1 files changed, 103 insertions, 0 deletions
diff --git a/include/gui/SurfaceControl.h b/include/gui/SurfaceControl.h
new file mode 100644
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--- /dev/null
+++ b/include/gui/SurfaceControl.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2007 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 ANDROID_GUI_SURFACE_CONTROL_H
+#define ANDROID_GUI_SURFACE_CONTROL_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+#include <ui/PixelFormat.h>
+#include <ui/Region.h>
+
+#include <gui/ISurfaceComposerClient.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class IGraphicBufferProducer;
+class Surface;
+class SurfaceComposerClient;
+
+// ---------------------------------------------------------------------------
+
+class SurfaceControl : public RefBase
+{
+public:
+    static bool isValid(const sp<SurfaceControl>& surface) {
+        return (surface != 0) && surface->isValid();
+    }
+
+    bool isValid() {
+        return mHandle!=0 && mClient!=0;
+    }
+
+    static bool isSameSurface(
+            const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
+        
+    // release surface data from java
+    void        clear();
+    
+    status_t    setLayerStack(int32_t layerStack);
+    status_t    setLayer(int32_t layer);
+    status_t    setPosition(float x, float y);
+    status_t    setSize(uint32_t w, uint32_t h);
+    status_t    hide();
+    status_t    show();
+    status_t    setFlags(uint32_t flags, uint32_t mask);
+    status_t    setTransparentRegionHint(const Region& transparent);
+    status_t    setAlpha(float alpha=1.0f);
+    status_t    setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
+    status_t    setCrop(const Rect& crop);
+
+    static status_t writeSurfaceToParcel(
+            const sp<SurfaceControl>& control, Parcel* parcel);
+
+    sp<Surface> getSurface() const;
+
+private:
+    // can't be copied
+    SurfaceControl& operator = (SurfaceControl& rhs);
+    SurfaceControl(const SurfaceControl& rhs);
+
+    friend class SurfaceComposerClient;
+    friend class Surface;
+
+    SurfaceControl(
+            const sp<SurfaceComposerClient>& client,
+            const sp<IBinder>& handle,
+            const sp<IGraphicBufferProducer>& gbp);
+
+    ~SurfaceControl();
+
+    status_t validate() const;
+    void destroy();
+    
+    sp<SurfaceComposerClient>   mClient;
+    sp<IBinder>                 mHandle;
+    sp<IGraphicBufferProducer>  mGraphicBufferProducer;
+    mutable Mutex               mLock;
+    mutable sp<Surface>         mSurfaceData;
+};
+
+}; // namespace android
+
+#endif // ANDROID_GUI_SURFACE_CONTROL_H