chrome/browser/ui/gtk/panels/display_settings_provider_gtk.cc

   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 #include "chrome/browser/ui/panels/display_settings_provider.h"
   6 #include "ui/base/work_area_watcher_observer.h"
   7 #include "ui/base/x/work_area_watcher_x.h"
   8
   9 namespace {
  10
  11 class DisplaySettingsProviderGtk : public DisplaySettingsProvider,
  12                                    public ui::WorkAreaWatcherObserver {
  13  public:
  14   DisplaySettingsProviderGtk();
  15   virtual ~DisplaySettingsProviderGtk();
  16
  17  protected:
  18   // Overridden from ui::WorkAreaWatcherObserver:
  19   virtual void WorkAreaChanged() OVERRIDE;
  20
  21  private:
  22   DISALLOW_COPY_AND_ASSIGN(DisplaySettingsProviderGtk);
  23 };
  24
  25 DisplaySettingsProviderGtk::DisplaySettingsProviderGtk() {
  26   ui::WorkAreaWatcherX::AddObserver(this);
  27 }
  28
  29 DisplaySettingsProviderGtk::~DisplaySettingsProviderGtk() {
  30   ui::WorkAreaWatcherX::RemoveObserver(this);
  31 }
  32
  33 void DisplaySettingsProviderGtk::WorkAreaChanged() {
  34   OnDisplaySettingsChanged();
  35 }
  36
  37 }  // namespace
  38
  39 // static
  40 DisplaySettingsProvider* DisplaySettingsProvider::Create() {
  41   return new DisplaySettingsProviderGtk();
  42 }