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// Copyright (c) 2012 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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
#include <stdint.h>
#include <string>
#include "base/compiler_specific.h"
#include "content/browser/devtools/devtools_io_context.h"
#include "content/browser/devtools/protocol/devtools_protocol_delegate.h"
#include "content/common/content_export.h"
#include "content/common/devtools_messages.h"
#include "content/public/browser/devtools_agent_host.h"
namespace IPC {
class Message;
}
namespace content {
class BrowserContext;
// Describes interface for managing devtools agents from the browser process.
class CONTENT_EXPORT DevToolsAgentHostImpl : public DevToolsAgentHost,
public DevToolsProtocolDelegate {
public:
// Informs the hosted agent that a client host has attached.
virtual void Attach() = 0;
// Informs the hosted agent that a client host has detached.
virtual void Detach() = 0;
// Opens the inspector for this host.
void Inspect(BrowserContext* browser_context);
// DevToolsAgentHost implementation.
void AttachClient(DevToolsAgentHostClient* client) override;
void DetachClient() override;
bool IsAttached() override;
void InspectElement(int x, int y) override;
std::string GetId() override;
BrowserContext* GetBrowserContext() override;
WebContents* GetWebContents() override;
void DisconnectWebContents() override;
void ConnectWebContents(WebContents* wc) override;
// DevToolsProtocolDelegate implementation.
void SendProtocolResponse(int session_id,
const std::string& message) override;
void SendProtocolNotification(const std::string& message) override;
protected:
DevToolsAgentHostImpl();
~DevToolsAgentHostImpl() override;
void HostClosed();
void SendMessageToClient(int session_id, const std::string& message);
devtools::DevToolsIOContext* GetIOContext() { return &io_context_; }
int session_id() { DCHECK(client_); return session_id_; }
static void NotifyCallbacks(DevToolsAgentHostImpl* agent_host, bool attached);
private:
friend class DevToolsAgentHost; // for static methods
void InnerDetach();
const std::string id_;
int session_id_;
DevToolsAgentHostClient* client_;
devtools::DevToolsIOContext io_context_;
};
class DevToolsMessageChunkProcessor {
public:
using SendMessageCallback = base::Callback<void(int, const std::string&)>;
explicit DevToolsMessageChunkProcessor(const SendMessageCallback& callback);
~DevToolsMessageChunkProcessor();
std::string state_cookie() const { return state_cookie_; }
void set_state_cookie(const std::string& cookie) { state_cookie_ = cookie; }
int last_call_id() const { return last_call_id_; }
void ProcessChunkedMessageFromAgent(const DevToolsMessageChunk& chunk);
private:
SendMessageCallback callback_;
std::string message_buffer_;
uint32_t message_buffer_size_;
std::string state_cookie_;
int last_call_id_;
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
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