| // Copyright (c) 2013 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_EXTENSIONS_EXTENSION_RENDERER_STATE_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_RENDERER_STATE_H_ |
| |
| #include <map> |
| #include <set> |
| #include <string> |
| #include <utility> |
| |
| #include "base/macros.h" |
| #include "base/memory/singleton.h" |
| |
| namespace content { |
| class ResourceRequestInfo; |
| } |
| |
| // This class keeps track of renderer state for use on the IO thread. All |
| // methods should be called on the IO thread except for Init and Shutdown. |
| class ExtensionRendererState { |
| public: |
| static ExtensionRendererState* GetInstance(); |
| |
| // These are called on the UI thread to start and stop listening to tab |
| // notifications. |
| void Init(); |
| void Shutdown(); |
| |
| // Looks up the tab and window ID for a given request. Returns true if we have |
| // the IDs in our map. Called on the IO thread. |
| bool GetTabAndWindowId( |
| const content::ResourceRequestInfo* info, int* tab_id, int* window_id); |
| |
| private: |
| class RenderViewHostObserver; |
| class TabObserver; |
| friend class TabObserver; |
| friend struct base::DefaultSingletonTraits<ExtensionRendererState>; |
| |
| typedef std::pair<int, int> RenderId; |
| typedef std::pair<int, int> TabAndWindowId; |
| typedef std::map<RenderId, TabAndWindowId> TabAndWindowIdMap; |
| |
| ExtensionRendererState(); |
| ~ExtensionRendererState(); |
| |
| // Adds or removes a render view from our map. |
| void SetTabAndWindowId( |
| int render_process_host_id, int routing_id, int tab_id, int window_id); |
| void ClearTabAndWindowId( |
| int render_process_host_id, int routing_id); |
| |
| TabObserver* observer_; |
| TabAndWindowIdMap map_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionRendererState); |
| }; |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_RENDERER_STATE_H_ |