chrome/browser/ui/webui/options/chromeos/display_overscan_handler.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_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OVERSCAN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OVERSCAN_HANDLER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/ui/webui/options/options_ui.h"
  10 #include "ui/gfx/display_observer.h"
  11
  12 namespace base {
  13 class DictionaryValue;
  14 class ListValue;
  15 }
  16
  17 namespace chromeos {
  18 class OverscanCalibrator;
  19
  20 namespace options {
  21
  22 // Display options overlay page UI handler.
  23 class DisplayOverscanHandler : public ::options::OptionsPageUIHandler,
  24                                public gfx::DisplayObserver {
  25  public:
  26   DisplayOverscanHandler();
  27   ~DisplayOverscanHandler() override;
  28
  29   // OptionsPageUIHandler implementation.
  30   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
  31
  32   // WebUIMessageHandler implementation.
  33   void RegisterMessages() override;
  34
  35   // gfx::DisplayObserver implementation.
  36   void OnDisplayAdded(const gfx::Display& new_display) override;
  37   void OnDisplayRemoved(const gfx::Display& old_display) override;
  38   void OnDisplayMetricsChanged(const gfx::Display& display,
  39                                uint32_t metrics) override;
  40
  41  private:
  42   // Handlers of JS messages.
  43   void HandleStart(const base::ListValue* args);
  44   void HandleCommit(const base::ListValue* unused_args);
  45   void HandleReset(const base::ListValue* unused_args);
  46   void HandleCancel(const base::ListValue* unused_args);
  47   void HandleMove(const base::ListValue* args);
  48   void HandleResize(const base::ListValue* args);
  49
  50   scoped_ptr<OverscanCalibrator> overscan_calibrator_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(DisplayOverscanHandler);
  53 };
  54
  55 }  // namespace options
  56 }  // namespace chromeos
  57
  58 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_DISPLAY_OVERSCAN_HANDLER_H_