/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.ui;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import com.android.gallery3d.R;
import com.android.gallery3d.app.CropImage;
import com.android.gallery3d.app.GalleryActivity;
import com.android.gallery3d.common.Utils;
import com.android.gallery3d.data.DataManager;
import com.android.gallery3d.data.MediaItem;
import com.android.gallery3d.data.MediaObject;
import com.android.gallery3d.data.Path;
import com.android.gallery3d.util.Future;
import com.android.gallery3d.util.GalleryUtils;
import com.android.gallery3d.util.ThreadPool.Job;
import com.android.gallery3d.util.ThreadPool.JobContext;
import java.util.ArrayList;
public class MenuExecutor {
@SuppressWarnings("unused")
private static final String TAG = "MenuExecutor";
private static final int MSG_TASK_COMPLETE = 1;
private static final int MSG_TASK_UPDATE = 2;
private static final int MSG_DO_SHARE = 3;
public static final int EXECUTION_RESULT_SUCCESS = 1;
public static final int EXECUTION_RESULT_FAIL = 2;
public static final int EXECUTION_RESULT_CANCEL = 3;
private ProgressDialog mDialog;
private Future<?> mTask;
private final GalleryActivity mActivity;
private final SelectionManager mSelectionManager;
private final Handler mHandler;
private static ProgressDialog showProgressDialog(
Context context, int titleId, int progressMax) {
ProgressDialog dialog = new ProgressDialog(context);
dialog.setTitle(titleId);
dialog.setMax(progressMax);
dialog.setCancelable(false);
dialog.setIndeterminate(false);
if (progressMax > 1) {
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
}
dialog.show();
return dialog;
}
public interface ProgressListener {
public void onProgressUpdate(int index);
public void onProgressComplete(int result);
}
public MenuExecutor(
GalleryActivity activity, SelectionManager selectionManager) {
mActivity = Utils.checkNotNull(activity);
mSelectionManager = Utils.checkNotNull(selectionManager);
mHandler = new SynchronizedHandler(mActivity.getGLRoot()) {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case MSG_TASK_COMPLETE: {
stopTaskAndDismissDialog();
if (message.obj != null) {
ProgressListener listener = (ProgressListener) message.obj;
listener.onProgressComplete(message.arg1);
}
mSelectionManager.leaveSelectionMode();
break;
}
case MSG_TASK_UPDATE: {
if (mDialog != null) mDialog.setProgress(message.arg1);
if (message.obj != null) {
ProgressListener listener = (ProgressListener) message.obj;
listener.onProgressUpdate(message.arg1);
}
break;
}
case MSG_DO_SHARE: {
((Activity) mActivity).startActivity((Intent) message.obj);
break;
}
}
}
};
}
private void stopTaskAndDismissDialog() {
if (mTask != null) {
mTask.cancel();
mTask.waitDone();
mDialog.dismiss();
mDialog = null;
mTask = null;
}
}
public void pause() {
stopTaskAndDismissDialog();
}
private void onProgressUpdate(int index, ProgressListener listener) {
mHandler.sendMessage(
mHandler.obtainMessage(MSG_TASK_UPDATE, index, 0, listener));
}
private void onProgressComplete(int result, ProgressListener listener) {
mHandler.sendMessage(mHandler.obtainMessage(MSG_TASK_COMPLETE, result, 0, listener));
}
private static void setMenuItemVisibility(
Menu menu, int id, boolean visibility) {
MenuItem item = menu.findItem(id);
if (item != null) item.setVisible(visibility);
}
public static void updateMenuOperation(Menu menu, int supported) {
boolean supportDelete = (supported & MediaObject.SUPPORT_DELETE) != 0;
boolean supportRotate = (supported & MediaObject.SUPPORT_ROTATE) != 0;
boolean supportCrop = (supported & MediaObject.SUPPORT_CROP) != 0;
boolean supportShare = (supported & MediaObject.SUPPORT_SHARE) != 0;
boolean supportSetAs = (supported & MediaObject.SUPPORT_SETAS) != 0;
boolean supportShowOnMap = (supported & MediaObject.SUPPORT_SHOW_ON_MAP) != 0;
boolean supportCache = (supported & MediaObject.SUPPORT_CACHE) != 0;
boolean supportEdit = (supported & MediaObject.SUPPORT_EDIT) != 0;
boolean supportInfo = (supported & MediaObject.SUPPORT_INFO) != 0;
boolean supportImport = (supported & MediaObject.SUPPORT_IMPORT) != 0;
setMenuItemVisibility(menu, R.id.action_delete, supportDelete);
setMenuItemVisibility(menu, R.id.action_rotate_ccw, supportRotate);
setMenuItemVisibility(menu, R.id.action_rotate_cw, supportRotate);
setMenuItemVisibility(menu, R.id.action_crop, supportCrop);
setMenuItemVisibility(menu, R.id.action_share, supportShare);
setMenuItemVisibility(menu, R.id.action_setas, supportSetAs);
setMenuItemVisibility(menu, R.id.action_show_on_map, supportShowOnMap);
setMenuItemVisibility(menu, R.id.action_edit, supportEdit);
setMenuItemVisibility(menu, R.id.action_details, supportInfo);
setMenuItemVisibility(menu, R.id.action_import, supportImport);
}
private Path getSingleSelectedPath() {
ArrayList<Path> ids = mSelectionManager.getSelected(true);
Utils.assertTrue(ids.size() == 1);
return ids.get(0);
}
public boolean onMenuClicked(MenuItem menuItem, ProgressListener listener) {
int title;
DataManager manager = mActivity.getDataManager();
int action = menuItem.getItemId();
switch (action) {
case R.id.action_select_all:
if (mSelectionManager.inSelectAllMode()) {
mSelectionManager.deSelectAll();
} else {
mSelectionManager.selectAll();
}
return true;
case R.id.action_crop: {
Path path = getSingleSelectedPath();
String mimeType = getMimeType(manager.getMediaType(path));
Intent intent = new Intent(CropImage.ACTION_CROP)
.setDataAndType(manager.getContentUri(path), mimeType);
((Activity) mActivity).startActivity(intent);
return true;
}
case R.id.action_setas: {
Path path = getSingleSelectedPath();
int type = manager.getMediaType(path);
Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
String mimeType = getMimeType(type);
intent.setDataAndType(manager.getContentUri(path), mimeType);
intent.putExtra("mimeType", mimeType);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
Activity activity = (Activity) mActivity;
activity.startActivity(Intent.createChooser(
intent, activity.getString(R.string.set_as)));
return true;
}
case R.id.action_confirm_delete:
title = R.string.delete;
break;
case R.id.action_rotate_cw:
title = R.string.rotate_right;
break;
case R.id.action_rotate_ccw:
title = R.string.rotate_left;
break;
case R.id.action_show_on_map:
title = R.string.show_on_map;
break;
case R.id.action_edit:
title = R.string.edit;
break;
case R.id.action_import:
title = R.string.Import;
break;
default:
return false;
}
startAction(action, title, listener);
return true;
}
public void startAction(int action, int title, ProgressListener listener) {
ArrayList<Path> ids = mSelectionManager.getSelected(false);
stopTaskAndDismissDialog();
Activity activity = (Activity) mActivity;
mDialog = showProgressDialog(activity, title, ids.size());
MediaOperation operation = new MediaOperation(action, ids, listener);
mTask = mActivity.getThreadPool().submit(operation, null);
}
public static String getMimeType(int type) {
switch (type) {
case MediaObject.MEDIA_TYPE_IMAGE :
return "image/*";
case MediaObject.MEDIA_TYPE_VIDEO :
return "video/*";
default: return "*/*";
}
}
private boolean execute(
DataManager manager, JobContext jc, int cmd, Path path) {
boolean result = true;
Log.v(TAG, "Execute cmd: " + cmd + " for " + path);
long startTime = System.currentTimeMillis();
switch (cmd) {
case R.id.action_confirm_delete:
manager.delete(path);
break;
case R.id.action_rotate_cw:
manager.rotate(path, 90);
break;
case R.id.action_rotate_ccw:
manager.rotate(path, -90);
break;
case R.id.action_toggle_full_caching: {
MediaObject obj = manager.getMediaObject(path);
int cacheFlag = obj.getCacheFlag();
if (cacheFlag == MediaObject.CACHE_FLAG_FULL) {
cacheFlag = MediaObject.CACHE_FLAG_SCREENNAIL;
} else {
cacheFlag = MediaObject.CACHE_FLAG_FULL;
}
obj.cache(cacheFlag);
break;
}
case R.id.action_show_on_map: {
MediaItem item = (MediaItem) manager.getMediaObject(path);
double latlng[] = new double[2];
item.getLatLong(latlng);
if (GalleryUtils.isValidLocation(latlng[0], latlng[1])) {
GalleryUtils.showOnMap((Context) mActivity, latlng[0], latlng[1]);
}
break;
}
case R.id.action_import: {
MediaObject obj = manager.getMediaObject(path);
result = obj.Import();
break;
}
case R.id.action_edit: {
Activity activity = (Activity) mActivity;
MediaItem item = (MediaItem) manager.getMediaObject(path);
try {
activity.startActivity(Intent.createChooser(
new Intent(Intent.ACTION_EDIT)
.setDataAndType(item.getContentUri(), item.getMimeType())
.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION),
null));
} catch (Throwable t) {
Log.w(TAG, "failed to start edit activity: ", t);
Toast.makeText(activity,
activity.getString(R.string.activity_not_found),
Toast.LENGTH_SHORT).show();
}
break;
}
default:
throw new AssertionError();
}
Log.v(TAG, "It takes " + (System.currentTimeMillis() - startTime) +
" ms to execute cmd for " + path);
return result;
}
private class MediaOperation implements Job<Void> {
private final ArrayList<Path> mItems;
private final int mOperation;
private final ProgressListener mListener;
public MediaOperation(int operation, ArrayList<Path> items, ProgressListener listener) {
mOperation = operation;
mItems = items;
mListener = listener;
}
public Void run(JobContext jc) {
int index = 0;
DataManager manager = mActivity.getDataManager();
int result = EXECUTION_RESULT_SUCCESS;
try {
for (Path id : mItems) {
if (jc.isCancelled()) {
result = EXECUTION_RESULT_CANCEL;
break;
}
if (!execute(manager, jc, mOperation, id)) {
result = EXECUTION_RESULT_FAIL;
}
onProgressUpdate(index++, mListener);
}
} catch (Throwable th) {
Log.e(TAG, "failed to execute operation " + mOperation
+ " : " + th);
} finally {
onProgressComplete(result, mListener);
}
return null;
}
}
}