| /* |
| * 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. |
| */ |
| |
| package android.view; |
| |
| import android.graphics.CanvasProperty; |
| import android.graphics.Paint; |
| import android.util.SparseIntArray; |
| |
| import java.lang.ref.WeakReference; |
| |
| /** |
| * @hide |
| */ |
| public final class RenderNodeAnimator { |
| |
| // Keep in sync with enum RenderProperty in Animator.h |
| public static final int TRANSLATION_X = 0; |
| public static final int TRANSLATION_Y = 1; |
| public static final int TRANSLATION_Z = 2; |
| public static final int SCALE_X = 3; |
| public static final int SCALE_Y = 4; |
| public static final int ROTATION = 5; |
| public static final int ROTATION_X = 6; |
| public static final int ROTATION_Y = 7; |
| public static final int X = 8; |
| public static final int Y = 9; |
| public static final int Z = 10; |
| public static final int ALPHA = 11; |
| |
| // Keep in sync with enum PaintFields in Animator.h |
| public static final int PAINT_STROKE_WIDTH = 0; |
| public static final int PAINT_ALPHA = 1; |
| |
| // ViewPropertyAnimator uses a mask for its values, we need to remap them |
| // to the enum values here. RenderPropertyAnimator can't use the mask values |
| // directly as internally it uses a lookup table so it needs the values to |
| // be sequential starting from 0 |
| private static final SparseIntArray sViewPropertyAnimatorMap = new SparseIntArray(15) {{ |
| put(ViewPropertyAnimator.TRANSLATION_X, TRANSLATION_X); |
| put(ViewPropertyAnimator.TRANSLATION_Y, TRANSLATION_Y); |
| put(ViewPropertyAnimator.TRANSLATION_Z, TRANSLATION_Z); |
| put(ViewPropertyAnimator.SCALE_X, SCALE_X); |
| put(ViewPropertyAnimator.SCALE_Y, SCALE_Y); |
| put(ViewPropertyAnimator.ROTATION, ROTATION); |
| put(ViewPropertyAnimator.ROTATION_X, ROTATION_X); |
| put(ViewPropertyAnimator.ROTATION_Y, ROTATION_Y); |
| put(ViewPropertyAnimator.X, X); |
| put(ViewPropertyAnimator.Y, Y); |
| put(ViewPropertyAnimator.Z, Z); |
| put(ViewPropertyAnimator.ALPHA, ALPHA); |
| }}; |
| |
| // Keep in sync DeltaValueType in Animator.h |
| public static final int DELTA_TYPE_ABSOLUTE = 0; |
| public static final int DELTA_TYPE_DELTA = 1; |
| |
| private RenderNode mTarget; |
| private long mNativePtr; |
| |
| public int mapViewPropertyToRenderProperty(int viewProperty) { |
| return sViewPropertyAnimatorMap.get(viewProperty); |
| } |
| |
| public RenderNodeAnimator(int property, int deltaType, float deltaValue) { |
| mNativePtr = nCreateAnimator(new WeakReference<RenderNodeAnimator>(this), |
| property, deltaType, deltaValue); |
| } |
| |
| public RenderNodeAnimator(CanvasProperty<Float> property, int deltaType, float deltaValue) { |
| mNativePtr = nCreateCanvasPropertyFloatAnimator( |
| new WeakReference<RenderNodeAnimator>(this), |
| property.getNativeContainer(), deltaType, deltaValue); |
| } |
| |
| public RenderNodeAnimator(CanvasProperty<Paint> property, int paintField, |
| int deltaType, float deltaValue) { |
| mNativePtr = nCreateCanvasPropertyPaintAnimator( |
| new WeakReference<RenderNodeAnimator>(this), |
| property.getNativeContainer(), paintField, deltaType, deltaValue); |
| } |
| |
| public void start(View target) { |
| mTarget = target.mRenderNode; |
| mTarget.addAnimator(this); |
| // Kick off a frame to start the process |
| target.invalidateViewProperty(true, false); |
| } |
| |
| public void cancel() { |
| mTarget.removeAnimator(this); |
| } |
| |
| public void setDuration(int duration) { |
| nSetDuration(mNativePtr, duration); |
| } |
| |
| long getNativeAnimator() { |
| return mNativePtr; |
| } |
| |
| private void onFinished() { |
| mTarget.removeAnimator(this); |
| } |
| |
| // Called by native |
| private static void callOnFinished(WeakReference<RenderNodeAnimator> weakThis) { |
| RenderNodeAnimator animator = weakThis.get(); |
| if (animator != null) { |
| animator.onFinished(); |
| } |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| nUnref(mNativePtr); |
| mNativePtr = 0; |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| private static native long nCreateAnimator(WeakReference<RenderNodeAnimator> weakThis, |
| int property, int deltaValueType, float deltaValue); |
| private static native long nCreateCanvasPropertyFloatAnimator(WeakReference<RenderNodeAnimator> weakThis, |
| long canvasProperty, int deltaValueType, float deltaValue); |
| private static native long nCreateCanvasPropertyPaintAnimator(WeakReference<RenderNodeAnimator> weakThis, |
| long canvasProperty, int paintField, int deltaValueType, float deltaValue); |
| private static native void nSetDuration(long nativePtr, int duration); |
| private static native void nUnref(long nativePtr); |
| } |