ui/keyboard/keyboard.cc

   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 #include "ui/keyboard/keyboard.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/memory/singleton.h"
   9 #include "base/path_service.h"
  10 #include "content/public/browser/browser_context.h"
  11 #include "content/public/browser/web_ui_controller_factory.h"
  12 #include "ui/base/resource/resource_bundle.h"
  13 #include "ui/keyboard/keyboard_constants.h"
  14 #include "ui/keyboard/keyboard_ui_controller.h"
  15 #include "url/gurl.h"
  16
  17 namespace {
  18
  19 using content::BrowserContext;
  20 using content::WebUI;
  21 using content::WebUIController;
  22
  23 class KeyboardWebUIControllerFactory : public content::WebUIControllerFactory {
  24  public:
  25   // |WebUIControllerFactory| implementation:
  26   virtual content::WebUI::TypeID GetWebUIType(
  27       content::BrowserContext* browser_context,
  28       const GURL& url) const OVERRIDE {
  29     if (url == GURL(keyboard::kKeyboardWebUIURL))
  30       return const_cast<KeyboardWebUIControllerFactory*>(this);
  31
  32     return WebUI::kNoWebUI;
  33   }
  34   virtual bool UseWebUIForURL(content::BrowserContext* browser_context,
  35                               const GURL& url) const OVERRIDE {
  36     return GetWebUIType(browser_context, url) != WebUI::kNoWebUI;
  37   }
  38   virtual bool UseWebUIBindingsForURL(content::BrowserContext* browser_context,
  39                                       const GURL& url) const OVERRIDE {
  40     return UseWebUIForURL(browser_context, url);
  41   }
  42   virtual content::WebUIController* CreateWebUIControllerForURL(
  43       content::WebUI* web_ui,
  44       const GURL& url) const OVERRIDE {
  45     if (url == GURL(keyboard::kKeyboardWebUIURL))
  46       return new keyboard::KeyboardUIController(web_ui);
  47     return NULL;
  48   }
  49
  50   static KeyboardWebUIControllerFactory* GetInstance() {
  51     return Singleton<KeyboardWebUIControllerFactory>::get();
  52   }
  53
  54  protected:
  55   KeyboardWebUIControllerFactory() {}
  56   virtual ~KeyboardWebUIControllerFactory() {}
  57
  58  private:
  59   friend struct DefaultSingletonTraits<KeyboardWebUIControllerFactory>;
  60
  61   DISALLOW_COPY_AND_ASSIGN(KeyboardWebUIControllerFactory);
  62 };
  63
  64 }  // namespace
  65
  66 namespace keyboard {
  67
  68 void InitializeKeyboard() {
  69   static bool initialized = false;
  70   if (initialized)
  71     return;
  72   initialized = true;
  73
  74   base::FilePath pak_dir;
  75   PathService::Get(base::DIR_MODULE, &pak_dir);
  76   base::FilePath pak_file = pak_dir.Append(
  77       FILE_PATH_LITERAL("keyboard_resources.pak"));
  78   ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
  79       pak_file, ui::SCALE_FACTOR_100P);
  80
  81   content::WebUIControllerFactory::RegisterFactory(
  82       KeyboardWebUIControllerFactory::GetInstance());
  83 }
  84
  85 }  // namespace keyboard