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