Add setStartValue to RNA

 Bug: 15198607
 Should be good-enough for Ripples to use for pseudo-chaining
 support.

Change-Id: Ia8666928ccb69ae401cb583751632a52bd928b63

2 files changed, 19 insertions, 3 deletions

diff --git a/core/java/android/view/RenderNodeAnimator.java b/core/java/android/view/RenderNodeAnimator.java
index e918119..4979059 100644
--- a/core/java/android/view/RenderNodeAnimator.java
+++ b/core/java/android/view/RenderNodeAnimator.java
@@ -219,6 +219,15 @@ public final class RenderNodeAnimator extends Animator {
         return mTarget;
     }
 
+    /**
+     * WARNING: May only be called once!!!
+     * TODO: Fix above -_-
+     */
+    public void setStartValue(float startValue) {
+        checkMutable();
+        nSetStartValue(mNativePtr.get(), startValue);
+    }
+
     @Override
     public void setStartDelay(long startDelay) {
         checkMutable();
@@ -282,11 +291,12 @@ public final class RenderNodeAnimator extends Animator {
     }
 
     private static native long nCreateAnimator(WeakReference<RenderNodeAnimator> weakThis,
-            int property, float deltaValue);
+            int property, float finalValue);
     private static native long nCreateCanvasPropertyFloatAnimator(WeakReference<RenderNodeAnimator> weakThis,
-            long canvasProperty, float deltaValue);
+            long canvasProperty, float finalValue);
     private static native long nCreateCanvasPropertyPaintAnimator(WeakReference<RenderNodeAnimator> weakThis,
-            long canvasProperty, int paintField, float deltaValue);
+            long canvasProperty, int paintField, float finalValue);
+    private static native void nSetStartValue(long nativePtr, float startValue);
     private static native void nSetDuration(long nativePtr, long duration);
     private static native long nGetDuration(long nativePtr);
     private static native void nSetStartDelay(long nativePtr, long startDelay);
diff --git a/core/jni/android_view_RenderNodeAnimator.cpp b/core/jni/android_view_RenderNodeAnimator.cpp
index e19ce36..d689864 100644
--- a/core/jni/android_view_RenderNodeAnimator.cpp
+++ b/core/jni/android_view_RenderNodeAnimator.cpp
@@ -116,6 +116,11 @@ static jlong createCanvasPropertyPaintAnimator(JNIEnv* env, jobject clazz,
     return reinterpret_cast<jlong>( animator );
 }
 
+static void setStartValue(JNIEnv* env, jobject clazz, jlong animatorPtr, jfloat startValue) {
+    BaseRenderNodeAnimator* animator = reinterpret_cast<BaseRenderNodeAnimator*>(animatorPtr);
+    animator->setStartValue(startValue);
+}
+
 static void setDuration(JNIEnv* env, jobject clazz, jlong animatorPtr, jlong duration) {
     LOG_ALWAYS_FATAL_IF(duration < 0, "Duration cannot be negative");
     BaseRenderNodeAnimator* animator = reinterpret_cast<BaseRenderNodeAnimator*>(animatorPtr);
@@ -157,6 +162,7 @@ static JNINativeMethod gMethods[] = {
     { "nCreateAnimator", "(Ljava/lang/ref/WeakReference;IF)J", (void*) createAnimator },
     { "nCreateCanvasPropertyFloatAnimator", "(Ljava/lang/ref/WeakReference;JF)J", (void*) createCanvasPropertyFloatAnimator },
     { "nCreateCanvasPropertyPaintAnimator", "(Ljava/lang/ref/WeakReference;JIF)J", (void*) createCanvasPropertyPaintAnimator },
+    { "nSetStartValue", "(JF)V", (void*) setStartValue },
     { "nSetDuration", "(JJ)V", (void*) setDuration },
     { "nGetDuration", "(J)J", (void*) getDuration },
     { "nSetStartDelay", "(JJ)V", (void*) setStartDelay },