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

ash/accelerators/nested_dispatcher_controller_unittest.cc

+// Copyright (c) 2012 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