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-rw-r--r--src/com/android/launcher3/model/GridSizeMigrationTask.java480
1 files changed, 286 insertions, 194 deletions
diff --git a/src/com/android/launcher3/model/GridSizeMigrationTask.java b/src/com/android/launcher3/model/GridSizeMigrationTask.java
index 08c3dc0bb..19ec3ed64 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationTask.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationTask.java
@@ -9,6 +9,7 @@ import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.database.Cursor;
import android.graphics.Point;
+import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
@@ -21,6 +22,7 @@ import com.android.launcher3.LauncherProvider;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.Utilities;
+import com.android.launcher3.backup.nano.BackupProtos;
import com.android.launcher3.compat.PackageInstallerCompat;
import com.android.launcher3.compat.UserHandleCompat;
import com.android.launcher3.util.LongArrayMap;
@@ -58,15 +60,14 @@ public class GridSizeMigrationTask {
private static final float WT_FOLDER_FACTOR = 0.5f;
private final Context mContext;
- private final ContentValues mTempValues = new ContentValues();
- private final HashMap<String, Point> mWidgetMinSize;
private final InvariantDeviceProfile mIdp;
- private HashSet<String> mValidPackages;
- public ArrayList<Long> mEntryToRemove;
- private ArrayList<ContentProviderOperation> mUpdateOperations;
-
- private ArrayList<DbEntry> mCarryOver;
+ private final HashMap<String, Point> mWidgetMinSize = new HashMap<>();
+ private final ContentValues mTempValues = new ContentValues();
+ private final ArrayList<Long> mEntryToRemove = new ArrayList<>();
+ private final ArrayList<ContentProviderOperation> mUpdateOperations = new ArrayList<>();
+ private final ArrayList<DbEntry> mCarryOver = new ArrayList<>();
+ private final HashSet<String> mValidPackages;
private final int mSrcX, mSrcY;
private final int mTrgX, mTrgY;
@@ -74,73 +75,54 @@ public class GridSizeMigrationTask {
private final int mSrcHotseatSize;
private final int mSrcAllAppsRank;
+ private final int mDestHotseatSize;
+ private final int mDestAllAppsRank;
- /**
- * TODO: Create a generic constructor which can be unit tested.
- */
- public GridSizeMigrationTask(Context context) {
+ protected GridSizeMigrationTask(Context context, InvariantDeviceProfile idp,
+ HashSet<String> validPackages, HashMap<String, Point> widgetMinSize,
+ Point sourceSize, Point targetSize) {
mContext = context;
+ mValidPackages = validPackages;
+ mWidgetMinSize.putAll(widgetMinSize);
+ mIdp = idp;
-
- mIdp = LauncherAppState.getInstance().getInvariantDeviceProfile();
- mTrgX = mIdp.numColumns;
- mTrgY = mIdp.numRows;
-
- SharedPreferences prefs = Utilities.getPrefs(context);
- Point sourceSize = parsePoint(
- prefs.getString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, getPointString(mTrgX, mTrgY)));
mSrcX = sourceSize.x;
mSrcY = sourceSize.y;
- // Hotseat
- Point hotseatSize = parsePoint(
- prefs.getString(KEY_MIGRATION_SRC_HOTSEAT_SIZE,
- getPointString(mIdp.numHotseatIcons, mIdp.hotseatAllAppsRank)));
- mSrcHotseatSize = hotseatSize.x;
- mSrcAllAppsRank = hotseatSize.y;
-
- // Widget sizes
- mWidgetMinSize = new HashMap<String, Point>();
- for (String s : prefs.getStringSet(KEY_MIGRATION_WIDGET_MINSIZE,
- Collections.<String>emptySet())) {
- String[] parts = s.split("#");
- mWidgetMinSize.put(parts[0], parsePoint(parts[1]));
- }
+ mTrgX = targetSize.x;
+ mTrgY = targetSize.y;
mShouldRemoveX = mTrgX < mSrcX;
mShouldRemoveY = mTrgY < mSrcY;
+
+ // Non-used variables
+ mSrcHotseatSize = mSrcAllAppsRank = mDestHotseatSize = mDestAllAppsRank = -1;
}
- public void execute() throws Exception {
- mEntryToRemove = new ArrayList<>();
- mUpdateOperations = new ArrayList<>();
+ protected GridSizeMigrationTask(Context context,
+ InvariantDeviceProfile idp, HashSet<String> validPackages,
+ int srcHotseatSize, int srcAllAppsRank,
+ int destHotseatSize, int destAllAppsRank) {
+ mContext = context;
+ mIdp = idp;
+ mValidPackages = validPackages;
- // Initialize list of valid packages. This contain all the packages which are already on
- // the device and packages which are being installed. Any item which doesn't belong to
- // this set is removed.
- // Since the loader removes such items anyway, removing these items here doesn't cause any
- // extra data loss and gives us more free space on the grid for better migration.
- mValidPackages = new HashSet<>();
- for (PackageInfo info : mContext.getPackageManager().getInstalledPackages(0)) {
- mValidPackages.add(info.packageName);
- }
- mValidPackages.addAll(PackageInstallerCompat.getInstance(mContext)
- .updateAndGetActiveSessionCache().keySet());
+ mSrcHotseatSize = srcHotseatSize;
+ mSrcAllAppsRank = srcAllAppsRank;
- // Migrate hotseat
- if (mSrcHotseatSize != mIdp.numHotseatIcons || mSrcAllAppsRank != mIdp.hotseatAllAppsRank) {
- migrateHotseat();
- }
+ mDestHotseatSize = destHotseatSize;
+ mDestAllAppsRank = destAllAppsRank;
- if (mShouldRemoveX || mShouldRemoveY) {
- if ((mSrcY - mTrgX) > 1 || (mSrcY - mSrcY) > 1) {
- // TODO: support this.
- throw new Exception("The universe is too large for migration");
- } else {
- migrateWorkspace();
- }
- }
+ // Non-used variables
+ mSrcX = mSrcY = mTrgX = mTrgY = -1;
+ mShouldRemoveX = mShouldRemoveY = false;
+ }
+ /**
+ * Applied all the pending DB operations
+ * @return true if any DB operation was commited.
+ */
+ private boolean applyOperations() throws Exception {
// Update items
if (!mUpdateOperations.isEmpty()) {
mContext.getContentResolver().applyBatch(LauncherProvider.AUTHORITY, mUpdateOperations);
@@ -155,16 +137,7 @@ public class GridSizeMigrationTask {
LauncherSettings.Favorites._ID, mEntryToRemove), null);
}
- if (!mUpdateOperations.isEmpty() || !mEntryToRemove.isEmpty()) {
- // Make sure we haven't removed everything.
- final Cursor c = mContext.getContentResolver().query(
- LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
- boolean hasData = c.moveToNext();
- c.close();
- if (!hasData) {
- throw new Exception("Removed every thing during grid resize");
- }
- }
+ return !mUpdateOperations.isEmpty() || !mEntryToRemove.isEmpty();
}
/**
@@ -173,11 +146,12 @@ public class GridSizeMigrationTask {
* entries is more than what can fit in the new hotseat, we drop the entries with least weight.
* For weight calculation {@see #WT_SHORTCUT}, {@see #WT_APPLICATION}
* & {@see #WT_FOLDER_FACTOR}.
+ * @return true if any DB change was made
*/
- private void migrateHotseat() {
+ protected boolean migrateHotseat() throws Exception {
ArrayList<DbEntry> items = loadHotseatEntries();
- int requiredCount = mIdp.numHotseatIcons - 1;
+ int requiredCount = mDestHotseatSize - 1;
while (items.size() > requiredCount) {
// Pick the center item by default.
@@ -209,15 +183,18 @@ public class GridSizeMigrationTask {
}
newScreenId++;
- if (newScreenId == mIdp.hotseatAllAppsRank) {
+ if (newScreenId == mDestAllAppsRank) {
newScreenId++;
}
}
- }
- private void migrateWorkspace() throws Exception {
- mCarryOver = new ArrayList<>();
+ return applyOperations();
+ }
+ /**
+ * @return true if any DB change was made
+ */
+ protected boolean migrateWorkspace() throws Exception {
ArrayList<Long> allScreens = LauncherModel.loadWorkspaceScreensDb(mContext);
if (allScreens.isEmpty()) {
throw new Exception("Unable to get workspace screens");
@@ -250,6 +227,7 @@ public class GridSizeMigrationTask {
mContext.getContentResolver(),
LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
.getLong(LauncherSettings.Settings.EXTRA_VALUE);
+
allScreens.add(newScreenId);
for (DbEntry item : placement.finalPlacedItems) {
if (!mCarryOver.remove(itemMap.get(item.id))) {
@@ -264,10 +242,19 @@ public class GridSizeMigrationTask {
} while (!mCarryOver.isEmpty());
-
- LauncherAppState.getInstance().getModel()
- .updateWorkspaceScreenOrder(mContext, allScreens);
+ // Update screens
+ final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
+ mUpdateOperations.add(ContentProviderOperation.newDelete(uri).build());
+ int count = allScreens.size();
+ for (int i = 0; i < count; i++) {
+ ContentValues v = new ContentValues();
+ long screenId = allScreens.get(i);
+ v.put(LauncherSettings.WorkspaceScreens._ID, screenId);
+ v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i);
+ mUpdateOperations.add(ContentProviderOperation.newInsert(uri).withValues(v).build());
+ }
}
+ return applyOperations();
}
/**
@@ -700,96 +687,96 @@ public class GridSizeMigrationTask {
* Loads entries for a particular screen id.
*/
private ArrayList<DbEntry> loadWorkspaceEntries(long screen) {
- Cursor c = mContext.getContentResolver().query(LauncherSettings.Favorites.CONTENT_URI,
- new String[] {
- Favorites._ID, // 0
- Favorites.ITEM_TYPE, // 1
- Favorites.CELLX, // 2
- Favorites.CELLY, // 3
- Favorites.SPANX, // 4
- Favorites.SPANY, // 5
- Favorites.INTENT, // 6
- Favorites.APPWIDGET_PROVIDER}, // 7
+ Cursor c = mContext.getContentResolver().query(LauncherSettings.Favorites.CONTENT_URI,
+ new String[]{
+ Favorites._ID, // 0
+ Favorites.ITEM_TYPE, // 1
+ Favorites.CELLX, // 2
+ Favorites.CELLY, // 3
+ Favorites.SPANX, // 4
+ Favorites.SPANY, // 5
+ Favorites.INTENT, // 6
+ Favorites.APPWIDGET_PROVIDER}, // 7
Favorites.CONTAINER + " = " + Favorites.CONTAINER_DESKTOP
- + " AND " + Favorites.SCREEN + " = " + screen, null, null, null);
-
- final int indexId = c.getColumnIndexOrThrow(Favorites._ID);
- final int indexItemType = c.getColumnIndexOrThrow(Favorites.ITEM_TYPE);
- final int indexCellX = c.getColumnIndexOrThrow(Favorites.CELLX);
- final int indexCellY = c.getColumnIndexOrThrow(Favorites.CELLY);
- final int indexSpanX = c.getColumnIndexOrThrow(Favorites.SPANX);
- final int indexSpanY = c.getColumnIndexOrThrow(Favorites.SPANY);
- final int indexIntent = c.getColumnIndexOrThrow(Favorites.INTENT);
- final int indexAppWidgetProvider = c.getColumnIndexOrThrow(Favorites.APPWIDGET_PROVIDER);
-
- ArrayList<DbEntry> entries = new ArrayList<>();
- while (c.moveToNext()) {
- DbEntry entry = new DbEntry();
- entry.id = c.getLong(indexId);
- entry.itemType = c.getInt(indexItemType);
- entry.cellX = c.getInt(indexCellX);
- entry.cellY = c.getInt(indexCellY);
- entry.spanX = c.getInt(indexSpanX);
- entry.spanY = c.getInt(indexSpanY);
- entry.screenId = screen;
-
- try {
- // calculate weight
- switch (entry.itemType) {
- case Favorites.ITEM_TYPE_SHORTCUT:
- case Favorites.ITEM_TYPE_APPLICATION: {
- verifyIntent(c.getString(indexIntent));
- entry.weight = entry.itemType == Favorites.ITEM_TYPE_SHORTCUT
- ? WT_SHORTCUT : WT_APPLICATION;
- break;
- }
- case Favorites.ITEM_TYPE_APPWIDGET: {
- String provider = c.getString(indexAppWidgetProvider);
- ComponentName cn = ComponentName.unflattenFromString(provider);
- verifyPackage(cn.getPackageName());
- entry.weight = Math.max(WT_WIDGET_MIN, WT_WIDGET_FACTOR
- * entry.spanX * entry.spanY);
-
- // Migration happens for current user only.
- LauncherAppWidgetProviderInfo pInfo = LauncherModel.getProviderInfo(
- mContext, cn, UserHandleCompat.myUserHandle());
- Point spans = pInfo == null ?
- mWidgetMinSize.get(provider) : pInfo.getMinSpans(mIdp, mContext);
- if (spans != null) {
- entry.minSpanX = spans.x > 0 ? spans.x : entry.spanX;
- entry.minSpanY = spans.y > 0 ? spans.y : entry.spanY;
- } else {
- // Assume that the widget be resized down to 2x2
- entry.minSpanX = entry.minSpanY = 2;
- }
-
- if (entry.minSpanX > mTrgX || entry.minSpanY > mTrgY) {
- throw new Exception("Widget can't be resized down to fit the grid");
- }
- break;
- }
- case Favorites.ITEM_TYPE_FOLDER: {
- int total = getFolderItemsCount(entry.id);
- if (total == 0) {
- throw new Exception("Folder is empty");
- }
- entry.weight = WT_FOLDER_FACTOR * total;
- break;
- }
- default:
- throw new Exception("Invalid item type");
- }
- } catch (Exception e) {
- if (DEBUG) {
- Log.d(TAG, "Removing item " + entry.id, e);
- }
- mEntryToRemove.add(entry.id);
- continue;
- }
- entries.add(entry);
- }
- c.close();
- return entries;
+ + " AND " + Favorites.SCREEN + " = " + screen, null, null, null);
+
+ final int indexId = c.getColumnIndexOrThrow(Favorites._ID);
+ final int indexItemType = c.getColumnIndexOrThrow(Favorites.ITEM_TYPE);
+ final int indexCellX = c.getColumnIndexOrThrow(Favorites.CELLX);
+ final int indexCellY = c.getColumnIndexOrThrow(Favorites.CELLY);
+ final int indexSpanX = c.getColumnIndexOrThrow(Favorites.SPANX);
+ final int indexSpanY = c.getColumnIndexOrThrow(Favorites.SPANY);
+ final int indexIntent = c.getColumnIndexOrThrow(Favorites.INTENT);
+ final int indexAppWidgetProvider = c.getColumnIndexOrThrow(Favorites.APPWIDGET_PROVIDER);
+
+ ArrayList<DbEntry> entries = new ArrayList<>();
+ while (c.moveToNext()) {
+ DbEntry entry = new DbEntry();
+ entry.id = c.getLong(indexId);
+ entry.itemType = c.getInt(indexItemType);
+ entry.cellX = c.getInt(indexCellX);
+ entry.cellY = c.getInt(indexCellY);
+ entry.spanX = c.getInt(indexSpanX);
+ entry.spanY = c.getInt(indexSpanY);
+ entry.screenId = screen;
+
+ try {
+ // calculate weight
+ switch (entry.itemType) {
+ case Favorites.ITEM_TYPE_SHORTCUT:
+ case Favorites.ITEM_TYPE_APPLICATION: {
+ verifyIntent(c.getString(indexIntent));
+ entry.weight = entry.itemType == Favorites.ITEM_TYPE_SHORTCUT
+ ? WT_SHORTCUT : WT_APPLICATION;
+ break;
+ }
+ case Favorites.ITEM_TYPE_APPWIDGET: {
+ String provider = c.getString(indexAppWidgetProvider);
+ ComponentName cn = ComponentName.unflattenFromString(provider);
+ verifyPackage(cn.getPackageName());
+ entry.weight = Math.max(WT_WIDGET_MIN, WT_WIDGET_FACTOR
+ * entry.spanX * entry.spanY);
+
+ // Migration happens for current user only.
+ LauncherAppWidgetProviderInfo pInfo = LauncherModel.getProviderInfo(
+ mContext, cn, UserHandleCompat.myUserHandle());
+ Point spans = pInfo == null ?
+ mWidgetMinSize.get(provider) : pInfo.getMinSpans(mIdp, mContext);
+ if (spans != null) {
+ entry.minSpanX = spans.x > 0 ? spans.x : entry.spanX;
+ entry.minSpanY = spans.y > 0 ? spans.y : entry.spanY;
+ } else {
+ // Assume that the widget be resized down to 2x2
+ entry.minSpanX = entry.minSpanY = 2;
+ }
+
+ if (entry.minSpanX > mTrgX || entry.minSpanY > mTrgY) {
+ throw new Exception("Widget can't be resized down to fit the grid");
+ }
+ break;
+ }
+ case Favorites.ITEM_TYPE_FOLDER: {
+ int total = getFolderItemsCount(entry.id);
+ if (total == 0) {
+ throw new Exception("Folder is empty");
+ }
+ entry.weight = WT_FOLDER_FACTOR * total;
+ break;
+ }
+ default:
+ throw new Exception("Invalid item type");
+ }
+ } catch (Exception e) {
+ if (DEBUG) {
+ Log.d(TAG, "Removing item " + entry.id, e);
+ }
+ mEntryToRemove.add(entry.id);
+ continue;
+ }
+ entries.add(entry);
+ }
+ c.close();
+ return entries;
}
/**
@@ -797,7 +784,7 @@ public class GridSizeMigrationTask {
*/
private int getFolderItemsCount(long folderId) {
Cursor c = mContext.getContentResolver().query(LauncherSettings.Favorites.CONTENT_URI,
- new String[] {Favorites._ID, Favorites.INTENT},
+ new String[]{Favorites._ID, Favorites.INTENT},
Favorites.CONTAINER + " = " + folderId, null, null, null);
int total = 0;
@@ -897,42 +884,147 @@ public class GridSizeMigrationTask {
return new Point(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
}
- public static void markForMigration(Context context, int srcX, int srcY,
- HashSet<String> widgets) {
+ private static String getPointString(int x, int y) {
+ return String.format(Locale.ENGLISH, "%d,%d", x, y);
+ }
+
+ public static void markForMigration(
+ Context context, HashSet<String> widgets, BackupProtos.DeviceProfieData srcProfile) {
Utilities.getPrefs(context).edit()
- .putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, getPointString(srcX, srcY))
+ .putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE,
+ getPointString((int) srcProfile.desktopCols, (int) srcProfile.desktopRows))
+ .putString(KEY_MIGRATION_SRC_HOTSEAT_SIZE,
+ getPointString((int) srcProfile.hotseatCount, srcProfile.allappsRank))
.putStringSet(KEY_MIGRATION_WIDGET_MINSIZE, widgets)
.apply();
}
- public static boolean shouldRunTask(Context context) {
+ /**
+ * Migrates the workspace and hotseat in case their sizes changed.
+ * @return false if the migration failed.
+ */
+ public static boolean migrateGridIfNeeded(Context context) {
SharedPreferences prefs = Utilities.getPrefs(context);
InvariantDeviceProfile idp = LauncherAppState.getInstance().getInvariantDeviceProfile();
- // Run task if workspace or hotseat size has changed.
- return !getPointString(idp.numColumns, idp.numRows).equals(
- prefs.getString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, ""))
- || !getPointString(idp.numHotseatIcons, idp.hotseatAllAppsRank).equals(
- prefs.getString(KEY_MIGRATION_SRC_HOTSEAT_SIZE, ""));
- }
+ String gridSizeString = getPointString(idp.numColumns, idp.numRows);
+ String hotseatSizeString = getPointString(idp.numHotseatIcons, idp.hotseatAllAppsRank);
- public static void clearFlags(Context context) {
- Utilities.getPrefs(context).edit().remove(KEY_MIGRATION_WIDGET_MINSIZE).commit();
- }
+ if (gridSizeString.equals(prefs.getString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, "")) &&
+ hotseatSizeString.equals(prefs.getString(KEY_MIGRATION_SRC_HOTSEAT_SIZE, ""))) {
+ // Skip if workspace and hotseat sizes have not changed.
+ return true;
+ }
- public static void saveCurrentConfig(Context context) {
- InvariantDeviceProfile idp = LauncherAppState.getInstance().getInvariantDeviceProfile();
- Utilities.getPrefs(context).edit()
- .putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE,
- getPointString(idp.numColumns, idp.numRows))
- .putString(KEY_MIGRATION_SRC_HOTSEAT_SIZE,
- getPointString(idp.numHotseatIcons, idp.hotseatAllAppsRank))
- .remove(KEY_MIGRATION_WIDGET_MINSIZE)
- .commit();
- }
+ long migrationStartTime = System.currentTimeMillis();
+ try {
+ boolean dbChanged = false;
+
+ // Initialize list of valid packages. This contain all the packages which are already on
+ // the device and packages which are being installed. Any item which doesn't belong to
+ // this set is removed.
+ // Since the loader removes such items anyway, removing these items here doesn't cause
+ // any extra data loss and gives us more free space on the grid for better migration.
+ HashSet validPackages = new HashSet<>();
+ for (PackageInfo info : context.getPackageManager().getInstalledPackages(0)) {
+ validPackages.add(info.packageName);
+ }
+ validPackages.addAll(PackageInstallerCompat.getInstance(context)
+ .updateAndGetActiveSessionCache().keySet());
+
+ // Hotseat
+ Point srcHotseatSize = parsePoint(prefs.getString(
+ KEY_MIGRATION_SRC_HOTSEAT_SIZE, hotseatSizeString));
+ if (srcHotseatSize.x != idp.numHotseatIcons ||
+ srcHotseatSize.y != idp.hotseatAllAppsRank) {
+ // Migrate hotseat.
+
+ dbChanged = new GridSizeMigrationTask(context,
+ LauncherAppState.getInstance().getInvariantDeviceProfile(),
+ validPackages,
+ srcHotseatSize.x, srcHotseatSize.y,
+ idp.numHotseatIcons, idp.hotseatAllAppsRank).migrateHotseat();
+ }
- private static String getPointString(int x, int y) {
- return String.format(Locale.ENGLISH, "%d,%d", x, y);
- }
+ // Grid size
+ Point targetSize = new Point(idp.numColumns, idp.numRows);
+ Point sourceSize = parsePoint(prefs.getString(
+ KEY_MIGRATION_SRC_WORKSPACE_SIZE, gridSizeString));
+
+ if (!targetSize.equals(sourceSize)) {
+
+ // The following list defines all possible grid sizes (and intermediate steps
+ // during migration). Note that at each step, dx <= 1 && dy <= 1. Any grid size
+ // which is not in this list is not migrated.
+ ArrayList<Point> gridSizeSteps = new ArrayList<>();
+ gridSizeSteps.add(new Point(2, 3));
+ gridSizeSteps.add(new Point(3, 3));
+ gridSizeSteps.add(new Point(3, 4));
+ gridSizeSteps.add(new Point(4, 4));
+ gridSizeSteps.add(new Point(5, 5));
+ gridSizeSteps.add(new Point(5, 6));
+ gridSizeSteps.add(new Point(6, 6));
+ gridSizeSteps.add(new Point(7, 7));
+
+ int sourceSizeIndex = gridSizeSteps.indexOf(sourceSize);
+ int targetSizeIndex = gridSizeSteps.indexOf(targetSize);
+
+ if (sourceSizeIndex <= -1 || targetSizeIndex <= -1) {
+ throw new Exception("Unable to migrate grid size from " + sourceSize
+ + " to " + targetSize);
+ }
+
+ // Min widget sizes
+ HashMap<String, Point> widgetMinSize = new HashMap<>();
+ for (String s : Utilities.getPrefs(context).getStringSet(KEY_MIGRATION_WIDGET_MINSIZE,
+ Collections.<String>emptySet())) {
+ String[] parts = s.split("#");
+ widgetMinSize.put(parts[0], parsePoint(parts[1]));
+ }
+
+ // Migrate the workspace grid, step by step.
+ while (targetSizeIndex < sourceSizeIndex ) {
+ // We only need to migrate the grid if source size is greater
+ // than the target size.
+ Point stepTargetSize = gridSizeSteps.get(sourceSizeIndex - 1);
+ Point stepSourceSize = gridSizeSteps.get(sourceSizeIndex);
+
+ if (new GridSizeMigrationTask(context,
+ LauncherAppState.getInstance().getInvariantDeviceProfile(),
+ validPackages, widgetMinSize,
+ stepSourceSize, stepTargetSize).migrateWorkspace()) {
+ dbChanged = true;
+ }
+ sourceSizeIndex--;
+ }
+ }
+ if (dbChanged) {
+ // Make sure we haven't removed everything.
+ final Cursor c = context.getContentResolver().query(
+ LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
+ boolean hasData = c.moveToNext();
+ c.close();
+ if (!hasData) {
+ throw new Exception("Removed every thing during grid resize");
+ }
+ }
+
+ return true;
+ } catch (Exception e) {
+ Log.e(TAG, "Error during grid migration", e);
+
+ return false;
+ } finally {
+ Log.v(TAG, "Workspace migration completed in "
+ + (System.currentTimeMillis() - migrationStartTime));
+
+ // Save current configuration, so that the migration does not run again.
+ prefs.edit()
+ .putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, gridSizeString)
+ .putString(KEY_MIGRATION_SRC_HOTSEAT_SIZE, hotseatSizeString)
+ .remove(KEY_MIGRATION_WIDGET_MINSIZE)
+ .apply();
+ }
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 19:47:03 +0000