1 files changed, 112 insertions, 0 deletions
diff --git a/libs/surfaceflinger/purgatory/LayerOrientationAnim.h b/libs/surfaceflinger/purgatory/LayerOrientationAnim.h
new file mode 100644
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+++ b/libs/surfaceflinger/purgatory/LayerOrientationAnim.h
@@ -0,0 +1,112 @@
+/*
+ * 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_H
+#define ANDROID_LAYER_ORIENTATION_ANIM_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <utils/threads.h>
+#include <binder/Parcel.h>
+
+#include "LayerBase.h"
+#include "LayerBitmap.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+class OrientationAnimation;
+
+
+class LayerOrientationAnimBase : public LayerBase
+{
+public:
+    LayerOrientationAnimBase(SurfaceFlinger* flinger, DisplayID display)
+        : LayerBase(flinger, display) {
+    }
+    virtual void onOrientationCompleted() = 0;
+};
+
+// ---------------------------------------------------------------------------
+
+class LayerOrientationAnim : 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; }
+    
+                LayerOrientationAnim(SurfaceFlinger* flinger, DisplayID display,
+                        OrientationAnimation* anim, 
+                        const sp<Buffer>& bitmapIn,
+                        const sp<Buffer>& bitmapOut);
+        virtual ~LayerOrientationAnim();
+
+            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 scale, float alphaIn, float alphaOut) const;
+
+    class Lerp {
+        float in;
+        float outMinusIn;
+    public:
+        Lerp() : in(0), outMinusIn(0) { }
+        Lerp(float in, float out) : in(in), outMinusIn(out-in) { }
+        float getIn() const { return in; };
+        float getOut() const { return in + outMinusIn; }
+        void set(float in, float out) { 
+            this->in = in; 
+            this->outMinusIn = out-in; 
+        }
+        void setIn(float in) { 
+            this->in = in; 
+        }
+        void setOut(float out) { 
+            this->outMinusIn = out - this->in; 
+        }
+        float operator()(float t) const { 
+            return outMinusIn*t + in; 
+        }
+    };
+    
+    OrientationAnimation* mAnim;
+    sp<Buffer> mBitmapIn;
+    sp<Buffer> mBitmapOut;
+    nsecs_t mStartTime;
+    nsecs_t mFinishTime;
+    bool mOrientationCompleted;
+    mutable bool mFirstRedraw;
+    mutable float mLastNormalizedTime;
+    mutable GLuint  mTextureName;
+    mutable GLuint  mTextureNameIn;
+    mutable bool mNeedsBlending;
+    
+    mutable Lerp mAlphaInLerp;
+    mutable Lerp mAlphaOutLerp;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_ORIENTATION_ANIM_H