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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEB_VIEW_FRAME_DEVTOOLS_AGENT_H_
#define COMPONENTS_WEB_VIEW_FRAME_DEVTOOLS_AGENT_H_
#include <map>
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "components/devtools_service/public/interfaces/devtools_service.mojom.h"
#include "components/web_view/frame.h"
#include "mojo/public/cpp/bindings/binding.h"
namespace base {
class DictionaryValue;
}
namespace mojo {
class ApplicationImpl;
}
namespace web_view {
class FrameDevToolsAgentDelegate;
// FrameDevToolsAgent relays messages between the DevTools service and the
// DevTools agent of the frame that it attaches to.
// It persists state across frame navigations and also intercepts
// "Page.navigate" requests.
class FrameDevToolsAgent : public devtools_service::DevToolsAgent {
public:
FrameDevToolsAgent(mojo::ApplicationImpl* app,
FrameDevToolsAgentDelegate* delegate);
~FrameDevToolsAgent() override;
// Attaches this agent to a new frame. |forward_agent| is the DevToolsAgent
// interface provided by the frame. DevTools-related properties are added to
// |devtools_properties|, which should be passed to the frame to initialize
// its DevTools agent.
void AttachFrame(devtools_service::DevToolsAgentPtr forward_agent,
Frame::ClientPropertyMap* devtools_properties);
private:
class FrameDevToolsAgentClient;
void RegisterAgentIfNecessary();
void HandlePageNavigateRequest(const base::DictionaryValue* request);
// devtools_service::DevToolsAgent implementation.
void SetClient(devtools_service::DevToolsAgentClientPtr client) override;
void DispatchProtocolMessage(const mojo::String& message) override;
// The following methods are called by |client_impl_|.
void OnReceivedClientMessage(int32_t call_id,
const mojo::String& message,
const mojo::String& state);
void OnForwardClientClosed();
mojo::ApplicationImpl* const app_;
FrameDevToolsAgentDelegate* const delegate_;
const std::string id_;
scoped_ptr<FrameDevToolsAgentClient> client_impl_;
mojo::Binding<DevToolsAgent> binding_;
// The DevToolsAgent interface provided by the frame. This class will forward
// DevToolsAgent method calls it receives to |forward_agent_|.
devtools_service::DevToolsAgentPtr forward_agent_;
std::string state_;
std::map<int, std::string> pending_messages_;
DISALLOW_COPY_AND_ASSIGN(FrameDevToolsAgent);
};
} // namespace web_view
#endif // COMPONENTS_WEB_VIEW_FRAME_DEVTOOLS_AGENT_H_
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