ui/aura/test/test_screen.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 "ui/aura/test/test_screen.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/aura/env.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/aura/window_event_dispatcher.h"
  11 #include "ui/aura/window_tree_host.h"
  12 #include "ui/gfx/geometry/rect_conversions.h"
  13 #include "ui/gfx/geometry/size_conversions.h"
  14 #include "ui/gfx/native_widget_types.h"
  15 #include "ui/gfx/screen.h"
  16
  17 namespace aura {
  18
  19 namespace {
  20
  21 bool IsRotationPortrait(gfx::Display::Rotation rotation) {
  22   return rotation == gfx::Display::ROTATE_90 ||
  23          rotation == gfx::Display::ROTATE_270;
  24 }
  25
  26 }  // namespace
  27
  28 // static
  29 TestScreen* TestScreen::Create(const gfx::Size& size) {
  30   const gfx::Size kDefaultSize(800, 600);
  31   // Use (0,0) because the desktop aura tests are executed in
  32   // native environment where the display's origin is (0,0).
  33   return new TestScreen(gfx::Rect(size.IsEmpty() ? kDefaultSize : size));
  34 }
  35
  36 // static
  37 TestScreen* TestScreen::CreateFullscreen() {
  38   return new TestScreen(gfx::Rect(WindowTreeHost::GetNativeScreenSize()));
  39 }
  40
  41 TestScreen::~TestScreen() {
  42 }
  43
  44 WindowTreeHost* TestScreen::CreateHostForPrimaryDisplay() {
  45   DCHECK(!host_);
  46   host_ = WindowTreeHost::Create(gfx::Rect(display_.GetSizeInPixel()));
  47   host_->window()->AddObserver(this);
  48   host_->InitHost();
  49   return host_;
  50 }
  51
  52 void TestScreen::SetDeviceScaleFactor(float device_scale_factor) {
  53   gfx::Rect bounds_in_pixel(display_.GetSizeInPixel());
  54   display_.SetScaleAndBounds(device_scale_factor, bounds_in_pixel);
  55   host_->OnHostResized(bounds_in_pixel.size());
  56 }
  57
  58 void TestScreen::SetDisplayRotation(gfx::Display::Rotation rotation) {
  59   gfx::Rect bounds_in_pixel(display_.GetSizeInPixel());
  60   gfx::Rect new_bounds(bounds_in_pixel);
  61   if (IsRotationPortrait(rotation) != IsRotationPortrait(display_.rotation())) {
  62     new_bounds.set_width(bounds_in_pixel.height());
  63     new_bounds.set_height(bounds_in_pixel.width());
  64   }
  65   display_.set_rotation(rotation);
  66   display_.SetScaleAndBounds(display_.device_scale_factor(), new_bounds);
  67   host_->SetRootTransform(GetRotationTransform() * GetUIScaleTransform());
  68 }
  69
  70 void TestScreen::SetUIScale(float ui_scale) {
  71   ui_scale_ = ui_scale;
  72   gfx::Rect bounds_in_pixel(display_.GetSizeInPixel());
  73   gfx::Rect new_bounds = gfx::ToNearestRect(
  74       gfx::ScaleRect(bounds_in_pixel, 1.0f / ui_scale));
  75   display_.SetScaleAndBounds(display_.device_scale_factor(), new_bounds);
  76   host_->SetRootTransform(GetRotationTransform() * GetUIScaleTransform());
  77 }
  78
  79 void TestScreen::SetWorkAreaInsets(const gfx::Insets& insets) {
  80   display_.UpdateWorkAreaFromInsets(insets);
  81 }
  82
  83 gfx::Transform TestScreen::GetRotationTransform() const {
  84   gfx::Transform rotate;
  85   switch (display_.rotation()) {
  86     case gfx::Display::ROTATE_0:
  87       break;
  88     case gfx::Display::ROTATE_90:
  89       rotate.Translate(display_.bounds().height(), 0);
  90       rotate.Rotate(90);
  91       break;
  92     case gfx::Display::ROTATE_270:
  93       rotate.Translate(0, display_.bounds().width());
  94       rotate.Rotate(270);
  95       break;
  96     case gfx::Display::ROTATE_180:
  97       rotate.Translate(display_.bounds().width(),
  98                        display_.bounds().height());
  99       rotate.Rotate(180);
 100       break;
 101   }
 102
 103   return rotate;
 104 }
 105
 106 gfx::Transform TestScreen::GetUIScaleTransform() const {
 107   gfx::Transform ui_scale;
 108   ui_scale.Scale(1.0f / ui_scale_, 1.0f / ui_scale_);
 109   return ui_scale;
 110 }
 111
 112 void TestScreen::OnWindowBoundsChanged(
 113     Window* window, const gfx::Rect& old_bounds, const gfx::Rect& new_bounds) {
 114   DCHECK_EQ(host_->window(), window);
 115   display_.SetSize(gfx::ToFlooredSize(
 116       gfx::ScaleSize(new_bounds.size(), display_.device_scale_factor())));
 117 }
 118
 119 void TestScreen::OnWindowDestroying(Window* window) {
 120   if (host_->window() == window)
 121     host_ = NULL;
 122 }
 123
 124 gfx::Point TestScreen::GetCursorScreenPoint() {
 125   return Env::GetInstance()->last_mouse_location();
 126 }
 127
 128 gfx::NativeWindow TestScreen::GetWindowUnderCursor() {
 129   return GetWindowAtScreenPoint(GetCursorScreenPoint());
 130 }
 131
 132 gfx::NativeWindow TestScreen::GetWindowAtScreenPoint(const gfx::Point& point) {
 133   return host_->window()->GetTopWindowContainingPoint(point);
 134 }
 135
 136 int TestScreen::GetNumDisplays() const {
 137   return 1;
 138 }
 139
 140 std::vector<gfx::Display> TestScreen::GetAllDisplays() const {
 141   return std::vector<gfx::Display>(1, display_);
 142 }
 143
 144 gfx::Display TestScreen::GetDisplayNearestWindow(
 145     gfx::NativeWindow window) const {
 146   return display_;
 147 }
 148
 149 gfx::Display TestScreen::GetDisplayNearestPoint(const gfx::Point& point) const {
 150   return display_;
 151 }
 152
 153 gfx::Display TestScreen::GetDisplayMatching(const gfx::Rect& match_rect) const {
 154   return display_;
 155 }
 156
 157 gfx::Display TestScreen::GetPrimaryDisplay() const {
 158   return display_;
 159 }
 160
 161 void TestScreen::AddObserver(gfx::DisplayObserver* observer) {
 162 }
 163
 164 void TestScreen::RemoveObserver(gfx::DisplayObserver* observer) {
 165 }
 166
 167 TestScreen::TestScreen(const gfx::Rect& screen_bounds)
 168     : host_(NULL),
 169       ui_scale_(1.0f) {
 170   static int64 synthesized_display_id = 2000;
 171   display_.set_id(synthesized_display_id++);
 172   display_.SetScaleAndBounds(1.0f, screen_bounds);
 173 }
 174
 175 }  // namespace aura