private void saveStackBlocking() {
final ContentResolver resolver = getContentResolver();
final ContentValues values = new ContentValues();
final byte[] rawStack = DurableUtils.writeToArrayOrNull(mState.stack);
if (mState.action == ACTION_CREATE || mState.action == ACTION_OPEN_TREE) {
// Remember stack for last create
values.clear();
values.put(RecentColumns.KEY, mState.stack.buildKey());
values.put(RecentColumns.STACK, rawStack);
resolver.insert(RecentsProvider.buildRecent(), values);
}
// Remember location for next app launch
final String packageName = getCallingPackageMaybeExtra();
values.clear();
values.put(ResumeColumns.STACK, rawStack);
values.put(ResumeColumns.EXTERNAL, 0);
resolver.insert(RecentsProvider.buildResume(packageName), values);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult() resultCode=" + resultCode + ", data=" + data);
// Only relay back results when not canceled; otherwise stick around to
// let the user pick another app/backend.
if (requestCode == CODE_FORWARD && resultCode != RESULT_CANCELED) {
// Remember that we last picked via external app
final String packageName = getCallingPackageMaybeExtra();
final ContentValues values = new ContentValues();
values.put(ResumeColumns.EXTERNAL, 1);
getContentResolver().insert(RecentsProvider.buildResume(packageName), values);
// Pass back result to original caller
setResult(resultCode, data);
finish();
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
@Override
protected Void doInBackground(Void... params) {
// Restore last stack for calling package
final String packageName = getCallingPackageMaybeExtra();
final Cursor cursor =
getContentResolver()
.query(RecentsProvider.buildResume(packageName), null, null, null, null);
try {
if (cursor.moveToFirst()) {
mExternal = cursor.getInt(cursor.getColumnIndex(ResumeColumns.EXTERNAL)) != 0;
final byte[] rawStack = cursor.getBlob(cursor.getColumnIndex(ResumeColumns.STACK));
/// M: modify stack on UI thread @{
DurableUtils.readFromArray(rawStack, mStack);
mRestoredStack = true;
mShouldReset = true;
/// @}
}
} catch (IOException e) {
Log.w(TAG, "Failed to resume: " + e);
} finally {
IoUtils.closeQuietly(cursor);
}
/// M: modify stack on UI thread @{
if (mRestoredStack) {
// Update the restored stack to ensure we have freshest data
final Collection<RootInfo> matchingRoots = mRoots.getMatchingRootsBlocking(mState);
try {
mStack.updateRoot(matchingRoots);
mStack.updateDocuments(getContentResolver());
} catch (FileNotFoundException e) {
Log.w(TAG, "Failed to restore stack: " + e);
mStack.reset();
mRestoredStack = false;
}
}
/// @}
return null;
}
