RenderThread animator support
Change-Id: Icf29098edfdaf7ed550bbe9d49e9eaefb4167084
diff --git a/libs/hwui/Animator.h b/libs/hwui/Animator.h
new file mode 100644
index 0000000..1c8361b
--- /dev/null
+++ b/libs/hwui/Animator.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2014 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 ANIMATOR_H
+#define ANIMATOR_H
+
+#include <cutils/compiler.h>
+
+#include "Interpolator.h"
+#include "TreeInfo.h"
+#include "utils/VirtualLightRefBase.h"
+
+namespace android {
+namespace uirenderer {
+
+class RenderProperties;
+class RenderPropertyAnimatorImpl;
+
+class RenderPropertyAnimator : public VirtualLightRefBase {
+public:
+ // Since the UI thread doesn't necessarily know what the current values
+ // actually are and thus can't do the calculations, this is used to inform
+ // the animator how to lazy-resolve the input value
+ enum DeltaValueType {
+ // The delta value represents an absolute value endpoint
+ // mDeltaValue needs to be recalculated to be mDelta = (mDelta - fromValue)
+ // in onAnimationStarted()
+ ABSOLUTE = 0,
+ // The final value represents an offset from the current value
+ // No recalculation is needed
+ DELTA,
+ };
+
+ enum RenderProperty {
+ TRANSLATION_X = 0,
+ TRANSLATION_Y,
+ TRANSLATION_Z,
+ SCALE_X,
+ SCALE_Y,
+ ROTATION,
+ ROTATION_X,
+ ROTATION_Y,
+ X,
+ Y,
+ Z,
+ ALPHA,
+ };
+
+ ANDROID_API void setInterpolator(Interpolator* interpolator);
+ ANDROID_API void setDuration(nsecs_t durationInMs);
+ ANDROID_API bool isFinished();
+
+ bool animate(RenderProperties* target, TreeInfo& info);
+
+protected:
+ ANDROID_API RenderPropertyAnimator(RenderProperty property, DeltaValueType deltaType,
+ float deltaValue);
+ ANDROID_API virtual ~RenderPropertyAnimator();
+
+private:
+ RenderPropertyAnimatorImpl* mImpl;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* ANIMATOR_H */