Merge "Migrate to RippleShader#FadeParams to deprecate rippleFill." into tm-qpr-dev am: 75ae9ea269

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21164324

Change-Id: I65b51b9b9bc96e39b1f42fcb29adb5e1743e1dce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/animation/src/com/android/systemui/surfaceeffects/ripple/RippleShader.kt

@@ -87,7 +87,7 @@ class RippleShader(rippleShape: RippleShape = RippleShape.CIRCLE) :
                     * (1.-sparkleRing) * in_fadeSparkle;
 
                 float rippleInsideAlpha = (1.-inside) * in_fadeFill;
-                float rippleRingAlpha = (1.-sparkleRing) * in_fadeRing * in_sparkle_strength;
+                float rippleRingAlpha = (1.-sparkleRing) * in_fadeRing;
                 float rippleAlpha = max(rippleInsideAlpha, rippleRingAlpha) * in_color.a;
                 vec4 ripple = vec4(in_color.rgb, 1.0) * rippleAlpha;
                 return mix(ripple, vec4(sparkle), sparkle * in_sparkle_strength);

packages/SystemUI/animation/src/com/android/systemui/surfaceeffects/ripple/RippleView.kt

@@ -117,15 +117,6 @@ open class RippleView(context: Context?, attrs: AttributeSet?) : View(context, a
         rippleShader.color = ColorUtils.setAlphaComponent(color, alpha)
     }
 
-    /**
-     * Set whether the ripple should remain filled as the ripple expands.
-     *
-     * See [RippleShader.rippleFill].
-     */
-    fun setRippleFill(rippleFill: Boolean) {
-        rippleShader.rippleFill = rippleFill
-    }
-
     /** Set the intensity of the sparkles. */
     fun setSparkleStrength(strength: Float) {
         rippleShader.sparkleStrength = strength

packages/SystemUI/src/com/android/systemui/media/taptotransfer/receiver/ReceiverChipRippleView.kt

@@ -34,7 +34,7 @@ class ReceiverChipRippleView(context: Context?, attrs: AttributeSet?) : RippleVi
 
     init {
         setupShader(RippleShader.RippleShape.CIRCLE)
-        setRippleFill(true)
+        setupRippleFadeParams()
         setSparkleStrength(0f)
         isStarted = false
     }
@@ -72,7 +72,7 @@ class ReceiverChipRippleView(context: Context?, attrs: AttributeSet?) : RippleVi
         animator.removeAllUpdateListeners()
 
         // Only show the outline as ripple expands and disappears when animation ends.
-        setRippleFill(false)
+        removeRippleFill()
 
         val startingPercentage = calculateStartingPercentage(newHeight)
         animator.duration = EXPAND_TO_FULL_DURATION
@@ -103,6 +103,32 @@ class ReceiverChipRippleView(context: Context?, attrs: AttributeSet?) : RippleVi
         return 1 - remainingPercentage
     }
 
+    private fun setupRippleFadeParams() {
+        with(rippleShader) {
+            // No fade out for the base ring.
+            baseRingFadeParams.fadeOutStart = 1f
+            baseRingFadeParams.fadeOutEnd = 1f
+
+            // No fade in and outs for the center fill, as we always draw it.
+            centerFillFadeParams.fadeInStart = 0f
+            centerFillFadeParams.fadeInEnd = 0f
+            centerFillFadeParams.fadeOutStart = 1f
+            centerFillFadeParams.fadeOutEnd = 1f
+        }
+    }
+
+    private fun removeRippleFill() {
+        with(rippleShader) {
+            baseRingFadeParams.fadeOutStart = RippleShader.DEFAULT_BASE_RING_FADE_OUT_START
+            baseRingFadeParams.fadeOutEnd = RippleShader.DEFAULT_FADE_OUT_END
+
+            centerFillFadeParams.fadeInStart = RippleShader.DEFAULT_FADE_IN_START
+            centerFillFadeParams.fadeInEnd = RippleShader.DEFAULT_CENTER_FILL_FADE_IN_END
+            centerFillFadeParams.fadeOutStart = RippleShader.DEFAULT_CENTER_FILL_FADE_OUT_START
+            centerFillFadeParams.fadeOutEnd = RippleShader.DEFAULT_CENTER_FILL_FADE_OUT_END
+        }
+    }
+
     companion object {
         const val DEFAULT_DURATION = 333L
         const val EXPAND_TO_FULL_DURATION = 1000L