electron/atom/renderer/atom_render_frame_observer.h

68 lines
2.1 KiB
C++

// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_
#define ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_
#include <string>
#include "atom/renderer/renderer_client_base.h"
#include "base/strings/string16.h"
#include "content/public/renderer/render_frame_observer.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
namespace base {
class ListValue;
}
namespace atom {
enum World {
MAIN_WORLD = 0,
// Use a high number far away from 0 to not collide with any other world
// IDs created internally by Chrome.
ISOLATED_WORLD = 999
};
// Helper class to forward the messages to the client.
class AtomRenderFrameObserver : public content::RenderFrameObserver {
public:
AtomRenderFrameObserver(content::RenderFrame* frame,
RendererClientBase* renderer_client);
// content::RenderFrameObserver:
void DidClearWindowObject() override;
void DidCreateScriptContext(v8::Handle<v8::Context> context,
int world_id) override;
void DraggableRegionsChanged() override;
void WillReleaseScriptContext(v8::Local<v8::Context> context,
int world_id) override;
void OnDestruct() override;
bool OnMessageReceived(const IPC::Message& message) override;
void DidCreateDocumentElement() override;
protected:
virtual void EmitIPCEvent(blink::WebLocalFrame* frame,
const std::string& channel,
const base::ListValue& args);
private:
bool ShouldNotifyClient(int world_id);
void CreateIsolatedWorldContext();
bool IsMainWorld(int world_id);
bool IsIsolatedWorld(int world_id);
void OnBrowserMessage(bool send_to_all,
const std::string& channel,
const base::ListValue& args);
content::RenderFrame* render_frame_;
RendererClientBase* renderer_client_;
bool document_created_ = false;
DISALLOW_COPY_AND_ASSIGN(AtomRenderFrameObserver);
};
} // namespace atom
#endif // ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_