| /* |
| * 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.AlertDialog; |
| import android.app.ProgressDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnCancelListener; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| |
| 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; |
| // wait the operation to finish when we want to stop it. |
| private boolean mWaitOnStop; |
| |
| private final GalleryActivity mActivity; |
| private final SelectionManager mSelectionManager; |
| private final Handler mHandler; |
| |
| private static ProgressDialog createProgressDialog( |
| 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); |
| } |
| return dialog; |
| } |
| |
| public interface ProgressListener { |
| public void onConfirmDialogShown(); |
| public void onConfirmDialogDismissed(boolean confirmed); |
| 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) { |
| if (!mWaitOnStop) 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); |
| } |
| |
| private Intent getIntentBySingleSelectedPath(String action) { |
| DataManager manager = mActivity.getDataManager(); |
| Path path = getSingleSelectedPath(); |
| String mimeType = getMimeType(manager.getMediaType(path)); |
| return new Intent(action).setDataAndType(manager.getContentUri(path), mimeType); |
| } |
| |
| private void onMenuClicked(int action, ProgressListener listener) { |
| onMenuClicked(action, listener, false, true); |
| } |
| |
| public void onMenuClicked(int action, ProgressListener listener, |
| boolean waitOnStop, boolean showDialog) { |
| int title; |
| switch (action) { |
| case R.id.action_select_all: |
| if (mSelectionManager.inSelectAllMode()) { |
| mSelectionManager.deSelectAll(); |
| } else { |
| mSelectionManager.selectAll(); |
| } |
| return; |
| case R.id.action_crop: { |
| Intent intent = getIntentBySingleSelectedPath(CropImage.ACTION_CROP); |
| ((Activity) mActivity).startActivity(intent); |
| return; |
| } |
| case R.id.action_edit: { |
| Intent intent = getIntentBySingleSelectedPath(Intent.ACTION_EDIT) |
| .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| ((Activity) mActivity).startActivity(Intent.createChooser(intent, null)); |
| return; |
| } |
| case R.id.action_setas: { |
| Intent intent = getIntentBySingleSelectedPath(Intent.ACTION_ATTACH_DATA) |
| .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| intent.putExtra("mimeType", intent.getType()); |
| Activity activity = (Activity) mActivity; |
| activity.startActivity(Intent.createChooser( |
| intent, activity.getString(R.string.set_as))); |
| return; |
| } |
| case R.id.action_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_import: |
| title = R.string.Import; |
| break; |
| default: |
| return; |
| } |
| startAction(action, title, listener, waitOnStop, showDialog); |
| } |
| |
| private class ConfirmDialogListener implements OnClickListener, OnCancelListener { |
| private final int mActionId; |
| private final ProgressListener mListener; |
| |
| public ConfirmDialogListener(int actionId, ProgressListener listener) { |
| mActionId = actionId; |
| mListener = listener; |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == DialogInterface.BUTTON_POSITIVE) { |
| if (mListener != null) { |
| mListener.onConfirmDialogDismissed(true); |
| } |
| onMenuClicked(mActionId, mListener); |
| } else { |
| if (mListener != null) { |
| mListener.onConfirmDialogDismissed(false); |
| } |
| } |
| } |
| |
| @Override |
| public void onCancel(DialogInterface dialog) { |
| if (mListener != null) { |
| mListener.onConfirmDialogDismissed(false); |
| } |
| } |
| } |
| |
| public void onMenuClicked(MenuItem menuItem, String confirmMsg, |
| final ProgressListener listener) { |
| final int action = menuItem.getItemId(); |
| |
| if (confirmMsg != null) { |
| if (listener != null) listener.onConfirmDialogShown(); |
| ConfirmDialogListener cdl = new ConfirmDialogListener(action, listener); |
| new AlertDialog.Builder(mActivity.getAndroidContext()) |
| .setMessage(confirmMsg) |
| .setOnCancelListener(cdl) |
| .setPositiveButton(R.string.ok, cdl) |
| .setNegativeButton(R.string.cancel, cdl) |
| .create().show(); |
| } else { |
| onMenuClicked(action, listener); |
| } |
| } |
| |
| public void startAction(int action, int title, ProgressListener listener) { |
| startAction(action, title, listener, false, true); |
| } |
| |
| public void startAction(int action, int title, ProgressListener listener, |
| boolean waitOnStop, boolean showDialog) { |
| ArrayList<Path> ids = mSelectionManager.getSelected(false); |
| stopTaskAndDismissDialog(); |
| |
| Activity activity = (Activity) mActivity; |
| mDialog = createProgressDialog(activity, title, ids.size()); |
| if (showDialog) { |
| mDialog.show(); |
| } |
| MediaOperation operation = new MediaOperation(action, ids, listener); |
| mTask = mActivity.getThreadPool().submit(operation, null); |
| mWaitOnStop = waitOnStop; |
| } |
| |
| 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_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; |
| } |
| 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; |
| } |
| } |
| } |
