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Extending the grid migration logic to handle density changes

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For hotseat migratino, we simply drop the items with least weight
If the workspace row/column decreases by 2 or more, we clear the whole workspace

Bug: 25958224
Change-Id: I7131b955023d185ed10955f593184b9238546dc8
This commit is contained in:
Sunny Goyal
2015-12-14 14:27:38 -08:00
parent 52279f3bc3
commit f862a26347
6 changed files with 240 additions and 57 deletions
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src/com/android/launcher3/LauncherBackupHelper.java
+2 -2
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@@ -52,7 +52,7 @@ import com.android.launcher3.backup.BackupProtos.Screen;
import com.android.launcher3.backup.BackupProtos.Widget;
import com.android.launcher3.compat.UserHandleCompat;
import com.android.launcher3.compat.UserManagerCompat;
import com.android.launcher3.model.MigrateFromRestoreTask;
import com.android.launcher3.model.GridSizeMigrationTask;
import com.android.launcher3.util.Thunk;
import com.google.protobuf.nano.InvalidProtocolBufferNanoException;
import com.google.protobuf.nano.MessageNano;
@@ -315,7 +315,7 @@ public class LauncherBackupHelper implements BackupHelper {
return true;
}
if (MigrateFromRestoreTask.ENABLED &&
if (GridSizeMigrationTask.ENABLED &&
(oldProfile.desktopCols - currentProfile.desktopCols <= 1) &&
(oldProfile.desktopRows - currentProfile.desktopRows <= 1)) {
// Allow desktop migration when row and/or column count contracts by 1.