ash/screen_ash.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 "ash/screen_ash.h"
   6
   7 #include "ash/display/display_controller.h"
   8 #include "ash/display/display_manager.h"
   9 #include "ash/root_window_controller.h"
  10 #include "ash/shelf/shelf_layout_manager.h"
  11 #include "ash/shelf/shelf_widget.h"
  12 #include "ash/shell.h"
  13 #include "ash/wm/property_util.h"
  14 #include "ash/wm/coordinate_conversion.h"
  15 #include "base/logging.h"
  16 #include "ui/aura/client/screen_position_client.h"
  17 #include "ui/aura/env.h"
  18 #include "ui/aura/root_window.h"
  19 #include "ui/gfx/display.h"
  20 #include "ui/gfx/screen.h"
  21
  22 namespace ash {
  23
  24 namespace {
  25 internal::DisplayManager* GetDisplayManager() {
  26   return Shell::GetInstance()->display_manager();
  27 }
  28 }  // namespace
  29
  30 ScreenAsh::ScreenAsh() {
  31 }
  32
  33 ScreenAsh::~ScreenAsh() {
  34 }
  35
  36 // static
  37 gfx::Display ScreenAsh::FindDisplayContainingPoint(const gfx::Point& point) {
  38   return GetDisplayManager()->FindDisplayContainingPoint(point);
  39 }
  40
  41 // static
  42 gfx::Rect ScreenAsh::GetMaximizedWindowBoundsInParent(aura::Window* window) {
  43   if (GetRootWindowController(window->GetRootWindow())->shelf())
  44     return GetDisplayWorkAreaBoundsInParent(window);
  45   else
  46     return GetDisplayBoundsInParent(window);
  47 }
  48
  49 // static
  50 gfx::Rect ScreenAsh::GetDisplayBoundsInParent(aura::Window* window) {
  51   return ConvertRectFromScreen(
  52       window->parent(),
  53       Shell::GetScreen()->GetDisplayNearestWindow(window).bounds());
  54 }
  55
  56 // static
  57 gfx::Rect ScreenAsh::GetDisplayWorkAreaBoundsInParent(aura::Window* window) {
  58   return ConvertRectFromScreen(
  59       window->parent(),
  60       Shell::GetScreen()->GetDisplayNearestWindow(window).work_area());
  61 }
  62
  63 // static
  64 gfx::Rect ScreenAsh::ConvertRectToScreen(aura::Window* window,
  65                                          const gfx::Rect& rect) {
  66   gfx::Point point = rect.origin();
  67   aura::client::GetScreenPositionClient(window->GetRootWindow())->
  68       ConvertPointToScreen(window, &point);
  69   return gfx::Rect(point, rect.size());
  70 }
  71
  72 // static
  73 gfx::Rect ScreenAsh::ConvertRectFromScreen(aura::Window* window,
  74                                            const gfx::Rect& rect) {
  75   gfx::Point point = rect.origin();
  76   aura::client::GetScreenPositionClient(window->GetRootWindow())->
  77       ConvertPointFromScreen(window, &point);
  78   return gfx::Rect(point, rect.size());
  79 }
  80
  81 // static
  82 const gfx::Display& ScreenAsh::GetSecondaryDisplay() {
  83   return *(Shell::GetInstance()->display_controller()->GetSecondaryDisplay());
  84 }
  85
  86 // static
  87 const gfx::Display& ScreenAsh::GetDisplayForId(int64 display_id) {
  88   return GetDisplayManager()->GetDisplayForId(display_id);
  89 }
  90
  91 void ScreenAsh::NotifyBoundsChanged(const gfx::Display& display) {
  92   FOR_EACH_OBSERVER(gfx::DisplayObserver, observers_,
  93                     OnDisplayBoundsChanged(display));
  94 }
  95
  96 void ScreenAsh::NotifyDisplayAdded(const gfx::Display& display) {
  97   FOR_EACH_OBSERVER(gfx::DisplayObserver, observers_, OnDisplayAdded(display));
  98 }
  99
 100 void ScreenAsh::NotifyDisplayRemoved(const gfx::Display& display) {
 101   FOR_EACH_OBSERVER(
 102       gfx::DisplayObserver, observers_, OnDisplayRemoved(display));
 103 }
 104
 105 bool ScreenAsh::IsDIPEnabled() {
 106   return true;
 107 }
 108
 109 gfx::Point ScreenAsh::GetCursorScreenPoint() {
 110   return aura::Env::GetInstance()->last_mouse_location();
 111 }
 112
 113 gfx::NativeWindow ScreenAsh::GetWindowAtCursorScreenPoint() {
 114   const gfx::Point point = Shell::GetScreen()->GetCursorScreenPoint();
 115   return wm::GetRootWindowAt(point)->GetTopWindowContainingPoint(point);
 116 }
 117
 118 int ScreenAsh::GetNumDisplays() {
 119   return DisplayController::GetNumDisplays();
 120 }
 121
 122 gfx::Display ScreenAsh::GetDisplayNearestWindow(gfx::NativeView window) const {
 123   return GetDisplayManager()->GetDisplayNearestWindow(window);
 124 }
 125
 126 gfx::Display ScreenAsh::GetDisplayNearestPoint(const gfx::Point& point) const {
 127   return GetDisplayManager()->GetDisplayNearestPoint(point);
 128 }
 129
 130 gfx::Display ScreenAsh::GetDisplayMatching(const gfx::Rect& match_rect) const {
 131   return GetDisplayManager()->GetDisplayMatching(match_rect);
 132 }
 133
 134 gfx::Display ScreenAsh::GetPrimaryDisplay() const {
 135   return DisplayController::GetPrimaryDisplay();
 136 }
 137
 138 void ScreenAsh::AddObserver(gfx::DisplayObserver* observer) {
 139   observers_.AddObserver(observer);
 140 }
 141
 142 void ScreenAsh::RemoveObserver(gfx::DisplayObserver* observer) {
 143   observers_.RemoveObserver(observer);
 144 }
 145
 146 }  // namespace ash