diff options
| -rw-r--r-- | src/com/android/launcher3/Launcher.java | 3 | ||||
| -rw-r--r-- | src/com/android/launcher3/Workspace.java | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java index 7970b71be..509560c74 100644 --- a/src/com/android/launcher3/Launcher.java +++ b/src/com/android/launcher3/Launcher.java @@ -919,6 +919,9 @@ public class Launcher extends Activity // Custom content is completely hidden public void onHide(); + + // Custom content scroll progress changed. From 0 (not showing) to 1 (fully showing). + public void onScrollProgressChanged(float progress); } protected void startSettings() { diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java index b6ef27d6d..339f0abe6 100644 --- a/src/com/android/launcher3/Workspace.java +++ b/src/com/android/launcher3/Workspace.java @@ -134,6 +134,7 @@ public class Workspace extends SmoothPagedView CustomContentCallbacks mCustomContentCallbacks; boolean mCustomContentShowing; + private float mLastCustomContentScrollProgress = -1f; /** * The CellLayout that is currently being dragged over @@ -1258,6 +1259,9 @@ public class Workspace extends SmoothPagedView (getScrollForPage(index + 1) - getScrollForPage(index)); progress = Math.max(0, progress); + if (Float.compare(progress, mLastCustomContentScrollProgress) == 0) return; + mLastCustomContentScrollProgress = progress; + setBackgroundAlpha(progress * 0.8f); float height = getViewportHeight(); if (getPageIndicator() != null) { @@ -1271,6 +1275,7 @@ public class Workspace extends SmoothPagedView mLauncher.getHotseat().setTranslationY(transY); mLauncher.getHotseat().setAlpha(1 - progress); } + if (getPageIndicator() != null) { final float alpha = 1 - progress; final View pi = getPageIndicator(); @@ -1281,6 +1286,10 @@ public class Workspace extends SmoothPagedView pi.setVisibility(VISIBLE); } } + + if (mCustomContentCallbacks != null) { + mCustomContentCallbacks.onScrollProgressChanged(progress); + } } } |