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// Copyright (c) 2009 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 CHROME_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_
#define CHROME_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_
#include <map>
#include "base/ref_counted.h"
#include "chrome/browser/debugger/devtools_client_host.h"
namespace IPC {
class Message;
}
class GURL;
class RenderViewHost;
// This class is a singleton that manages DevToolsClientHost instances and
// routes messages between developer tools clients and agents.
class DevToolsManager : public DevToolsClientHost::CloseListener,
public base::RefCounted<DevToolsManager> {
public:
DevToolsManager();
virtual ~DevToolsManager();
// Returns DevToolsClientHost registered for |inspected_rvh| or NULL if
// there is no alive DevToolsClientHost registered for |inspected_rvh|.
DevToolsClientHost* GetDevToolsClientHostFor(RenderViewHost* inspected_rvh);
// Registers new DevToolsClientHost for |inspected_rvh|. There must be no
// other DevToolsClientHosts registered for the RenderViewHost at the moment.
void RegisterDevToolsClientHostFor(RenderViewHost* inspected_rvh,
DevToolsClientHost* client_host);
void UnregisterDevToolsClientHostFor(RenderViewHost* inspected_rvh);
void ForwardToDevToolsAgent(RenderViewHost* client_rvh,
const IPC::Message& message);
void ForwardToDevToolsAgent(DevToolsClientHost* from,
const IPC::Message& message);
void ForwardToDevToolsClient(RenderViewHost* inspected_rvh,
const IPC::Message& message);
void OpenDevToolsWindow(RenderViewHost* inspected_rvh);
// Starts element inspection in the devtools client.
// Creates one by means of OpenDevToolsWindow if no client
// exists.
void InspectElement(RenderViewHost* inspected_rvh, int x, int y);
// Sends 'Attach' message to the agent using |dest_rvh| in case
// there is a DevToolsClientHost registered for the |inspected_rvh|.
void OnNavigatingToPendingEntry(RenderViewHost* inspected_rvh,
RenderViewHost* dest_rvh,
const GURL& gurl);
private:
// DevToolsClientHost::CloseListener override.
// This method will remove all references from the manager to the
// DevToolsClientHost and unregister all listeners related to the
// DevToolsClientHost.
virtual void ClientHostClosing(DevToolsClientHost* host);
// Returns RenderViewHost for the tab that is inspected by devtools
// client hosted by DevToolsClientHost.
RenderViewHost* GetInspectedRenderViewHost(DevToolsClientHost* client_host);
void SendAttachToAgent(RenderViewHost* inspected_rvh);
void SendDetachToAgent(RenderViewHost* inspected_rvh);
void ForceReopenWindow();
// These two maps are for tracking dependencies between inspected tabs and
// their DevToolsClientHosts. They are usful for routing devtools messages
// and allow us to have at most one devtools client host per tab. We use
// NavigationController* as key because it survives crosee-site navigation in
// cases when tab contents may change.
//
// DevToolsManager start listening to DevToolsClientHosts when they are put
// into these maps and removes them when they are closing.
typedef std::map<RenderViewHost*, DevToolsClientHost*>
InspectedRvhToClientHostMap;
InspectedRvhToClientHostMap inspected_rvh_to_client_host_;
typedef std::map<DevToolsClientHost*, RenderViewHost*>
ClientHostToInspectedRvhMap;
ClientHostToInspectedRvhMap client_host_to_inspected_rvh_;
RenderViewHost* inspected_rvh_for_reopen_;
DISALLOW_COPY_AND_ASSIGN(DevToolsManager);
};
#endif // CHROME_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_
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