ui/wm/core/capture_controller_unittest.cc

   1 // Copyright (c) 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 "ui/wm/core/capture_controller.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/aura/client/capture_delegate.h"
   9 #include "ui/aura/env.h"
  10 #include "ui/aura/test/aura_test_base.h"
  11 #include "ui/aura/test/test_screen.h"
  12 #include "ui/aura/test/test_window_delegate.h"
  13 #include "ui/aura/window.h"
  14 #include "ui/aura/window_event_dispatcher.h"
  15 #include "ui/events/event.h"
  16 #include "ui/events/event_utils.h"
  17 #include "ui/events/test/event_generator.h"
  18
  19 namespace wm {
  20
  21 namespace {
  22
  23 // aura::client::CaptureDelegate which allows querying whether native capture
  24 // has been acquired.
  25 class TestCaptureDelegate : public aura::client::CaptureDelegate {
  26  public:
  27   TestCaptureDelegate() : has_capture_(false) {}
  28   ~TestCaptureDelegate() override {}
  29
  30   bool HasNativeCapture() const {
  31     return has_capture_;
  32   }
  33
  34   // aura::client::CaptureDelegate:
  35   void UpdateCapture(aura::Window* old_capture,
  36                      aura::Window* new_capture) override {}
  37   void OnOtherRootGotCapture() override {}
  38   void SetNativeCapture() override { has_capture_ = true; }
  39   void ReleaseNativeCapture() override { has_capture_ = false; }
  40
  41  private:
  42   bool has_capture_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(TestCaptureDelegate);
  45 };
  46
  47 }  // namespace
  48
  49 class CaptureControllerTest : public aura::test::AuraTestBase {
  50  public:
  51   CaptureControllerTest() {}
  52
  53   void SetUp() override {
  54     AuraTestBase::SetUp();
  55     capture_controller_.reset(new ScopedCaptureClient(root_window()));
  56
  57     second_host_.reset(aura::WindowTreeHost::Create(gfx::Rect(0, 0, 800, 600)));
  58     second_host_->InitHost();
  59     second_host_->window()->Show();
  60     second_host_->SetBounds(gfx::Rect(800, 600));
  61     second_capture_controller_.reset(
  62         new ScopedCaptureClient(second_host_->window()));
  63   }
  64
  65   void TearDown() override {
  66     RunAllPendingInMessageLoop();
  67
  68     second_capture_controller_.reset();
  69
  70     // Kill any active compositors before we hit the compositor shutdown paths.
  71     second_host_.reset();
  72
  73     capture_controller_.reset();
  74
  75     AuraTestBase::TearDown();
  76   }
  77
  78   aura::Window* GetCaptureWindow() {
  79     return capture_controller_->capture_client()->GetCaptureWindow();
  80   }
  81
  82   aura::Window* GetSecondCaptureWindow() {
  83     return second_capture_controller_->capture_client()->GetCaptureWindow();
  84   }
  85
  86   scoped_ptr<ScopedCaptureClient> capture_controller_;
  87   scoped_ptr<aura::WindowTreeHost> second_host_;
  88   scoped_ptr<ScopedCaptureClient> second_capture_controller_;
  89
  90   DISALLOW_COPY_AND_ASSIGN(CaptureControllerTest);
  91 };
  92
  93 // Makes sure that internal details that are set on mouse down (such as
  94 // mouse_pressed_handler()) are cleared when another root window takes capture.
  95 TEST_F(CaptureControllerTest, ResetMouseEventHandlerOnCapture) {
  96   // Create a window inside the WindowEventDispatcher.
  97   scoped_ptr<aura::Window> w1(CreateNormalWindow(1, root_window(), NULL));
  98
  99   // Make a synthesized mouse down event. Ensure that the WindowEventDispatcher
 100   // will dispatch further mouse events to |w1|.
 101   ui::MouseEvent mouse_pressed_event(ui::ET_MOUSE_PRESSED, gfx::Point(5, 5),
 102                                      gfx::Point(5, 5), ui::EventTimeForNow(), 0,
 103                                      0);
 104   DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
 105   EXPECT_EQ(w1.get(), host()->dispatcher()->mouse_pressed_handler());
 106
 107   // Build a window in the second WindowEventDispatcher.
 108   scoped_ptr<aura::Window> w2(
 109       CreateNormalWindow(2, second_host_->window(), NULL));
 110
 111   // The act of having the second window take capture should clear out mouse
 112   // pressed handler in the first WindowEventDispatcher.
 113   w2->SetCapture();
 114   EXPECT_EQ(NULL, host()->dispatcher()->mouse_pressed_handler());
 115 }
 116
 117 // Makes sure that when one window gets capture, it forces the release on the
 118 // other. This is needed has to be handled explicitly on Linux, and is a sanity
 119 // check on Windows.
 120 TEST_F(CaptureControllerTest, ResetOtherWindowCaptureOnCapture) {
 121   // Create a window inside the WindowEventDispatcher.
 122   scoped_ptr<aura::Window> w1(CreateNormalWindow(1, root_window(), NULL));
 123   w1->SetCapture();
 124   // Both capture clients should return the same capture window.
 125   EXPECT_EQ(w1.get(), GetCaptureWindow());
 126   EXPECT_EQ(w1.get(), GetSecondCaptureWindow());
 127
 128   // Build a window in the second WindowEventDispatcher and give it capture.
 129   // Both capture clients should return the same capture window.
 130   scoped_ptr<aura::Window> w2(
 131       CreateNormalWindow(2, second_host_->window(), NULL));
 132   w2->SetCapture();
 133   EXPECT_EQ(w2.get(), GetCaptureWindow());
 134   EXPECT_EQ(w2.get(), GetSecondCaptureWindow());
 135 }
 136
 137 // Verifies the touch target for the WindowEventDispatcher gets reset on
 138 // releasing capture.
 139 TEST_F(CaptureControllerTest, TouchTargetResetOnCaptureChange) {
 140   // Create a window inside the WindowEventDispatcher.
 141   scoped_ptr<aura::Window> w1(CreateNormalWindow(1, root_window(), NULL));
 142   ui::test::EventGenerator event_generator1(root_window());
 143   event_generator1.PressTouch();
 144   w1->SetCapture();
 145   // Both capture clients should return the same capture window.
 146   EXPECT_EQ(w1.get(), GetCaptureWindow());
 147   EXPECT_EQ(w1.get(), GetSecondCaptureWindow());
 148
 149   // Build a window in the second WindowEventDispatcher and give it capture.
 150   // Both capture clients should return the same capture window.
 151   scoped_ptr<aura::Window> w2(
 152       CreateNormalWindow(2, second_host_->window(), NULL));
 153   w2->SetCapture();
 154   EXPECT_EQ(w2.get(), GetCaptureWindow());
 155   EXPECT_EQ(w2.get(), GetSecondCaptureWindow());
 156
 157   // Release capture on the window. Releasing capture should reset the touch
 158   // target of the first WindowEventDispatcher (as it no longer contains the
 159   // capture target).
 160   w2->ReleaseCapture();
 161   EXPECT_EQ(static_cast<aura::Window*>(NULL), GetCaptureWindow());
 162   EXPECT_EQ(static_cast<aura::Window*>(NULL), GetSecondCaptureWindow());
 163 }
 164
 165 // Test that native capture is released properly when the window with capture
 166 // is reparented to a different root window while it has capture.
 167 TEST_F(CaptureControllerTest, ReparentedWhileCaptured) {
 168   scoped_ptr<TestCaptureDelegate> delegate(new TestCaptureDelegate);
 169   ScopedCaptureClient::TestApi(capture_controller_.get())
 170       .SetDelegate(delegate.get());
 171   scoped_ptr<TestCaptureDelegate> delegate2(new TestCaptureDelegate);
 172   ScopedCaptureClient::TestApi(second_capture_controller_.get())
 173       .SetDelegate(delegate2.get());
 174
 175   scoped_ptr<aura::Window> w(CreateNormalWindow(1, root_window(), NULL));
 176   w->SetCapture();
 177   EXPECT_EQ(w.get(), GetCaptureWindow());
 178   EXPECT_EQ(w.get(), GetSecondCaptureWindow());
 179   EXPECT_TRUE(delegate->HasNativeCapture());
 180   EXPECT_FALSE(delegate2->HasNativeCapture());
 181
 182   second_host_->window()->AddChild(w.get());
 183   EXPECT_EQ(w.get(), GetCaptureWindow());
 184   EXPECT_EQ(w.get(), GetSecondCaptureWindow());
 185   EXPECT_TRUE(delegate->HasNativeCapture());
 186   EXPECT_FALSE(delegate2->HasNativeCapture());
 187
 188   w->ReleaseCapture();
 189   EXPECT_EQ(nullptr, GetCaptureWindow());
 190   EXPECT_EQ(nullptr, GetSecondCaptureWindow());
 191   EXPECT_FALSE(delegate->HasNativeCapture());
 192   EXPECT_FALSE(delegate2->HasNativeCapture());
 193 }
 194
 195 }  // namespace wm