am 381fa3fb: Merge remote-tracking branch \'goog/ub-now-lunchbox\' into release

* commit '381fa3fb2d990f7976a898c16f3675dbb325b848':
  Import translations. DO NOT MERGE
  Fix black flash during rotation of -1 screen with GEL.
  Fix bug: Scroll position reported incorrectly to live wallpapers
  Add callback for "Widgets" button click in launcher
  handle shortcut restore for missing packages
  Import translations. DO NOT MERGE
  Catch exceptions if Exif is malformed
  Disable Set Wallpaper button while loading image
  Disabled the wallpaper when completely in -1 Now space.
  Import translations. DO NOT MERGE
  Fix back button behavior for "App info" when launched by Launcher3.
  Import translations. DO NOT MERGE
  Import translations. DO NOT MERGE
  Import translations. DO NOT MERGE

11 files changed, 205 insertions, 41 deletions

diff --git a/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml b/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
index 1622742a5..2a0188ae2 100644
--- a/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
+++ b/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
@@ -20,6 +20,7 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:actionButtonStyle"
+    android:id="@+id/set_wallpaper_button"
     android:layout_width="match_parent"
     android:layout_height="match_parent" >
     <TextView style="?android:actionBarTabTextStyle"
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index ee7b81951..23fbe73a3 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -75,6 +75,7 @@ public class WallpaperCropActivity extends Activity {
 
     protected CropView mCropView;
     protected Uri mUri;
+    private View mSetWallpaperButton;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -111,10 +112,12 @@ public class WallpaperCropActivity extends Activity {
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // Load image in background
         final BitmapRegionTileSource.UriBitmapSource bitmapSource =
                 new BitmapRegionTileSource.UriBitmapSource(this, imageUri, 1024);
+        mSetWallpaperButton.setVisibility(View.INVISIBLE);
         Runnable onLoad = new Runnable() {
             public void run() {
                 if (bitmapSource.getLoadingState() != BitmapSource.State.LOADED) {
@@ -122,6 +125,8 @@ public class WallpaperCropActivity extends Activity {
                             getString(R.string.wallpaper_load_fail),
                             Toast.LENGTH_LONG).show();
                     finish();
+                } else {
+                    mSetWallpaperButton.setVisibility(View.VISIBLE);
                 }
             }
         };
@@ -271,6 +276,9 @@ public class WallpaperCropActivity extends Activity {
             }
         } catch (IOException e) {
             Log.w(LOGTAG, "Getting exif data failed", e);
+        } catch (NullPointerException e) {
+            // Sometimes the ExifInterface has an internal NPE if Exif data isn't valid
+            Log.w(LOGTAG, "Getting exif data failed", e);
         } finally {
             Utils.closeSilently(bis);
             Utils.closeSilently(is);
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index c54e4779c..aa43def66 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -90,6 +90,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
     private static final String DEFAULT_WALLPAPER_THUMBNAIL_FILENAME = "default_thumb2.jpg";
 
     private View mSelectedTile;
+    private View mSetWallpaperButton;
     private boolean mIgnoreNextTap;
     private OnClickListener mThumbnailOnClickListener;
 
@@ -146,11 +147,13 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                 onLoad = null;
             } else {
                 mFirstClick = false;
+                a.mSetWallpaperButton.setVisibility(View.INVISIBLE);
                 onLoad = new Runnable() {
                     public void run() {
                         if (mBitmapSource != null &&
                                 mBitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
                             a.selectTile(mView);
+                            a.mSetWallpaperButton.setVisibility(View.VISIBLE);
                         } else {
                             ViewGroup parent = (ViewGroup) mView.getParent();
                             if (parent != null) {
@@ -466,6 +469,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                         }
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // CAB for deleting items
         mActionModeCallback = new ActionMode.Callback() {
diff --git a/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java b/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
index cdc5cdcbd..764156de0 100644
--- a/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
+++ b/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
@@ -245,6 +245,9 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
             try {
                 ei.readExif(mPath);
                 return true;
+            } catch (NullPointerException e) {
+                Log.w("BitmapRegionTileSource", "reading exif failed", e);
+                return false;
             } catch (IOException e) {
                 Log.w("BitmapRegionTileSource", "getting decoder failed", e);
                 return false;
@@ -311,6 +314,9 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
             } catch (IOException e) {
                 Log.e("BitmapRegionTileSource", "Failed to load URI " + mUri, e);
                 return false;
+            } catch (NullPointerException e) {
+                Log.e("BitmapRegionTileSource", "Failed to read EXIF for URI " + mUri, e);
+                return false;
             } finally {
                 Utils.closeSilently(is);
             }
diff --git a/res/values-be/strings.xml b/res/values-be/strings.xml
index 246553467..2015158d9 100644
--- a/res/values-be/strings.xml
+++ b/res/values-be/strings.xml
@@ -26,6 +26,27 @@
     <!-- no translation found for uid_name (7820867637514617527) -->
     <skip />
     <string name="folder_name" msgid="7371454440695724752"></string>
+    <!-- no translation found for wallpaper_instructions (563973358787555519) -->
+    <skip />
+    <!-- no translation found for image_load_fail (2821429163328561136) -->
+    <skip />
+    <!-- no translation found for wallpaper_load_fail (1261270681127096352) -->
+    <skip />
+    <!-- no translation found for number_of_items_selected:zero (7464587177007785408) -->
+    <!-- no translation found for number_of_items_selected:one (142482526010824029) -->
+    <!-- no translation found for number_of_items_selected:other (1418352074806573570) -->
+    <!-- no translation found for wallpaper_accessibility_name (1655953108132967972) -->
+    <skip />
+    <!-- no translation found for announce_selection (8338254712932127413) -->
+    <skip />
+    <!-- no translation found for wallpaper_delete (8095005658756613921) -->
+    <skip />
+    <!-- no translation found for pick_image (1272073934062909527) -->
+    <skip />
+    <!-- no translation found for pick_wallpaper (8179698221502010609) -->
+    <skip />
+    <!-- no translation found for crop_wallpaper (8334345984491368009) -->
+    <skip />
     <!-- no translation found for activity_not_found (8071924732094499514) -->
     <skip />
     <!-- no translation found for widgets_tab_label (2921133187116603919) -->
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 50bbe51a5..70d44cee4 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -505,11 +505,11 @@ public class Launcher extends Activity
     }
 
     /**
-     * To be overridden by subclasses to create the custom content and call
+     * To be overridden by subclasses to populate the custom content container and call
      * {@link #addToCustomContentPage}. This will only be invoked if
      * {@link #hasCustomContentToLeft()} is {@code true}.
      */
-    protected void addCustomContentToLeft() {
+    protected void populateCustomContentContainer() {
     }
 
     /**
@@ -539,8 +539,8 @@ public class Launcher extends Activity
 
         if (!mWorkspace.hasCustomContent() && hasCustomContentToLeft()) {
             // Create the custom content page and call the subclass to populate it.
-            mWorkspace.createCustomContentPage();
-            addCustomContentToLeft();
+            mWorkspace.createCustomContentContainer();
+            populateCustomContentContainer();
         } else if (mWorkspace.hasCustomContent() && !hasCustomContentToLeft()) {
             mWorkspace.removeCustomContentPage();
         }
@@ -1033,12 +1033,6 @@ public class Launcher extends Activity
         }
     }
 
-    protected void onFinishBindingItems() {
-        if (mWorkspace != null && hasCustomContentToLeft() && mWorkspace.hasCustomContent()) {
-            addCustomContentToLeft();
-        }
-    }
-
     QSBScroller mQsbScroller = new QSBScroller() {
         int scrollY = 0;
 
@@ -2373,7 +2367,7 @@ public class Launcher extends Activity
                 final String shortcutClass = intent.getComponent().getClassName();
 
                 if (shortcutClass.equals(WidgetAdder.class.getName())) {
-                    showAllApps(true, AppsCustomizePagedView.ContentType.Widgets, true);
+                    onClickAddWidgetButton();
                     return;
                 } else if (shortcutClass.equals(MemoryDumpActivity.class.getName())) {
                     MemoryDumpActivity.startDump(this);
@@ -2466,6 +2460,14 @@ public class Launcher extends Activity
         showAllApps(true, AppsCustomizePagedView.ContentType.Applications, false);
     }
 
+    /**
+     * Event handler for the (Add) Widgets button that appears after a long press
+     * on the home screen.
+     */
+    protected void onClickAddWidgetButton() {
+        showAllApps(true, AppsCustomizePagedView.ContentType.Widgets, true);
+    }
+
     public void onTouchDownAllAppsButton(View v) {
         // Provide the same haptic feedback that the system offers for virtual keys.
         v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
@@ -2522,7 +2524,8 @@ public class Launcher extends Activity
         String packageName = componentName.getPackageName();
         Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
                 Uri.fromParts("package", packageName, null));
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK |
+                Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
         startActivitySafely(null, intent, "startApplicationDetailsActivity");
     }
 
@@ -2877,7 +2880,7 @@ public class Launcher extends Activity
                 mWorkspaceBackgroundDrawable : null);
     }
 
-    void updateWallpaperVisibility(boolean visible) {
+    protected void changeWallpaperVisiblity(boolean visible) {
         int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0;
         int curflags = getWindow().getAttributes().flags
                 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
@@ -3787,9 +3790,9 @@ public class Launcher extends Activity
 
         // Create the custom content page (this call updates mDefaultScreen which calls
         // setCurrentPage() so ensure that all pages are added before calling this).
-        // The actual content of the custom page will be added during onFinishBindingItems().
-        if (!mWorkspace.hasCustomContent() && hasCustomContentToLeft()) {
-            mWorkspace.createCustomContentPage();
+        if (hasCustomContentToLeft()) {
+            mWorkspace.createCustomContentContainer();
+            populateCustomContentContainer();
         }
     }
 
@@ -4071,13 +4074,6 @@ public class Launcher extends Activity
             mWorkspace.getUniqueComponents(true, null);
             mIntentsOnWorkspaceFromUpgradePath = mWorkspace.getUniqueComponents(true, null);
         }
-
-        mWorkspace.post(new Runnable() {
-            @Override
-            public void run() {
-                onFinishBindingItems();
-            }
-        });
     }
 
     public boolean isAllAppsButtonRank(int rank) {
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
index 57cdfb94a..74eefcaec 100644
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ b/src/com/android/launcher3/LauncherBackupHelper.java
@@ -842,6 +842,10 @@ public class LauncherBackupHelper implements BackupHelper {
             }
             values.put(Favorites.APPWIDGET_ID, favorite.appWidgetId);
         }
+
+        // Let LauncherModel know we've been here.
+        values.put(LauncherSettings.Favorites.RESTORED, 1);
+
         return values;
     }
 
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 2102a1fac..6839bb3e5 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -1714,6 +1714,7 @@ public class LauncherModel extends BroadcastReceiver {
                 clearSBgDataStructures();
 
                 final ArrayList<Long> itemsToRemove = new ArrayList<Long>();
+                final ArrayList<Long> restoredRows = new ArrayList<Long>();
                 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI;
                 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri);
                 final Cursor c = contentResolver.query(contentUri, null, null, null, null);
@@ -1754,6 +1755,8 @@ public class LauncherModel extends BroadcastReceiver {
                             (LauncherSettings.Favorites.SPANX);
                     final int spanYIndex = c.getColumnIndexOrThrow(
                             LauncherSettings.Favorites.SPANY);
+                    final int restoredIndex = c.getColumnIndexOrThrow(
+                            LauncherSettings.Favorites.RESTORED);
                     //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI);
                     //final int displayModeIndex = c.getColumnIndexOrThrow(
                     //        LauncherSettings.Favorites.DISPLAY_MODE);
@@ -1769,6 +1772,7 @@ public class LauncherModel extends BroadcastReceiver {
                         AtomicBoolean deleteOnInvalidPlacement = new AtomicBoolean(false);
                         try {
                             int itemType = c.getInt(itemTypeIndex);
+                            boolean restored = 0 != c.getInt(restoredIndex);
 
                             switch (itemType) {
                             case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
@@ -1779,24 +1783,44 @@ public class LauncherModel extends BroadcastReceiver {
                                     intent = Intent.parseUri(intentDescription, 0);
                                     ComponentName cn = intent.getComponent();
                                     if (cn != null && !isValidPackageComponent(manager, cn)) {
-                                        if (!mAppsCanBeOnRemoveableStorage) {
-                                            // Log the invalid package, and remove it from the db
-                                            Launcher.addDumpLog(TAG, "Invalid package removed: " + cn, true);
-                                            itemsToRemove.add(id);
+                                        if (restored) {
+                                            // might be installed later
+                                            Launcher.addDumpLog(TAG,
+                                                    "package not yet restored: " + cn, true);
                                         } else {
-                                            // If apps can be on external storage, then we just
-                                            // leave them for the user to remove (maybe add
-                                            // visual treatment to it)
-                                            Launcher.addDumpLog(TAG, "Invalid package found: " + cn, true);
+                                            if (!mAppsCanBeOnRemoveableStorage) {
+                                                // Log the invalid package, and remove it
+                                                Launcher.addDumpLog(TAG,
+                                                        "Invalid package removed: " + cn, true);
+                                                itemsToRemove.add(id);
+                                            } else {
+                                                // If apps can be on external storage, then we just
+                                                // leave them for the user to remove (maybe add
+                                                // visual treatment to it)
+                                                Launcher.addDumpLog(TAG,
+                                                        "Invalid package found: " + cn, true);
+                                            }
+                                            continue;
                                         }
-                                        continue;
+                                    } else if (restored) {
+                                        // no special handling necessary for this restored item
+                                        restoredRows.add(id);
+                                        restored = false;
                                     }
                                 } catch (URISyntaxException e) {
-                                    Launcher.addDumpLog(TAG, "Invalid uri: " + intentDescription, true);
+                                    Launcher.addDumpLog(TAG,
+                                            "Invalid uri: " + intentDescription, true);
                                     continue;
                                 }
 
-                                if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
+                                if (restored) {
+                                    Launcher.addDumpLog(TAG,
+                                            "constructing info for partially restored package",
+                                            true);
+                                    info = getRestoredItemInfo(c, titleIndex);
+                                    intent = getRestoredItemIntent(c, context, intent);
+                                } else if (itemType ==
+                                        LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
                                     info = getShortcutInfo(manager, intent, context, c, iconIndex,
                                             titleIndex, mLabelCache);
                                 } else {
@@ -1890,6 +1914,11 @@ public class LauncherModel extends BroadcastReceiver {
                                         break;
                                 }
 
+                                if (restored) {
+                                    // no special handling required for restored folders
+                                    restoredRows.add(id);
+                                }
+
                                 sBgItemsIdMap.put(folderInfo.id, folderInfo);
                                 sBgFolders.put(folderInfo.id, folderInfo);
                                 break;
@@ -1990,6 +2019,25 @@ public class LauncherModel extends BroadcastReceiver {
                     }
                 }
 
+                if (restoredRows.size() > 0) {
+                    ContentProviderClient updater = contentResolver.acquireContentProviderClient(
+                            LauncherSettings.Favorites.CONTENT_URI);
+                    // Update restored items that no longer require special handling
+                    try {
+                        StringBuilder selectionBuilder = new StringBuilder();
+                        selectionBuilder.append(LauncherSettings.Favorites._ID);
+                        selectionBuilder.append(" IN (");
+                        selectionBuilder.append(TextUtils.join(", ", restoredRows));
+                        selectionBuilder.append(")");
+                        ContentValues values = new ContentValues();
+                        values.put(LauncherSettings.Favorites.RESTORED, 0);
+                        updater.update(LauncherSettings.Favorites.CONTENT_URI,
+                                values, selectionBuilder.toString(), null);
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "Could not update restored rows");
+                    }
+                }
+
                 if (loadedOldDb) {
                     long maxScreenId = 0;
                     // If we're importing we use the old screen order.
@@ -2737,6 +2785,40 @@ public class LauncherModel extends BroadcastReceiver {
     }
 
     /**
+     * Make an ShortcutInfo object for a restored application or shortcut item that points
+     * to a package that is not yet installed on the system.
+     */
+    public ShortcutInfo getRestoredItemInfo(Cursor cursor, int titleIndex) {
+        final ShortcutInfo info = new ShortcutInfo();
+        info.usingFallbackIcon = true;
+        info.setIcon(getFallbackIcon());
+        if (cursor != null) {
+            info.title =  cursor.getString(titleIndex);
+        } else {
+            info.title = "";
+        }
+        info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
+        return info;
+    }
+
+    /**
+     * Make an Intent object for a restored application or shortcut item that points
+     * to the market page for the item.
+     */
+    private Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) {
+        ComponentName componentName = intent.getComponent();
+        Intent marketIntent = new Intent(Intent.ACTION_VIEW);
+        Uri marketUri = new Uri.Builder()
+                .scheme("market")
+                .authority("details")
+                .appendQueryParameter("id", componentName.getPackageName())
+                .build();
+        Log.d(TAG, "manufactured intent uri: " + marketUri.toString());
+        marketIntent.setData(marketUri);
+        return marketIntent;
+    }
+
+    /**
      * This is called from the code that adds shortcuts from the intent receiver.  This
      * doesn't have a Cursor, but
      */
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 52bcf98e7..cec9167f3 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -68,7 +68,7 @@ public class LauncherProvider extends ContentProvider {
 
     private static final String DATABASE_NAME = "launcher.db";
 
-    private static final int DATABASE_VERSION = 15;
+    private static final int DATABASE_VERSION = 16;
 
     static final String OLD_AUTHORITY = "com.android.launcher2.settings";
     static final String AUTHORITY = ProviderConfig.AUTHORITY;
@@ -409,7 +409,8 @@ public class LauncherProvider extends ContentProvider {
                     "uri TEXT," +
                     "displayMode INTEGER," +
                     "appWidgetProvider TEXT," +
-                    "modified INTEGER NOT NULL DEFAULT 0" +
+                    "modified INTEGER NOT NULL DEFAULT 0," +
+                    "restored INTEGER NOT NULL DEFAULT 0" +
                     ");");
             addWorkspacesTable(db);
 
@@ -716,7 +717,6 @@ public class LauncherProvider extends ContentProvider {
                 }
             }
 
-
             if (version < 15) {
                 db.beginTransaction();
                 try {
@@ -735,6 +735,23 @@ public class LauncherProvider extends ContentProvider {
                 }
             }
 
+
+            if (version < 16) {
+                db.beginTransaction();
+                try {
+                    // Insert new column for holding restore status
+                    db.execSQL("ALTER TABLE favorites " +
+                            "ADD COLUMN restored INTEGER NOT NULL DEFAULT 0;");
+                    db.setTransactionSuccessful();
+                    version = 16;
+                } catch (SQLException ex) {
+                    // Old version remains, which means we wipe old data
+                    Log.e(TAG, ex.getMessage(), ex);
+                } finally {
+                    db.endTransaction();
+                }
+            }
+
             if (version != DATABASE_VERSION) {
                 Log.w(TAG, "Destroying all old data.");
                 db.execSQL("DROP TABLE IF EXISTS " + TABLE_FAVORITES);
diff --git a/src/com/android/launcher3/LauncherSettings.java b/src/com/android/launcher3/LauncherSettings.java
index 988e5efca..f4ee3007d 100644
--- a/src/com/android/launcher3/LauncherSettings.java
+++ b/src/com/android/launcher3/LauncherSettings.java
@@ -275,5 +275,11 @@ class LauncherSettings {
          * @see android.provider.LiveFolders#DISPLAY_MODE_LIST
          */
         static final String DISPLAY_MODE = "displayMode";
+
+        /**
+         * Boolean indicating that his item was restored and not yet successfully bound.
+         * <P>Type: INTEGER</P>
+         */
+        static final String RESTORED = "restored";
     }
 }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 359fd8640..751b4c67a 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -209,6 +209,10 @@ public class Workspace extends SmoothPagedView
     private boolean mWorkspaceFadeInAdjacentScreens;
 
     WallpaperOffsetInterpolator mWallpaperOffset;
+    private boolean mWallpaperIsLiveWallpaper;
+    private int mNumPagesForWallpaperParallax;
+    private float mLastSetWallpaperOffsetSteps = 0;
+
     private Runnable mDelayedResizeRunnable;
     private Runnable mDelayedSnapToPageRunnable;
     private Point mDisplaySize = new Point();
@@ -421,7 +425,7 @@ public class Workspace extends SmoothPagedView
         setClipChildren(false);
         setClipToPadding(false);
         setChildrenDrawnWithCacheEnabled(true);
-        
+
         setMinScale(mOverviewModeShrinkFactor);
         setupLayoutTransition();
 
@@ -562,7 +566,7 @@ public class Workspace extends SmoothPagedView
         return screenId;
     }
 
-    public void createCustomContentPage() {
+    public void createCustomContentContainer() {
         CellLayout customScreen = (CellLayout)
                 mLauncher.getLayoutInflater().inflate(R.layout.workspace_screen, null);
         customScreen.disableBackground();
@@ -1347,7 +1351,14 @@ public class Workspace extends SmoothPagedView
                 // Don't use up all the wallpaper parallax until you have at least
                 // MIN_PARALLAX_PAGE_SPAN pages
                 int numScrollingPages = getNumScreensExcludingEmptyAndCustom();
-                int parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1);
+                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;
@@ -1391,7 +1402,11 @@ public class Workspace extends SmoothPagedView
 
         private void setWallpaperOffsetSteps() {
             // Set wallpaper offset steps (1 / (number of screens - 1))
-            mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 1.0f);
+            float xOffset = 1.0f / mNumPagesForWallpaperParallax;
+            if (xOffset != mLastSetWallpaperOffsetSteps) {
+                mWallpaperManager.setWallpaperOffsetSteps(xOffset, 1.0f);
+                mLastSetWallpaperOffsetSteps = xOffset;
+            }
         }
 
         public void setFinalX(float x) {
@@ -1700,6 +1715,10 @@ public class Workspace extends SmoothPagedView
         if (LauncherAppState.getInstance().hasWallpaperChangedSinceLastCheck()) {
             setWallpaperDimension();
         }
+        mWallpaperIsLiveWallpaper = mWallpaperManager.getWallpaperInfo() != null;
+        // Force the wallpaper offset steps to be set again, because another app might have changed
+        // them
+        mLastSetWallpaperOffsetSteps = 0f;
     }
 
     @Override