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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_COMMANDS_GLOBAL_REGISTRY_H_
      6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_COMMANDS_GLOBAL_REGISTRY_H_
      7 
      8 #include <map>
      9 #include <string>
     10 
     11 #include "base/compiler_specific.h"
     12 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
     13 #include "chrome/browser/extensions/extension_keybinding_registry.h"
     14 #include "chrome/browser/extensions/global_shortcut_listener.h"
     15 #include "ui/base/accelerators/accelerator.h"
     16 
     17 class Profile;
     18 
     19 namespace extensions {
     20 class Extension;
     21 }
     22 
     23 namespace extensions {
     24 
     25 // ExtensionCommandsGlobalRegistry is a class that handles the cross-platform
     26 // implementation of the global shortcut registration for the Extension Commands
     27 // API).
     28 // Note: It handles regular extension commands (not browserAction and pageAction
     29 // popups, which are not bindable to global shortcuts). This class registers the
     30 // accelerators on behalf of the extensions and routes the commands to them via
     31 // the BrowserEventRouter.
     32 class ExtensionCommandsGlobalRegistry
     33     : public ProfileKeyedAPI,
     34       public ExtensionKeybindingRegistry,
     35       public GlobalShortcutListener::Observer {
     36  public:
     37   // ProfileKeyedAPI implementation.
     38   static ProfileKeyedAPIFactory<
     39       ExtensionCommandsGlobalRegistry>* GetFactoryInstance();
     40 
     41   // Convenience method to get the ExtensionCommandsGlobalRegistry for a
     42   // profile.
     43   static ExtensionCommandsGlobalRegistry* Get(Profile* profile);
     44 
     45   explicit ExtensionCommandsGlobalRegistry(Profile* profile);
     46   virtual ~ExtensionCommandsGlobalRegistry();
     47 
     48  private:
     49   friend class ProfileKeyedAPIFactory<ExtensionCommandsGlobalRegistry>;
     50 
     51   // ProfileKeyedAPI implementation.
     52   static const char* service_name() {
     53     return "ExtensionCommandsGlobalRegistry";
     54   }
     55 
     56   // Overridden from ExtensionKeybindingRegistry:
     57   virtual void AddExtensionKeybinding(
     58       const Extension* extension,
     59       const std::string& command_name) OVERRIDE;
     60   virtual void RemoveExtensionKeybindingImpl(
     61       const ui::Accelerator& accelerator,
     62       const std::string& command_name) OVERRIDE;
     63 
     64   // Called by the GlobalShortcutListener object when a shortcut this class has
     65   // registered for has been pressed.
     66   virtual void OnKeyPressed(const ui::Accelerator& accelerator) OVERRIDE;
     67 
     68   // Weak pointer to our profile. Not owned by us.
     69   Profile* profile_;
     70 
     71   DISALLOW_COPY_AND_ASSIGN(ExtensionCommandsGlobalRegistry);
     72 };
     73 
     74 }  // namespace extensions
     75 
     76 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_COMMANDS_GLOBAL_REGISTRY_H_
     77