src/chrome/browser/chromeos/extensions/input_method_api.h

   1 // Copyright (c) 2011 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_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_
   6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "extensions/browser/browser_context_keyed_api_factory.h"
  11 #include "extensions/browser/event_router.h"
  12 #include "extensions/browser/extension_function.h"
  13
  14 namespace chromeos {
  15 class ExtensionInputMethodEventRouter;
  16 }
  17
  18 namespace extensions {
  19
  20 // Implements the inputMethodPrivate.getInputMethodConfig  method.
  21 class GetInputMethodConfigFunction : public UIThreadExtensionFunction {
  22  public:
  23   GetInputMethodConfigFunction() {}
  24
  25  protected:
  26   virtual ~GetInputMethodConfigFunction() {}
  27
  28   virtual ResponseAction Run() override;
  29
  30  private:
  31   DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.getInputMethodConfig",
  32                              INPUTMETHODPRIVATE_GETINPUTMETHODCONFIG)
  33   DISALLOW_COPY_AND_ASSIGN(GetInputMethodConfigFunction);
  34 };
  35
  36 // Implements the inputMethodPrivate.getCurrentInputMethod method.
  37 class GetCurrentInputMethodFunction : public UIThreadExtensionFunction {
  38  public:
  39   GetCurrentInputMethodFunction() {}
  40
  41  protected:
  42   virtual ~GetCurrentInputMethodFunction() {}
  43
  44   virtual ResponseAction Run() override;
  45
  46  private:
  47   DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.getCurrentInputMethod",
  48                              INPUTMETHODPRIVATE_GETCURRENTINPUTMETHOD)
  49   DISALLOW_COPY_AND_ASSIGN(GetCurrentInputMethodFunction);
  50 };
  51
  52 // Implements the inputMethodPrivate.setCurrentInputMethod method.
  53 class SetCurrentInputMethodFunction : public UIThreadExtensionFunction {
  54  public:
  55   SetCurrentInputMethodFunction() {}
  56
  57  protected:
  58   virtual ~SetCurrentInputMethodFunction() {}
  59
  60   virtual ResponseAction Run() override;
  61
  62  private:
  63   DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.setCurrentInputMethod",
  64                              INPUTMETHODPRIVATE_SETCURRENTINPUTMETHOD)
  65   DISALLOW_COPY_AND_ASSIGN(SetCurrentInputMethodFunction);
  66 };
  67
  68 // Implements the inputMethodPrivate.getInputMethods method.
  69 class GetInputMethodsFunction : public UIThreadExtensionFunction {
  70  public:
  71   GetInputMethodsFunction() {}
  72
  73  protected:
  74   virtual ~GetInputMethodsFunction() {}
  75
  76   virtual ResponseAction Run() override;
  77
  78  private:
  79   DECLARE_EXTENSION_FUNCTION("inputMethodPrivate.getInputMethods",
  80                              INPUTMETHODPRIVATE_GETINPUTMETHODS)
  81   DISALLOW_COPY_AND_ASSIGN(GetInputMethodsFunction);
  82 };
  83
  84 class InputMethodAPI : public BrowserContextKeyedAPI,
  85                        public extensions::EventRouter::Observer {
  86  public:
  87   static const char kOnInputMethodChanged[];
  88
  89   explicit InputMethodAPI(content::BrowserContext* context);
  90   virtual ~InputMethodAPI();
  91
  92   // Returns input method name for the given XKB (X keyboard extensions in X
  93   // Window System) id.
  94   static std::string GetInputMethodForXkb(const std::string& xkb_id);
  95
  96   // BrowserContextKeyedAPI implementation.
  97   static BrowserContextKeyedAPIFactory<InputMethodAPI>* GetFactoryInstance();
  98
  99   // BrowserContextKeyedAPI implementation.
 100   virtual void Shutdown() override;
 101
 102   // EventRouter::Observer implementation.
 103   virtual void OnListenerAdded(const extensions::EventListenerInfo& details)
 104       override;
 105
 106  private:
 107   friend class BrowserContextKeyedAPIFactory<InputMethodAPI>;
 108
 109   // BrowserContextKeyedAPI implementation.
 110   static const char* service_name() {
 111     return "InputMethodAPI";
 112   }
 113   static const bool kServiceIsNULLWhileTesting = true;
 114
 115   content::BrowserContext* const context_;
 116
 117   // Created lazily upon OnListenerAdded.
 118   scoped_ptr<chromeos::ExtensionInputMethodEventRouter>
 119       input_method_event_router_;
 120
 121   DISALLOW_COPY_AND_ASSIGN(InputMethodAPI);
 122 };
 123
 124 }  // namespace extensions
 125
 126 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_H_