1 files changed, 84 insertions, 0 deletions
diff --git a/libs/surfaceflinger/purgatory/OrientationAnimation.h b/libs/surfaceflinger/purgatory/OrientationAnimation.h
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+++ b/libs/surfaceflinger/purgatory/OrientationAnimation.h
@@ -0,0 +1,84 @@
+/*
+ * 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_ORIENTATION_ANIMATION_H
+#define ANDROID_ORIENTATION_ANIMATION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "SurfaceFlinger.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class SurfaceFlinger;
+class MemoryDealer;
+class LayerOrientationAnim;
+
+class OrientationAnimation
+{
+public:    
+                 OrientationAnimation(const sp<SurfaceFlinger>& flinger);
+        virtual ~OrientationAnimation();
+
+   void onOrientationChanged(uint32_t type);
+   void onAnimationFinished();
+   inline bool run() {
+       if (LIKELY(mState == DONE))
+           return done_impl();
+       return run_impl();
+   }
+
+private:
+    enum {
+        DONE = 0,
+        PREPARE,
+        PHASE1,
+        PHASE2,
+        FINISH
+    };
+
+    bool run_impl();
+    inline bool done_impl() {
+        if (mFlinger->isFrozen()) {
+            // we are not allowed to draw, but pause a bit to make sure
+            // apps don't end up using the whole CPU, if they depend on
+            // surfaceflinger for synchronization.
+            usleep(8333); // 8.3ms ~ 120fps
+            return true;
+        }
+        return false;
+    }
+    
+    bool done();    
+    bool prepare();
+    bool phase1();
+    bool phase2();
+    bool finished();
+
+    sp<SurfaceFlinger> mFlinger;
+    sp< LayerOrientationAnimBase > mLayerOrientationAnim;
+    int mState;
+    uint32_t mType;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_ORIENTATION_ANIMATION_H