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   ::PostMessage(hwnd, WM_KEYUP, ui::VKEY_A, 0);
  87 #elif defined(USE_X11)
  88   ui::ScopedXI2Event native_event;
  89   native_event.InitKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_A, 0);
  90   aura::WindowTreeHost* host = root_window->GetHost();
  91   aura::test::PostEventToWindowTreeHost(*native_event, host);
  92   native_event.InitKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_A, 0);
  93   aura::test::PostEventToWindowTreeHost(*native_event, host);
  94 #endif
  95   // Make sure the inner message-loop terminates after dispatching the events.
  96   base::MessageLoop::current()->PostTask(
  97       FROM_HERE, base::MessageLoop::current()->QuitClosure());
  98 }
  99
 100 class MockNestedAcceleratorDelegate : public NestedAcceleratorDelegate {
 101  public:
 102   MockNestedAcceleratorDelegate()
 103       : accelerator_manager_(new ui::AcceleratorManager) {}
 104   ~MockNestedAcceleratorDelegate() override {}
 105
 106   // NestedAcceleratorDelegate:
 107   Result ProcessAccelerator(const ui::Accelerator& accelerator) override {
 108     return accelerator_manager_->Process(accelerator) ?
 109         RESULT_PROCESSED : RESULT_NOT_PROCESSED;
 110   }
 111
 112   void Register(const ui::Accelerator& accelerator,
 113                 ui::AcceleratorTarget* target) {
 114     accelerator_manager_->Register(
 115         accelerator, ui::AcceleratorManager::kNormalPriority, target);
 116   }
 117
 118  private:
 119   scoped_ptr<ui::AcceleratorManager> accelerator_manager_;
 120
 121   DISALLOW_COPY_AND_ASSIGN(MockNestedAcceleratorDelegate);
 122 };
 123
 124 class NestedAcceleratorTest : public aura::test::AuraTestBase {
 125  public:
 126   NestedAcceleratorTest() {}
 127   ~NestedAcceleratorTest() override {}
 128
 129   void SetUp() override {
 130     AuraTestBase::SetUp();
 131     delegate_ = new MockNestedAcceleratorDelegate();
 132     nested_accelerator_controller_.reset(
 133         new NestedAcceleratorController(delegate_));
 134     aura::client::SetDispatcherClient(root_window(),
 135                                       nested_accelerator_controller_.get());
 136   }
 137
 138   void TearDown() override {
 139     aura::client::SetDispatcherClient(root_window(), NULL);
 140     AuraTestBase::TearDown();
 141     delegate_ = NULL;
 142     nested_accelerator_controller_.reset();
 143   }
 144
 145   MockNestedAcceleratorDelegate* delegate() { return delegate_; }
 146
 147  private:
 148   scoped_ptr<NestedAcceleratorController> nested_accelerator_controller_;
 149   MockNestedAcceleratorDelegate* delegate_;
 150
 151   DISALLOW_COPY_AND_ASSIGN(NestedAcceleratorTest);
 152 };
 153
 154 }  // namespace
 155
 156 // Aura window above lock screen in z order.
 157 // http://crbug.com/396494
 158 TEST_F(NestedAcceleratorTest, DISABLED_AssociatedWindowAboveLockScreen) {
 159   // TODO(oshima|sadrul): remove when Win implements PES.
 160   if (!ui::PlatformEventSource::GetInstance())
 161     return;
 162   MockDispatcher inner_dispatcher;
 163   scoped_ptr<aura::Window> mock_lock_container(
 164       CreateNormalWindow(0, root_window(), NULL));
 165   aura::test::CreateTestWindowWithId(1, mock_lock_container.get());
 166
 167   scoped_ptr<aura::Window> associated_window(
 168       CreateNormalWindow(2, root_window(), NULL));
 169   EXPECT_TRUE(aura::test::WindowIsAbove(associated_window.get(),
 170                                         mock_lock_container.get()));
 171
 172   DispatchKeyReleaseA(root_window());
 173   scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
 174       ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
 175           &inner_dispatcher);
 176   aura::client::DispatcherRunLoop run_loop(
 177       aura::client::GetDispatcherClient(root_window()), NULL);
 178   run_loop.Run();
 179   EXPECT_EQ(1, inner_dispatcher.num_key_events_dispatched());
 180 }
 181
 182 // Test that the nested dispatcher handles accelerators.
 183 // http://crbug.com/396494
 184 TEST_F(NestedAcceleratorTest, DISABLED_AcceleratorsHandled) {
 185   // TODO(oshima|sadrul): remove when Win implements PES.
 186   if (!ui::PlatformEventSource::GetInstance())
 187     return;
 188   MockDispatcher inner_dispatcher;
 189   ui::Accelerator accelerator(ui::VKEY_A, ui::EF_NONE);
 190   accelerator.set_type(ui::ET_KEY_RELEASED);
 191   TestTarget target;
 192   delegate()->Register(accelerator, &target);
 193
 194   DispatchKeyReleaseA(root_window());
 195   scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
 196       ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
 197           &inner_dispatcher);
 198   aura::client::DispatcherRunLoop run_loop(
 199       aura::client::GetDispatcherClient(root_window()), NULL);
 200   run_loop.Run();
 201   EXPECT_EQ(0, inner_dispatcher.num_key_events_dispatched());
 202   EXPECT_EQ(1, target.accelerator_pressed_count());
 203 }
 204
 205 }  //  namespace test
 206 }  //  namespace wm