Refactor and move ash independent nested accelerator code to ui/wm/core

ash/accelerators/nested_dispatcher_controller_unittest.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/accelerators/accelerator_controller.h"
-#include "ash/session/session_state_delegate.h"
-#include "ash/shell.h"
-#include "ash/shell_window_ids.h"
-#include "ash/test/ash_test_base.h"
-#include "base/bind.h"
-#include "base/event_types.h"
-#include "base/message_loop/message_loop.h"
-#include "ui/aura/test/test_windows.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/base/accelerators/accelerator.h"
-#include "ui/events/event_constants.h"
-#include "ui/events/event_utils.h"
-#include "ui/events/platform/platform_event_dispatcher.h"
-#include "ui/events/platform/platform_event_source.h"
-#include "ui/events/platform/scoped_event_dispatcher.h"
-#include "ui/wm/public/dispatcher_client.h"
-
-#if defined(USE_X11)
-#include <X11/Xlib.h>
-#include "ui/events/test/events_test_utils_x11.h"
-#endif  // USE_X11
-
-namespace ash {
-namespace test {
-
-namespace {
-
-class MockDispatcher : public ui::PlatformEventDispatcher {
- public:
-  MockDispatcher() : num_key_events_dispatched_(0) {
-  }
-
-  int num_key_events_dispatched() { return num_key_events_dispatched_; }
-
- private:
-  // ui::PlatformEventDispatcher:
-  virtual bool CanDispatchEvent(const ui::PlatformEvent& event) OVERRIDE {
-    return true;
-  }
-  virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) OVERRIDE {
-    if (ui::EventTypeFromNative(event) == ui::ET_KEY_RELEASED)
-      num_key_events_dispatched_++;
-    return ui::POST_DISPATCH_NONE;
-  }
-
-  int num_key_events_dispatched_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockDispatcher);
-};
-
-class TestTarget : public ui::AcceleratorTarget {
- public:
-  TestTarget() : accelerator_pressed_count_(0) {
-  }
-  virtual ~TestTarget() {
-  }
-
-  int accelerator_pressed_count() const {
-    return accelerator_pressed_count_;
-  }
-
-  // Overridden from ui::AcceleratorTarget:
-  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE {
-    accelerator_pressed_count_++;
-    return true;
-  }
-  virtual bool CanHandleAccelerators() const OVERRIDE {
-    return true;
-  }
-
- private:
-  int accelerator_pressed_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestTarget);
-};
-
-void DispatchKeyReleaseA() {
-  // Sending both keydown and keyup is necessary here because the accelerator
-  // manager only checks a keyup event following a keydown event. See
-  // ShouldHandle() in ui/base/accelerators/accelerator_manager.cc for details.
-#if defined(OS_WIN)
-  MSG native_event_down = { NULL, WM_KEYDOWN, ui::VKEY_A, 0 };
-  ash::Shell::GetPrimaryRootWindow()->host()->PostNativeEvent(
-      native_event_down);
-  MSG native_event_up = { NULL, WM_KEYUP, ui::VKEY_A, 0 };
-  ash::Shell::GetPrimaryRootWindow()->host()->PostNativeEvent(native_event_up);
-#elif defined(USE_X11)
-  ui::ScopedXI2Event native_event;
-  native_event.InitKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_A, 0);
-  aura::WindowTreeHost* host = ash::Shell::GetPrimaryRootWindow()->GetHost();
-  host->PostNativeEvent(native_event);
-  native_event.InitKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_A, 0);
-  host->PostNativeEvent(native_event);
-#endif
-  // Make sure the inner message-loop terminates after dispatching the events.
-  base::MessageLoop::current()->PostTask(FROM_HERE,
-      base::MessageLoop::current()->QuitClosure());
-}
-
-}  // namespace
-
-typedef AshTestBase NestedDispatcherTest;
-
-// Aura window above lock screen in z order.
-TEST_F(NestedDispatcherTest, AssociatedWindowAboveLockScreen) {
-  MockDispatcher inner_dispatcher;
-
-  scoped_ptr<aura::Window> mock_lock_container(
-      CreateTestWindowInShellWithId(0));
-  aura::test::CreateTestWindowWithId(1, mock_lock_container.get());
-  scoped_ptr<aura::Window> associated_window(CreateTestWindowInShellWithId(2));
-  EXPECT_TRUE(aura::test::WindowIsAbove(associated_window.get(),
-      mock_lock_container.get()));
-
-  DispatchKeyReleaseA();
-  aura::Window* root_window = ash::Shell::GetPrimaryRootWindow();
-  scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
-      ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
-          &inner_dispatcher);
-  aura::client::GetDispatcherClient(root_window)->RunWithDispatcher(NULL);
-  EXPECT_EQ(1, inner_dispatcher.num_key_events_dispatched());
-}
-
-// Test that the nested dispatcher handles accelerators.
-TEST_F(NestedDispatcherTest, AcceleratorsHandled) {
-  MockDispatcher inner_dispatcher;
-  aura::Window* root_window = ash::Shell::GetPrimaryRootWindow();
-
-  ui::Accelerator accelerator(ui::VKEY_A, ui::EF_NONE);
-  accelerator.set_type(ui::ET_KEY_RELEASED);
-  TestTarget target;
-  Shell::GetInstance()->accelerator_controller()->Register(accelerator,
-                                                           &target);
-
-  DispatchKeyReleaseA();
-  scoped_ptr<ui::ScopedEventDispatcher> override_dispatcher =
-      ui::PlatformEventSource::GetInstance()->OverrideDispatcher(
-          &inner_dispatcher);
-  aura::client::GetDispatcherClient(root_window)->RunWithDispatcher(NULL);
-  EXPECT_EQ(0, inner_dispatcher.num_key_events_dispatched());
-  EXPECT_EQ(1, target.accelerator_pressed_count());
-}
-
-} //  namespace test
-} //  namespace ash