ash/screen_util.cc

   1 // Copyright 2014 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_util.h"
   6
   7 #include "ash/display/display_manager.h"
   8 #include "ash/root_window_controller.h"
   9 #include "ash/shelf/shelf_layout_manager.h"
  10 #include "ash/shelf/shelf_widget.h"
  11 #include "ash/shell.h"
  12 #include "ash/wm/coordinate_conversion.h"
  13 #include "base/logging.h"
  14 #include "ui/aura/client/screen_position_client.h"
  15 #include "ui/aura/window_event_dispatcher.h"
  16 #include "ui/gfx/display.h"
  17 #include "ui/gfx/geometry/size_conversions.h"
  18 #include "ui/gfx/screen.h"
  19
  20 namespace ash {
  21
  22 namespace {
  23 DisplayManager* GetDisplayManager() {
  24   return Shell::GetInstance()->display_manager();
  25 }
  26 }
  27
  28 // static
  29 gfx::Display ScreenUtil::FindDisplayContainingPoint(const gfx::Point& point) {
  30   return GetDisplayManager()->FindDisplayContainingPoint(point);
  31 }
  32
  33 // static
  34 gfx::Rect ScreenUtil::GetMaximizedWindowBoundsInParent(aura::Window* window) {
  35   if (GetRootWindowController(window->GetRootWindow())->shelf())
  36     return GetDisplayWorkAreaBoundsInParent(window);
  37   else
  38     return GetDisplayBoundsInParent(window);
  39 }
  40
  41 // static
  42 gfx::Rect ScreenUtil::GetDisplayBoundsInParent(aura::Window* window) {
  43   return ConvertRectFromScreen(
  44       window->parent(),
  45       Shell::GetScreen()->GetDisplayNearestWindow(window).bounds());
  46 }
  47
  48 // static
  49 gfx::Rect ScreenUtil::GetDisplayWorkAreaBoundsInParent(aura::Window* window) {
  50   return ConvertRectFromScreen(
  51       window->parent(),
  52       Shell::GetScreen()->GetDisplayNearestWindow(window).work_area());
  53 }
  54
  55 gfx::Rect ScreenUtil::GetShelfDisplayBoundsInScreen(aura::Window* window) {
  56   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
  57   if (display_manager->IsInUnifiedMode()) {
  58     // In unified desktop mode, there is only one shelf in the 1st display.
  59     const gfx::Display& first =
  60         display_manager->software_mirroring_display_list()[0];
  61     float scale =
  62         static_cast<float>(window->GetRootWindow()->bounds().height()) /
  63         first.size().height();
  64     gfx::SizeF size(first.size());
  65     size.Scale(scale, scale);
  66     return gfx::Rect(gfx::ToCeiledSize(size));
  67   } else {
  68     return gfx::Screen::GetScreenFor(window)
  69         ->GetDisplayNearestWindow(window)
  70         .bounds();
  71   }
  72 }
  73
  74 // static
  75 gfx::Rect ScreenUtil::ConvertRectToScreen(aura::Window* window,
  76                                          const gfx::Rect& rect) {
  77   gfx::Point point = rect.origin();
  78   aura::client::GetScreenPositionClient(window->GetRootWindow())->
  79       ConvertPointToScreen(window, &point);
  80   return gfx::Rect(point, rect.size());
  81 }
  82
  83 // static
  84 gfx::Rect ScreenUtil::ConvertRectFromScreen(aura::Window* window,
  85                                            const gfx::Rect& rect) {
  86   gfx::Point point = rect.origin();
  87   aura::client::GetScreenPositionClient(window->GetRootWindow())->
  88       ConvertPointFromScreen(window, &point);
  89   return gfx::Rect(point, rect.size());
  90 }
  91
  92 // static
  93 const gfx::Display& ScreenUtil::GetSecondaryDisplay() {
  94   DisplayManager* display_manager = GetDisplayManager();
  95   CHECK_LE(2U, display_manager->GetNumDisplays());
  96   return display_manager->GetDisplayAt(0).id() ==
  97       Shell::GetScreen()->GetPrimaryDisplay().id() ?
  98       display_manager->GetDisplayAt(1) : display_manager->GetDisplayAt(0);
  99 }
 100
 101 }  // namespace ash