js_communication_host.cc | Explore in Territory

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/js_injection/browser/js_communication_host.h"

#include "base/functional/bind.h"
#include "base/functional/function_ref.h"
#include "base/strings/utf_string_conversions.h"
#include "components/js_injection/browser/js_to_browser_messaging.h"
#include "components/js_injection/browser/navigation_web_message_sender.h"
#include "components/js_injection/browser/web_message_host.h"
#include "components/js_injection/browser/web_message_host_factory.h"
#include "components/js_injection/common/origin_matcher.h"
#include "components/js_injection/common/origin_matcher_mojom_traits.h"
#include "content/public/browser/back_forward_cache.h"
#include "content/public/browser/page.h"
#include "content/public/browser/web_contents.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"

namespace js_injection {
namespace {

std::string ConvertToNativeAllowedOriginRulesWithSanityCheck(
    const std::vector<std::string>& allowed_origin_rules_strings,
    OriginMatcher& allowed_origin_rules) { … }

// Performs ForEachRenderFrameHost starting from `render_frame_host`, but skips
// any inner WebContents.
void ForEachRenderFrameHostWithinSameWebContents(
    content::RenderFrameHost* render_frame_host,
    base::FunctionRef<void(content::RenderFrameHost*)> func_ref) { … }

}  // namespace

struct JsObject { … };

DocumentStartJavaScript::DocumentStartJavaScript(
    std::u16string script,
    OriginMatcher allowed_origin_rules,
    int32_t script_id)
    : … { … }

JsCommunicationHost::AddScriptResult::AddScriptResult() = default;
JsCommunicationHost::AddScriptResult::AddScriptResult(
    const JsCommunicationHost::AddScriptResult&) = default;
JsCommunicationHost::AddScriptResult&
JsCommunicationHost::AddScriptResult::operator=(
    const JsCommunicationHost::AddScriptResult&) = default;
JsCommunicationHost::AddScriptResult::~AddScriptResult() = default;

// Holds a set of JsToBrowserMessaging objects for a frame and allows notifying
// the objects of renderer side messages.
class JsCommunicationHost::JsToBrowserMessagingList
    : public mojom::JsObjectsClient { … };

JsCommunicationHost::JsCommunicationHost(content::WebContents* web_contents)
    : … { … }

JsCommunicationHost::~JsCommunicationHost() = default;

JsCommunicationHost::AddScriptResult
JsCommunicationHost::AddDocumentStartJavaScript(
    const std::u16string& script,
    const std::vector<std::string>& allowed_origin_rules) { … }

bool JsCommunicationHost::RemoveDocumentStartJavaScript(int script_id) { … }

const std::vector<DocumentStartJavaScript>&
JsCommunicationHost::GetDocumentStartJavascripts() const { … }

std::u16string JsCommunicationHost::AddWebMessageHostFactory(
    std::unique_ptr<WebMessageHostFactory> factory,
    const std::u16string& js_object_name,
    const std::vector<std::string>& allowed_origin_rules) { … }

void JsCommunicationHost::RemoveWebMessageHostFactory(
    const std::u16string& js_object_name) { … }

std::vector<JsCommunicationHost::RegisteredFactory>
JsCommunicationHost::GetWebMessageHostFactories() { … }

void JsCommunicationHost::RenderFrameCreated(
    content::RenderFrameHost* render_frame_host) { … }

void JsCommunicationHost::RenderFrameDeleted(
    content::RenderFrameHost* render_frame_host) { … }

void JsCommunicationHost::RenderFrameHostStateChanged(
    content::RenderFrameHost* render_frame_host,
    content::RenderFrameHost::LifecycleState old_state,
    content::RenderFrameHost::LifecycleState new_state) { … }

void JsCommunicationHost::NotifyFrameForAllDocumentStartJavaScripts(
    content::RenderFrameHost* render_frame_host) { … }

void JsCommunicationHost::NotifyFrameForWebMessageListener(
    content::RenderFrameHost* render_frame_host) { … }

void JsCommunicationHost::PrimaryPageChanged(content::Page& page) { … }

void JsCommunicationHost::NotifyFrameForAddDocumentStartJavaScript(
    const DocumentStartJavaScript* script,
    content::RenderFrameHost* render_frame_host) { … }

void JsCommunicationHost::NotifyFrameForRemoveDocumentStartJavaScript(
    int32_t script_id,
    content::RenderFrameHost* render_frame_host) { … }

}  // namespace js_injection
chromium/components/js_injection/browser/js_communication_host.cc
