Merge "Dim non-forefront recent pages" into ub-launcher3-master (985ea90c) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/RecentsView.java

+11 −2

Original line number	Diff line number	Diff line
		@@ -48,6 +48,11 @@ public class RecentsView extends PagedView {
		/** A circular curve of x from 0 to 1, where 0 is the center of the screen and 1 is the edge. */
		private static final TimeInterpolator CURVE_INTERPOLATOR
		= x -> (float) (1 - Math.sqrt(1 - Math.pow(x, 2)));
		/**
		* The alpha of a black scrim on a page in the carousel as it leaves the screen.
		* In the resting position of the carousel, the adjacent pages have about half this scrim.
		*/
		private static final float MAX_PAGE_SCRIM_ALPHA = 0.8f;

		private boolean mOverviewStateEnabled;
		private boolean mTaskStackListenerRegistered;
		@@ -181,8 +186,8 @@ public class RecentsView extends PagedView {
		}

		@Override
		public void scrollTo(int x, int y) {
		super.scrollTo(x, y);
		public void computeScroll() {
		super.computeScroll();
		updateCurveProperties();
		}

		@@ -212,6 +217,10 @@ public class RecentsView extends PagedView {
		// Make sure the biggest card (i.e. the one in front) shows on top of the adjacent ones.
		page.setTranslationZ(scale);
		page.setTranslationX((screenCenter - pageCenter) * curveInterpolation * CURVE_FACTOR);
		if (page instanceof TaskView) {
		TaskThumbnailView thumbnail = ((TaskView) page).getThumbnail();
		thumbnail.setDimAlpha(1 - curveInterpolation * MAX_PAGE_SCRIM_ALPHA);
		}
		}
		}
		}