auto import from //depot/cupcake/@135843
diff --git a/libs/surfaceflinger/OrientationAnimation.cpp b/libs/surfaceflinger/OrientationAnimation.cpp
new file mode 100644
index 0000000..f6f1326
--- /dev/null
+++ b/libs/surfaceflinger/OrientationAnimation.cpp
@@ -0,0 +1,155 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "SurfaceFlinger"
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <limits.h>
+
+#include "LayerOrientationAnim.h"
+#include "OrientationAnimation.h"
+#include "SurfaceFlinger.h"
+#include "VRamHeap.h"
+
+#include "DisplayHardware/DisplayHardware.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+OrientationAnimation::OrientationAnimation(const sp<SurfaceFlinger>& flinger)
+ : mFlinger(flinger), mLayerOrientationAnim(NULL), mState(DONE)
+{
+ // allocate a memory-dealer for this the first time
+ mTemporaryDealer = mFlinger->getSurfaceHeapManager()->createHeap(
+ ISurfaceComposer::eHardware);
+}
+
+OrientationAnimation::~OrientationAnimation()
+{
+}
+
+void OrientationAnimation::onOrientationChanged()
+{
+ if (mState == DONE)
+ mState = PREPARE;
+}
+
+void OrientationAnimation::onAnimationFinished()
+{
+ if (mState != DONE)
+ mState = FINISH;
+}
+
+bool OrientationAnimation::run_impl()
+{
+ bool skip_frame;
+ switch (mState) {
+ default:
+ case DONE:
+ skip_frame = done();
+ break;
+ case PREPARE:
+ skip_frame = prepare();
+ break;
+ case PHASE1:
+ skip_frame = phase1();
+ break;
+ case PHASE2:
+ skip_frame = phase2();
+ break;
+ case FINISH:
+ skip_frame = finished();
+ break;
+ }
+ return skip_frame;
+}
+
+bool OrientationAnimation::done()
+{
+ 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 OrientationAnimation::prepare()
+{
+ mState = PHASE1;
+
+ const GraphicPlane& plane(mFlinger->graphicPlane(0));
+ const DisplayHardware& hw(plane.displayHardware());
+ const uint32_t w = hw.getWidth();
+ const uint32_t h = hw.getHeight();
+
+ LayerBitmap bitmap;
+ bitmap.init(mTemporaryDealer);
+ bitmap.setBits(w, h, 1, hw.getFormat());
+
+ LayerBitmap bitmapIn;
+ bitmapIn.init(mTemporaryDealer);
+ bitmapIn.setBits(w, h, 1, hw.getFormat());
+
+ copybit_image_t front;
+ bitmap.getBitmapSurface(&front);
+ hw.copyFrontToImage(front);
+
+ LayerOrientationAnim* l = new LayerOrientationAnim(
+ mFlinger.get(), 0, this, bitmap, bitmapIn);
+ l->initStates(w, h, 0);
+ l->setLayer(INT_MAX-1);
+ mFlinger->addLayer(l);
+ mLayerOrientationAnim = l;
+ return true;
+}
+
+bool OrientationAnimation::phase1()
+{
+ if (mFlinger->isFrozen() == false) {
+ // start phase 2
+ mState = PHASE2;
+ mLayerOrientationAnim->onOrientationCompleted();
+ mLayerOrientationAnim->invalidate();
+ return true;
+
+ }
+ mLayerOrientationAnim->invalidate();
+ return false;
+}
+
+bool OrientationAnimation::phase2()
+{
+ // do the 2nd phase of the animation
+ mLayerOrientationAnim->invalidate();
+ return false;
+}
+
+bool OrientationAnimation::finished()
+{
+ mState = DONE;
+ mFlinger->removeLayer(mLayerOrientationAnim);
+ mLayerOrientationAnim = NULL;
+ return true;
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android