ash/wm/window_positioner_unittest.cc

   1 // Copyright 2013 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/wm/window_positioner.h"
   6
   7 #include <string>
   8
   9 #include "ash/shell.h"
  10 #include "ash/shell/toplevel_window.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/test/test_shell_delegate.h"
  13 #include "ash/wm/window_positioner.h"
  14 #include "ash/wm/window_state.h"
  15 #include "base/strings/string_number_conversions.h"
  16 #include "ui/aura/window_event_dispatcher.h"
  17 #include "ui/gfx/screen.h"
  18 #include "ui/views/widget/widget.h"
  19 #include "ui/views/widget/widget_delegate.h"
  20
  21 namespace ash {
  22
  23 typedef test::AshTestBase WindowPositionerTest;
  24
  25 TEST_F(WindowPositionerTest, OpenMaximizedWindowOnSecondDisplay) {
  26   if (!SupportsMultipleDisplays())
  27     return;
  28   // Tests that for a screen that is narrower than kForceMaximizeWidthLimit
  29   // a new window gets maximized.
  30   UpdateDisplay("400x400,500x500");
  31   Shell::GetInstance()->set_target_root_window(
  32       Shell::GetAllRootWindows()[1]);
  33   shell::ToplevelWindow::CreateParams params;
  34   params.can_resize = true;
  35   params.can_maximize = true;
  36   views::Widget* widget =
  37       shell::ToplevelWindow::CreateToplevelWindow(params);
  38   EXPECT_EQ("400,0 500x453", widget->GetWindowBoundsInScreen().ToString());
  39 }
  40
  41 TEST_F(WindowPositionerTest, OpenDefaultWindowOnSecondDisplay) {
  42   if (!SupportsMultipleDisplays())
  43     return;
  44 #if defined(OS_WIN)
  45   ash::WindowPositioner::SetMaximizeFirstWindow(true);
  46 #endif
  47   UpdateDisplay("400x400,1400x900");
  48   aura::Window* second_root_window = Shell::GetAllRootWindows()[1];
  49   Shell::GetInstance()->set_target_root_window(
  50       second_root_window);
  51   shell::ToplevelWindow::CreateParams params;
  52   params.can_resize = true;
  53   params.can_maximize = true;
  54   views::Widget* widget =
  55       shell::ToplevelWindow::CreateToplevelWindow(params);
  56   gfx::Rect bounds = widget->GetWindowBoundsInScreen();
  57 #if defined(OS_WIN)
  58   EXPECT_TRUE(widget->IsMaximized());
  59 #else
  60   // The window should be in the 2nd display with the default size.
  61   EXPECT_EQ("300x300", bounds.size().ToString());
  62 #endif
  63   EXPECT_TRUE(Shell::GetScreen()->GetDisplayNearestWindow(
  64       second_root_window).bounds().Contains(bounds));
  65 }
  66
  67 // Tests that second window inherits first window's maximized state as well as
  68 // its restore bounds.
  69 TEST_F(WindowPositionerTest, SecondMaximizedWindowHasProperRestoreSize) {
  70 #if defined(OS_WIN)
  71   ash::WindowPositioner::SetMaximizeFirstWindow(true);
  72 #endif
  73   UpdateDisplay("1400x900");
  74   shell::ToplevelWindow::CreateParams params;
  75   params.can_resize = true;
  76   params.can_maximize = true;
  77   views::Widget* widget1 =
  78       shell::ToplevelWindow::CreateToplevelWindow(params);
  79   gfx::Rect bounds = widget1->GetWindowBoundsInScreen();
  80
  81 #if !defined(OS_WIN)
  82   // The window should have default size.
  83   EXPECT_FALSE(widget1->IsMaximized());
  84   EXPECT_EQ("300x300", bounds.size().ToString());
  85   widget1->Maximize();
  86 #endif
  87   // The window should be maximized.
  88   bounds = widget1->GetWindowBoundsInScreen();
  89   EXPECT_TRUE(widget1->IsMaximized());
  90   EXPECT_EQ("0,0 1400x853", bounds.ToString());
  91
  92   // Create another window
  93   views::Widget* widget2 =
  94       shell::ToplevelWindow::CreateToplevelWindow(params);
  95
  96   // The second window should be maximized.
  97   bounds = widget2->GetWindowBoundsInScreen();
  98   EXPECT_TRUE(widget2->IsMaximized());
  99   EXPECT_EQ("0,0 1400x853", bounds.ToString());
 100
 101   widget2->Restore();
 102   // Second window's restored size should be set to default size.
 103   bounds = widget2->GetWindowBoundsInScreen();
 104   EXPECT_EQ("300x300", bounds.size().ToString());
 105 }
 106
 107 namespace {
 108
 109 // A WidgetDelegate that returns the out of display saved bounds.
 110 class OutOfDisplayDelegate : public views::WidgetDelegate {
 111  public:
 112   explicit OutOfDisplayDelegate(views::Widget* widget) : widget_(widget) {}
 113   ~OutOfDisplayDelegate() override {}
 114
 115   // Overridden from WidgetDelegate:
 116   void DeleteDelegate() override { delete this; }
 117   views::Widget* GetWidget() override { return widget_; }
 118   const views::Widget* GetWidget() const override { return widget_; }
 119   bool GetSavedWindowPlacement(const views::Widget* widget,
 120                                gfx::Rect* bounds,
 121                                ui::WindowShowState* show_state) const override {
 122     bounds->SetRect(450, 10, 100, 100);
 123     *show_state = ui::SHOW_STATE_NORMAL;
 124     return true;
 125   }
 126
 127  private:
 128   views::Widget* widget_;
 129
 130   DISALLOW_COPY_AND_ASSIGN(OutOfDisplayDelegate);
 131 };
 132
 133 }  // namespace
 134
 135 TEST_F(WindowPositionerTest, EnsureMinimumVisibility) {
 136   if (!SupportsHostWindowResize())
 137     return;
 138
 139   UpdateDisplay("400x400");
 140   views::Widget* widget = new views::Widget();
 141   views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
 142   params.delegate = new OutOfDisplayDelegate(widget);
 143   params.context = Shell::GetPrimaryRootWindow();
 144   widget->Init(params);
 145   widget->SetBounds(gfx::Rect(450,10, 100, 100));
 146   wm::GetWindowState(widget->GetNativeView())->set_minimum_visibility(true);
 147   widget->Show();
 148   // Make sure the bounds is adjusted to be inside the work area.
 149   EXPECT_EQ("375,10 100x100", widget->GetWindowBoundsInScreen().ToString());
 150   widget->CloseNow();
 151 }
 152
 153 // In general case on first run the browser window will be maximized only for
 154 // low resolution screens (width < 1366). In case of big screens the browser is
 155 // opened being not maximized. To enforce maximization for all screen
 156 // resolutions, one can set "ForceMaximizeBrowserWindowOnFirstRun"
 157 // policy. In the following tests we check if the window will be opened in
 158 // maximized mode for low and high resolution when this policy is set.
 159 TEST_F(WindowPositionerTest, FirstRunMaximizeWindowHighResloution) {
 160   const int width = ash::WindowPositioner::GetForceMaximizedWidthLimit() + 100;
 161   // Set resolution to 1466x300.
 162   const std::string resolution = base::IntToString(width) + "x300";
 163   UpdateDisplay(resolution);
 164   gfx::Rect bounds_in_out(0, 0, 320, 240);  // Random bounds.
 165   ui::WindowShowState show_state_out = ui::SHOW_STATE_DEFAULT;
 166
 167   test::TestShellDelegate* const delegate =
 168       static_cast<test::TestShellDelegate*>(Shell::GetInstance()->delegate());
 169   delegate->SetForceMaximizeOnFirstRun(true);
 170
 171   WindowPositioner::GetBoundsAndShowStateForNewWindow(
 172       Shell::GetScreen(), nullptr, false, ui::SHOW_STATE_DEFAULT,
 173       &bounds_in_out, &show_state_out);
 174
 175   EXPECT_EQ(show_state_out, ui::SHOW_STATE_MAXIMIZED);
 176 }
 177
 178 // For detail see description of FirstRunMaximizeWindowHighResloution.
 179 TEST_F(WindowPositionerTest, FirstRunMaximizeWindowLowResolution) {
 180   const int width = ash::WindowPositioner::GetForceMaximizedWidthLimit() - 100;
 181   // Set resolution to 1266x300.
 182   const std::string resolution = base::IntToString(width) + "x300";
 183   UpdateDisplay(resolution);
 184   gfx::Rect bounds_in_out(0, 0, 320, 240);  // Random bounds.
 185   ui::WindowShowState show_state_out = ui::SHOW_STATE_DEFAULT;
 186
 187   test::TestShellDelegate* const delegate =
 188       static_cast<test::TestShellDelegate*>(Shell::GetInstance()->delegate());
 189   delegate->SetForceMaximizeOnFirstRun(true);
 190
 191   WindowPositioner::GetBoundsAndShowStateForNewWindow(
 192       Shell::GetScreen(), nullptr, false, ui::SHOW_STATE_DEFAULT,
 193       &bounds_in_out, &show_state_out);
 194
 195   EXPECT_EQ(show_state_out, ui::SHOW_STATE_MAXIMIZED);
 196 }
 197
 198 }  // namespace