// 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/event_conversion.h"
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <algorithm>
#include <memory>
#include <string>
#include <string_view>
#include "base/check_op.h"
#include "base/feature_list.h"
#include "base/i18n/char_iterator.h"
#include "base/notreached.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversion_utils.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "components/input/web_touch_event_traits.h"
#include "content/public/common/content_features.h"
#include "device/gamepad/public/cpp/gamepads.h"
#include "ppapi/c/pp_input_event.h"
#include "ppapi/shared_impl/ppb_input_event_shared.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_wheel_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 "ui/events/keycodes/dom/keycode_converter.h"
#if BUILDFLAG(IS_WIN)
#include <windows.h>
#endif
using ppapi::InputEventData;
using ppapi::TouchPointWithTilt;
using blink::WebInputEvent;
using blink::WebKeyboardEvent;
using blink::WebMouseEvent;
using blink::WebMouseWheelEvent;
using blink::WebPointerEvent;
using blink::WebTouchEvent;
using blink::WebTouchPoint;
namespace content {
namespace {
// Verify the modifier flags WebKit uses match the Pepper ones. If these start
// not matching, we'll need to write conversion code to preserve the Pepper
// values (since plugins will be depending on them).
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_SHIFTKEY) ==
static_cast<int>(WebInputEvent::kShiftKey),
"ShiftKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_CONTROLKEY) ==
static_cast<int>(WebInputEvent::kControlKey),
"ControlKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ALTKEY) ==
static_cast<int>(WebInputEvent::kAltKey),
"AltKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_METAKEY) ==
static_cast<int>(WebInputEvent::kMetaKey),
"MetaKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISKEYPAD) ==
static_cast<int>(WebInputEvent::kIsKeyPad),
"KeyPad should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISAUTOREPEAT) ==
static_cast<int>(WebInputEvent::kIsAutoRepeat),
"AutoRepeat should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN) ==
static_cast<int>(WebInputEvent::kLeftButtonDown),
"LeftButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN) ==
static_cast<int>(WebInputEvent::kMiddleButtonDown),
"MiddleButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_RIGHTBUTTONDOWN) ==
static_cast<int>(WebInputEvent::kRightButtonDown),
"RightButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_CAPSLOCKKEY) ==
static_cast<int>(WebInputEvent::kCapsLockOn),
"CapsLock should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_NUMLOCKKEY) ==
static_cast<int>(WebInputEvent::kNumLockOn),
"NumLock should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISLEFT) ==
static_cast<int>(WebInputEvent::kIsLeft),
"IsLeft should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISRIGHT) ==
static_cast<int>(WebInputEvent::kIsRight),
"IsRight should match");
PP_InputEvent_Type ConvertEventTypes(const WebInputEvent& event) {
switch (event.GetType()) {
case WebInputEvent::Type::kMouseDown:
return PP_INPUTEVENT_TYPE_MOUSEDOWN;
case WebInputEvent::Type::kMouseUp:
return PP_INPUTEVENT_TYPE_MOUSEUP;
case WebInputEvent::Type::kMouseMove:
return PP_INPUTEVENT_TYPE_MOUSEMOVE;
case WebInputEvent::Type::kMouseEnter:
return PP_INPUTEVENT_TYPE_MOUSEENTER;
case WebInputEvent::Type::kMouseLeave:
return PP_INPUTEVENT_TYPE_MOUSELEAVE;
case WebInputEvent::Type::kContextMenu:
return PP_INPUTEVENT_TYPE_CONTEXTMENU;
case WebInputEvent::Type::kMouseWheel:
return PP_INPUTEVENT_TYPE_WHEEL;
case WebInputEvent::Type::kRawKeyDown:
// In the past blink has always returned kKeyDown passed into plugins
// although PPAPI had a RAWKEYDOWN definition. However implementations are
// broken now that blink passes kRawKeyDown so convert it to a keydown.
return PP_INPUTEVENT_TYPE_KEYDOWN;
case WebInputEvent::Type::kKeyDown:
return PP_INPUTEVENT_TYPE_KEYDOWN;
case WebInputEvent::Type::kKeyUp:
return PP_INPUTEVENT_TYPE_KEYUP;
case WebInputEvent::Type::kChar:
return PP_INPUTEVENT_TYPE_CHAR;
case WebInputEvent::Type::kTouchStart:
return PP_INPUTEVENT_TYPE_TOUCHSTART;
case WebInputEvent::Type::kTouchMove:
return PP_INPUTEVENT_TYPE_TOUCHMOVE;
case WebInputEvent::Type::kTouchEnd:
return PP_INPUTEVENT_TYPE_TOUCHEND;
case WebInputEvent::Type::kTouchCancel:
return PP_INPUTEVENT_TYPE_TOUCHCANCEL;
case WebInputEvent::Type::kUndefined:
default:
return PP_INPUTEVENT_TYPE_UNDEFINED;
}
}
// Converts WebInputEvent::Modifiers flags to PP_InputEvent_Modifier.
int ConvertEventModifiers(int modifiers) {
return modifiers & (PP_INPUTEVENT_MODIFIER_SHIFTKEY |
PP_INPUTEVENT_MODIFIER_CONTROLKEY |
PP_INPUTEVENT_MODIFIER_ALTKEY |
PP_INPUTEVENT_MODIFIER_METAKEY |
PP_INPUTEVENT_MODIFIER_ISKEYPAD |
PP_INPUTEVENT_MODIFIER_ISAUTOREPEAT |
PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN |
PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN |
PP_INPUTEVENT_MODIFIER_RIGHTBUTTONDOWN |
PP_INPUTEVENT_MODIFIER_CAPSLOCKKEY |
PP_INPUTEVENT_MODIFIER_NUMLOCKKEY |
PP_INPUTEVENT_MODIFIER_ISLEFT |
PP_INPUTEVENT_MODIFIER_ISRIGHT);
}
// Generates a PP_InputEvent with the fields common to all events, as well as
// the event type from the given web event. Event-specific fields will be zero
// initialized.
InputEventData GetEventWithCommonFieldsAndType(const WebInputEvent& web_event) {
InputEventData result;
result.event_type = ConvertEventTypes(web_event);
result.event_time_stamp = web_event.TimeStamp().since_origin().InSecondsF();
return result;
}
void AppendKeyEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebKeyboardEvent& key_event =
static_cast<const WebKeyboardEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = ConvertEventModifiers(key_event.GetModifiers());
result.key_code = key_event.windows_key_code;
result.code = ui::KeycodeConverter::DomCodeToCodeString(
static_cast<ui::DomCode>(key_event.dom_code));
result_events->push_back(result);
}
void AppendCharEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebKeyboardEvent& key_event =
static_cast<const WebKeyboardEvent&>(event);
// This is a bit complex, the input event will normally just have one 16-bit
// character in it, but may be zero or more than one. The text array is
// just padded with 0 values for the unused ones, but is not necessarily
// null-terminated.
const std::u16string_view key_event_text_view(
key_event.text.begin(), std::ranges::find(key_event.text, 0));
// Make a separate InputEventData for each Unicode character in the input.
for (base::i18n::UTF16CharIterator iter(key_event_text_view); !iter.end();
iter.Advance()) {
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = ConvertEventModifiers(key_event.GetModifiers());
base::WriteUnicodeCharacter(iter.get(), &result.character_text);
result_events->push_back(result);
}
}
void AppendMouseEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
static_assert(static_cast<int>(WebMouseEvent::Button::kNoButton) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_NONE),
"MouseNone should match");
static_assert(static_cast<int>(WebMouseEvent::Button::kLeft) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_LEFT),
"MouseLeft should match");
static_assert(static_cast<int>(WebMouseEvent::Button::kRight) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_RIGHT),
"MouseRight should match");
static_assert(static_cast<int>(WebMouseEvent::Button::kMiddle) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_MIDDLE),
"MouseMiddle should match");
const WebMouseEvent& mouse_event = static_cast<const WebMouseEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = ConvertEventModifiers(mouse_event.GetModifiers());
if (mouse_event.GetType() == WebInputEvent::Type::kMouseDown ||
mouse_event.GetType() == WebInputEvent::Type::kMouseMove ||
mouse_event.GetType() == WebInputEvent::Type::kMouseUp) {
switch (mouse_event.button) {
case WebMouseEvent::Button::kNoButton:
case WebMouseEvent::Button::kLeft:
case WebMouseEvent::Button::kRight:
case WebMouseEvent::Button::kMiddle:
result.mouse_button =
static_cast<PP_InputEvent_MouseButton>(mouse_event.button);
break;
default:
return;
}
}
result.mouse_position.x = mouse_event.PositionInWidget().x();
result.mouse_position.y = mouse_event.PositionInWidget().y();
result.mouse_click_count = mouse_event.click_count;
result.mouse_movement.x = mouse_event.movement_x;
result.mouse_movement.y = mouse_event.movement_y;
result_events->push_back(result);
}
void AppendMouseWheelEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebMouseWheelEvent& mouse_wheel_event =
static_cast<const WebMouseWheelEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers =
ConvertEventModifiers(mouse_wheel_event.GetModifiers());
result.wheel_delta.x = mouse_wheel_event.delta_x;
result.wheel_delta.y = mouse_wheel_event.delta_y;
result.wheel_ticks.x = mouse_wheel_event.wheel_ticks_x;
result.wheel_ticks.y = mouse_wheel_event.wheel_ticks_y;
result.wheel_scroll_by_page =
(mouse_wheel_event.delta_units == ui::ScrollGranularity::kScrollByPage);
result_events->push_back(result);
}
enum IncludedTouchPointTypes {
ALL, // All pointers targetting the plugin.
ACTIVE, // Only pointers that are currently down.
CHANGED // Only pointers that have changed since the previous event.
};
void SetPPTouchPoints(base::span<const WebTouchPoint> touches,
IncludedTouchPointTypes included_types,
std::vector<TouchPointWithTilt>* result) {
for (const WebTouchPoint& touch_point : touches) {
if (included_types == ACTIVE &&
(touch_point.state == WebTouchPoint::State::kStateReleased ||
touch_point.state == WebTouchPoint::State::kStateCancelled)) {
continue;
}
if (included_types == CHANGED &&
(touch_point.state == WebTouchPoint::State::kStateUndefined ||
touch_point.state == WebTouchPoint::State::kStateStationary)) {
continue;
}
PP_TouchPoint pp_pt;
pp_pt.id = touch_point.id;
pp_pt.position.x = touch_point.PositionInWidget().x();
pp_pt.position.y = touch_point.PositionInWidget().y();
pp_pt.radius.x = touch_point.radius_x;
pp_pt.radius.y = touch_point.radius_y;
pp_pt.rotation_angle = touch_point.rotation_angle;
pp_pt.pressure = touch_point.force;
PP_FloatPoint pp_ft;
pp_ft.x = touch_point.tilt_x;
pp_ft.y = touch_point.tilt_y;
TouchPointWithTilt touch_with_tilt{pp_pt, pp_ft};
result->push_back(touch_with_tilt);
}
}
void AppendTouchEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebTouchEvent& touch_event = static_cast<const WebTouchEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
if (touch_event.touches_length == 1) {
if (touch_event.touches[0].pointer_type ==
blink::WebPointerProperties::PointerType::kPen) {
result.event_modifiers |= PP_INPUTEVENT_MODIFIER_ISPEN;
} else if (touch_event.touches[0].pointer_type ==
blink::WebPointerProperties::PointerType::kEraser) {
result.event_modifiers |= PP_INPUTEVENT_MODIFIER_ISERASER;
}
}
SetPPTouchPoints(
base::make_span(touch_event.touches).first(touch_event.touches_length),
ACTIVE, &result.touches);
SetPPTouchPoints(
base::make_span(touch_event.touches).first(touch_event.touches_length),
CHANGED, &result.changed_touches);
SetPPTouchPoints(
base::make_span(touch_event.touches).first(touch_event.touches_length),
ALL, &result.target_touches);
result_events->push_back(result);
}
WebTouchPoint CreateWebTouchPoint(const PP_TouchPoint& pp_pt,
WebTouchPoint::State state) {
WebTouchPoint pt;
pt.pointer_type = blink::WebPointerProperties::PointerType::kTouch;
pt.id = pp_pt.id;
pt.SetPositionInWidget(pp_pt.position.x, pp_pt.position.y);
// TODO(crbug.com/40616919): Add screen coordinate calculation.
pt.SetPositionInScreen(0, 0);
pt.force = pp_pt.pressure;
pt.radius_x = pp_pt.radius.x;
pt.radius_y = pp_pt.radius.y;
pt.rotation_angle = pp_pt.rotation_angle;
pt.state = state;
return pt;
}
bool HasTouchPointWithId(const WebTouchPoint* web_touches,
uint32_t web_touches_length,
uint32_t id) {
// Note: A brute force search to find the (potentially) existing touch point
// is cheap given the small bound on |WebTouchEvent::kTouchesLengthCap|.
for (uint32_t i = 0; i < web_touches_length; ++i) {
if (web_touches[i].id == static_cast<int>(id))
return true;
}
return false;
}
void SetWebTouchPointsIfNotYetSet(
const std::vector<TouchPointWithTilt>& pp_touches,
WebTouchPoint::State state,
WebTouchPoint* web_touches,
uint32_t* web_touches_length) {
const uint32_t initial_web_touches_length = *web_touches_length;
const uint32_t touches_length =
std::min(static_cast<uint32_t>(pp_touches.size()),
static_cast<uint32_t>(WebTouchEvent::kTouchesLengthCap));
for (uint32_t i = 0; i < touches_length; ++i) {
const uint32_t touch_index = *web_touches_length;
if (touch_index >= static_cast<uint32_t>(WebTouchEvent::kTouchesLengthCap))
return;
const PP_TouchPoint& pp_pt = pp_touches[i].touch;
if (HasTouchPointWithId(web_touches, initial_web_touches_length, pp_pt.id))
continue;
web_touches[touch_index] = CreateWebTouchPoint(pp_pt, state);
++(*web_touches_length);
}
}
WebTouchEvent* BuildTouchEvent(const InputEventData& event) {
WebTouchEvent* web_event = new WebTouchEvent();
WebTouchPoint::State state = WebTouchPoint::State::kStateUndefined;
WebInputEvent::Type type = WebInputEvent::Type::kUndefined;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_TOUCHSTART:
type = WebInputEvent::Type::kTouchStart;
state = WebTouchPoint::State::kStatePressed;
break;
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
type = WebInputEvent::Type::kTouchMove;
state = WebTouchPoint::State::kStateMoved;
break;
case PP_INPUTEVENT_TYPE_TOUCHEND:
type = WebInputEvent::Type::kTouchEnd;
state = WebTouchPoint::State::kStateReleased;
break;
case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
type = WebInputEvent::Type::kTouchCancel;
state = WebTouchPoint::State::kStateCancelled;
break;
default:
NOTREACHED_IN_MIGRATION();
}
input::WebTouchEventTraits::ResetType(
type, base::TimeTicks() + base::Seconds(event.event_time_stamp),
web_event);
web_event->touches_length = 0;
// First add all changed touches, then add only the remaining unset
// (stationary) touches.
SetWebTouchPointsIfNotYetSet(event.changed_touches, state,
web_event->touches.data(),
&web_event->touches_length);
SetWebTouchPointsIfNotYetSet(
event.touches, WebTouchPoint::State::kStateStationary,
web_event->touches.data(), &web_event->touches_length);
return web_event;
}
WebKeyboardEvent* BuildKeyEvent(const InputEventData& event) {
WebInputEvent::Type type = WebInputEvent::Type::kUndefined;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
type = WebInputEvent::Type::kRawKeyDown;
break;
case PP_INPUTEVENT_TYPE_KEYDOWN:
type = WebInputEvent::Type::kKeyDown;
break;
case PP_INPUTEVENT_TYPE_KEYUP:
type = WebInputEvent::Type::kKeyUp;
break;
default:
NOTREACHED_IN_MIGRATION();
}
WebKeyboardEvent* key_event = new WebKeyboardEvent(
type, event.event_modifiers,
base::TimeTicks() + base::Seconds(event.event_time_stamp));
key_event->windows_key_code = event.key_code;
return key_event;
}
WebKeyboardEvent* BuildCharEvent(const InputEventData& event) {
WebKeyboardEvent* key_event = new WebKeyboardEvent(
WebInputEvent::Type::kChar, event.event_modifiers,
base::TimeTicks() + base::Seconds(event.event_time_stamp));
// Make sure to not read beyond the buffer in case some bad code doesn't
// NULL-terminate it (this is called from plugins).
std::u16string text16 = base::UTF8ToUTF16(event.character_text);
std::ranges::fill(key_event->text, 0);
std::ranges::fill(key_event->unmodified_text, 0);
for (size_t i = 0; i < std::min(key_event->text.size(), text16.size()); ++i) {
key_event->text[i] = text16[i];
}
return key_event;
}
WebMouseEvent* BuildMouseEvent(const InputEventData& event) {
WebInputEvent::Type type = WebInputEvent::Type::kUndefined;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
type = WebInputEvent::Type::kMouseDown;
break;
case PP_INPUTEVENT_TYPE_MOUSEUP:
type = WebInputEvent::Type::kMouseUp;
break;
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
type = WebInputEvent::Type::kMouseMove;
break;
case PP_INPUTEVENT_TYPE_MOUSEENTER:
type = WebInputEvent::Type::kMouseEnter;
break;
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
type = WebInputEvent::Type::kMouseLeave;
break;
case PP_INPUTEVENT_TYPE_CONTEXTMENU:
type = WebInputEvent::Type::kContextMenu;
break;
default:
NOTREACHED_IN_MIGRATION();
}
WebMouseEvent* mouse_event = new WebMouseEvent(
type, event.event_modifiers,
base::TimeTicks() + base::Seconds(event.event_time_stamp));
mouse_event->pointer_type = blink::WebPointerProperties::PointerType::kMouse;
mouse_event->button = static_cast<WebMouseEvent::Button>(event.mouse_button);
if (mouse_event->GetType() == WebInputEvent::Type::kMouseMove) {
if (mouse_event->GetModifiers() & WebInputEvent::kLeftButtonDown)
mouse_event->button = WebMouseEvent::Button::kLeft;
else if (mouse_event->GetModifiers() & WebInputEvent::kMiddleButtonDown)
mouse_event->button = WebMouseEvent::Button::kMiddle;
else if (mouse_event->GetModifiers() & WebInputEvent::kRightButtonDown)
mouse_event->button = WebMouseEvent::Button::kRight;
}
mouse_event->SetPositionInWidget(event.mouse_position.x,
event.mouse_position.y);
mouse_event->click_count = event.mouse_click_count;
mouse_event->movement_x = event.mouse_movement.x;
mouse_event->movement_y = event.mouse_movement.y;
return mouse_event;
}
WebMouseWheelEvent* BuildMouseWheelEvent(const InputEventData& event) {
WebMouseWheelEvent* mouse_wheel_event = new WebMouseWheelEvent(
WebInputEvent::Type::kMouseWheel, event.event_modifiers,
base::TimeTicks() + base::Seconds(event.event_time_stamp));
mouse_wheel_event->delta_x = event.wheel_delta.x;
mouse_wheel_event->delta_y = event.wheel_delta.y;
mouse_wheel_event->wheel_ticks_x = event.wheel_ticks.x;
mouse_wheel_event->wheel_ticks_y = event.wheel_ticks.y;
mouse_wheel_event->delta_units = event.wheel_scroll_by_page
? ui::ScrollGranularity::kScrollByPage
: ui::ScrollGranularity::kScrollByPixel;
return mouse_wheel_event;
}
#if !BUILDFLAG(IS_WIN)
#define VK_RETURN 0x0D
#define VK_PRIOR 0x21
#define VK_NEXT 0x22
#define VK_END 0x23
#define VK_HOME 0x24
#define VK_LEFT 0x25
#define VK_UP 0x26
#define VK_RIGHT 0x27
#define VK_DOWN 0x28
#define VK_SNAPSHOT 0x2C
#define VK_INSERT 0x2D
#define VK_DELETE 0x2E
#define VK_APPS 0x5D
#define VK_F1 0x70
#endif
// Convert a character string to a Windows virtual key code. Adapted from
// src/content/web_test/renderer/event_sender.cc. This
// is used by CreateSimulatedWebInputEvents to convert keyboard events.
void GetKeyCode(const std::string& char_text,
uint16_t* code,
uint16_t* text,
bool* needs_shift_modifier,
bool* generate_char) {
uint16_t vk_code = 0;
uint16_t vk_text = 0;
*needs_shift_modifier = false;
*generate_char = false;
if ("\n" == char_text) {
vk_text = vk_code = VK_RETURN;
*generate_char = true;
} else if ("rightArrow" == char_text) {
vk_code = VK_RIGHT;
} else if ("downArrow" == char_text) {
vk_code = VK_DOWN;
} else if ("leftArrow" == char_text) {
vk_code = VK_LEFT;
} else if ("upArrow" == char_text) {
vk_code = VK_UP;
} else if ("insert" == char_text) {
vk_code = VK_INSERT;
} else if ("delete" == char_text) {
vk_code = VK_DELETE;
} else if ("pageUp" == char_text) {
vk_code = VK_PRIOR;
} else if ("pageDown" == char_text) {
vk_code = VK_NEXT;
} else if ("home" == char_text) {
vk_code = VK_HOME;
} else if ("end" == char_text) {
vk_code = VK_END;
} else if ("printScreen" == char_text) {
vk_code = VK_SNAPSHOT;
} else if ("menu" == char_text) {
vk_code = VK_APPS;
} else {
// Compare the input string with the function-key names defined by the
// DOM spec (i.e. "F1",...,"F24").
for (int i = 1; i <= 24; ++i) {
std::string functionKeyName = base::StringPrintf("F%d", i);
if (functionKeyName == char_text) {
vk_code = VK_F1 + (i - 1);
break;
}
}
if (!vk_code) {
std::u16string char_text16 = base::UTF8ToUTF16(char_text);
DCHECK_EQ(char_text16.size(), 1U);
vk_text = vk_code = char_text16[0];
*needs_shift_modifier = base::IsAsciiUpper(vk_code & 0xFF);
if (base::IsAsciiLower(vk_code & 0xFF))
vk_code -= 'a' - 'A';
*generate_char = true;
}
}
*code = vk_code;
*text = vk_text;
}
} // namespace
void CreateInputEventData(
const WebInputEvent& event,
std::vector<InputEventData>* result) {
result->clear();
switch (event.GetType()) {
case WebInputEvent::Type::kMouseDown:
case WebInputEvent::Type::kMouseUp:
case WebInputEvent::Type::kMouseMove:
case WebInputEvent::Type::kMouseEnter:
case WebInputEvent::Type::kMouseLeave:
case WebInputEvent::Type::kContextMenu:
AppendMouseEvent(event, result);
break;
case WebInputEvent::Type::kMouseWheel:
AppendMouseWheelEvent(event, result);
break;
case WebInputEvent::Type::kRawKeyDown:
case WebInputEvent::Type::kKeyDown:
case WebInputEvent::Type::kKeyUp:
AppendKeyEvent(event, result);
break;
case WebInputEvent::Type::kChar:
AppendCharEvent(event, result);
break;
case WebInputEvent::Type::kTouchStart:
case WebInputEvent::Type::kTouchMove:
case WebInputEvent::Type::kTouchEnd:
case WebInputEvent::Type::kTouchCancel:
AppendTouchEvent(event, result);
break;
case WebInputEvent::Type::kUndefined:
default:
break;
}
}
WebInputEvent* CreateWebInputEvent(const InputEventData& event) {
std::unique_ptr<WebInputEvent> web_input_event;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_UNDEFINED:
return nullptr;
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
case PP_INPUTEVENT_TYPE_MOUSEUP:
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
case PP_INPUTEVENT_TYPE_MOUSEENTER:
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
case PP_INPUTEVENT_TYPE_CONTEXTMENU:
web_input_event.reset(BuildMouseEvent(event));
break;
case PP_INPUTEVENT_TYPE_WHEEL:
web_input_event.reset(BuildMouseWheelEvent(event));
break;
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
case PP_INPUTEVENT_TYPE_KEYDOWN:
case PP_INPUTEVENT_TYPE_KEYUP:
web_input_event.reset(BuildKeyEvent(event));
break;
case PP_INPUTEVENT_TYPE_CHAR:
web_input_event.reset(BuildCharEvent(event));
break;
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_START:
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE:
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_END:
case PP_INPUTEVENT_TYPE_IME_TEXT:
// TODO(kinaba) implement in WebKit an event structure to handle
// composition events.
NOTREACHED_IN_MIGRATION();
break;
case PP_INPUTEVENT_TYPE_TOUCHSTART:
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
case PP_INPUTEVENT_TYPE_TOUCHEND:
case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
web_input_event.reset(BuildTouchEvent(event));
break;
}
return web_input_event.release();
}
// Generate a coherent sequence of input events to simulate a user event.
// From src/content/web_test/renderer/event_sender.cc.
std::vector<std::unique_ptr<WebInputEvent>> CreateSimulatedWebInputEvents(
const ppapi::InputEventData& event,
int plugin_x,
int plugin_y) {
std::vector<std::unique_ptr<WebInputEvent>> events;
std::unique_ptr<WebInputEvent> original_event(CreateWebInputEvent(event));
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
case PP_INPUTEVENT_TYPE_MOUSEUP:
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
case PP_INPUTEVENT_TYPE_MOUSEENTER:
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
events.push_back(std::move(original_event));
break;
case PP_INPUTEVENT_TYPE_TOUCHSTART:
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
case PP_INPUTEVENT_TYPE_TOUCHEND:
case PP_INPUTEVENT_TYPE_TOUCHCANCEL: {
blink::WebTouchEvent* touch_event =
static_cast<blink::WebTouchEvent*>(original_event.get());
for (unsigned i = 0; i < touch_event->touches_length; ++i) {
const blink::WebTouchPoint& touch_point = touch_event->touches[i];
if (touch_point.state !=
blink::WebTouchPoint::State::kStateStationary) {
events.push_back(
std::make_unique<WebPointerEvent>(*touch_event, touch_point));
}
}
} break;
case PP_INPUTEVENT_TYPE_WHEEL: {
WebMouseWheelEvent* web_mouse_wheel_event =
static_cast<WebMouseWheelEvent*>(original_event.get());
web_mouse_wheel_event->SetPositionInWidget(plugin_x, plugin_y);
events.push_back(std::move(original_event));
break;
}
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
case PP_INPUTEVENT_TYPE_KEYDOWN:
case PP_INPUTEVENT_TYPE_KEYUP: {
// Windows key down events should always be "raw" to avoid an ASSERT.
#if BUILDFLAG(IS_WIN)
WebKeyboardEvent* web_keyboard_event =
static_cast<WebKeyboardEvent*>(original_event.get());
if (web_keyboard_event->GetType() == WebInputEvent::Type::kKeyDown)
web_keyboard_event->SetType(WebInputEvent::Type::kRawKeyDown);
#endif
events.push_back(std::move(original_event));
break;
}
case PP_INPUTEVENT_TYPE_CHAR: {
WebKeyboardEvent* web_char_event =
static_cast<WebKeyboardEvent*>(original_event.get());
uint16_t code = 0, text = 0;
bool needs_shift_modifier = false, generate_char = false;
GetKeyCode(event.character_text,
&code,
&text,
&needs_shift_modifier,
&generate_char);
// Synthesize key down and key up events in all cases.
std::unique_ptr<WebKeyboardEvent> key_down_event(new WebKeyboardEvent(
WebInputEvent::Type::kRawKeyDown,
needs_shift_modifier ? WebInputEvent::kShiftKey
: WebInputEvent::kNoModifiers,
web_char_event->TimeStamp()));
std::unique_ptr<WebKeyboardEvent> key_up_event(new WebKeyboardEvent());
key_down_event->windows_key_code = code;
key_down_event->native_key_code = code;
// If a char event is needed, set the text fields.
if (generate_char) {
key_down_event->text[0] = text;
key_down_event->unmodified_text[0] = text;
}
*key_up_event = *web_char_event = *key_down_event;
events.push_back(std::move(key_down_event));
if (generate_char) {
web_char_event->SetType(WebInputEvent::Type::kChar);
events.push_back(std::move(original_event));
}
key_up_event->SetType(WebInputEvent::Type::kKeyUp);
events.push_back(std::move(key_up_event));
break;
}
default:
break;
}
return events;
}
PP_InputEvent_Class ClassifyInputEvent(const WebInputEvent& event) {
switch (event.GetType()) {
case WebInputEvent::Type::kMouseDown:
case WebInputEvent::Type::kMouseUp:
case WebInputEvent::Type::kMouseMove:
case WebInputEvent::Type::kMouseEnter:
case WebInputEvent::Type::kMouseLeave:
case WebInputEvent::Type::kContextMenu:
return PP_INPUTEVENT_CLASS_MOUSE;
case WebInputEvent::Type::kMouseWheel:
return PP_INPUTEVENT_CLASS_WHEEL;
case WebInputEvent::Type::kRawKeyDown:
case WebInputEvent::Type::kKeyDown:
case WebInputEvent::Type::kKeyUp:
case WebInputEvent::Type::kChar:
return PP_INPUTEVENT_CLASS_KEYBOARD;
case WebInputEvent::Type::kTouchCancel:
case WebInputEvent::Type::kTouchEnd:
case WebInputEvent::Type::kTouchMove:
case WebInputEvent::Type::kTouchStart:
return PP_INPUTEVENT_CLASS_TOUCH;
case WebInputEvent::Type::kTouchScrollStarted:
return PP_InputEvent_Class(0);
default:
CHECK(WebInputEvent::IsGestureEventType(event.GetType()));
return PP_InputEvent_Class(0);
}
}
} // namespace content
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