chrome/browser/extensions/extension_commands_global_registry.h

   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_