// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include <utility>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/i18n/char_iterator.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "base/not_fatal_until.h"
#include "base/ranges/algorithm.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_offset_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/layers/texture_layer.h"
#include "content/common/content_constants_internal.h"
#include "content/public/common/content_constants.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/ppapi_gfx_conversion.h"
#include "content/renderer/pepper/event_conversion.h"
#include "content/renderer/pepper/host_dispatcher_wrapper.h"
#include "content/renderer/pepper/host_globals.h"
#include "content/renderer/pepper/message_channel.h"
#include "content/renderer/pepper/pepper_audio_controller.h"
#include "content/renderer/pepper/pepper_browser_connection.h"
#include "content/renderer/pepper/pepper_file_ref_renderer_host.h"
#include "content/renderer/pepper/pepper_graphics_2d_host.h"
#include "content/renderer/pepper/pepper_in_process_router.h"
#include "content/renderer/pepper/pepper_try_catch.h"
#include "content/renderer/pepper/pepper_url_loader_host.h"
#include "content/renderer/pepper/plugin_module.h"
#include "content/renderer/pepper/plugin_object.h"
#include "content/renderer/pepper/ppapi_preferences_builder.h"
#include "content/renderer/pepper/ppb_buffer_impl.h"
#include "content/renderer/pepper/ppb_graphics_3d_impl.h"
#include "content/renderer/pepper/ppb_image_data_impl.h"
#include "content/renderer/pepper/renderer_ppapi_host_impl.h"
#include "content/renderer/pepper/url_request_info_util.h"
#include "content/renderer/pepper/url_response_info_util.h"
#include "content/renderer/render_frame_impl.h"
#include "content/renderer/sad_plugin.h"
#include "device/gamepad/public/cpp/gamepads.h"
#include "ppapi/c/dev/ppp_text_input_dev.h"
#include "ppapi/c/pp_rect.h"
#include "ppapi/c/ppb_audio_config.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/c/ppb_gamepad.h"
#include "ppapi/c/ppp_input_event.h"
#include "ppapi/c/ppp_instance.h"
#include "ppapi/c/ppp_messaging.h"
#include "ppapi/c/ppp_mouse_lock.h"
#include "ppapi/c/private/ppp_instance_private.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_var.h"
#include "ppapi/proxy/uma_private_resource.h"
#include "ppapi/proxy/url_loader_resource.h"
#include "ppapi/shared_impl/ppapi_permissions.h"
#include "ppapi/shared_impl/ppb_gamepad_shared.h"
#include "ppapi/shared_impl/ppb_input_event_shared.h"
#include "ppapi/shared_impl/ppb_url_util_shared.h"
#include "ppapi/shared_impl/ppb_view_shared.h"
#include "ppapi/shared_impl/ppp_instance_combined.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/shared_impl/scoped_pp_resource.h"
#include "ppapi/shared_impl/scoped_pp_var.h"
#include "ppapi/shared_impl/time_conversion.h"
#include "ppapi/shared_impl/url_request_info_data.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_buffer_api.h"
#include "printing/buildflags/buildflags.h"
#include "printing/mojom/print.mojom.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/blink/public/common/input/web_coalesced_input_event.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/input/web_keyboard_event.h"
#include "third_party/blink/public/common/input/web_mouse_event.h"
#include "third_party/blink/public/common/input/web_pointer_event.h"
#include "third_party/blink/public/common/input/web_touch_event.h"
#include "third_party/blink/public/platform/url_conversion.h"
#include "third_party/blink/public/platform/web_security_origin.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/platform/web_url_error.h"
#include "third_party/blink/public/platform/web_url_request.h"
#include "third_party/blink/public/web/modules/media/audio/audio_device_factory.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_document_loader.h"
#include "third_party/blink/public/web/web_frame_widget.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_plugin_container.h"
#include "third_party/blink/public/web/web_plugin_script_forbidden_scope.h"
#include "third_party/blink/public/web/web_print_params.h"
#include "third_party/blink/public/web/web_script_source.h"
#include "third_party/blink/public/web/web_view.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/blink/blink_event_util.h"
#include "ui/events/keycodes/dom/dom_code.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_rep.h"
#include "ui/gfx/range/range.h"
#include "url/origin.h"
#include "v8/include/v8-context.h"
#include "v8/include/v8-object.h"
#if BUILDFLAG(ENABLE_PRINTING)
// nogncheck because dependency on //printing is conditional upon
// enable_printing flags.
#include "printing/metafile_skia.h" // nogncheck
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "ui/events/keycodes/keyboard_codes_posix.h"
#endif
// Windows defines 'PostMessage', so we have to undef it.
#ifdef PostMessage
#undef PostMessage
#endif
using base::StringPrintf;
using ppapi::InputEventData;
using ppapi::PpapiGlobals;
using ppapi::PPB_InputEvent_Shared;
using ppapi::PPB_View_Shared;
using ppapi::PPP_Instance_Combined;
using ppapi::Resource;
using ppapi::ScopedPPResource;
using ppapi::ScopedPPVar;
using ppapi::StringVar;
using ppapi::TrackedCallback;
using ppapi::thunk::EnterResourceNoLock;
using ppapi::thunk::PPB_Buffer_API;
using ppapi::thunk::PPB_Gamepad_API;
using ppapi::thunk::PPB_Graphics2D_API;
using ppapi::thunk::PPB_Graphics3D_API;
using ppapi::thunk::PPB_ImageData_API;
using ppapi::Var;
using ppapi::ArrayBufferVar;
using ppapi::ViewData;
using blink::WebDocument;
using blink::WebElement;
using blink::WebFrame;
using blink::WebInputEvent;
using blink::WebLocalFrame;
using blink::WebPlugin;
using blink::WebPluginContainer;
using blink::WebPrintParams;
using blink::WebString;
using blink::WebURLError;
using blink::WebAssociatedURLLoaderClient;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebView;
using blink::WebWidget;
namespace content {
namespace {
#ifndef STATIC_ASSERT_ENUM
#define STATIC_ASSERT_ENUM(a, b) \
static_assert(static_cast<int>(a) == static_cast<int>(b), \
"mismatching enums: " #a)
#endif
// Check PP_TextInput_Type and ui::TextInputType are kept in sync.
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_NONE, PP_TEXTINPUT_TYPE_NONE);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_TEXT, PP_TEXTINPUT_TYPE_TEXT);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_PASSWORD, PP_TEXTINPUT_TYPE_PASSWORD);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_SEARCH, PP_TEXTINPUT_TYPE_SEARCH);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_EMAIL, PP_TEXTINPUT_TYPE_EMAIL);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_NUMBER, PP_TEXTINPUT_TYPE_NUMBER);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_TELEPHONE, PP_TEXTINPUT_TYPE_TELEPHONE);
STATIC_ASSERT_ENUM(ui::TEXT_INPUT_TYPE_URL, PP_TEXTINPUT_TYPE_URL);
// The default text input type is to regard the plugin always accept text input.
// This is for allowing users to use input methods even on completely-IME-
// unaware plugins (e.g., PDF plugin for M16).
// Plugins need to explicitly opt out the text input mode if they know
// that they don't accept texts.
const ui::TextInputType kPluginDefaultTextInputType = ui::TEXT_INPUT_TYPE_TEXT;
// <embed>/<object> attributes.
const char kWidth[] = "width";
const char kHeight[] = "height";
const char kBorder[] = "border"; // According to w3c, deprecated.
const char kStyle[] = "style";
#define STATIC_ASSERT_MATCHING_ENUM(webkit_name, np_name) \
static_assert(static_cast<int>(ui::mojom::CursorType::webkit_name) == \
static_cast<int>(np_name), \
"mismatching enums: " #webkit_name)
STATIC_ASSERT_MATCHING_ENUM(kPointer, PP_MOUSECURSOR_TYPE_POINTER);
STATIC_ASSERT_MATCHING_ENUM(kCross, PP_MOUSECURSOR_TYPE_CROSS);
STATIC_ASSERT_MATCHING_ENUM(kHand, PP_MOUSECURSOR_TYPE_HAND);
STATIC_ASSERT_MATCHING_ENUM(kIBeam, PP_MOUSECURSOR_TYPE_IBEAM);
STATIC_ASSERT_MATCHING_ENUM(kWait, PP_MOUSECURSOR_TYPE_WAIT);
STATIC_ASSERT_MATCHING_ENUM(kHelp, PP_MOUSECURSOR_TYPE_HELP);
STATIC_ASSERT_MATCHING_ENUM(kEastResize, PP_MOUSECURSOR_TYPE_EASTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthResize, PP_MOUSECURSOR_TYPE_NORTHRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthEastResize,
PP_MOUSECURSOR_TYPE_NORTHEASTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthWestResize,
PP_MOUSECURSOR_TYPE_NORTHWESTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kSouthResize, PP_MOUSECURSOR_TYPE_SOUTHRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kSouthEastResize,
PP_MOUSECURSOR_TYPE_SOUTHEASTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kSouthWestResize,
PP_MOUSECURSOR_TYPE_SOUTHWESTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kWestResize, PP_MOUSECURSOR_TYPE_WESTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthSouthResize,
PP_MOUSECURSOR_TYPE_NORTHSOUTHRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kEastWestResize,
PP_MOUSECURSOR_TYPE_EASTWESTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthEastSouthWestResize,
PP_MOUSECURSOR_TYPE_NORTHEASTSOUTHWESTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kNorthWestSouthEastResize,
PP_MOUSECURSOR_TYPE_NORTHWESTSOUTHEASTRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kColumnResize, PP_MOUSECURSOR_TYPE_COLUMNRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kRowResize, PP_MOUSECURSOR_TYPE_ROWRESIZE);
STATIC_ASSERT_MATCHING_ENUM(kMiddlePanning, PP_MOUSECURSOR_TYPE_MIDDLEPANNING);
STATIC_ASSERT_MATCHING_ENUM(kEastPanning, PP_MOUSECURSOR_TYPE_EASTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kNorthPanning, PP_MOUSECURSOR_TYPE_NORTHPANNING);
STATIC_ASSERT_MATCHING_ENUM(kNorthEastPanning,
PP_MOUSECURSOR_TYPE_NORTHEASTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kNorthWestPanning,
PP_MOUSECURSOR_TYPE_NORTHWESTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kSouthPanning, PP_MOUSECURSOR_TYPE_SOUTHPANNING);
STATIC_ASSERT_MATCHING_ENUM(kSouthEastPanning,
PP_MOUSECURSOR_TYPE_SOUTHEASTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kSouthWestPanning,
PP_MOUSECURSOR_TYPE_SOUTHWESTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kWestPanning, PP_MOUSECURSOR_TYPE_WESTPANNING);
STATIC_ASSERT_MATCHING_ENUM(kMove, PP_MOUSECURSOR_TYPE_MOVE);
STATIC_ASSERT_MATCHING_ENUM(kVerticalText, PP_MOUSECURSOR_TYPE_VERTICALTEXT);
STATIC_ASSERT_MATCHING_ENUM(kCell, PP_MOUSECURSOR_TYPE_CELL);
STATIC_ASSERT_MATCHING_ENUM(kContextMenu, PP_MOUSECURSOR_TYPE_CONTEXTMENU);
STATIC_ASSERT_MATCHING_ENUM(kAlias, PP_MOUSECURSOR_TYPE_ALIAS);
STATIC_ASSERT_MATCHING_ENUM(kProgress, PP_MOUSECURSOR_TYPE_PROGRESS);
STATIC_ASSERT_MATCHING_ENUM(kNoDrop, PP_MOUSECURSOR_TYPE_NODROP);
STATIC_ASSERT_MATCHING_ENUM(kCopy, PP_MOUSECURSOR_TYPE_COPY);
STATIC_ASSERT_MATCHING_ENUM(kNone, PP_MOUSECURSOR_TYPE_NONE);
STATIC_ASSERT_MATCHING_ENUM(kNotAllowed, PP_MOUSECURSOR_TYPE_NOTALLOWED);
STATIC_ASSERT_MATCHING_ENUM(kZoomIn, PP_MOUSECURSOR_TYPE_ZOOMIN);
STATIC_ASSERT_MATCHING_ENUM(kZoomOut, PP_MOUSECURSOR_TYPE_ZOOMOUT);
STATIC_ASSERT_MATCHING_ENUM(kGrab, PP_MOUSECURSOR_TYPE_GRAB);
STATIC_ASSERT_MATCHING_ENUM(kGrabbing, PP_MOUSECURSOR_TYPE_GRABBING);
STATIC_ASSERT_MATCHING_ENUM(kMiddlePanningVertical,
PP_MOUSECURSOR_TYPE_MIDDLEPANNINGVERTICAL);
STATIC_ASSERT_MATCHING_ENUM(kMiddlePanningHorizontal,
PP_MOUSECURSOR_TYPE_MIDDLEPANNINGHORIZONTAL);
// Do not assert kCustom == PP_CURSORTYPE_CUSTOM;
// PP_CURSORTYPE_CUSTOM is pinned to allow new cursor types.
#undef STATIC_ASSERT_MATCHING_ENUM
STATIC_ASSERT_ENUM(printing::mojom::PrintScalingOption::kNone,
PP_PRINTSCALINGOPTION_NONE);
STATIC_ASSERT_ENUM(printing::mojom::PrintScalingOption::kFitToPrintableArea,
PP_PRINTSCALINGOPTION_FIT_TO_PRINTABLE_AREA);
STATIC_ASSERT_ENUM(printing::mojom::PrintScalingOption::kSourceSize,
PP_PRINTSCALINGOPTION_SOURCE_SIZE);
STATIC_ASSERT_ENUM(printing::mojom::PrintScalingOption::kFitToPaper,
PP_PRINTSCALINGOPTION_FIT_TO_PAPER);
#undef STATIC_ASSERT_ENUM
// Sets |*security_origin| to be the WebKit security origin associated with the
// document containing the given plugin instance. On success, returns true. If
// the instance is invalid, returns false and |*security_origin| will be
// unchanged.
bool SecurityOriginForInstance(PP_Instance instance_id,
blink::WebSecurityOrigin* security_origin) {
PepperPluginInstanceImpl* instance =
HostGlobals::Get()->GetInstance(instance_id);
if (!instance)
return false;
*security_origin = instance->container()->GetDocument().GetSecurityOrigin();
return true;
}
// Convert the given vector to an array of C-strings. The strings in the
// returned vector are only guaranteed valid so long as the vector of strings
// is not modified.
std::unique_ptr<const char* []> StringVectorToArgArray(
const std::vector<std::string>& vector) {
auto array = std::make_unique<const char* []>(vector.size());
for (size_t i = 0; i < vector.size(); ++i)
array[i] = vector[i].c_str();
return array;
}
// Returns true if this is a "system reserved" key which should not be sent to
// a plugin. Some poorly behaving plugins incorrectly report that they handle
// all keys sent to them. This can prevent keystrokes from working for things
// like screen brightness and volume control.
bool IsReservedSystemInputEvent(const blink::WebInputEvent& event) {
#if BUILDFLAG(IS_CHROMEOS)
if (event.GetType() != WebInputEvent::Type::kKeyDown &&
event.GetType() != WebInputEvent::Type::kKeyUp)
return false;
const blink::WebKeyboardEvent& key_event =
static_cast<const blink::WebKeyboardEvent&>(event);
switch (key_event.windows_key_code) {
case ui::VKEY_BRIGHTNESS_DOWN:
case ui::VKEY_BRIGHTNESS_UP:
case ui::VKEY_KBD_BRIGHTNESS_DOWN:
case ui::VKEY_KBD_BRIGHTNESS_UP:
case ui::VKEY_VOLUME_MUTE:
case ui::VKEY_VOLUME_DOWN:
case ui::VKEY_VOLUME_UP:
return true;
default:
return false;
}
#else
return false;
#endif // BUILDFLAG(IS_CHROMEOS)
}
void PrintPDFOutput(PP_Resource print_output,
printing::MetafileSkia* metafile) {
#if BUILDFLAG(ENABLE_PRINTING)
DCHECK(metafile);
ppapi::thunk::EnterResourceNoLock<PPB_Buffer_API> enter(print_output, true);
if (enter.failed())
return;
BufferAutoMapper mapper(enter.object());
if (!mapper.data() || !mapper.size()) {
NOTREACHED_IN_MIGRATION();
return;
}
metafile->InitFromData(mapper);
#endif // BUILDFLAG(ENABLE_PRINTING)
}
// Stolen from //printing/units.{cc,h}
// Length of an inch in CSS's 1pt unit.
// http://dev.w3.org/csswg/css3-values/#absolute-length-units-cm-mm.-in-pt-pc
constexpr int kPointsPerInch = 72;
// Length of an inch in CSS's 1px unit.
// http://dev.w3.org/csswg/css3-values/#the-px-unit
constexpr int kPixelsPerInch = 96;
float ConvertUnitFloat(float value, float old_unit, float new_unit) {
CHECK_GT(new_unit, 0);
CHECK_GT(old_unit, 0);
return value * new_unit / old_unit;
}
PP_Rect CSSPixelsToPoints(const gfx::RectF& rect) {
const gfx::Rect points_rect = gfx::ToEnclosedRect(gfx::RectF(
ConvertUnitFloat(rect.x(), kPixelsPerInch, kPointsPerInch),
ConvertUnitFloat(rect.y(), kPixelsPerInch, kPointsPerInch),
ConvertUnitFloat(rect.width(), kPixelsPerInch, kPointsPerInch),
ConvertUnitFloat(rect.height(), kPixelsPerInch, kPointsPerInch)));
return PP_MakeRectFromXYWH(points_rect.x(), points_rect.y(),
points_rect.width(), points_rect.height());
}
PP_Size CSSPixelsToPoints(const gfx::SizeF& size) {
const gfx::Size points_size = gfx::ToFlooredSize(gfx::SizeF(
ConvertUnitFloat(size.width(), kPixelsPerInch, kPointsPerInch),
ConvertUnitFloat(size.height(), kPixelsPerInch, kPointsPerInch)));
return PP_MakeSize(points_size.width(), points_size.height());
}
} // namespace
// static
PepperPluginInstanceImpl* PepperPluginInstanceImpl::Create(
RenderFrameImpl* render_frame,
PluginModule* module,
WebPluginContainer* container,
const GURL& plugin_url,
v8::Isolate* isolate) {
base::RepeatingCallback<const void*(const char*)> get_plugin_interface_func =
base::BindRepeating(&PluginModule::GetPluginInterface, module);
PPP_Instance_Combined* ppp_instance_combined =
PPP_Instance_Combined::Create(std::move(get_plugin_interface_func));
if (!ppp_instance_combined)
return nullptr;
return new PepperPluginInstanceImpl(render_frame, module,
ppp_instance_combined, container,
plugin_url, isolate);
}
// static
PepperPluginInstance* PepperPluginInstance::Get(PP_Instance instance_id) {
PepperPluginInstanceImpl* instance =
PepperPluginInstanceImpl::GetForTesting(instance_id);
if (instance && !instance->is_deleted())
return instance;
return nullptr;
}
// static
PepperPluginInstanceImpl* PepperPluginInstanceImpl::GetForTesting(
PP_Instance instance_id) {
PepperPluginInstanceImpl* instance =
HostGlobals::Get()->GetInstance(instance_id);
return instance;
}
PepperPluginInstanceImpl::ExternalDocumentLoader::ExternalDocumentLoader()
: finished_loading_(false) {}
PepperPluginInstanceImpl::ExternalDocumentLoader::~ExternalDocumentLoader() {}
void PepperPluginInstanceImpl::ExternalDocumentLoader::ReplayReceivedData(
WebAssociatedURLLoaderClient* document_loader) {
for (auto it = data_.begin(); it != data_.end(); ++it) {
document_loader->DidReceiveData(it->c_str(), it->length());
}
if (finished_loading_) {
document_loader->DidFinishLoading();
} else if (error_.get()) {
DCHECK(!finished_loading_);
document_loader->DidFail(*error_);
}
}
void PepperPluginInstanceImpl::ExternalDocumentLoader::DidReceiveData(
const char* data,
int data_length) {
data_.push_back(std::string(data, data_length));
}
void PepperPluginInstanceImpl::ExternalDocumentLoader::DidFinishLoading() {
DCHECK(!finished_loading_);
if (error_.get())
return;
finished_loading_ = true;
}
void PepperPluginInstanceImpl::ExternalDocumentLoader::DidFail(
const WebURLError& error) {
DCHECK(!error_.get());
if (finished_loading_)
return;
error_ = std::make_unique<WebURLError>(error);
}
PepperPluginInstanceImpl::GamepadImpl::GamepadImpl()
: Resource(ppapi::Resource::Untracked()) {}
PepperPluginInstanceImpl::GamepadImpl::~GamepadImpl() {}
PPB_Gamepad_API* PepperPluginInstanceImpl::GamepadImpl::AsPPB_Gamepad_API() {
return this;
}
void PepperPluginInstanceImpl::GamepadImpl::Sample(
PP_Instance instance,
PP_GamepadsSampleData* data) {
// This gamepad singleton resource method should not be called
NOTREACHED_IN_MIGRATION();
}
PepperPluginInstanceImpl::PepperPluginInstanceImpl(
RenderFrameImpl* render_frame,
PluginModule* module,
ppapi::PPP_Instance_Combined* instance_interface,
WebPluginContainer* container,
const GURL& plugin_url,
v8::Isolate* isolate)
: RenderFrameObserver(render_frame),
render_frame_(render_frame),
module_(module),
instance_interface_(instance_interface),
pp_instance_(0),
graphics2d_translation_(0, 0),
graphics2d_scale_(1.f),
container_(container),
layer_is_hardware_(false),
plugin_url_(plugin_url),
document_url_(container ? GURL(container->GetDocument().Url()) : GURL()),
has_been_clicked_(false),
full_frame_(false),
viewport_to_dip_scale_(1.0f),
sent_initial_did_change_view_(false),
bound_graphics_2d_platform_(nullptr),
has_webkit_focus_(false),
find_identifier_(-1),
plugin_input_event_interface_(nullptr),
plugin_mouse_lock_interface_(nullptr),
plugin_private_interface_(nullptr),
plugin_textinput_interface_(nullptr),
checked_for_plugin_input_event_interface_(false),
metafile_(nullptr),
gamepad_impl_(new GamepadImpl()),
uma_private_impl_(nullptr),
plugin_print_interface_(nullptr),
always_on_top_(false),
desired_fullscreen_state_(false),
message_channel_(nullptr),
input_event_mask_(0),
filtered_input_event_mask_(0),
text_input_type_(kPluginDefaultTextInputType),
selection_caret_(0),
selection_anchor_(0),
document_loader_(nullptr),
external_document_load_(false),
isolate_(isolate),
is_deleted_(false),
initialized_(false),
created_in_process_instance_(false),
audio_controller_(std::make_unique<PepperAudioController>(this)) {
pp_instance_ = HostGlobals::Get()->AddInstance(this);
memset(¤t_print_settings_, 0, sizeof(current_print_settings_));
module_->InstanceCreated(this);
if (render_frame_) { // NULL in tests or if the frame has been destroyed.
render_frame_->PepperInstanceCreated(
this, pepper_receiver_.BindNewEndpointAndPassRemote(),
pepper_host_remote_.BindNewEndpointAndPassReceiver());
view_data_.is_page_visible =
!render_frame_->GetLocalRootWebFrameWidget()->IsHidden();
if (!module_->IsProxied()) {
created_in_process_instance_ = true;
PepperBrowserConnection* browser_connection =
PepperBrowserConnection::Get(render_frame_);
browser_connection->DidCreateInProcessInstance(
pp_instance(),
render_frame_->GetRoutingID(),
document_url_,
GetPluginURL());
}
}
RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
resource_creation_ = host_impl->CreateInProcessResourceCreationAPI(this);
if (GetContentClient()->renderer() && // NULL in unit tests.
GetContentClient()->renderer()->IsExternalPepperPlugin(module->name()))
external_document_load_ = true;
}
PepperPluginInstanceImpl::~PepperPluginInstanceImpl() {
// Notify all the plugin objects of deletion. This will prevent blink from
// calling into the plugin any more.
//
// Swap out the set so we can delete from it (the objects will try to
// unregister themselves inside the delete call).
PluginObjectSet plugin_object_copy;
live_plugin_objects_.swap(plugin_object_copy);
for (auto i = plugin_object_copy.begin(); i != plugin_object_copy.end();
++i) {
(*i)->InstanceDeleted();
}
if (message_channel_)
message_channel_->InstanceDeleted();
message_channel_object_.Reset();
if (TrackedCallback::IsPending(lock_mouse_callback_))
lock_mouse_callback_->Abort();
audio_controller_->OnPepperInstanceDeleted();
if (render_frame_)
render_frame_->PepperInstanceDeleted(this);
if (created_in_process_instance_) {
PepperBrowserConnection* browser_connection =
PepperBrowserConnection::Get(render_frame_);
browser_connection->DidDeleteInProcessInstance(pp_instance());
}
module_->InstanceDeleted(this);
// If we switched from the NaCl plugin module, notify it too.
if (original_module_.get())
original_module_->InstanceDeleted(this);
// This should be last since some of the above "instance deleted" calls will
// want to look up in the global map to get info off of our object.
HostGlobals::Get()->InstanceDeleted(pp_instance_);
}
// NOTE: Any of these methods that calls into the plugin needs to take into
// account that the plugin may use Var to remove the <embed> from the DOM, which
// will make the PepperWebPluginImpl drop its reference, usually the last one.
// If a method needs to access a member of the instance after the call has
// returned, then it needs to keep its own reference on the stack.
v8::Local<v8::Object> PepperPluginInstanceImpl::GetMessageChannelObject() {
return v8::Local<v8::Object>::New(isolate_, message_channel_object_);
}
void PepperPluginInstanceImpl::MessageChannelDestroyed() {
message_channel_ = nullptr;
message_channel_object_.Reset();
}
v8::Local<v8::Context> PepperPluginInstanceImpl::GetMainWorldContext() {
if (!container_)
return v8::Local<v8::Context>();
WebLocalFrame* frame = container_->GetDocument().GetFrame();
if (!frame)
return v8::Local<v8::Context>();
v8::Local<v8::Context> context = frame->MainWorldScriptContext();
DCHECK(context->GetIsolate() == isolate_);
return context;
}
void PepperPluginInstanceImpl::Delete() {
is_deleted_ = true;
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
// Force the MessageChannel to release its "passthrough object" which should
// release our last reference to the "InstanceObject" and will probably
// destroy it. We want to do this prior to calling DidDestroy in case the
// destructor of the instance object tries to use the instance.
if (message_channel_)
message_channel_->SetPassthroughObject(v8::Local<v8::Object>());
// If this is a NaCl plugin instance, shut down the NaCl plugin by calling
// its DidDestroy. Don't call DidDestroy on the untrusted plugin instance,
// since there is little that it can do at this point.
if (original_instance_interface_) {
base::TimeTicks start = base::TimeTicks::Now();
original_instance_interface_->DidDestroy(pp_instance());
UMA_HISTOGRAM_CUSTOM_TIMES("NaCl.Perf.ShutdownTime.Total",
base::TimeTicks::Now() - start,
base::Milliseconds(1), base::Seconds(20), 100);
} else {
instance_interface_->DidDestroy(pp_instance());
}
// Ensure we don't attempt to call functions on the destroyed instance.
original_instance_interface_.reset();
instance_interface_.reset();
// Force-unbind any Graphics. In the case of Graphics2D, if the plugin
// leaks the graphics 2D, it may actually get cleaned up after our
// destruction, so we need its pointers to be up to date.
BindGraphics(pp_instance(), 0);
container_ = nullptr;
}
bool PepperPluginInstanceImpl::is_deleted() const { return is_deleted_; }
void PepperPluginInstanceImpl::Paint(cc::PaintCanvas* canvas,
const gfx::Rect& plugin_rect,
const gfx::Rect& paint_rect) {
TRACE_EVENT0("ppapi", "PluginInstance::Paint");
if (module()->is_crashed()) {
// Crashed plugin painting.
if (!sad_plugin_image_) { // Lazily initialize bitmap.
if (SkBitmap* bitmap =
GetContentClient()->renderer()->GetSadPluginBitmap()) {
DCHECK(bitmap->isImmutable());
sad_plugin_image_ = cc::PaintImage::CreateFromBitmap(*bitmap);
}
}
if (sad_plugin_image_)
PaintSadPlugin(canvas, plugin_rect, sad_plugin_image_);
return;
}
if (bound_graphics_2d_platform_)
bound_graphics_2d_platform_->Paint(canvas, plugin_rect, paint_rect);
}
void PepperPluginInstanceImpl::InvalidateRect(const gfx::Rect& rect) {
if (!container_ || view_data_.rect.size.width == 0 ||
view_data_.rect.size.height == 0)
return; // Nothing to do.
if (texture_layer_) {
if (rect.IsEmpty()) {
texture_layer_->SetNeedsDisplay();
} else {
texture_layer_->SetNeedsDisplayRect(rect);
}
} else {
container_->Invalidate();
}
}
void PepperPluginInstanceImpl::CommitTransferableResource(
const viz::TransferableResource& resource) {
if (!committed_texture_.is_empty() && !IsTextureInUse(committed_texture_)) {
committed_texture_graphics_3d_->ReturnFrontBuffer(
committed_texture_.mailbox(), committed_texture_consumed_sync_token_,
false);
}
committed_texture_ = resource;
committed_texture_graphics_3d_ = bound_graphics_3d_;
committed_texture_consumed_sync_token_ = gpu::SyncToken();
if (!texture_layer_) {
UpdateLayer(true);
return;
}
PassCommittedTextureToTextureLayer();
texture_layer_->SetNeedsDisplay();
}
void PepperPluginInstanceImpl::PassCommittedTextureToTextureLayer() {
DCHECK(bound_graphics_3d_);
if (committed_texture_.is_empty()) {
return;
}
viz::ReleaseCallback callback(base::BindOnce(
&PepperPluginInstanceImpl::FinishedConsumingCommittedTexture,
weak_factory_.GetWeakPtr(), committed_texture_,
committed_texture_graphics_3d_));
IncrementTextureReferenceCount(committed_texture_);
texture_layer_->SetTransferableResource(committed_texture_,
std::move(callback));
}
void PepperPluginInstanceImpl::FinishedConsumingCommittedTexture(
const viz::TransferableResource& resource,
scoped_refptr<PPB_Graphics3D_Impl> graphics_3d,
const gpu::SyncToken& sync_token,
bool is_lost) {
bool removed = DecrementTextureReferenceCount(resource);
bool is_committed_texture =
committed_texture_.mailbox() == resource.mailbox();
if (is_committed_texture && !is_lost) {
committed_texture_consumed_sync_token_ = sync_token;
return;
}
if (removed && !is_committed_texture) {
graphics_3d->ReturnFrontBuffer(resource.mailbox(), sync_token, is_lost);
}
}
void PepperPluginInstanceImpl::InstanceCrashed() {
// Force free all resources and vars.
HostGlobals::Get()->InstanceCrashed(pp_instance());
// Free any associated graphics.
SetFullscreen(false);
// Unbind current 2D or 3D graphics context.
BindGraphics(pp_instance(), 0);
InvalidateRect(gfx::Rect());
if (auto* host = GetPepperPluginInstanceHost())
host->InstanceCrashed(module_->path(), module_->GetPeerProcessId());
}
bool PepperPluginInstanceImpl::Initialize(
const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values,
bool full_frame) {
if (!render_frame_)
return false;
message_channel_ = MessageChannel::Create(this, &message_channel_object_);
DCHECK(message_channel_);
full_frame_ = full_frame;
UpdateTouchEventRequest();
UpdateWheelEventRequest();
argn_ = arg_names;
argv_ = arg_values;
std::unique_ptr<const char* []> argn_array(StringVectorToArgArray(argn_));
std::unique_ptr<const char* []> argv_array(StringVectorToArgArray(argv_));
auto weak_this = weak_factory_.GetWeakPtr();
bool success = PP_ToBool(instance_interface_->DidCreate(
pp_instance(), argn_.size(), argn_array.get(), argv_array.get()));
if (!weak_this) {
// The plugin may do synchronous scripting during "DidCreate", so |this|
// may be deleted. In that case, return failure and don't touch any
// member variables.
return false;
}
// If this is a plugin that hosts external plugins, we should delay messages
// so that the child plugin that's created later will receive all the
// messages. (E.g., NaCl trusted plugin starting a child NaCl app.)
//
// A host for external plugins will call ResetAsProxied later, at which point
// we can Start() the MessageChannel.
if (success && !module_->renderer_ppapi_host()->IsExternalPluginHost())
message_channel_->Start();
initialized_ = success;
return success;
}
bool PepperPluginInstanceImpl::HandleDocumentLoad(
const blink::WebURLResponse& response) {
DCHECK(!document_loader_);
if (external_document_load_) {
// The external proxy isn't available, so save the response and record
// document load notifications for later replay.
external_document_response_ = response;
external_document_loader_ = std::make_unique<ExternalDocumentLoader>();
document_loader_ = external_document_loader_.get();
return true;
}
if (module()->is_crashed() || !render_frame_) {
// Don't create a resource for a crashed plugin.
container()->GetDocument().GetFrame()->DeprecatedStopLoading();
return false;
}
DCHECK(!document_loader_);
// Create a loader resource host for this load. Note that we have to set
// the document_loader before issuing the in-process
// PPP_Instance.HandleDocumentLoad call below, since this may reentrantly
// call into the instance and expect it to be valid.
RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
auto loader_host =
std::make_unique<PepperURLLoaderHost>(host_impl, true, pp_instance(), 0);
// TODO(teravest): Remove set_document_loader() from instance and clean up
// this relationship.
set_document_loader(loader_host.get());
loader_host->DidReceiveResponse(response);
// This host will be pending until the resource object attaches to it.
int pending_host_id = host_impl->GetPpapiHost()->AddPendingResourceHost(
std::unique_ptr<ppapi::host::ResourceHost>(std::move(loader_host)));
DCHECK(pending_host_id);
render_frame()
->GetTaskRunner(blink::TaskType::kInternalLoading)
->PostTask(
FROM_HERE,
base::BindOnce(&PepperPluginInstanceImpl::DidDataFromWebURLResponse,
weak_factory_.GetWeakPtr(), response, pending_host_id,
DataFromWebURLResponse(response)));
// If the load was not abandoned, document_loader_ will now be set. It's
// possible that the load was canceled by now and document_loader_ was
// already nulled out.
return true;
}
bool PepperPluginInstanceImpl::SendCompositionEventToPlugin(
PP_InputEvent_Type type,
const std::u16string& text) {
std::vector<ui::ImeTextSpan> empty;
return SendCompositionEventWithImeTextSpanInformationToPlugin(
type, text, empty, static_cast<int>(text.size()),
static_cast<int>(text.size()));
}
bool PepperPluginInstanceImpl::
SendCompositionEventWithImeTextSpanInformationToPlugin(
PP_InputEvent_Type type,
const std::u16string& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
int selection_start,
int selection_end) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
if (!LoadInputEventInterface())
return false;
PP_InputEvent_Class event_class = PP_INPUTEVENT_CLASS_IME;
if (!(filtered_input_event_mask_ & event_class) &&
!(input_event_mask_ & event_class))
return false;
ppapi::InputEventData event;
event.event_type = type;
event.event_time_stamp =
ppapi::TimeTicksToPPTimeTicks(base::TimeTicks::Now());
// Convert UTF16 text to UTF8 with offset conversion.
std::vector<size_t> utf16_offsets;
utf16_offsets.push_back(selection_start);
utf16_offsets.push_back(selection_end);
for (size_t i = 0; i < ime_text_spans.size(); ++i) {
utf16_offsets.push_back(ime_text_spans[i].start_offset);
utf16_offsets.push_back(ime_text_spans[i].end_offset);
}
std::vector<size_t> utf8_offsets(utf16_offsets);
event.character_text = base::UTF16ToUTF8AndAdjustOffsets(text, &utf8_offsets);
// Set the converted selection range.
event.composition_selection_start =
(utf8_offsets[0] == std::string::npos ? event.character_text.size()
: utf8_offsets[0]);
event.composition_selection_end =
(utf8_offsets[1] == std::string::npos ? event.character_text.size()
: utf8_offsets[1]);
// Set the converted segmentation points.
// Be sure to add 0 and size(), and remove duplication or errors.
std::set<size_t> offset_set(utf8_offsets.begin() + 2, utf8_offsets.end());
offset_set.insert(0);
offset_set.insert(event.character_text.size());
offset_set.erase(std::string::npos);
event.composition_segment_offsets.assign(offset_set.begin(),
offset_set.end());
// Set the composition target.
for (size_t i = 0; i < ime_text_spans.size(); ++i) {
if (ime_text_spans[i].thickness == ui::ImeTextSpan::Thickness::kThick) {
auto it = base::ranges::find(event.composition_segment_offsets,
utf8_offsets[2 * i + 2]);
if (it != event.composition_segment_offsets.end()) {
event.composition_target_segment =
it - event.composition_segment_offsets.begin();
break;
}
}
}
// Send the event.
bool handled = false;
if (filtered_input_event_mask_ & event_class)
event.is_filtered = true;
else
handled = true; // Unfiltered events are assumed to be handled.
scoped_refptr<PPB_InputEvent_Shared> event_resource(
new PPB_InputEvent_Shared(ppapi::OBJECT_IS_IMPL, pp_instance(), event));
handled |= PP_ToBool(plugin_input_event_interface_->HandleInputEvent(
pp_instance(), event_resource->pp_resource()));
return handled;
}
void PepperPluginInstanceImpl::RequestInputEventsHelper(
uint32_t event_classes) {
if (event_classes & PP_INPUTEVENT_CLASS_TOUCH)
UpdateTouchEventRequest();
if (event_classes & PP_INPUTEVENT_CLASS_WHEEL)
UpdateWheelEventRequest();
}
bool PepperPluginInstanceImpl::HandleCompositionStart(
const std::u16string& text) {
return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_COMPOSITION_START,
text);
}
bool PepperPluginInstanceImpl::HandleCompositionUpdate(
const std::u16string& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
int selection_start,
int selection_end) {
return SendCompositionEventWithImeTextSpanInformationToPlugin(
PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE, text, ime_text_spans,
selection_start, selection_end);
}
bool PepperPluginInstanceImpl::HandleCompositionEnd(
const std::u16string& text) {
return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_COMPOSITION_END,
text);
}
bool PepperPluginInstanceImpl::HandleTextInput(const std::u16string& text) {
return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_TEXT, text);
}
void PepperPluginInstanceImpl::GetSurroundingText(std::u16string* text,
gfx::Range* range) const {
std::vector<size_t> offsets;
offsets.push_back(selection_anchor_);
offsets.push_back(selection_caret_);
*text = base::UTF8ToUTF16AndAdjustOffsets(surrounding_text_, &offsets);
range->set_start(offsets[0] == std::u16string::npos ? text->size()
: offsets[0]);
range->set_end(offsets[1] == std::u16string::npos ? text->size()
: offsets[1]);
}
bool PepperPluginInstanceImpl::IsPluginAcceptingCompositionEvents() const {
return (filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_IME) ||
(input_event_mask_ & PP_INPUTEVENT_CLASS_IME);
}
gfx::Rect PepperPluginInstanceImpl::GetCaretBounds() const {
if (!text_input_caret_info_) {
// If it is never set by the plugin, use the bottom left corner.
gfx::Rect rect(view_data_.rect.point.x,
view_data_.rect.point.y + view_data_.rect.size.height,
0, 0);
ConvertDIPToViewport(&rect);
return rect;
}
// TODO(kinaba) Take CSS transformation into account.
gfx::Rect caret = text_input_caret_info_->caret;
caret.Offset(view_data_.rect.point.x, view_data_.rect.point.y);
ConvertDIPToViewport(&caret);
return caret;
}
bool PepperPluginInstanceImpl::HandleCoalescedInputEvent(
const blink::WebCoalescedInputEvent& event,
ui::Cursor* cursor) {
if (blink::WebInputEvent::IsTouchEventType(event.Event().GetType()) &&
((filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH) ||
(input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH))) {
bool result = false;
for (size_t i = 0; i < event.CoalescedEventSize(); ++i) {
result |= HandleInputEvent(event.CoalescedEvent(i), cursor);
}
return result;
}
return HandleInputEvent(event.Event(), cursor);
}
bool PepperPluginInstanceImpl::HandleInputEvent(
const blink::WebInputEvent& event,
ui::Cursor* cursor) {
TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::HandleInputEvent");
if (!render_frame_)
return false;
// Don't dispatch input events to crashed plugins.
if (module()->is_crashed())
return false;
// Don't send reserved system key events to plugins.
if (IsReservedSystemInputEvent(event))
return false;
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
bool rv = false;
if (LoadInputEventInterface()) {
PP_InputEvent_Class event_class = ClassifyInputEvent(event);
if (!event_class)
return false;
if ((filtered_input_event_mask_ & event_class) ||
(input_event_mask_ & event_class)) {
// Actually send the event.
std::vector<ppapi::InputEventData> events;
std::unique_ptr<const WebInputEvent> event_in_dip(
ui::ScaleWebInputEvent(event, viewport_to_dip_scale_));
if (event_in_dip)
CreateInputEventData(*event_in_dip.get(), &events);
else
CreateInputEventData(event, &events);
// Each input event may generate more than one PP_InputEvent.
for (size_t i = 0; i < events.size(); i++) {
if (filtered_input_event_mask_ & event_class)
events[i].is_filtered = true;
else
rv = true; // Unfiltered events are assumed to be handled.
scoped_refptr<PPB_InputEvent_Shared> event_resource(
new PPB_InputEvent_Shared(
ppapi::OBJECT_IS_IMPL, pp_instance(), events[i]));
rv |= PP_ToBool(plugin_input_event_interface_->HandleInputEvent(
pp_instance(), event_resource->pp_resource()));
}
}
}
if (cursor_)
*cursor = *cursor_;
return rv;
}
void PepperPluginInstanceImpl::HandleMessage(ScopedPPVar message) {
TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::HandleMessage");
if (is_deleted_)
return;
ppapi::proxy::HostDispatcher* dispatcher =
ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
if (!dispatcher || (message.get().type == PP_VARTYPE_OBJECT)) {
// The dispatcher should always be valid, and MessageChannel should never
// send an 'object' var over PPP_Messaging.
NOTREACHED_IN_MIGRATION();
return;
}
dispatcher->Send(new PpapiMsg_PPPMessaging_HandleMessage(
ppapi::API_ID_PPP_MESSAGING,
pp_instance(),
ppapi::proxy::SerializedVarSendInputShmem(dispatcher, message.get(),
pp_instance())));
}
bool PepperPluginInstanceImpl::HandleBlockingMessage(ScopedPPVar message,
ScopedPPVar* result) {
TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::HandleBlockingMessage");
if (is_deleted_)
return false;
ppapi::proxy::HostDispatcher* dispatcher =
ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
if (!dispatcher || (message.get().type == PP_VARTYPE_OBJECT)) {
// The dispatcher should always be valid, and MessageChannel should never
// send an 'object' var over PPP_Messaging.
NOTREACHED_IN_MIGRATION();
return false;
}
ppapi::proxy::ReceiveSerializedVarReturnValue msg_reply;
bool was_handled = false;
dispatcher->Send(new PpapiMsg_PPPMessageHandler_HandleBlockingMessage(
ppapi::API_ID_PPP_MESSAGING,
pp_instance(),
ppapi::proxy::SerializedVarSendInputShmem(dispatcher, message.get(),
pp_instance()),
&msg_reply,
&was_handled));
*result = ScopedPPVar(ScopedPPVar::PassRef(), msg_reply.Return(dispatcher));
TRACE_EVENT0("ppapi",
"PepperPluginInstanceImpl::HandleBlockingMessage return.");
return was_handled;
}
PP_Var PepperPluginInstanceImpl::GetInstanceObject(v8::Isolate* isolate) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
DCHECK_EQ(isolate, isolate_);
// If the plugin supports the private instance interface, try to retrieve its
// instance object.
if (LoadPrivateInterface())
return plugin_private_interface_->GetInstanceObject(pp_instance());
return PP_MakeUndefined();
}
void PepperPluginInstanceImpl::ViewChanged(
const gfx::Rect& window,
const gfx::Rect& clip,
const gfx::Rect& unobscured) {
if (!render_frame_)
return;
// WebKit can give weird (x,y) positions for empty clip rects (since the
// position technically doesn't matter). But we want to make these
// consistent since this is given to the plugin, so force everything to 0
// in the "everything is clipped" case.
gfx::Rect new_clip;
if (!clip.IsEmpty())
new_clip = clip;
unobscured_rect_ = unobscured;
view_data_.rect = PP_FromGfxRect(window);
view_data_.clip_rect = PP_FromGfxRect(new_clip);
// TODO(chrishtr): remove device_scale
view_data_.device_scale = 1;
view_data_.css_scale =
container_->LayoutZoomFactor() * container_->PageScaleFactor();
WebWidget* widget = render_frame()->GetLocalRootWebFrameWidget();
viewport_to_dip_scale_ =
1.0f / widget->GetOriginalScreenInfo().device_scale_factor;
ConvertRectToDIP(&view_data_.rect);
ConvertRectToDIP(&view_data_.clip_rect);
view_data_.css_scale *= viewport_to_dip_scale_;
view_data_.device_scale /= viewport_to_dip_scale_;
gfx::PointF scroll_offset =
container_->GetDocument().GetFrame()->GetScrollOffset();
scroll_offset.Scale(viewport_to_dip_scale_);
gfx::Point floored_scroll_offset = gfx::ToFlooredPoint(scroll_offset);
view_data_.scroll_offset =
PP_MakePoint(floored_scroll_offset.x(), floored_scroll_offset.y());
// The view size may have changed and we might need to update
// our registration of event listeners.
UpdateTouchEventRequest();
UpdateWheelEventRequest();
if (desired_fullscreen_state_ || view_data_.is_fullscreen) {
bool is_fullscreen_element = container_->IsFullscreenElement();
if (!view_data_.is_fullscreen && desired_fullscreen_state_ &&
is_fullscreen_element) {
// Entered fullscreen. Only possible via SetFullscreen().
view_data_.is_fullscreen = true;
} else if (view_data_.is_fullscreen && !is_fullscreen_element) {
// Exited fullscreen. Possible via SetFullscreen() or F11/link,
// so desired_fullscreen_state might be out-of-date.
desired_fullscreen_state_ = false;
view_data_.is_fullscreen = false;
// This operation will cause the plugin to re-layout which will send more
// DidChangeView updates. Schedule an asynchronous update and suppress
// notifications until that completes to avoid sending intermediate sizes
// to the plugins.
ScheduleAsyncDidChangeView();
// Reset the size attributes that we hacked to fill in the screen and
// retrigger ViewChanged. Make sure we don't forward duplicates of
// this view to the plugin.
ResetSizeAttributesAfterFullscreen();
return;
}
}
// During plugin initialization, there are often re-layouts. Avoid sending
// intermediate sizes the plugin.
if (sent_initial_did_change_view_)
SendDidChangeView();
else
ScheduleAsyncDidChangeView();
}
void PepperPluginInstanceImpl::SetWebKitFocus(bool has_focus) {
if (has_webkit_focus_ == has_focus)
return;
bool old_plugin_focus = PluginHasFocus();
has_webkit_focus_ = has_focus;
if (PluginHasFocus() != old_plugin_focus)
SendFocusChangeNotification();
}
void PepperPluginInstanceImpl::PageVisibilityChanged(bool is_visible) {
if (is_visible == view_data_.is_page_visible)
return; // Nothing to do.
view_data_.is_page_visible = is_visible;
// If the initial DidChangeView notification hasn't been sent to the plugin,
// let it pass the visibility state for us, instead of sending a notification
// immediately. It is possible that PepperPluginInstanceImpl::ViewChanged()
// hasn't been called for the first time. In that case, most of the fields in
// |view_data_| haven't been properly initialized.
if (sent_initial_did_change_view_)
SendDidChangeView();
}
void PepperPluginInstanceImpl::ViewInitiatedPaint() {
if (bound_graphics_2d_platform_)
bound_graphics_2d_platform_->ViewInitiatedPaint();
else if (bound_graphics_3d_.get())
bound_graphics_3d_->ViewInitiatedPaint();
}
void PepperPluginInstanceImpl::SetSelectedText(
const std::u16string& selected_text) {
if (!render_frame_)
return;
selected_text_ = selected_text;
gfx::Range range(0, selected_text.length());
render_frame_->SetSelectedText(selected_text, 0, range);
}
void PepperPluginInstanceImpl::SetLinkUnderCursor(const std::string& url) {
link_under_cursor_ = base::UTF8ToUTF16(url);
}
void PepperPluginInstanceImpl::SetTextInputType(ui::TextInputType type) {
if (!render_frame_)
return;
text_input_type_ = type;
render_frame_->PepperTextInputTypeChanged(this);
}
void PepperPluginInstanceImpl::PostMessageToJavaScript(PP_Var message) {
if (message_channel_)
message_channel_->PostMessageToJavaScript(message);
}
int32_t PepperPluginInstanceImpl::RegisterMessageHandler(
PP_Instance instance,
void* user_data,
const PPP_MessageHandler_0_2* handler,
PP_Resource message_loop) {
// Not supported in-process.
NOTIMPLEMENTED();
return PP_ERROR_FAILED;
}
void PepperPluginInstanceImpl::UnregisterMessageHandler(PP_Instance instance) {
// Not supported in-process.
NOTIMPLEMENTED();
}
std::u16string PepperPluginInstanceImpl::GetSelectedText(bool html) {
return selected_text_;
}
void PepperPluginInstanceImpl::RequestSurroundingText(
size_t desired_number_of_characters) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
if (!LoadTextInputInterface())
return;
plugin_textinput_interface_->RequestSurroundingText(
pp_instance(), desired_number_of_characters);
}
bool PepperPluginInstanceImpl::LoadInputEventInterface() {
if (!checked_for_plugin_input_event_interface_) {
checked_for_plugin_input_event_interface_ = true;
plugin_input_event_interface_ = static_cast<const PPP_InputEvent*>(
module_->GetPluginInterface(PPP_INPUT_EVENT_INTERFACE));
}
return !!plugin_input_event_interface_;
}
bool PepperPluginInstanceImpl::LoadMouseLockInterface() {
if (!plugin_mouse_lock_interface_) {
plugin_mouse_lock_interface_ = static_cast<const PPP_MouseLock*>(
module_->GetPluginInterface(PPP_MOUSELOCK_INTERFACE));
}
return !!plugin_mouse_lock_interface_;
}
bool PepperPluginInstanceImpl::LoadPrintInterface() {
// Only check for the interface if the plugin has dev permission.
if (!module_->permissions().HasPermission(ppapi::PERMISSION_DEV))
return false;
if (!plugin_print_interface_) {
plugin_print_interface_ = static_cast<const PPP_Printing_Dev*>(
module_->GetPluginInterface(PPP_PRINTING_DEV_INTERFACE));
}
return !!plugin_print_interface_;
}
bool PepperPluginInstanceImpl::LoadPrivateInterface() {
// If this is a NaCl app, we want to talk to the trusted NaCl plugin to
// call GetInstanceObject. This is necessary to ensure that the properties
// the trusted plugin exposes (readyState and lastError) work properly. Note
// that untrusted NaCl apps are not allowed to provide PPP_InstancePrivate,
// so it's correct to never look up PPP_InstancePrivate for them.
//
// If this is *not* a NaCl plugin, original_module_ will never be set; we talk
// to the "real" module.
scoped_refptr<PluginModule> module =
original_module_.get() ? original_module_ : module_;
// Only check for the interface if the plugin has private permission.
if (!module->permissions().HasPermission(ppapi::PERMISSION_PRIVATE))
return false;
if (!plugin_private_interface_) {
plugin_private_interface_ = static_cast<const PPP_Instance_Private*>(
module->GetPluginInterface(PPP_INSTANCE_PRIVATE_INTERFACE));
}
return !!plugin_private_interface_;
}
bool PepperPluginInstanceImpl::LoadTextInputInterface() {
if (!plugin_textinput_interface_) {
plugin_textinput_interface_ = static_cast<const PPP_TextInput_Dev*>(
module_->GetPluginInterface(PPP_TEXTINPUT_DEV_INTERFACE));
}
return !!plugin_textinput_interface_;
}
void PepperPluginInstanceImpl::SetGraphics2DTransform(
const float& scale,
const gfx::PointF& translation) {
graphics2d_scale_ = scale;
graphics2d_translation_ = translation;
UpdateLayerTransform();
}
void PepperPluginInstanceImpl::UpdateLayerTransform() {
if (!bound_graphics_2d_platform_ || !texture_layer_) {
// Currently the transform is only applied for Graphics2D.
return;
}
// Set the UV coordinates of the texture based on the size of the Graphics2D
// context. By default a texture gets scaled to the size of the layer. But
// if the size of the Graphics2D context doesn't match the size of the plugin
// then it will be incorrectly stretched. This also affects how the plugin
// is painted when it is being resized. If the Graphics2D contents are
// stretched when a plugin is resized while waiting for a new frame from the
// plugin to be rendered, then flickering behavior occurs as in
// crbug.com/353453.
gfx::SizeF graphics_2d_size_in_dip =
gfx::ScaleSize(gfx::SizeF(bound_graphics_2d_platform_->Size()),
bound_graphics_2d_platform_->GetScale());
gfx::Size plugin_size_in_dip(view_data_.rect.size.width,
view_data_.rect.size.height);
// Adding the SetLayerTransform from Graphics2D to the UV.
// If graphics2d_scale_ is 1.f and graphics2d_translation_ is 0 then UV will
// be top_left (0,0) and lower_right (plugin_size_in_dip.width() /
// graphics_2d_size_in_dip.width(), plugin_size_in_dip.height() /
// graphics_2d_size_in_dip.height())
gfx::PointF top_left =
gfx::PointF(-graphics2d_translation_.x() / graphics2d_scale_,
-graphics2d_translation_.y() / graphics2d_scale_);
gfx::PointF lower_right =
gfx::PointF((1 / graphics2d_scale_) * plugin_size_in_dip.width() -
graphics2d_translation_.x() / graphics2d_scale_,
(1 / graphics2d_scale_) * plugin_size_in_dip.height() -
graphics2d_translation_.y() / graphics2d_scale_);
texture_layer_->SetUV(
gfx::PointF(top_left.x() / graphics_2d_size_in_dip.width(),
top_left.y() / graphics_2d_size_in_dip.height()),
gfx::PointF(lower_right.x() / graphics_2d_size_in_dip.width(),
lower_right.y() / graphics_2d_size_in_dip.height()));
}
bool PepperPluginInstanceImpl::PluginHasFocus() const {
return has_webkit_focus_;
}
void PepperPluginInstanceImpl::SendFocusChangeNotification() {
// Keep a reference on the stack. RenderFrameImpl::PepperFocusChanged may
// remove the <embed> from the DOM, which will make the PepperWebPluginImpl
// drop its reference, usually the last one. This is similar to possible
// plugin behavior described at the NOTE above Delete().
scoped_refptr<PepperPluginInstanceImpl> ref(this);
if (!render_frame_)
return;
bool has_focus = PluginHasFocus();
render_frame_->PepperFocusChanged(this, has_focus);
// instance_interface_ may have been cleared in Delete() if the
// PepperWebPluginImpl is destroyed.
if (instance_interface_)
instance_interface_->DidChangeFocus(pp_instance(), PP_FromBool(has_focus));
}
void PepperPluginInstanceImpl::UpdateTouchEventRequest() {
// If the view has 0 area don't request touch events.
if (view_data_.rect.size.width == 0 || view_data_.rect.size.height == 0) {
container_->RequestTouchEventType(
blink::WebPluginContainer::kTouchEventRequestTypeNone);
return;
}
blink::WebPluginContainer::TouchEventRequestType request_type =
blink::WebPluginContainer::kTouchEventRequestTypeSynthesizedMouse;
if ((filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH) ||
(input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH)) {
request_type =
blink::WebPluginContainer::kTouchEventRequestTypeRawLowLatency;
} else if ((filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_TOUCH) ||
(input_event_mask_ & PP_INPUTEVENT_CLASS_TOUCH)) {
request_type = blink::WebPluginContainer::kTouchEventRequestTypeRaw;
}
container_->RequestTouchEventType(request_type);
}
void PepperPluginInstanceImpl::UpdateWheelEventRequest() {
// If the view has 0 area don't request wheel events.
if (view_data_.rect.size.width == 0 || view_data_.rect.size.height == 0) {
container_->SetWantsWheelEvents(false);
return;
}
bool hasWheelMask =
(filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_WHEEL) ||
(input_event_mask_ & PP_INPUTEVENT_CLASS_WHEEL);
container_->SetWantsWheelEvents(hasWheelMask);
}
void PepperPluginInstanceImpl::ScheduleAsyncDidChangeView() {
if (view_change_weak_ptr_factory_.HasWeakPtrs())
return; // Already scheduled.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&PepperPluginInstanceImpl::SendAsyncDidChangeView,
view_change_weak_ptr_factory_.GetWeakPtr()));
}
void PepperPluginInstanceImpl::SendAsyncDidChangeView() {
// The bound callback that owns the weak pointer is still valid until after
// this function returns. SendDidChangeView checks HasWeakPtrs, so we need to
// invalidate them here.
// NOTE: If we ever want to have more than one pending callback, it should
// use a different factory, or we should have a different strategy here.
view_change_weak_ptr_factory_.InvalidateWeakPtrs();
SendDidChangeView();
}
void PepperPluginInstanceImpl::SendDidChangeView() {
if (!render_frame_)
return;
// An asynchronous view update is scheduled. Skip sending this update.
if (view_change_weak_ptr_factory_.HasWeakPtrs())
return;
// Don't send DidChangeView to crashed plugins.
if (module()->is_crashed())
return;
if (bound_graphics_2d_platform_)
bound_graphics_2d_platform_->set_viewport_to_dip_scale(
viewport_to_dip_scale_);
module_->renderer_ppapi_host()->set_viewport_to_dip_scale(
viewport_to_dip_scale_);
ppapi::ViewData view_data = view_data_;
if (sent_initial_did_change_view_ && last_sent_view_data_.Equals(view_data))
return; // Nothing to update.
sent_initial_did_change_view_ = true;
last_sent_view_data_ = view_data;
ScopedPPResource resource(
ScopedPPResource::PassRef(),
(new PPB_View_Shared(ppapi::OBJECT_IS_IMPL, pp_instance(), view_data))
->GetReference());
UpdateLayerTransform();
if (bound_graphics_2d_platform_ &&
(!view_data.is_page_visible ||
PP_ToGfxRect(view_data.clip_rect).IsEmpty())) {
bound_graphics_2d_platform_->ClearCache();
}
// It's possible that Delete() has been called but the renderer hasn't
// released its reference to this object yet.
if (instance_interface_) {
instance_interface_->DidChangeView(
pp_instance(), resource, &view_data.rect, &view_data.clip_rect);
}
}
void PepperPluginInstanceImpl::ReportGeometry() {
// If this call was delayed, we may have transitioned back to fullscreen in
// the mean time, so only report the geometry if we are actually in normal
// mode.
if (container_)
container_->ReportGeometry();
}
bool PepperPluginInstanceImpl::GetPreferredPrintOutputFormat(
PP_PrintOutputFormat_Dev* format,
const WebPrintParams& print_params) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
if (!LoadPrintInterface())
return false;
uint32_t supported_formats =
plugin_print_interface_->QuerySupportedFormats(pp_instance());
if ((supported_formats & PP_PRINTOUTPUTFORMAT_PDF) &&
!print_params.rasterize_pdf) {
*format = PP_PRINTOUTPUTFORMAT_PDF;
return true;
}
if (supported_formats & PP_PRINTOUTPUTFORMAT_RASTER) {
*format = PP_PRINTOUTPUTFORMAT_RASTER;
return true;
}
return false;
}
bool PepperPluginInstanceImpl::SupportsPrintInterface() {
PP_PrintOutputFormat_Dev format;
WebPrintParams params;
params.rasterize_pdf = false;
return GetPreferredPrintOutputFormat(&format, params);
}
int PepperPluginInstanceImpl::PrintBegin(const WebPrintParams& print_params) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
PP_PrintOutputFormat_Dev format;
if (!GetPreferredPrintOutputFormat(&format, print_params)) {
// PrintBegin should not have been called since SupportsPrintInterface
// would have returned false;
NOTREACHED_IN_MIGRATION();
return 0;
}
const blink::WebPrintPageDescription& description =
print_params.default_page_description;
gfx::SizeF page_area_size = description.size;
page_area_size.set_width(std::max(0.0f, page_area_size.width() -
description.margin_left -
description.margin_right));
page_area_size.set_height(std::max(0.0f, page_area_size.height() -
description.margin_top -
description.margin_bottom));
PP_PrintSettings_Dev print_settings;
print_settings.printable_area =
CSSPixelsToPoints(print_params.printable_area_in_css_pixels);
print_settings.content_area.point = PP_Point();
print_settings.content_area.size = CSSPixelsToPoints(page_area_size);
print_settings.paper_size = CSSPixelsToPoints(description.size);
print_settings.dpi = print_params.printer_dpi;
print_settings.orientation = PP_PRINTORIENTATION_NORMAL;
print_settings.grayscale = PP_FALSE;
print_settings.print_scaling_option =
static_cast<PP_PrintScalingOption_Dev>(print_params.print_scaling_option);
print_settings.format = format;
// "fit to paper" should have never been a scaling option for the user to
// begin with, since it was only supported by the PDF plugin, which has been
// deleted.
DCHECK_NE(print_settings.print_scaling_option,
PP_PRINTSCALINGOPTION_FIT_TO_PAPER);
int num_pages =
plugin_print_interface_->Begin(pp_instance(), &print_settings);
if (!num_pages)
return 0;
current_print_settings_ = print_settings;
metafile_ = nullptr;
ranges_.clear();
ranges_.reserve(num_pages);
return num_pages;
}
void PepperPluginInstanceImpl::PrintPage(int page_number,
cc::PaintCanvas* canvas) {
#if BUILDFLAG(ENABLE_PRINTING)
DCHECK(plugin_print_interface_);
// |canvas| should always have an associated metafile.
auto* metafile = canvas->GetPrintingMetafile();
DCHECK(metafile);
// |ranges_| should be empty IFF |metafile_| is not set.
DCHECK_EQ(ranges_.empty(), !metafile_);
if (metafile_) {
// The metafile should be the same across all calls for a given print job.
DCHECK_EQ(metafile_, metafile);
} else {
// Store |metafile| on the first call.
metafile_ = metafile;
}
PP_PrintPageNumberRange_Dev page_range = {static_cast<uint32_t>(page_number),
static_cast<uint32_t>(page_number)};
ranges_.push_back(page_range);
#endif
}
void PepperPluginInstanceImpl::PrintEnd() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
DCHECK(plugin_print_interface_);
if (!ranges_.empty()) {
PP_Resource print_output = plugin_print_interface_->PrintPages(
pp_instance(), ranges_.data(), ranges_.size());
if (print_output) {
if (current_print_settings_.format == PP_PRINTOUTPUTFORMAT_PDF ||
current_print_settings_.format == PP_PRINTOUTPUTFORMAT_RASTER) {
PrintPDFOutput(print_output, metafile_);
}
// Now release the print output resource.
PluginModule::GetCore()->ReleaseResource(print_output);
}
ranges_.clear();
metafile_ = nullptr;
}
plugin_print_interface_->End(pp_instance());
memset(¤t_print_settings_, 0, sizeof(current_print_settings_));
}
bool PepperPluginInstanceImpl::IsFullscreenOrPending() {
return desired_fullscreen_state_;
}
bool PepperPluginInstanceImpl::SetFullscreen(bool fullscreen) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
// Check whether we are trying to switch to the state we're already going
// to (i.e. if we're already switching to fullscreen but the fullscreen
// container isn't ready yet, don't do anything more).
if (fullscreen == IsFullscreenOrPending())
return false;
if (!render_frame_)
return false;
if (fullscreen) {
if (!render_frame_->GetWebView()
->GetRendererPreferences()
.plugin_fullscreen_allowed) {
return false;
}
if (!HasTransientUserActivation())
return false;
}
// Check whether we are trying to switch while the state is in transition.
// The 2nd request gets dropped while messing up the internal state, so
// disallow this.
if (view_data_.is_fullscreen != desired_fullscreen_state_)
return false;
DVLOG(1) << "Setting fullscreen to " << (fullscreen ? "on" : "off");
desired_fullscreen_state_ = fullscreen;
if (fullscreen) {
// WebKit does not resize the plugin to fill the screen in fullscreen mode,
// so we will tweak plugin's attributes to support the expected behavior.
KeepSizeAttributesBeforeFullscreen();
SetSizeAttributesForFullscreen();
container_->RequestFullscreen();
} else {
container_->CancelFullscreen();
}
return true;
}
void PepperPluginInstanceImpl::UpdateLayer(bool force_creation) {
if (!container_)
return;
bool want_3d_layer = !!bound_graphics_3d_.get();
bool want_2d_layer = !!bound_graphics_2d_platform_;
bool want_texture_layer = want_3d_layer || want_2d_layer;
if (!force_creation && (want_texture_layer == !!texture_layer_) &&
(want_3d_layer == layer_is_hardware_)) {
UpdateLayerTransform();
return;
}
if (texture_layer_) {
container_->SetCcLayer(nullptr);
texture_layer_->ClearClient();
texture_layer_ = nullptr;
}
if (want_texture_layer) {
bool opaque = false;
if (want_3d_layer) {
DCHECK(bound_graphics_3d_.get());
texture_layer_ = cc::TextureLayer::CreateForMailbox(nullptr);
opaque = bound_graphics_3d_->IsOpaque();
PassCommittedTextureToTextureLayer();
} else {
DCHECK(bound_graphics_2d_platform_);
texture_layer_ = cc::TextureLayer::CreateForMailbox(this);
bound_graphics_2d_platform_->AttachedToNewLayer();
opaque = bound_graphics_2d_platform_->IsAlwaysOpaque();
texture_layer_->SetFlipped(false);
}
// Ignore transparency in fullscreen.
texture_layer_->SetContentsOpaque(opaque);
}
if (texture_layer_) {
container_->SetCcLayer(texture_layer_.get());
}
layer_is_hardware_ = want_3d_layer;
UpdateLayerTransform();
}
bool PepperPluginInstanceImpl::PrepareTransferableResource(
cc::SharedBitmapIdRegistrar* bitmap_registrar,
viz::TransferableResource* transferable_resource,
viz::ReleaseCallback* release_callback) {
if (!bound_graphics_2d_platform_)
return false;
return bound_graphics_2d_platform_->PrepareTransferableResource(
bitmap_registrar, transferable_resource, release_callback);
}
void PepperPluginInstanceImpl::OnDestruct() {
render_frame_ = nullptr;
}
void PepperPluginInstanceImpl::AddPluginObject(PluginObject* plugin_object) {
DCHECK(!base::Contains(live_plugin_objects_, plugin_object));
live_plugin_objects_.insert(plugin_object);
}
void PepperPluginInstanceImpl::RemovePluginObject(PluginObject* plugin_object) {
// Don't actually verify that the object is in the set since during module
// deletion we'll be in the process of freeing them.
live_plugin_objects_.erase(plugin_object);
}
bool PepperPluginInstanceImpl::HasTransientUserActivation() const {
return render_frame_->GetWebFrame()->HasTransientUserActivation();
}
void PepperPluginInstanceImpl::OnLockMouseACK(bool succeeded) {
if (TrackedCallback::IsPending(lock_mouse_callback_))
lock_mouse_callback_->Run(succeeded ? PP_OK : PP_ERROR_FAILED);
}
void PepperPluginInstanceImpl::OnMouseLockLost() {
if (LoadMouseLockInterface())
plugin_mouse_lock_interface_->MouseLockLost(pp_instance());
}
void PepperPluginInstanceImpl::HandleMouseLockedInputEvent(
const blink::WebMouseEvent& event) {
// |cursor| is ignored since it is hidden when the mouse is locked.
ui::Cursor cursor;
HandleInputEvent(event, &cursor);
}
void PepperPluginInstanceImpl::SimulateInputEvent(
const InputEventData& input_event) {
WebWidget* widget =
container()->GetDocument().GetFrame()->LocalRoot()->FrameWidget();
if (!widget) {
NOTREACHED_IN_MIGRATION();
return;
}
bool handled = SimulateIMEEvent(input_event);
if (handled)
return;
std::vector<std::unique_ptr<WebInputEvent>> events =
CreateSimulatedWebInputEvents(
input_event, view_data_.rect.point.x + view_data_.rect.size.width / 2,
view_data_.rect.point.y + view_data_.rect.size.height / 2);
for (auto& event : events) {
widget->HandleInputEvent(
blink::WebCoalescedInputEvent(std::move(event), ui::LatencyInfo()));
}
if (input_event.event_type == PP_INPUTEVENT_TYPE_TOUCHSTART ||
input_event.event_type == PP_INPUTEVENT_TYPE_TOUCHMOVE ||
input_event.event_type == PP_INPUTEVENT_TYPE_TOUCHEND ||
input_event.event_type == PP_INPUTEVENT_TYPE_TOUCHCANCEL)
widget->DispatchBufferedTouchEvents();
}
bool PepperPluginInstanceImpl::SimulateIMEEvent(
const InputEventData& input_event) {
switch (input_event.event_type) {
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_START:
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE:
SimulateImeSetCompositionEvent(input_event);
break;
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_END:
DCHECK(input_event.character_text.empty());
SimulateImeSetCompositionEvent(input_event);
break;
case PP_INPUTEVENT_TYPE_IME_TEXT:
OnImeCommitText(base::UTF8ToUTF16(input_event.character_text),
gfx::Range(), 0);
break;
default:
return false;
}
return true;
}
void PepperPluginInstanceImpl::SimulateImeSetCompositionEvent(
const InputEventData& input_event) {
std::vector<size_t> offsets;
offsets.push_back(input_event.composition_selection_start);
offsets.push_back(input_event.composition_selection_end);
offsets.insert(offsets.end(),
input_event.composition_segment_offsets.begin(),
input_event.composition_segment_offsets.end());
std::u16string utf16_text =
base::UTF8ToUTF16AndAdjustOffsets(input_event.character_text, &offsets);
std::vector<ui::ImeTextSpan> ime_text_spans;
for (size_t i = 2; i + 1 < offsets.size(); ++i) {
ui::ImeTextSpan ime_text_span;
ime_text_span.start_offset = offsets[i];
ime_text_span.end_offset = offsets[i + 1];
if (input_event.composition_target_segment == static_cast<int32_t>(i - 2))
ime_text_span.thickness = ui::ImeTextSpan::Thickness::kThick;
ime_text_spans.push_back(ime_text_span);
}
OnImeSetComposition(utf16_text, ime_text_spans, offsets[0], offsets[1]);
}
PP_Bool PepperPluginInstanceImpl::BindGraphics(PP_Instance instance,
PP_Resource device) {
TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::BindGraphics");
// The Graphics3D instance can't be destroyed until we call
// UpdateLayer().
scoped_refptr<ppapi::Resource> old_graphics = bound_graphics_3d_.get();
if (bound_graphics_3d_.get()) {
bound_graphics_3d_->BindToInstance(false);
bound_graphics_3d_ = nullptr;
}
if (bound_graphics_2d_platform_) {
bound_graphics_2d_platform_->BindToInstance(nullptr);
bound_graphics_2d_platform_ = nullptr;
}
// Special-case clearing the current device.
if (!device) {
UpdateLayer(true);
InvalidateRect(gfx::Rect());
return PP_TRUE;
}
// Refuse to bind if in transition to/from fullscreen with PPB_Fullscreen.
if (desired_fullscreen_state_ != view_data_.is_fullscreen)
return PP_FALSE;
const ppapi::host::PpapiHost* ppapi_host =
RendererPpapiHost::GetForPPInstance(instance)->GetPpapiHost();
ppapi::host::ResourceHost* host = ppapi_host->GetResourceHost(device);
PepperGraphics2DHost* graphics_2d = nullptr;
if (host) {
if (host->IsGraphics2DHost()) {
graphics_2d = static_cast<PepperGraphics2DHost*>(host);
} else {
DLOG(ERROR) <<
"Resource is not PepperCompositorHost or PepperGraphics2DHost.";
}
}
EnterResourceNoLock<PPB_Graphics3D_API> enter_3d(device, false);
PPB_Graphics3D_Impl* graphics_3d =
enter_3d.succeeded()
? static_cast<PPB_Graphics3D_Impl*>(enter_3d.object())
: nullptr;
if (graphics_2d) {
if (graphics_2d->BindToInstance(this)) {
bound_graphics_2d_platform_ = graphics_2d;
bound_graphics_2d_platform_->set_viewport_to_dip_scale(
viewport_to_dip_scale_);
UpdateLayer(true);
return PP_TRUE;
}
} else if (graphics_3d) {
// Make sure graphics can only be bound to the instance it is
// associated with.
if (graphics_3d->pp_instance() == pp_instance() &&
graphics_3d->BindToInstance(true)) {
bound_graphics_3d_ = graphics_3d;
UpdateLayer(true);
return PP_TRUE;
}
}
// The instance cannot be bound or the device is not a valid resource type.
return PP_FALSE;
}
PP_Bool PepperPluginInstanceImpl::IsFullFrame(PP_Instance instance) {
return PP_FromBool(full_frame());
}
const ViewData* PepperPluginInstanceImpl::GetViewData(PP_Instance instance) {
return &view_data_;
}
PP_Var PepperPluginInstanceImpl::GetWindowObject(PP_Instance instance) {
if (!container_)
return PP_MakeUndefined();
V8VarConverter converter(pp_instance_, V8VarConverter::kAllowObjectVars);
PepperTryCatchVar try_catch(this, &converter, nullptr);
WebLocalFrame* frame = container_->GetDocument().GetFrame();
if (!frame) {
try_catch.SetException("No frame exists for window object.");
return PP_MakeUndefined();
}
ScopedPPVar result =
try_catch.FromV8(frame->MainWorldScriptContext()->Global());
DCHECK(!try_catch.HasException());
return result.Release();
}
PP_Var PepperPluginInstanceImpl::GetOwnerElementObject(PP_Instance instance) {
if (!container_)
return PP_MakeUndefined();
V8VarConverter converter(pp_instance_, V8VarConverter::kAllowObjectVars);
PepperTryCatchVar try_catch(this, &converter, nullptr);
ScopedPPVar result = try_catch.FromV8(container_->V8ObjectForElement());
DCHECK(!try_catch.HasException());
return result.Release();
}
PP_Var PepperPluginInstanceImpl::ExecuteScript(PP_Instance instance,
PP_Var script_var,
PP_Var* exception) {
if (!container_)
return PP_MakeUndefined();
if (is_deleted_ && blink::WebPluginScriptForbiddenScope::IsForbidden())
return PP_MakeUndefined();
// Executing the script may remove the plugin from the DOM, so we need to keep
// a reference to ourselves so that we can still process the result after
// running the script below.
scoped_refptr<PepperPluginInstanceImpl> ref(this);
V8VarConverter converter(pp_instance_, V8VarConverter::kAllowObjectVars);
PepperTryCatchVar try_catch(this, &converter, exception);
// Check for an exception due to the context being destroyed.
if (try_catch.HasException())
return PP_MakeUndefined();
WebLocalFrame* frame = container_->GetDocument().GetFrame();
if (!frame) {
try_catch.SetException("No frame to execute script in.");
return PP_MakeUndefined();
}
StringVar* script_string_var = StringVar::FromPPVar(script_var);
if (!script_string_var) {
try_catch.SetException("Script param to ExecuteScript must be a string.");
return PP_MakeUndefined();
}
std::string script_string = script_string_var->value();
blink::WebScriptSource script(
blink::WebString::FromUTF8(script_string.c_str()));
v8::Local<v8::Value> result;
result = frame->ExecuteScriptAndReturnValue(script);
ScopedPPVar var_result = try_catch.FromV8(result);
if (try_catch.HasException())
return PP_MakeUndefined();
return var_result.Release();
}
uint32_t PepperPluginInstanceImpl::GetAudioHardwareOutputSampleRate(
PP_Instance instance) {
return render_frame()
? blink::AudioDeviceFactory::GetInstance()
->GetOutputDeviceInfo(
render_frame()->GetWebFrame()->GetLocalFrameToken(),
std::string())
.output_params()
.sample_rate()
: 0;
}
uint32_t PepperPluginInstanceImpl::GetAudioHardwareOutputBufferSize(
PP_Instance instance) {
return render_frame()
? blink::AudioDeviceFactory::GetInstance()
->GetOutputDeviceInfo(
render_frame()->GetWebFrame()->GetLocalFrameToken(),
std::string())
.output_params()
.frames_per_buffer()
: 0;
}
PP_Var PepperPluginInstanceImpl::GetDefaultCharSet(PP_Instance instance) {
if (!render_frame_)
return PP_MakeUndefined();
return StringVar::StringToPPVar(render_frame_->GetWebFrame()
->View()
->GetWebPreferences()
.default_encoding);
}
PP_Bool PepperPluginInstanceImpl::IsFullscreen(PP_Instance instance) {
return PP_FromBool(view_data_.is_fullscreen);
}
PP_Bool PepperPluginInstanceImpl::SetFullscreen(PP_Instance instance,
PP_Bool fullscreen) {
return PP_FromBool(SetFullscreen(PP_ToBool(fullscreen)));
}
PP_Bool PepperPluginInstanceImpl::GetScreenSize(PP_Instance instance,
PP_Size* size) {
// All other cases: Report the screen size.
if (!render_frame_)
return PP_FALSE;
display::ScreenInfo info =
render_frame_->GetLocalRootWebFrameWidget()->GetScreenInfo();
*size = PP_MakeSize(info.rect.width(), info.rect.height());
return PP_TRUE;
}
ppapi::Resource* PepperPluginInstanceImpl::GetSingletonResource(
PP_Instance instance,
ppapi::SingletonResourceID id) {
// Some APIs aren't implemented in-process.
switch (id) {
case ppapi::BROWSER_FONT_SINGLETON_ID:
case ppapi::ISOLATED_FILESYSTEM_SINGLETON_ID:
case ppapi::NETWORK_PROXY_SINGLETON_ID:
NOTIMPLEMENTED();
return nullptr;
case ppapi::GAMEPAD_SINGLETON_ID:
return gamepad_impl_.get();
case ppapi::UMA_SINGLETON_ID: {
if (!uma_private_impl_.get()) {
RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
if (host_impl->in_process_router()) {
uma_private_impl_ = new ppapi::proxy::UMAPrivateResource(
host_impl->in_process_router()->GetPluginConnection(instance),
instance);
}
}
return uma_private_impl_.get();
}
}
NOTREACHED_IN_MIGRATION();
return nullptr;
}
int32_t PepperPluginInstanceImpl::RequestInputEvents(PP_Instance instance,
uint32_t event_classes) {
input_event_mask_ |= event_classes;
filtered_input_event_mask_ &= ~(event_classes);
RequestInputEventsHelper(event_classes);
return ValidateRequestInputEvents(false, event_classes);
}
int32_t PepperPluginInstanceImpl::RequestFilteringInputEvents(
PP_Instance instance,
uint32_t event_classes) {
filtered_input_event_mask_ |= event_classes;
input_event_mask_ &= ~(event_classes);
RequestInputEventsHelper(event_classes);
return ValidateRequestInputEvents(true, event_classes);
}
void PepperPluginInstanceImpl::ClearInputEventRequest(PP_Instance instance,
uint32_t event_classes) {
input_event_mask_ &= ~(event_classes);
filtered_input_event_mask_ &= ~(event_classes);
RequestInputEventsHelper(event_classes);
}
void PepperPluginInstanceImpl::PostMessage(PP_Instance instance,
PP_Var message) {
PostMessageToJavaScript(message);
}
PP_Bool PepperPluginInstanceImpl::SetCursor(PP_Instance instance,
PP_MouseCursor_Type type,
PP_Resource image,
const PP_Point* hot_spot) {
if (!ValidateSetCursorParams(type, image, hot_spot))
return PP_FALSE;
if (type != PP_MOUSECURSOR_TYPE_CUSTOM) {
DoSetCursor(
std::make_unique<ui::Cursor>(static_cast<ui::mojom::CursorType>(type)));
return PP_TRUE;
}
EnterResourceNoLock<PPB_ImageData_API> enter(image, true);
if (enter.failed())
return PP_FALSE;
PPB_ImageData_Impl* image_data =
static_cast<PPB_ImageData_Impl*>(enter.object());
ImageDataAutoMapper auto_mapper(image_data);
if (!auto_mapper.is_valid())
return PP_FALSE;
SkBitmap bitmap(image_data->GetMappedBitmap());
// Make a deep copy, so that the cursor remains valid even after the original
// image data gets freed.
SkBitmap dst;
if (!dst.tryAllocPixels(bitmap.info()) ||
!bitmap.readPixels(dst.info(), dst.getPixels(), dst.rowBytes(), 0, 0)) {
return PP_FALSE;
}
DoSetCursor(std::make_unique<ui::Cursor>(ui::Cursor::NewCustom(
std::move(dst), gfx::Point(hot_spot->x, hot_spot->y))));
return PP_TRUE;
}
int32_t PepperPluginInstanceImpl::LockMouse(
PP_Instance instance,
scoped_refptr<TrackedCallback> callback) {
if (TrackedCallback::IsPending(lock_mouse_callback_))
return PP_ERROR_INPROGRESS;
if (IsMouseLocked())
return PP_OK;
if (!CanAccessMainFrame())
return PP_ERROR_NOACCESS;
if (!HasTransientUserActivation())
return PP_ERROR_NO_USER_GESTURE;
if (!LockMouse(false))
return PP_ERROR_FAILED;
lock_mouse_callback_ = callback;
return PP_OK_COMPLETIONPENDING;
}
void PepperPluginInstanceImpl::UnlockMouse(PP_Instance instance) {
container_->UnlockMouse();
}
void PepperPluginInstanceImpl::SetTextInputType(PP_Instance instance,
PP_TextInput_Type type) {
if (!render_frame_)
return;
int itype = type;
if (itype < 0 || itype > ui::TEXT_INPUT_TYPE_URL)
itype = ui::TEXT_INPUT_TYPE_NONE;
SetTextInputType(static_cast<ui::TextInputType>(itype));
}
void PepperPluginInstanceImpl::UpdateCaretPosition(
PP_Instance instance,
const PP_Rect& caret,
const PP_Rect& bounding_box) {
if (!render_frame_)
return;
PP_Rect caret_dip(caret), bounding_box_dip(bounding_box);
ConvertRectToDIP(&caret_dip);
ConvertRectToDIP(&bounding_box_dip);
TextInputCaretInfo info = {PP_ToGfxRect(caret_dip),
PP_ToGfxRect(bounding_box_dip)};
text_input_caret_info_ = std::move(info);
render_frame_->PepperCaretPositionChanged(this);
}
void PepperPluginInstanceImpl::CancelCompositionText(PP_Instance instance) {
if (render_frame_)
render_frame_->PepperCancelComposition(this);
}
void PepperPluginInstanceImpl::SelectionChanged(PP_Instance instance) {
// TODO(kinaba): currently the browser always calls RequestSurroundingText.
// It can be optimized so that it won't call it back until the information
// is really needed.
// Avoid calling in nested context or else this will reenter the plugin. This
// uses a weak pointer rather than exploiting the fact that this class is
// refcounted because we don't actually want this operation to affect the
// lifetime of the instance.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&PepperPluginInstanceImpl::RequestSurroundingText,
weak_factory_.GetWeakPtr(),
static_cast<size_t>(kExtraCharsForTextInput)));
}
void PepperPluginInstanceImpl::UpdateSurroundingText(PP_Instance instance,
const char* text,
uint32_t caret,
uint32_t anchor) {
if (!render_frame_)
return;
surrounding_text_ = text;
selection_caret_ = caret;
selection_anchor_ = anchor;
render_frame_->PepperSelectionChanged(this);
}
PP_Var PepperPluginInstanceImpl::ResolveRelativeToDocument(
PP_Instance instance,
PP_Var relative,
PP_URLComponents_Dev* components) {
StringVar* relative_string = StringVar::FromPPVar(relative);
if (!relative_string)
return PP_MakeNull();
GURL document_url = container()->GetDocument().BaseURL();
return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(
document_url.Resolve(relative_string->value()), components);
}
PP_Bool PepperPluginInstanceImpl::DocumentCanRequest(PP_Instance instance,
PP_Var url) {
StringVar* url_string = StringVar::FromPPVar(url);
if (!url_string)
return PP_FALSE;
blink::WebSecurityOrigin security_origin;
if (!SecurityOriginForInstance(instance, &security_origin))
return PP_FALSE;
GURL gurl(url_string->value());
if (!gurl.is_valid())
return PP_FALSE;
return PP_FromBool(security_origin.CanRequest(gurl));
}
PP_Bool PepperPluginInstanceImpl::DocumentCanAccessDocument(
PP_Instance instance,
PP_Instance target) {
blink::WebSecurityOrigin our_origin;
if (!SecurityOriginForInstance(instance, &our_origin))
return PP_FALSE;
blink::WebSecurityOrigin target_origin;
if (!SecurityOriginForInstance(instance, &target_origin))
return PP_FALSE;
return PP_FromBool(our_origin.CanAccess(target_origin));
}
PP_Var PepperPluginInstanceImpl::GetDocumentURL(
PP_Instance instance,
PP_URLComponents_Dev* components) {
blink::WebDocument document = container()->GetDocument();
return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(document.Url(),
components);
}
PP_Var PepperPluginInstanceImpl::GetPluginInstanceURL(
PP_Instance instance,
PP_URLComponents_Dev* components) {
return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(plugin_url_, components);
}
PP_Var PepperPluginInstanceImpl::GetPluginReferrerURL(
PP_Instance instance,
PP_URLComponents_Dev* components) {
blink::WebDocument document = container()->GetDocument();
if (!full_frame_)
return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(document.Url(),
components);
WebLocalFrame* frame = document.GetFrame();
if (!frame)
return PP_MakeUndefined();
WebString referer = frame->GetDocumentLoader()->OriginalReferrer();
if (referer.IsEmpty())
return PP_MakeUndefined();
return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(
blink::WebStringToGURL(referer), components);
}
PP_ExternalPluginResult PepperPluginInstanceImpl::ResetAsProxied(
scoped_refptr<PluginModule> module) {
// Save the original module and switch over to the new one now that this
// plugin is using the IPC-based proxy.
original_module_ = module_;
module_ = module;
// For NaCl instances, remember the NaCl plugin instance interface, so we
// can shut it down by calling its DidDestroy in our Delete() method.
original_instance_interface_ = std::move(instance_interface_);
base::RepeatingCallback<const void*(const char*)> get_plugin_interface_func =
base::BindRepeating(&PluginModule::GetPluginInterface, module_);
PPP_Instance_Combined* ppp_instance_combined =
PPP_Instance_Combined::Create(std::move(get_plugin_interface_func));
if (!ppp_instance_combined) {
// The proxy must support at least one usable PPP_Instance interface.
// While this could be a failure to implement the interface in the NaCl
// module, it is more likely that the NaCl process has crashed. Either
// way, report that module initialization failed.
return PP_EXTERNAL_PLUGIN_ERROR_MODULE;
}
instance_interface_.reset(ppp_instance_combined);
// Clear all PPP interfaces we may have cached.
plugin_input_event_interface_ = nullptr;
checked_for_plugin_input_event_interface_ = false;
plugin_mouse_lock_interface_ = nullptr;
plugin_private_interface_ = nullptr;
plugin_textinput_interface_ = nullptr;
// Re-send the DidCreate event via the proxy.
std::unique_ptr<const char* []> argn_array(StringVectorToArgArray(argn_));
std::unique_ptr<const char* []> argv_array(StringVectorToArgArray(argv_));
if (!instance_interface_->DidCreate(
pp_instance(), argn_.size(), argn_array.get(), argv_array.get()))
return PP_EXTERNAL_PLUGIN_ERROR_INSTANCE;
if (message_channel_)
message_channel_->Start();
// Clear sent_initial_did_change_view_ and cancel any pending DidChangeView
// event. This way, SendDidChangeView will send the "current" view
// immediately (before other events like HandleDocumentLoad).
sent_initial_did_change_view_ = false;
view_change_weak_ptr_factory_.InvalidateWeakPtrs();
SendDidChangeView();
DCHECK(external_document_load_);
external_document_load_ = false;
if (!external_document_response_.IsNull()) {
document_loader_ = nullptr;
// Pass the response to the new proxy.
HandleDocumentLoad(external_document_response_);
external_document_response_ = blink::WebURLResponse();
// Replay any document load events we've received to the real loader.
external_document_loader_->ReplayReceivedData(document_loader_);
external_document_loader_.reset();
}
return PP_EXTERNAL_PLUGIN_OK;
}
bool PepperPluginInstanceImpl::IsValidInstanceOf(PluginModule* module) {
DCHECK(module);
return module == module_.get() || module == original_module_.get();
}
RenderFrame* PepperPluginInstanceImpl::GetRenderFrame() {
return render_frame_;
}
blink::WebPluginContainer* PepperPluginInstanceImpl::GetContainer() {
return container_;
}
v8::Isolate* PepperPluginInstanceImpl::GetIsolate() {
return isolate_;
}
ppapi::VarTracker* PepperPluginInstanceImpl::GetVarTracker() {
return HostGlobals::Get()->GetVarTracker();
}
const GURL& PepperPluginInstanceImpl::GetPluginURL() { return plugin_url_; }
base::FilePath PepperPluginInstanceImpl::GetModulePath() {
return module_->path();
}
PP_Resource PepperPluginInstanceImpl::CreateImage(gfx::ImageSkia* source_image,
float scale) {
gfx::ImageSkiaRep image_skia_rep = source_image->GetRepresentation(scale);
if (image_skia_rep.is_null() || image_skia_rep.scale() != scale)
return 0;
scoped_refptr<PPB_ImageData_Impl> image_data(
new PPB_ImageData_Impl(pp_instance(), PPB_ImageData_Impl::PLATFORM));
if (!image_data->Init(PPB_ImageData_Impl::GetNativeImageDataFormat(),
image_skia_rep.pixel_width(),
image_skia_rep.pixel_height(),
false)) {
return 0;
}
ImageDataAutoMapper mapper(image_data.get());
if (!mapper.is_valid())
return 0;
SkCanvas* canvas = image_data->GetCanvas();
// Note: Do not SkBitmap::copyTo the canvas bitmap directly because it will
// ignore the allocated pixels in shared memory and re-allocate a new buffer.
canvas->writePixels(image_skia_rep.GetBitmap(), 0, 0);
return image_data->GetReference();
}
PP_ExternalPluginResult PepperPluginInstanceImpl::SwitchToOutOfProcessProxy(
const base::FilePath& file_path,
ppapi::PpapiPermissions permissions,
const IPC::ChannelHandle& channel_handle,
base::ProcessId plugin_pid,
int plugin_child_id) {
// Create a new module for each instance of the external plugin that is using
// the IPC based out-of-process proxy. We can't use the existing module,
// because it is configured for the in-process plugin, and we must keep it
// that way to allow the page to create other instances.
scoped_refptr<PluginModule> external_plugin_module(
module_->CreateModuleForExternalPluginInstance());
RendererPpapiHostImpl* renderer_ppapi_host =
external_plugin_module->CreateOutOfProcessModule(
render_frame_, file_path, permissions, channel_handle, plugin_pid,
plugin_child_id, true,
render_frame_->GetTaskRunner(blink::TaskType::kInternalDefault));
if (!renderer_ppapi_host) {
DLOG(ERROR) << "CreateExternalPluginModule() failed";
return PP_EXTERNAL_PLUGIN_ERROR_MODULE;
}
// Finally, switch the instance to the proxy.
return external_plugin_module->InitAsProxiedExternalPlugin(this);
}
void PepperPluginInstanceImpl::SetAlwaysOnTop(bool on_top) {
always_on_top_ = on_top;
}
void PepperPluginInstanceImpl::DoSetCursor(std::unique_ptr<ui::Cursor> cursor) {
if (is_deleted_)
return;
cursor_ = std::move(cursor);
if (render_frame_) {
// Update the cursor appearance immediately if the requesting plugin is the
// one which receives the last mouse event. Otherwise, the new cursor won't
// be picked up until the plugin gets the next input event. That is bad if,
// e.g., the plugin would like to set an invisible cursor when there isn't
// any user input for a while.
if (container()->WasTargetForLastMouseEvent()) {
render_frame_->GetLocalRootWebFrameWidget()->SetCursor(*cursor_);
}
}
}
bool PepperPluginInstanceImpl::IsFullPagePlugin() {
WebLocalFrame* frame = container()->GetDocument().GetFrame();
return frame->View()->MainFrame()->IsWebLocalFrame() &&
frame->View()
->MainFrame()
->ToWebLocalFrame()
->GetDocument()
.IsPluginDocument();
}
bool PepperPluginInstanceImpl::IsRectTopmost(const gfx::Rect& rect) {
return container_->IsRectTopmost(rect);
}
int PepperPluginInstanceImpl::MakePendingFileRefRendererHost(
const base::FilePath& path) {
RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
PepperFileRefRendererHost* file_ref_host(
new PepperFileRefRendererHost(host_impl, pp_instance(), 0, path));
return host_impl->GetPpapiHost()->AddPendingResourceHost(
std::unique_ptr<ppapi::host::ResourceHost>(file_ref_host));
}
void PepperPluginInstanceImpl::SetEmbedProperty(PP_Var key, PP_Var value) {
if (message_channel_)
message_channel_->SetReadOnlyProperty(key, value);
}
bool PepperPluginInstanceImpl::CanAccessMainFrame() const {
if (!container_)
return false;
blink::WebDocument containing_document = container_->GetDocument();
if (!containing_document.GetFrame() ||
!containing_document.GetFrame()->View() ||
!containing_document.GetFrame()->View()->MainFrame()) {
return false;
}
blink::WebFrame* main_frame =
containing_document.GetFrame()->View()->MainFrame();
return containing_document.GetSecurityOrigin().CanAccess(
main_frame->GetSecurityOrigin());
}
void PepperPluginInstanceImpl::KeepSizeAttributesBeforeFullscreen() {
WebElement element = container_->GetElement();
width_before_fullscreen_ = element.GetAttribute(WebString::FromUTF8(kWidth));
height_before_fullscreen_ =
element.GetAttribute(WebString::FromUTF8(kHeight));
border_before_fullscreen_ =
element.GetAttribute(WebString::FromUTF8(kBorder));
style_before_fullscreen_ = element.GetAttribute(WebString::FromUTF8(kStyle));
}
void PepperPluginInstanceImpl::SetSizeAttributesForFullscreen() {
if (!render_frame_)
return;
display::ScreenInfo info =
render_frame_->GetLocalRootWebFrameWidget()->GetScreenInfo();
screen_size_for_fullscreen_ = info.rect.size();
std::string width = base::NumberToString(screen_size_for_fullscreen_.width());
std::string height =
base::NumberToString(screen_size_for_fullscreen_.height());
WebElement element = container_->GetElement();
element.SetAttribute(WebString::FromUTF8(kWidth), WebString::FromUTF8(width));
element.SetAttribute(WebString::FromUTF8(kHeight),
WebString::FromUTF8(height));
element.SetAttribute(WebString::FromUTF8(kBorder), WebString::FromUTF8("0"));
// There should be no style settings that matter in fullscreen mode,
// so just replace them instead of appending.
// NOTE: "position: fixed" and "display: block" reset the plugin and
// using %% settings might not work without them (e.g. if the plugin is a
// child of a container element).
std::string style;
style += StringPrintf("width: %s !important; ", width.c_str());
style += StringPrintf("height: %s !important; ", height.c_str());
style += "margin: 0 !important; padding: 0 !important; border: 0 !important";
container_->GetElement().SetAttribute(kStyle, WebString::FromUTF8(style));
}
void PepperPluginInstanceImpl::ResetSizeAttributesAfterFullscreen() {
screen_size_for_fullscreen_ = gfx::Size();
WebElement element = container_->GetElement();
element.SetAttribute(WebString::FromUTF8(kWidth), width_before_fullscreen_);
element.SetAttribute(WebString::FromUTF8(kHeight), height_before_fullscreen_);
element.SetAttribute(WebString::FromUTF8(kBorder), border_before_fullscreen_);
element.SetAttribute(WebString::FromUTF8(kStyle), style_before_fullscreen_);
}
bool PepperPluginInstanceImpl::IsMouseLocked() {
return container_->IsMouseLocked();
}
bool PepperPluginInstanceImpl::LockMouse(bool request_unadjusted_movement) {
return container_->LockMouse(request_unadjusted_movement);
}
void PepperPluginInstanceImpl::DidDataFromWebURLResponse(
const blink::WebURLResponse& response,
int pending_host_id,
const ppapi::URLResponseInfoData& data) {
if (is_deleted_)
return;
RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
if (host_impl->in_process_router()) {
// Running in-process, we can just create the resource and call the
// PPP_Instance function directly.
scoped_refptr<ppapi::proxy::URLLoaderResource> loader_resource(
new ppapi::proxy::URLLoaderResource(
host_impl->in_process_router()->GetPluginConnection(pp_instance()),
pp_instance(),
pending_host_id,
data));
PP_Resource loader_pp_resource = loader_resource->GetReference();
if (!instance_interface_->HandleDocumentLoad(pp_instance(),
loader_pp_resource))
loader_resource->Close();
// We don't pass a ref into the plugin, if it wants one, it will have taken
// an additional one.
ppapi::PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(
loader_pp_resource);
} else {
// Running out-of-process. Initiate an IPC call to notify the plugin
// process.
ppapi::proxy::HostDispatcher* dispatcher =
ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
dispatcher->Send(new PpapiMsg_PPPInstance_HandleDocumentLoad(
ppapi::API_ID_PPP_INSTANCE, pp_instance(), pending_host_id, data));
}
}
void PepperPluginInstanceImpl::ConvertRectToDIP(PP_Rect* rect) const {
rect->point.x *= viewport_to_dip_scale_;
rect->point.y *= viewport_to_dip_scale_;
rect->size.width *= viewport_to_dip_scale_;
rect->size.height *= viewport_to_dip_scale_;
}
void PepperPluginInstanceImpl::ConvertDIPToViewport(gfx::Rect* rect) const {
rect->set_x(rect->x() / viewport_to_dip_scale_);
rect->set_y(rect->y() / viewport_to_dip_scale_);
rect->set_width(rect->width() / viewport_to_dip_scale_);
rect->set_height(rect->height() / viewport_to_dip_scale_);
}
void PepperPluginInstanceImpl::IncrementTextureReferenceCount(
const viz::TransferableResource& resource) {
auto it = base::ranges::find(texture_ref_counts_, resource.mailbox(),
&MailboxRefCount::first);
if (it == texture_ref_counts_.end()) {
texture_ref_counts_.emplace_back(resource.mailbox(), 1);
return;
}
it->second++;
}
bool PepperPluginInstanceImpl::DecrementTextureReferenceCount(
const viz::TransferableResource& resource) {
auto it = base::ranges::find(texture_ref_counts_, resource.mailbox(),
&MailboxRefCount::first);
CHECK(it != texture_ref_counts_.end(), base::NotFatalUntil::M130);
if (it->second == 1) {
texture_ref_counts_.erase(it);
return true;
}
it->second--;
return false;
}
bool PepperPluginInstanceImpl::IsTextureInUse(
const viz::TransferableResource& resource) const {
return base::Contains(texture_ref_counts_, resource.mailbox(),
&MailboxRefCount::first);
}
void PepperPluginInstanceImpl::OnImeSetComposition(
const std::u16string& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
int selection_start,
int selection_end) {
// When a PPAPI plugin has focus, we bypass blink core editing composition
// events.
if (!IsPluginAcceptingCompositionEvents()) {
composition_text_ = text;
} else {
// TODO(kinaba) currently all composition events are sent directly to
// plugins. Use DOM event mechanism after blink is made aware about
// plugins that support composition.
// The code below mimics the behavior of blink::Editor::setComposition.
// Empty -> nonempty: composition started.
if (composition_text_.empty() && !text.empty()) {
HandleCompositionStart(std::u16string());
}
// Nonempty -> empty: composition canceled.
if (!composition_text_.empty() && text.empty()) {
HandleCompositionEnd(std::u16string());
}
composition_text_ = text;
// Nonempty: composition is ongoing.
if (!composition_text_.empty()) {
HandleCompositionUpdate(composition_text_, ime_text_spans,
selection_start, selection_end);
}
}
}
void PepperPluginInstanceImpl::OnImeCommitText(
const std::u16string& text,
const gfx::Range& replacement_range,
int relative_cursor_pos) {
HandlePepperImeCommit(text);
}
void PepperPluginInstanceImpl::OnImeFinishComposingText(bool keep_selection) {
const std::u16string& text = composition_text_;
HandlePepperImeCommit(text);
}
void PepperPluginInstanceImpl::HandlePepperImeCommit(
const std::u16string& text) {
if (text.empty())
return;
if (!IsPluginAcceptingCompositionEvents()) {
// For pepper plugins unable to handle IME events, send the plugin a
// sequence of characters instead.
size_t i = 0;
for (base::i18n::UTF16CharIterator iterator(text); iterator.Advance();) {
blink::WebKeyboardEvent char_event(blink::WebInputEvent::Type::kChar,
blink::WebInputEvent::kNoModifiers,
ui::EventTimeForNow());
char_event.windows_key_code = text[i];
char_event.native_key_code = text[i];
for (const size_t char_start = i; i < iterator.array_pos(); ++i) {
char_event.text[i - char_start] = text[i];
char_event.unmodified_text[i - char_start] = text[i];
}
ui::Cursor dummy_cursor_info;
HandleInputEvent(char_event, &dummy_cursor_info);
}
} else {
// Mimics the order of events sent by blink.
// See blink::Editor::setComposition() for the corresponding code.
HandleCompositionEnd(text);
HandleTextInput(text);
}
composition_text_.clear();
}
void PepperPluginInstanceImpl::SetVolume(double volume) {
audio_controller().SetVolume(volume);
}
} // namespace content
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