chromium/extensions/renderer/guest_view/mime_handler_view/post_message_support.cc

// 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 "extensions/renderer/guest_view/mime_handler_view/post_message_support.h"

#include "base/auto_reset.h"
#include "base/metrics/histogram_functions.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/v8_value_converter.h"
#include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container_manager.h"
#include "gin/arguments.h"
#include "gin/dictionary.h"
#include "gin/handle.h"
#include "gin/interceptor.h"
#include "gin/object_template_builder.h"
#include "gin/wrappable.h"
#include "third_party/blink/public/platform/scheduler/web_agent_group_scheduler.h"
#include "third_party/blink/public/web/web_frame.h"
#include "third_party/blink/public/web/web_local_frame.h"

namespace extensions {

namespace {

const char kPostMessageName[] = …;

// The gin-backed scriptable object which is exposed by the BrowserPlugin for
// PostMessageSupport. This currently only implements "postMessage".
class ScriptableObject : public gin::Wrappable<ScriptableObject>,
                         public gin::NamedPropertyInterceptor { … };

// static
gin::WrapperInfo ScriptableObject::kWrapperInfo = …;

}  // namespace

PostMessageSupport::Delegate::Delegate()
    : … { … }
PostMessageSupport::Delegate::~Delegate() = default;

// static
PostMessageSupport* PostMessageSupport::FromWebLocalFrame(
    blink::WebLocalFrame* web_local_frame) { … }

PostMessageSupport::PostMessageSupport(Delegate* delegate)
    : … { … }

PostMessageSupport::~PostMessageSupport() { … }

v8::Local<v8::Object> PostMessageSupport::GetScriptableObject(
    v8::Isolate* isolate) { … }

void PostMessageSupport::PostJavaScriptMessage(v8::Isolate* isolate,
                                               v8::Local<v8::Value> message) { … }

void PostMessageSupport::PostMessageFromValue(const base::Value& message) { … }

void PostMessageSupport::SetActive() { … }

}  // namespace extensions