Owen Lin | f9a0a43 | 2011-08-17 22:07:43 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.gallery3d.ui; |
| 18 | |
| 19 | import com.android.gallery3d.R; |
| 20 | import com.android.gallery3d.app.CropImage; |
| 21 | import com.android.gallery3d.app.GalleryActivity; |
| 22 | import com.android.gallery3d.common.Utils; |
| 23 | import com.android.gallery3d.data.DataManager; |
| 24 | import com.android.gallery3d.data.MediaItem; |
| 25 | import com.android.gallery3d.data.MediaObject; |
| 26 | import com.android.gallery3d.data.Path; |
| 27 | import com.android.gallery3d.util.Future; |
| 28 | import com.android.gallery3d.util.GalleryUtils; |
| 29 | import com.android.gallery3d.util.ThreadPool.Job; |
| 30 | import com.android.gallery3d.util.ThreadPool.JobContext; |
| 31 | |
| 32 | import android.app.Activity; |
| 33 | import android.app.ProgressDialog; |
| 34 | import android.content.ComponentName; |
| 35 | import android.content.Context; |
| 36 | import android.content.Intent; |
| 37 | import android.net.Uri; |
| 38 | import android.os.Handler; |
| 39 | import android.os.Message; |
| 40 | import android.view.Menu; |
| 41 | import android.view.MenuItem; |
| 42 | import android.widget.Toast; |
| 43 | |
| 44 | import java.util.ArrayList; |
| 45 | |
| 46 | public class MenuExecutor { |
| 47 | @SuppressWarnings("unused") |
| 48 | private static final String TAG = "MenuExecutor"; |
| 49 | |
| 50 | private static final int MSG_TASK_COMPLETE = 1; |
| 51 | private static final int MSG_TASK_UPDATE = 2; |
| 52 | private static final int MSG_DO_SHARE = 3; |
| 53 | |
| 54 | public static final int EXECUTION_RESULT_SUCCESS = 1; |
| 55 | public static final int EXECUTION_RESULT_FAIL = 2; |
| 56 | public static final int EXECUTION_RESULT_CANCEL = 3; |
| 57 | |
| 58 | private ProgressDialog mDialog; |
| 59 | private Future<?> mTask; |
| 60 | |
| 61 | private final GalleryActivity mActivity; |
| 62 | private final SelectionManager mSelectionManager; |
| 63 | private final Handler mHandler; |
| 64 | |
| 65 | private static ProgressDialog showProgressDialog( |
| 66 | Context context, int titleId, int progressMax) { |
| 67 | ProgressDialog dialog = new ProgressDialog(context); |
| 68 | dialog.setTitle(titleId); |
| 69 | dialog.setMax(progressMax); |
| 70 | dialog.setCancelable(false); |
| 71 | dialog.setIndeterminate(false); |
| 72 | if (progressMax > 1) { |
| 73 | dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); |
| 74 | } |
| 75 | dialog.show(); |
| 76 | return dialog; |
| 77 | } |
| 78 | |
| 79 | public interface ProgressListener { |
| 80 | public void onProgressUpdate(int index); |
| 81 | public void onProgressComplete(int result); |
| 82 | } |
| 83 | |
| 84 | public MenuExecutor( |
| 85 | GalleryActivity activity, SelectionManager selectionManager) { |
| 86 | mActivity = Utils.checkNotNull(activity); |
| 87 | mSelectionManager = Utils.checkNotNull(selectionManager); |
| 88 | mHandler = new SynchronizedHandler(mActivity.getGLRoot()) { |
| 89 | @Override |
| 90 | public void handleMessage(Message message) { |
| 91 | switch (message.what) { |
| 92 | case MSG_TASK_COMPLETE: { |
| 93 | if (mDialog != null) { |
| 94 | mDialog.dismiss(); |
| 95 | mDialog = null; |
| 96 | mTask = null; |
| 97 | } |
| 98 | if (message.obj != null) { |
| 99 | ProgressListener listener = (ProgressListener) message.obj; |
| 100 | listener.onProgressComplete(message.arg1); |
| 101 | } |
| 102 | mSelectionManager.leaveSelectionMode(); |
| 103 | break; |
| 104 | } |
| 105 | case MSG_TASK_UPDATE: { |
| 106 | if (mDialog != null) mDialog.setProgress(message.arg1); |
| 107 | if (message.obj != null) { |
| 108 | ProgressListener listener = (ProgressListener) message.obj; |
| 109 | listener.onProgressUpdate(message.arg1); |
| 110 | } |
| 111 | break; |
| 112 | } |
| 113 | case MSG_DO_SHARE: { |
| 114 | ((Activity) mActivity).startActivity((Intent) message.obj); |
| 115 | break; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | }; |
| 120 | } |
| 121 | |
| 122 | public void pause() { |
| 123 | if (mTask != null) { |
| 124 | mTask.cancel(); |
| 125 | mTask.waitDone(); |
| 126 | mDialog.dismiss(); |
| 127 | mDialog = null; |
| 128 | mTask = null; |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | private void onProgressUpdate(int index, ProgressListener listener) { |
| 133 | mHandler.sendMessage( |
| 134 | mHandler.obtainMessage(MSG_TASK_UPDATE, index, 0, listener)); |
| 135 | } |
| 136 | |
| 137 | private void onProgressComplete(int result, ProgressListener listener) { |
| 138 | mHandler.sendMessage(mHandler.obtainMessage(MSG_TASK_COMPLETE, result, 0, listener)); |
| 139 | } |
| 140 | |
| 141 | private int getShareType(SelectionManager selectionManager) { |
| 142 | ArrayList<Path> items = selectionManager.getSelected(false); |
| 143 | int type = 0; |
| 144 | DataManager dataManager = mActivity.getDataManager(); |
| 145 | for (Path id : items) { |
| 146 | type |= dataManager.getMediaType(id); |
| 147 | } |
| 148 | return type; |
| 149 | } |
| 150 | |
| 151 | private void onShareItemClicked(final SelectionManager selectionManager, |
| 152 | final String mimeType, final ComponentName component) { |
| 153 | Utils.assertTrue(mDialog == null); |
| 154 | final ArrayList<Path> items = selectionManager.getSelected(true); |
| 155 | mDialog = showProgressDialog((Activity) mActivity, |
| 156 | R.string.loading_image, items.size()); |
| 157 | |
| 158 | mTask = mActivity.getThreadPool().submit(new Job<Void>() { |
| 159 | @Override |
| 160 | public Void run(JobContext jc) { |
| 161 | DataManager manager = mActivity.getDataManager(); |
| 162 | ArrayList<Uri> uris = new ArrayList<Uri>(items.size()); |
| 163 | int index = 0; |
| 164 | for (Path path : items) { |
| 165 | if ((manager.getSupportedOperations(path) |
| 166 | & MediaObject.SUPPORT_SHARE) != 0) { |
| 167 | uris.add(manager.getContentUri(path)); |
| 168 | } |
| 169 | onProgressUpdate(++index, null); |
| 170 | } |
| 171 | if (jc.isCancelled()) return null; |
| 172 | Intent intent = new Intent() |
| 173 | .setComponent(component).setType(mimeType); |
| 174 | if (uris.isEmpty()) { |
| 175 | return null; |
| 176 | } else if (uris.size() == 1) { |
| 177 | intent.setAction(Intent.ACTION_SEND); |
| 178 | intent.putExtra(Intent.EXTRA_STREAM, uris.get(0)); |
| 179 | } else { |
| 180 | intent.setAction(Intent.ACTION_SEND_MULTIPLE); |
| 181 | intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris); |
| 182 | } |
| 183 | onProgressComplete(EXECUTION_RESULT_SUCCESS, null); |
| 184 | mHandler.sendMessage(mHandler.obtainMessage(MSG_DO_SHARE, intent)); |
| 185 | return null; |
| 186 | } |
| 187 | }, null); |
| 188 | } |
| 189 | |
| 190 | private static void setMenuItemVisibility( |
| 191 | Menu menu, int id, boolean visibility) { |
| 192 | MenuItem item = menu.findItem(id); |
| 193 | if (item != null) item.setVisible(visibility); |
| 194 | } |
| 195 | |
| 196 | public static void updateMenuOperation(Menu menu, int supported) { |
| 197 | boolean supportDelete = (supported & MediaObject.SUPPORT_DELETE) != 0; |
| 198 | boolean supportRotate = (supported & MediaObject.SUPPORT_ROTATE) != 0; |
| 199 | boolean supportCrop = (supported & MediaObject.SUPPORT_CROP) != 0; |
| 200 | boolean supportShare = (supported & MediaObject.SUPPORT_SHARE) != 0; |
| 201 | boolean supportSetAs = (supported & MediaObject.SUPPORT_SETAS) != 0; |
| 202 | boolean supportShowOnMap = (supported & MediaObject.SUPPORT_SHOW_ON_MAP) != 0; |
| 203 | boolean supportCache = (supported & MediaObject.SUPPORT_CACHE) != 0; |
| 204 | boolean supportEdit = (supported & MediaObject.SUPPORT_EDIT) != 0; |
| 205 | boolean supportInfo = (supported & MediaObject.SUPPORT_INFO) != 0; |
| 206 | boolean supportImport = (supported & MediaObject.SUPPORT_IMPORT) != 0; |
| 207 | |
| 208 | setMenuItemVisibility(menu, R.id.action_delete, supportDelete); |
| 209 | setMenuItemVisibility(menu, R.id.action_rotate_ccw, supportRotate); |
| 210 | setMenuItemVisibility(menu, R.id.action_rotate_cw, supportRotate); |
| 211 | setMenuItemVisibility(menu, R.id.action_crop, supportCrop); |
| 212 | setMenuItemVisibility(menu, R.id.action_share, supportShare); |
| 213 | setMenuItemVisibility(menu, R.id.action_setas, supportSetAs); |
| 214 | setMenuItemVisibility(menu, R.id.action_show_on_map, supportShowOnMap); |
| 215 | setMenuItemVisibility(menu, R.id.action_edit, supportEdit); |
| 216 | setMenuItemVisibility(menu, R.id.action_details, supportInfo); |
| 217 | setMenuItemVisibility(menu, R.id.action_import, supportImport); |
| 218 | } |
| 219 | |
| 220 | private Path getSingleSelectedPath() { |
| 221 | ArrayList<Path> ids = mSelectionManager.getSelected(true); |
| 222 | Utils.assertTrue(ids.size() == 1); |
| 223 | return ids.get(0); |
| 224 | } |
| 225 | |
| 226 | public boolean onMenuClicked(MenuItem menuItem, ProgressListener listener) { |
| 227 | int title; |
| 228 | DataManager manager = mActivity.getDataManager(); |
| 229 | int action = menuItem.getItemId(); |
| 230 | switch (action) { |
| 231 | case R.id.action_select_all: |
| 232 | if (mSelectionManager.inSelectAllMode()) { |
| 233 | mSelectionManager.deSelectAll(); |
| 234 | } else { |
| 235 | mSelectionManager.selectAll(); |
| 236 | } |
| 237 | return true; |
| 238 | case R.id.action_crop: { |
| 239 | Path path = getSingleSelectedPath(); |
| 240 | String mimeType = getMimeType(manager.getMediaType(path)); |
| 241 | Intent intent = new Intent(CropImage.ACTION_CROP) |
| 242 | .setDataAndType(manager.getContentUri(path), mimeType); |
| 243 | ((Activity) mActivity).startActivity(intent); |
| 244 | return true; |
| 245 | } |
| 246 | case R.id.action_setas: { |
| 247 | Path path = getSingleSelectedPath(); |
| 248 | int type = manager.getMediaType(path); |
| 249 | Intent intent = new Intent(Intent.ACTION_ATTACH_DATA); |
| 250 | String mimeType = getMimeType(type); |
| 251 | intent.setDataAndType(manager.getContentUri(path), mimeType); |
| 252 | intent.putExtra("mimeType", mimeType); |
| 253 | intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| 254 | Activity activity = (Activity) mActivity; |
| 255 | activity.startActivity(Intent.createChooser( |
| 256 | intent, activity.getString(R.string.set_as))); |
| 257 | return true; |
| 258 | } |
| 259 | case R.id.action_confirm_delete: |
| 260 | title = R.string.delete; |
| 261 | break; |
| 262 | case R.id.action_rotate_cw: |
| 263 | title = R.string.rotate_right; |
| 264 | break; |
| 265 | case R.id.action_rotate_ccw: |
| 266 | title = R.string.rotate_left; |
| 267 | break; |
| 268 | case R.id.action_show_on_map: |
| 269 | title = R.string.show_on_map; |
| 270 | break; |
| 271 | case R.id.action_edit: |
| 272 | title = R.string.edit; |
| 273 | break; |
| 274 | case R.id.action_import: |
| 275 | title = R.string.Import; |
| 276 | break; |
| 277 | default: |
| 278 | return false; |
| 279 | } |
| 280 | startAction(action, title, listener); |
| 281 | return true; |
| 282 | } |
| 283 | |
| 284 | public void startAction(int action, int title, ProgressListener listener) { |
| 285 | ArrayList<Path> ids = mSelectionManager.getSelected(false); |
| 286 | Utils.assertTrue(mDialog == null); |
| 287 | |
| 288 | Activity activity = (Activity) mActivity; |
| 289 | mDialog = showProgressDialog(activity, title, ids.size()); |
| 290 | MediaOperation operation = new MediaOperation(action, ids, listener); |
| 291 | mTask = mActivity.getThreadPool().submit(operation, null); |
| 292 | } |
| 293 | |
| 294 | public static String getMimeType(int type) { |
| 295 | switch (type) { |
| 296 | case MediaObject.MEDIA_TYPE_IMAGE : |
| 297 | return "image/*"; |
| 298 | case MediaObject.MEDIA_TYPE_VIDEO : |
| 299 | return "video/*"; |
| 300 | default: return "*/*"; |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | private boolean execute( |
| 305 | DataManager manager, JobContext jc, int cmd, Path path) { |
| 306 | boolean result = true; |
| 307 | switch (cmd) { |
| 308 | case R.id.action_confirm_delete: |
| 309 | manager.delete(path); |
| 310 | break; |
| 311 | case R.id.action_rotate_cw: |
| 312 | manager.rotate(path, 90); |
| 313 | break; |
| 314 | case R.id.action_rotate_ccw: |
| 315 | manager.rotate(path, -90); |
| 316 | break; |
| 317 | case R.id.action_toggle_full_caching: { |
| 318 | MediaObject obj = manager.getMediaObject(path); |
| 319 | int cacheFlag = obj.getCacheFlag(); |
| 320 | if (cacheFlag == MediaObject.CACHE_FLAG_FULL) { |
| 321 | cacheFlag = MediaObject.CACHE_FLAG_SCREENNAIL; |
| 322 | } else { |
| 323 | cacheFlag = MediaObject.CACHE_FLAG_FULL; |
| 324 | } |
| 325 | obj.cache(cacheFlag); |
| 326 | break; |
| 327 | } |
| 328 | case R.id.action_show_on_map: { |
| 329 | MediaItem item = (MediaItem) manager.getMediaObject(path); |
| 330 | double latlng[] = new double[2]; |
| 331 | item.getLatLong(latlng); |
| 332 | if (GalleryUtils.isValidLocation(latlng[0], latlng[1])) { |
| 333 | GalleryUtils.showOnMap((Context) mActivity, latlng[0], latlng[1]); |
| 334 | } |
| 335 | break; |
| 336 | } |
| 337 | case R.id.action_import: { |
| 338 | MediaObject obj = manager.getMediaObject(path); |
| 339 | result = obj.Import(); |
| 340 | break; |
| 341 | } |
| 342 | case R.id.action_edit: { |
| 343 | Activity activity = (Activity) mActivity; |
| 344 | MediaItem item = (MediaItem) manager.getMediaObject(path); |
| 345 | try { |
| 346 | activity.startActivity(Intent.createChooser( |
| 347 | new Intent(Intent.ACTION_EDIT) |
| 348 | .setData(item.getContentUri()) |
| 349 | .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION), |
| 350 | null)); |
| 351 | } catch (Throwable t) { |
| 352 | Log.w(TAG, "failed to start edit activity: ", t); |
| 353 | Toast.makeText(activity, |
| 354 | activity.getString(R.string.activity_not_found), |
| 355 | Toast.LENGTH_SHORT).show(); |
| 356 | } |
| 357 | break; |
| 358 | } |
| 359 | default: |
| 360 | throw new AssertionError(); |
| 361 | } |
| 362 | return result; |
| 363 | } |
| 364 | |
| 365 | private class MediaOperation implements Job<Void> { |
| 366 | private final ArrayList<Path> mItems; |
| 367 | private final int mOperation; |
| 368 | private final ProgressListener mListener; |
| 369 | |
| 370 | public MediaOperation(int operation, ArrayList<Path> items, ProgressListener listener) { |
| 371 | mOperation = operation; |
| 372 | mItems = items; |
| 373 | mListener = listener; |
| 374 | } |
| 375 | |
| 376 | public Void run(JobContext jc) { |
| 377 | int index = 0; |
| 378 | DataManager manager = mActivity.getDataManager(); |
| 379 | int result = EXECUTION_RESULT_SUCCESS; |
| 380 | for (Path id : mItems) { |
| 381 | if (jc.isCancelled()) { |
| 382 | result = EXECUTION_RESULT_CANCEL; |
| 383 | break; |
| 384 | } |
| 385 | try { |
| 386 | if (!execute(manager, jc, mOperation, id)) result = EXECUTION_RESULT_FAIL; |
| 387 | } catch (Throwable th) { |
| 388 | Log.e(TAG, "failed to execute operation " + mOperation |
| 389 | + " for " + id, th); |
| 390 | } |
| 391 | onProgressUpdate(index++, mListener); |
| 392 | } |
| 393 | onProgressComplete(result, mListener); |
| 394 | return null; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |