75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
// Copyright (c) 2017 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_
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#define ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_
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#include <string>
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#include "atom/renderer/renderer_client_base.h"
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#include "base/strings/string16.h"
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#include "content/public/renderer/render_frame_observer.h"
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#include "ipc/ipc_platform_file.h"
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#include "third_party/blink/public/web/web_local_frame.h"
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namespace base {
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class ListValue;
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}
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namespace atom {
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enum World {
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MAIN_WORLD = 0,
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// Use a high number far away from 0 to not collide with any other world
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// IDs created internally by Chrome.
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ISOLATED_WORLD = 999
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};
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// Helper class to forward the messages to the client.
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class AtomRenderFrameObserver : public content::RenderFrameObserver {
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public:
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AtomRenderFrameObserver(content::RenderFrame* frame,
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RendererClientBase* renderer_client);
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// content::RenderFrameObserver:
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void DidClearWindowObject() override;
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void DidCreateScriptContext(v8::Handle<v8::Context> context,
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int world_id) override;
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void DraggableRegionsChanged() override;
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void WillReleaseScriptContext(v8::Local<v8::Context> context,
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int world_id) override;
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void OnDestruct() override;
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bool OnMessageReceived(const IPC::Message& message) override;
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void DidCreateDocumentElement() override;
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protected:
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virtual void EmitIPCEvent(blink::WebLocalFrame* frame,
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bool internal,
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const std::string& channel,
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const base::ListValue& args,
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int32_t sender_id);
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private:
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bool ShouldNotifyClient(int world_id);
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void CreateIsolatedWorldContext();
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bool IsMainWorld(int world_id);
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bool IsIsolatedWorld(int world_id);
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void OnBrowserMessage(bool internal,
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bool send_to_all,
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const std::string& channel,
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const base::ListValue& args,
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int32_t sender_id);
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void OnTakeHeapSnapshot(IPC::PlatformFileForTransit file_handle,
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const std::string& channel);
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content::RenderFrame* render_frame_;
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RendererClientBase* renderer_client_;
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bool document_created_ = false;
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DISALLOW_COPY_AND_ASSIGN(AtomRenderFrameObserver);
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};
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} // namespace atom
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#endif // ATOM_RENDERER_ATOM_RENDER_FRAME_OBSERVER_H_
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