Adds the UserInputMonitor implementation for Windows.

media/base/user_input_monitor_unittest.cc

+// Copyright 2013 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 "base/basictypes.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/threading/thread.h"
+#include "media/base/keyboard_event_counter.h"
+#include "media/base/user_input_monitor.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkPoint.h"
+
+namespace media {
+
+class MockMouseListener : public UserInputMonitor::MouseEventListener {
+ public:
+  MOCK_METHOD1(OnMouseMoved, void(const SkIPoint& position));
+
+  virtual ~MockMouseListener() {}
+};
+
+class UserInputMonitorForTest : public UserInputMonitor {
+ public:
+  UserInputMonitorForTest() {}
+  virtual ~UserInputMonitorForTest() {}
+
+  virtual size_t GetKeyPressCount() const OVERRIDE {
+    return counter_.GetKeyPressCount();
+  }
+
+  void EmulateMouseEvent(const SkIPoint& position) {
+    UserInputMonitor::OnMouseEvent(position);
+  }
+
+  void EmulateKeyboardEvent(ui::EventType event, ui::KeyboardCode key_code) {
+    counter_.OnKeyboardEvent(event, key_code);
+  }
+
+ private:
+  virtual void StartMouseMonitoring() OVERRIDE {}
+  virtual void StopMouseMonitoring() OVERRIDE {}
+  virtual void StartKeyboardMonitoring() OVERRIDE { counter_.Reset(); }
+  virtual void StopKeyboardMonitoring() OVERRIDE {}
+
+  KeyboardEventCounter counter_;
+};
+
+TEST(UserInputMonitorTest, MouseEvent) {
+  UserInputMonitorForTest monitor;
+  MockMouseListener listener;
+
+  monitor.AddMouseListener(&listener);
+
+  SkIPoint pos(SkIPoint::Make(100, 100));
+  EXPECT_CALL(listener, OnMouseMoved(pos));
+  monitor.EmulateMouseEvent(pos);
+
+  monitor.RemoveMouseListener(&listener);
+}
+
+TEST(UserInputMonitorTest, KeyPressCounter) {
+  UserInputMonitorForTest monitor;
+
+  monitor.EnableKeyPressMonitoring();
+  EXPECT_EQ(0u, monitor.GetKeyPressCount());
+
+  monitor.EmulateKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  EXPECT_EQ(1u, monitor.GetKeyPressCount());
+
+  // Holding the same key without releasing it does not increase the count.
+  monitor.EmulateKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  EXPECT_EQ(1u, monitor.GetKeyPressCount());
+
+  // Releasing the key does not affect the total count.
+  monitor.EmulateKeyboardEvent(ui::ET_KEY_RELEASED, ui::VKEY_0);
+  EXPECT_EQ(1u, monitor.GetKeyPressCount());
+
+  monitor.EmulateKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  monitor.EmulateKeyboardEvent(ui::ET_KEY_RELEASED, ui::VKEY_0);
+  EXPECT_EQ(2u, monitor.GetKeyPressCount());
+  monitor.DisableKeyPressMonitoring();
+}
+
+TEST(UserInputMonitorTest, CreatePlatformSpecific) {
+  base::Thread io_thread("UserInputMonitorTestIOThread");

[DaleCurtis, 2013/08/29 19:02:42]

Do you actually need these threads? Can you just create a MessageLoop on the
stack and pass it in for both UI and IO? Then use a RunLoop.RunUntilIdle()
before exiting?

[jiayl, 2013/08/29 21:05:40]

Done.

+  io_thread.StartWithOptions(
+      base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
+  base::Thread ui_thread("UserInputMonitorTestUIThread");
+  ui_thread.StartWithOptions(
+      base::Thread::Options(base::MessageLoop::TYPE_UI, 0));
+
+  scoped_ptr<UserInputMonitor> monitor = UserInputMonitor::Create(
+      io_thread.message_loop_proxy(), ui_thread.message_loop_proxy());
+
+  MockMouseListener listener;
+  // Ignore any callbacks.
+  EXPECT_CALL(listener, OnMouseMoved(testing::_)).Times(testing::AnyNumber());
+
+#if defined(OS_MACOSX)

[DaleCurtis, 2013/08/29 19:02:42]

!defined ?

[jiayl, 2013/08/29 21:05:40]

Done.

+  monitor->AddMouseListener(&listener);
+  monitor->RemoveMouseListener(&listener);
+#endif  // define(OS_MACOSX)
+
+  monitor->EnableKeyPressMonitoring();
+  monitor->DisableKeyPressMonitoring();
+
+  // Must stop the threads before destroying |monitor|.
+  ui_thread.Stop();
+  io_thread.Stop();
+}
+
+}  // namespace media