1 files changed, 95 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/Gamepad/UIGamepadProvider.h b/Source/WebKit2/UIProcess/Gamepad/UIGamepadProvider.h
new file mode 100644
index 000000000..e076c2f33
--- /dev/null
+++ b/Source/WebKit2/UIProcess/Gamepad/UIGamepadProvider.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 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 <WebCore/GamepadProviderClient.h>
+#include <wtf/HashSet.h>
+#include <wtf/NeverDestroyed.h>
+#include <wtf/RunLoop.h>
+#include <wtf/Vector.h>
+
+namespace WebKit {
+
+class UIGamepad;
+class WebPageProxy;
+class WebProcessPool;
+class GamepadData;
+
+class UIGamepadProvider : public WebCore::GamepadProviderClient {
+public:
+    static UIGamepadProvider& singleton();
+
+    void processPoolStartedUsingGamepads(WebProcessPool&);
+    void processPoolStoppedUsingGamepads(WebProcessPool&);
+
+    void viewBecameActive(WebPageProxy&);
+    void viewBecameInactive(WebPageProxy&);
+
+    Vector<GamepadData> gamepadStates() const;
+
+#if PLATFORM(COCOA)
+    static void setUsesGameControllerFramework();
+#endif
+
+    Vector<GamepadData> snapshotGamepads();
+
+private:
+    friend NeverDestroyed<UIGamepadProvider>;
+    UIGamepadProvider();
+    ~UIGamepadProvider() final;
+
+    void startMonitoringGamepads();
+    void stopMonitoringGamepads();
+
+    void platformSetDefaultGamepadProvider();
+    WebPageProxy* platformWebPageProxyForGamepadInput();
+    void platformStopMonitoringInput();
+    void platformStartMonitoringInput();
+
+    void setInitialConnectedGamepads(const Vector<WebCore::PlatformGamepad*>&) final;
+    void platformGamepadConnected(WebCore::PlatformGamepad&) final;
+    void platformGamepadDisconnected(WebCore::PlatformGamepad&) final;
+    void platformGamepadInputActivity(bool shouldMakeGamepadsVisible) final;
+
+    void scheduleGamepadStateSync();
+    void gamepadSyncTimerFired();
+
+    HashSet<WebProcessPool*> m_processPoolsUsingGamepads;
+
+    Vector<std::unique_ptr<UIGamepad>> m_gamepads;
+
+    RunLoop::Timer<UIGamepadProvider> m_gamepadSyncTimer;
+
+    bool m_isMonitoringGamepads { false };
+    bool m_hasInitialGamepads { false };
+    bool m_shouldMakeGamepadsVisibleOnSync { false };
+};
+
+}
+
+#endif // ENABLE(GAMEPAD)