1 files changed, 76 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/gamepad/GamepadManager.h b/Source/WebCore/Modules/gamepad/GamepadManager.h
new file mode 100644
index 000000000..63b66fa6d
--- /dev/null
+++ b/Source/WebCore/Modules/gamepad/GamepadManager.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(GAMEPAD)
+
+#include "GamepadProviderClient.h"
+#include <wtf/HashSet.h>
+#include <wtf/NeverDestroyed.h>
+#include <wtf/RefPtr.h>
+#include <wtf/text/AtomicString.h>
+
+namespace WebCore {
+
+class DOMWindow;
+class Gamepad;
+class NavigatorGamepad;
+
+class GamepadManager : public GamepadProviderClient {
+    WTF_MAKE_NONCOPYABLE(GamepadManager);
+    friend class NeverDestroyed<GamepadManager>;
+public:
+    static GamepadManager& singleton();
+
+    void platformGamepadConnected(PlatformGamepad&) final;
+    void platformGamepadDisconnected(PlatformGamepad&) final;
+    void platformGamepadInputActivity(bool shouldMakeGamepadVisible) final;
+
+    void registerNavigator(NavigatorGamepad*);
+    void unregisterNavigator(NavigatorGamepad*);
+    void registerDOMWindow(DOMWindow*);
+    void unregisterDOMWindow(DOMWindow*);
+
+private:
+    GamepadManager();
+
+    void makeGamepadVisible(PlatformGamepad&, HashSet<NavigatorGamepad*>&, HashSet<DOMWindow*>&);
+    void dispatchGamepadEvent(const WTF::AtomicString& eventName, PlatformGamepad&);
+
+    void maybeStartMonitoringGamepads();
+    void maybeStopMonitoringGamepads();
+
+    bool m_isMonitoringGamepads;
+
+    HashSet<NavigatorGamepad*> m_navigators;
+    HashSet<NavigatorGamepad*> m_gamepadBlindNavigators;
+    HashSet<DOMWindow*> m_domWindows;
+    HashSet<DOMWindow*> m_gamepadBlindDOMWindows;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(GAMEPAD)