AI 143160: am: CL 142856 new-new-new-new rotation animation. it may still change one more time.
  Original author: mathias
  Merged from: //branches/cupcake/...

Automated import of CL 143160
diff --git a/libs/surfaceflinger/LayerOrientationAnimRotate.h b/libs/surfaceflinger/LayerOrientationAnimRotate.h
new file mode 100644
index 0000000..5ca5780
--- /dev/null
+++ b/libs/surfaceflinger/LayerOrientationAnimRotate.h
@@ -0,0 +1,76 @@
+/*
+ * 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_LAYER_ORIENTATION_ANIM_ROTATE_H
+#define ANDROID_LAYER_ORIENTATION_ANIM_ROTATE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <utils/threads.h>
+#include <utils/Parcel.h>
+
+#include "LayerBase.h"
+#include "LayerBitmap.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+class OrientationAnimation;
+
+class LayerOrientationAnimRotate : public LayerOrientationAnimBase
+{
+public:    
+    static const uint32_t typeInfo;
+    static const char* const typeID;
+    virtual char const* getTypeID() const { return typeID; }
+    virtual uint32_t getTypeInfo() const { return typeInfo; }
+    
+    LayerOrientationAnimRotate(SurfaceFlinger* flinger, DisplayID display,
+                        OrientationAnimation* anim, 
+                        const LayerBitmap& zoomOut,
+                        const LayerBitmap& zoomIn);
+        virtual ~LayerOrientationAnimRotate();
+
+            void onOrientationCompleted();
+
+    virtual void onDraw(const Region& clip) const;
+    virtual Point getPhysicalSize() const;
+    virtual void validateVisibility(const Transform& globalTransform);
+    virtual bool needsBlending() const;
+    virtual bool isSecure() const       { return false; }
+private:
+    void drawScaled(float angle, float scale, float alpha) const;
+    
+    OrientationAnimation* mAnim;
+    LayerBitmap mBitmap;
+    LayerBitmap mBitmapIn;
+    nsecs_t mStartTime;
+    nsecs_t mFinishTime;
+    bool mOrientationCompleted;
+    mutable bool mFirstRedraw;
+    mutable float mLastNormalizedTime;
+    mutable float mLastAngle;
+    mutable float mLastScale;
+    mutable GLuint  mTextureName;
+    mutable GLuint  mTextureNameIn;
+    mutable bool mNeedsBlending;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_ORIENTATION_ANIM_ROTATE_H