src/ui/wm/core/nested_accelerator_controller_unittest.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 "ui/wm/core/nested_accelerator_controller.h"
   6
   7 #include "base/bind.h"
   8 #include "base/event_types.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "ui/aura/test/aura_test_base.h"
  11 #include "ui/aura/test/test_windows.h"
  12 #include "ui/aura/window.h"
  13 #include "ui/aura/window_event_dispatcher.h"
  14 #include "ui/base/accelerators/accelerator.h"
  15 #include "ui/base/accelerators/accelerator.h"
  16 #include "ui/base/accelerators/accelerator_manager.h"
  17 #include "ui/events/event_constants.h"
  18 #include "ui/events/event_utils.h"
  19 #include "ui/events/platform/platform_event_dispatcher.h"
  20 #include "ui/events/platform/platform_event_source.h"
  21 #include "ui/events/platform/scoped_event_dispatcher.h"
  22 #include "ui/wm/core/nested_accelerator_delegate.h"
  23 #include "ui/wm/public/dispatcher_client.h"
  24
  25 #if defined(USE_X11)
  26 #include <X11/Xlib.h>
  27 #include "ui/aura/test/x11_event_sender.h"
  28 #include "ui/events/test/events_test_utils_x11.h"
  29 #endif  // USE_X11
  30
  31 namespace wm {
  32 namespace test {
  33
  34 namespace {
  35
  36 class MockDispatcher : public ui::PlatformEventDispatcher {
  37  public:
  38   MockDispatcher() : num_key_events_dispatched_(0) {}
  39
  40   int num_key_events_dispatched() { return num_key_events_dispatched_; }
  41
  42  private:
  43   // ui::PlatformEventDispatcher:
  44   bool CanDispatchEvent(const ui::PlatformEvent& event) override {
  45     return true;
  46   }
  47   uint32_t DispatchEvent(const ui::PlatformEvent& event) override {
  48     if (ui::EventTypeFromNative(event) == ui::ET_KEY_RELEASED)
  49       num_key_events_dispatched_++;
  50     return ui::POST_DISPATCH_NONE;
  51   }
  52
  53   int num_key_events_dispatched_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(MockDispatcher);
  56 };
  57
  58 class TestTarget : public ui::AcceleratorTarget {
  59  public:
  60   TestTarget() : accelerator_pressed_count_(0) {}
  61   ~TestTarget() override {}
  62
  63   int accelerator_pressed_count() const { return accelerator_pressed_count_; }
  64
  65   // Overridden from ui::AcceleratorTarget:
  66   bool AcceleratorPressed(const ui::Accelerator& accelerator) override {
  67     accelerator_pressed_count_++;
  68     return true;
  69   }
  70   bool CanHandleAccelerators() const override { return true; }
  71
  72  private:
  73   int accelerator_pressed_count_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(TestTarget);
  76 };
  77
  78 void DispatchKeyReleaseA(aura::Window* root_window) {
  79 // Sending both keydown and keyup is necessary here because the accelerator
  80 // manager only checks a keyup event following a keydown event. See
  81 // ShouldHandle() in ui/base/accelerators/accelerator_manager.cc for details.
  82 #if defined(OS_WIN)
  83   aura::WindowTreeHost* host = root_window->GetHost();
  84   HWND hwnd = host->GetAcceleratedWidget();
  85   ::PostMessage(hwnd, WM_KEYDOWN, ui::VKEY_A, 0);
  86   MSG native_event_up = {NULL, WM_KEYUP, ui::VKEY_A, 0};
  87   ::PostMessage(hwnd, WM_KEYUP, ui::VKEY_A, 0);
  88 #elif defined(USE_X11)
  89   ui::ScopedXI2Event native_event;
  90   native_event.InitKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_A, 0);
  91   aura::WindowTreeHost* host = root_window->GetHost();
  92   aura::test::PostEventToWindowTreeHost(*native_event, host);
  93   native_event.InitKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_A, 0);
  94   aura::test::PostEventToWindowTreeHost(*native_event, host);
  95 #endif
  96   // Make sure the inner message-loop terminates after dispatching the events.
  97   base::MessageLoop::current()->PostTask(
  98       FROM_HERE, base::MessageLoop::current()->QuitClosure());
  99 }
 100
 101 class MockNestedAcceleratorDelegate : public NestedAcceleratorDelegate {
 102  public:
 103   MockNestedAcceleratorDelegate()
 104       : accelerator_manager_(new ui::AcceleratorManager) {}
 105   ~MockNestedAcceleratorDelegate() override {}
 106
 107   // NestedAcceleratorDelegate:
 108   Result ProcessAccelerator(const ui::Accelerator& accelerator) override {
 109     return accelerator_manager_->Process(accelerator) ?
 110         RESULT_PROCESSED : RESULT_NOT_PROCESSED;
 111   }
 112
 113   void Register(const ui::Accelerator& accelerator,
 114                 ui::AcceleratorTarget* target) {
 115     accelerator_manager_->Register(
 116         accelerator, ui::AcceleratorManager::kNormalPriority, target);
 117   }
 118
 119  private:
 120   scoped_ptr<ui::AcceleratorManager> accelerator_manager_;
 121
 122   DISALLOW_COPY_AND_ASSIGN(MockNestedAcceleratorDelegate);
 123 };
 124
 125 class NestedAcceleratorTest : public aura::test::AuraTestBase {
 126  public:
 127   NestedAcceleratorTest() {}
 128   ~NestedAcceleratorTest() override {}
 129
 130   void SetUp() override {
 131     AuraTestBase::SetUp();
 132     delegate_ = new MockNestedAcceleratorDelegate();
 133     nested_accelerator_controller_.reset(
 134         new NestedAcceleratorController(delegate_));
 135     aura::client::SetDispatcherClient(root_window(),
 136                                       nested_accelerator_controller_.get());
 137   }
 138
 139   void TearDown() override {
 140     aura::client::SetDispatcherClient(root_window(), NULL);
 141     AuraTestBase::TearDown();
 142     delegate_ = NULL;
 143     nested_accelerator_controller_.reset();
 144   }
 145
 146   MockNestedAcceleratorDelegate* delegate() { return delegate_; }
 147
 148  private:
 149   scoped_ptr<NestedAcceleratorController> nested_accelerator_controller_;
 150   MockNestedAcceleratorDelegate* delegate_;
 151
 152   DISALLOW_COPY_AND_ASSIGN(NestedAcceleratorTest);
 153 };
 154
 155 }  // namespace
 156
 157 // Aura window above lock screen in z order.
 158 // http://crbug.com/396494
 159 TEST_F(NestedAcceleratorTest, DISABLED_AssociatedWindowAboveLockScreen) {
 160   // TODO(oshima|sadrul): remove when Win implements PES.
 161   if (!ui::PlatformEventSource::GetInstance())
 162     return;
 163   MockDispatcher inner_dispatcher;
 164   scoped_ptr<aura::Window> mock_lock_container(
 165       CreateNormalWindow(0, root_window(), NULL));
 166   aura::test::CreateTestWindowWithId(1, mock_lock_container.get());
 167
 168   scoped_ptr<aura::Window> associated_window(
 169       CreateNormalWindow(2, root_window(), NULL));
 170   EXPECT_TRUE(aura::test::WindowIsAbove(associated_window.get(),
 171                                         mock_lock_container.get()));
 172
 173   DispatchKeyReleaseA(root_window());
 174   scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
 175       ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
 176           &inner_dispatcher);
 177   aura::client::DispatcherRunLoop run_loop(
 178       aura::client::GetDispatcherClient(root_window()), NULL);
 179   run_loop.Run();
 180   EXPECT_EQ(1, inner_dispatcher.num_key_events_dispatched());
 181 }
 182
 183 // Test that the nested dispatcher handles accelerators.
 184 // http://crbug.com/396494
 185 TEST_F(NestedAcceleratorTest, DISABLED_AcceleratorsHandled) {
 186   // TODO(oshima|sadrul): remove when Win implements PES.
 187   if (!ui::PlatformEventSource::GetInstance())
 188     return;
 189   MockDispatcher inner_dispatcher;
 190   ui::Accelerator accelerator(ui::VKEY_A, ui::EF_NONE);
 191   accelerator.set_type(ui::ET_KEY_RELEASED);
 192   TestTarget target;
 193   delegate()->Register(accelerator, &target);
 194
 195   DispatchKeyReleaseA(root_window());
 196   scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
 197       ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
 198           &inner_dispatcher);
 199   aura::client::DispatcherRunLoop run_loop(
 200       aura::client::GetDispatcherClient(root_window()), NULL);
 201   run_loop.Run();
 202   EXPECT_EQ(0, inner_dispatcher.num_key_events_dispatched());
 203   EXPECT_EQ(1, target.accelerator_pressed_count());
 204 }
 205
 206 }  //  namespace test
 207 }  //  namespace wm