electron/shell/renderer/electron_render_frame_observer.h

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// 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 SHELL_RENDERER_ELECTRON_RENDER_FRAME_OBSERVER_H_
#define SHELL_RENDERER_ELECTRON_RENDER_FRAME_OBSERVER_H_
#include <string>
#include "content/public/renderer/render_frame_observer.h"
#include "ipc/ipc_platform_file.h"
#include "third_party/blink/public/web/web_local_frame.h"
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namespace electron {
class RendererClientBase;
// Helper class to forward the messages to the client.
class ElectronRenderFrameObserver : public content::RenderFrameObserver {
public:
ElectronRenderFrameObserver(content::RenderFrame* frame,
RendererClientBase* renderer_client);
// disable copy
ElectronRenderFrameObserver(const ElectronRenderFrameObserver&) = delete;
ElectronRenderFrameObserver& operator=(const ElectronRenderFrameObserver&) =
delete;
// content::RenderFrameObserver:
void DidClearWindowObject() override;
void DidInstallConditionalFeatures(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;
void DidMeaningfulLayout(blink::WebMeaningfulLayout layout_type) override;
private:
bool ShouldNotifyClient(int world_id);
void CreateIsolatedWorldContext();
bool IsMainWorld(int world_id);
bool IsIsolatedWorld(int world_id);
void OnTakeHeapSnapshot(IPC::PlatformFileForTransit file_handle,
const std::string& channel);
content::RenderFrame* render_frame_;
RendererClientBase* renderer_client_;
};
} // namespace electron
#endif // SHELL_RENDERER_ELECTRON_RENDER_FRAME_OBSERVER_H_