1 files changed, 71 insertions, 0 deletions
diff --git a/services/input/SpotController.h b/services/input/SpotController.h
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--- /dev/null
+++ b/services/input/SpotController.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_SPOT_CONTROLLER_H
+#define _UI_SPOT_CONTROLLER_H
+
+#include "SpriteController.h"
+
+#include <utils/RefBase.h>
+#include <utils/Looper.h>
+
+#include <SkBitmap.h>
+
+namespace android {
+
+/*
+ * Interface for displaying spots on screen that visually represent the positions
+ * of fingers on a touch pad.
+ *
+ * The spot controller is responsible for providing synchronization and for tracking
+ * display orientation changes if needed.
+ */
+class SpotControllerInterface : public virtual RefBase {
+protected:
+    SpotControllerInterface() { }
+    virtual ~SpotControllerInterface() { }
+
+public:
+
+};
+
+
+/*
+ * Sprite-based spot controller implementation.
+ */
+class SpotController : public SpotControllerInterface, public MessageHandler {
+protected:
+    virtual ~SpotController();
+
+public:
+    SpotController(const sp<Looper>& looper, const sp<SpriteController>& spriteController);
+
+private:
+    mutable Mutex mLock;
+
+    sp<Looper> mLooper;
+    sp<SpriteController> mSpriteController;
+    sp<WeakMessageHandler> mHandler;
+
+    struct Locked {
+    } mLocked;
+
+    void handleMessage(const Message& message);
+};
+
+} // namespace android
+
+#endif // _UI_SPOT_CONTROLLER_H