chrome/browser/ui/webui/options/chromeos/display_options_handler.h

   1 // Copyright (c) 2012 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_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_
   7
   8 #include <vector>
   9
  10 #include "ash/display/window_tree_host_manager.h"
  11 #include "chrome/browser/ui/webui/options/options_ui.h"
  12
  13 namespace base {
  14 class DictionaryValue;
  15 class ListValue;
  16 }
  17
  18 namespace chromeos {
  19 namespace options {
  20
  21 // Display options overlay page UI handler.
  22 class DisplayOptionsHandler : public ::options::OptionsPageUIHandler,
  23                               public ash::WindowTreeHostManager::Observer {
  24  public:
  25   DisplayOptionsHandler();
  26   ~DisplayOptionsHandler() override;
  27
  28   // OptionsPageUIHandler implementation.
  29   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
  30   void InitializePage() override;
  31
  32   // WebUIMessageHandler implementation.
  33   void RegisterMessages() override;
  34
  35   // ash::WindowTreeHostManager::Observer implementation.
  36   void OnDisplayConfigurationChanging() override;
  37   void OnDisplayConfigurationChanged() override;
  38
  39  private:
  40   // Sends all of the current display information to the web_ui of options page.
  41   void SendAllDisplayInfo();
  42
  43   // Sends the specified display information to the web_ui of options page.
  44   void SendDisplayInfo(const std::vector<gfx::Display>& displays);
  45
  46   // Enables or disables the display settings UI.
  47   void UpdateDisplaySettingsEnabled();
  48
  49   // Called when the fade-out animation for mirroring status change is finished.
  50   void OnFadeOutForMirroringFinished(bool is_mirroring);
  51
  52   // Called when the fade-out animation for secondary display layout change is
  53   // finished.  |layout| specifies the four positions of the secondary display
  54   // (left/right/top/bottom), and |offset| is the offset length from the
  55   // left/top edge of the primary display.
  56   void OnFadeOutForDisplayLayoutFinished(int layout, int offset);
  57
  58   // Handlers of JS messages.
  59   void HandleDisplayInfo(const base::ListValue* unused_args);
  60   void HandleMirroring(const base::ListValue* args);
  61   void HandleSetPrimary(const base::ListValue* args);
  62   void HandleDisplayLayout(const base::ListValue* args);
  63   void HandleSetDisplayMode(const base::ListValue* args);
  64   void HandleSetOrientation(const base::ListValue* args);
  65   void HandleSetColorProfile(const base::ListValue* args);
  66   void HandleSetUnifiedDesktopEnabled(const base::ListValue* args);
  67
  68   DISALLOW_COPY_AND_ASSIGN(DisplayOptionsHandler);
  69 };
  70
  71 }  // namespace options
  72 }  // namespace chromeos
  73
  74 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_