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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_MANAGER_IMPL_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_IMPL_H_
#include <map>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "content/browser/devtools/devtools_agent_host_impl.h"
#include "content/common/content_export.h"
#include "content/public/browser/devtools_client_host.h"
#include "content/public/browser/devtools_manager.h"
class GURL;
namespace IPC {
class Message;
}
namespace content {
class RenderViewHost;
// This class is a singleton that manages DevToolsClientHost instances and
// routes messages between developer tools clients and agents.
//
// Methods below that accept inspected RenderViewHost as a parameter are
// just convenience methods that call corresponding methods accepting
// DevToolAgentHost.
class CONTENT_EXPORT DevToolsManagerImpl
: public DevToolsAgentHostImpl::CloseListener,
public DevToolsManager {
public:
// Returns single instance of this class. The instance is destroyed on the
// browser main loop exit so this method MUST NOT be called after that point.
static DevToolsManagerImpl* GetInstance();
DevToolsManagerImpl();
virtual ~DevToolsManagerImpl();
void DispatchOnInspectorFrontend(DevToolsAgentHost* agent_host,
const std::string& message);
// DevToolsManager implementation
virtual bool DispatchOnInspectorBackend(DevToolsClientHost* from,
const std::string& message) OVERRIDE;
virtual void CloseAllClientHosts() OVERRIDE;
virtual DevToolsAgentHost* GetDevToolsAgentHostFor(
DevToolsClientHost* client_host) OVERRIDE;
virtual void RegisterDevToolsClientHostFor(
DevToolsAgentHost* agent_host,
DevToolsClientHost* client_host) OVERRIDE;
virtual void ClientHostClosing(DevToolsClientHost* host) OVERRIDE;
virtual void AddAgentStateCallback(const Callback& callback) OVERRIDE;
virtual void RemoveAgentStateCallback(const Callback& callback) OVERRIDE;
private:
friend class DevToolsAgentHostImpl;
friend class RenderViewDevToolsAgentHost;
friend struct DefaultSingletonTraits<DevToolsManagerImpl>;
// DevToolsAgentHost::CloseListener implementation.
virtual void AgentHostClosing(DevToolsAgentHostImpl* host) OVERRIDE;
void BindClientHost(DevToolsAgentHostImpl* agent_host,
DevToolsClientHost* client_host);
void UnbindClientHost(DevToolsAgentHostImpl* agent_host,
DevToolsClientHost* client_host);
DevToolsClientHost* GetDevToolsClientHostFor(
DevToolsAgentHostImpl* agent_host);
void UnregisterDevToolsClientHostFor(DevToolsAgentHostImpl* agent_host);
void NotifyObservers(DevToolsAgentHost* agent_host, bool attached);
// These two maps are for tracking dependencies between inspected contents and
// their DevToolsClientHosts. They are useful for routing devtools messages
// and allow us to have at most one devtools client host per contents.
//
// DevToolsManagerImpl starts listening to DevToolsClientHosts when they are
// put into these maps and removes them when they are closing.
typedef std::map<DevToolsAgentHostImpl*, DevToolsClientHost*>
AgentToClientHostMap;
AgentToClientHostMap agent_to_client_host_;
typedef std::map<DevToolsClientHost*, scoped_refptr<DevToolsAgentHostImpl> >
ClientToAgentHostMap;
ClientToAgentHostMap client_to_agent_host_;
typedef std::vector<const Callback*> CallbackContainer;
CallbackContainer callbacks_;
DISALLOW_COPY_AND_ASSIGN(DevToolsManagerImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_IMPL_H_
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