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-rw-r--r--src/com/android/launcher3/Workspace.java33
1 files changed, 20 insertions, 13 deletions
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 91739711b..043ecb075 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -1410,7 +1410,22 @@ public class Workspace extends SmoothPagedView
}
private float wallpaperOffsetForCurrentScroll() {
+ // TODO: do different behavior if it's a live wallpaper?
+ // Don't use up all the wallpaper parallax until you have at least
+ // MIN_PARALLAX_PAGE_SPAN pages
+ int numScrollingPages = getNumScreensExcludingEmptyAndCustom();
+ int parallaxPageSpan;
+ if (mWallpaperIsLiveWallpaper) {
+ parallaxPageSpan = numScrollingPages - 1;
+ } else {
+ parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1);
+ }
+ mNumPagesForWallpaperParallax = parallaxPageSpan;
+
if (getChildCount() <= 1) {
+ if (isLayoutRtl()) {
+ return 1 - 1.0f/mNumPagesForWallpaperParallax;
+ }
return 0;
}
@@ -1430,28 +1445,20 @@ public class Workspace extends SmoothPagedView
if (scrollRange == 0) {
return 0;
} else {
- // TODO: do different behavior if it's a live wallpaper?
// Sometimes the left parameter of the pages is animated during a layout transition;
// this parameter offsets it to keep the wallpaper from animating as well
int adjustedScroll =
getScrollX() - firstPageScrollX - getLayoutTransitionOffsetForPage(0);
float offset = Math.min(1, adjustedScroll / (float) scrollRange);
offset = Math.max(0, offset);
- // Don't use up all the wallpaper parallax until you have at least
- // MIN_PARALLAX_PAGE_SPAN pages
- int numScrollingPages = getNumScreensExcludingEmptyAndCustom();
- int parallaxPageSpan;
- if (mWallpaperIsLiveWallpaper) {
- parallaxPageSpan = numScrollingPages - 1;
- } else {
- parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1);
- }
- mNumPagesForWallpaperParallax = parallaxPageSpan;
// On RTL devices, push the wallpaper offset to the right if we don't have enough
// pages (ie if numScrollingPages < MIN_PARALLAX_PAGE_SPAN)
- int padding = isLayoutRtl() ? parallaxPageSpan - numScrollingPages + 1 : 0;
- return offset * (padding + numScrollingPages - 1) / parallaxPageSpan;
+ if (!mWallpaperIsLiveWallpaper && numScrollingPages < MIN_PARALLAX_PAGE_SPAN
+ && isLayoutRtl()) {
+ return offset * (parallaxPageSpan - numScrollingPages + 1) / parallaxPageSpan;
+ }
+ return offset * (numScrollingPages - 1) / parallaxPageSpan;
}
}