811a5a4a |
1 | /* |
2 | * Copyright (C) 2011 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 android.support.v2.app; |
18 | |
19 | import android.os.Parcel; |
20 | import android.os.Parcelable; |
21 | import android.text.TextUtils; |
22 | import android.util.Log; |
23 | |
24 | import java.io.FileDescriptor; |
25 | import java.io.PrintWriter; |
26 | import java.util.ArrayList; |
27 | |
28 | final class BackStackState implements Parcelable { |
29 | final int[] mOps; |
30 | final int mTransition; |
31 | final int mTransitionStyle; |
32 | final String mName; |
33 | final int mIndex; |
34 | final int mBreadCrumbTitleRes; |
35 | final CharSequence mBreadCrumbTitleText; |
36 | final int mBreadCrumbShortTitleRes; |
37 | final CharSequence mBreadCrumbShortTitleText; |
38 | |
39 | public BackStackState(FragmentManagerImpl fm, BackStackRecord bse) { |
40 | int numRemoved = 0; |
41 | BackStackRecord.Op op = bse.mHead; |
42 | while (op != null) { |
43 | if (op.removed != null) numRemoved += op.removed.size(); |
44 | op = op.next; |
45 | } |
46 | mOps = new int[bse.mNumOp*5 + numRemoved]; |
47 | |
48 | if (!bse.mAddToBackStack) { |
49 | throw new IllegalStateException("Not on back stack"); |
50 | } |
51 | |
52 | op = bse.mHead; |
53 | int pos = 0; |
54 | while (op != null) { |
55 | mOps[pos++] = op.cmd; |
56 | mOps[pos++] = op.fragment.mIndex; |
57 | mOps[pos++] = op.enterAnim; |
58 | mOps[pos++] = op.exitAnim; |
59 | if (op.removed != null) { |
60 | final int N = op.removed.size(); |
61 | mOps[pos++] = N; |
62 | for (int i=0; i<N; i++) { |
63 | mOps[pos++] = op.removed.get(i).mIndex; |
64 | } |
65 | } else { |
66 | mOps[pos++] = 0; |
67 | } |
68 | op = op.next; |
69 | } |
70 | mTransition = bse.mTransition; |
71 | mTransitionStyle = bse.mTransitionStyle; |
72 | mName = bse.mName; |
73 | mIndex = bse.mIndex; |
74 | mBreadCrumbTitleRes = bse.mBreadCrumbTitleRes; |
75 | mBreadCrumbTitleText = bse.mBreadCrumbTitleText; |
76 | mBreadCrumbShortTitleRes = bse.mBreadCrumbShortTitleRes; |
77 | mBreadCrumbShortTitleText = bse.mBreadCrumbShortTitleText; |
78 | } |
79 | |
80 | public BackStackState(Parcel in) { |
81 | mOps = in.createIntArray(); |
82 | mTransition = in.readInt(); |
83 | mTransitionStyle = in.readInt(); |
84 | mName = in.readString(); |
85 | mIndex = in.readInt(); |
86 | mBreadCrumbTitleRes = in.readInt(); |
87 | mBreadCrumbTitleText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
88 | mBreadCrumbShortTitleRes = in.readInt(); |
89 | mBreadCrumbShortTitleText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
90 | } |
91 | |
92 | public BackStackRecord instantiate(FragmentManagerImpl fm) { |
93 | BackStackRecord bse = new BackStackRecord(fm); |
94 | int pos = 0; |
95 | while (pos < mOps.length) { |
96 | BackStackRecord.Op op = new BackStackRecord.Op(); |
97 | op.cmd = mOps[pos++]; |
98 | if (FragmentManagerImpl.DEBUG) Log.v(FragmentManagerImpl.TAG, |
99 | "BSE " + bse + " set base fragment #" + mOps[pos]); |
100 | Fragment f = fm.mActive.get(mOps[pos++]); |
101 | op.fragment = f; |
102 | op.enterAnim = mOps[pos++]; |
103 | op.exitAnim = mOps[pos++]; |
104 | final int N = mOps[pos++]; |
105 | if (N > 0) { |
106 | op.removed = new ArrayList<Fragment>(N); |
107 | for (int i=0; i<N; i++) { |
108 | if (FragmentManagerImpl.DEBUG) Log.v(FragmentManagerImpl.TAG, |
109 | "BSE " + bse + " set remove fragment #" + mOps[pos]); |
110 | Fragment r = fm.mActive.get(mOps[pos++]); |
111 | op.removed.add(r); |
112 | } |
113 | } |
114 | bse.addOp(op); |
115 | } |
116 | bse.mTransition = mTransition; |
117 | bse.mTransitionStyle = mTransitionStyle; |
118 | bse.mName = mName; |
119 | bse.mIndex = mIndex; |
120 | bse.mAddToBackStack = true; |
121 | bse.mBreadCrumbTitleRes = mBreadCrumbTitleRes; |
122 | bse.mBreadCrumbTitleText = mBreadCrumbTitleText; |
123 | bse.mBreadCrumbShortTitleRes = mBreadCrumbShortTitleRes; |
124 | bse.mBreadCrumbShortTitleText = mBreadCrumbShortTitleText; |
125 | bse.bumpBackStackNesting(1); |
126 | return bse; |
127 | } |
128 | |
129 | public int describeContents() { |
130 | return 0; |
131 | } |
132 | |
133 | public void writeToParcel(Parcel dest, int flags) { |
134 | dest.writeIntArray(mOps); |
135 | dest.writeInt(mTransition); |
136 | dest.writeInt(mTransitionStyle); |
137 | dest.writeString(mName); |
138 | dest.writeInt(mIndex); |
139 | dest.writeInt(mBreadCrumbTitleRes); |
140 | TextUtils.writeToParcel(mBreadCrumbTitleText, dest, 0); |
141 | dest.writeInt(mBreadCrumbShortTitleRes); |
142 | TextUtils.writeToParcel(mBreadCrumbShortTitleText, dest, 0); |
143 | } |
144 | |
145 | public static final Parcelable.Creator<BackStackState> CREATOR |
146 | = new Parcelable.Creator<BackStackState>() { |
147 | public BackStackState createFromParcel(Parcel in) { |
148 | return new BackStackState(in); |
149 | } |
150 | |
151 | public BackStackState[] newArray(int size) { |
152 | return new BackStackState[size]; |
153 | } |
154 | }; |
155 | } |
156 | |
157 | /** |
158 | * @hide Entry of an operation on the fragment back stack. |
159 | */ |
160 | final class BackStackRecord extends FragmentTransaction implements |
161 | FragmentManager.BackStackEntry, Runnable { |
162 | static final String TAG = "BackStackEntry"; |
163 | |
164 | final FragmentManagerImpl mManager; |
165 | |
166 | static final int OP_NULL = 0; |
167 | static final int OP_ADD = 1; |
168 | static final int OP_REPLACE = 2; |
169 | static final int OP_REMOVE = 3; |
170 | static final int OP_HIDE = 4; |
171 | static final int OP_SHOW = 5; |
172 | |
173 | static final class Op { |
174 | Op next; |
175 | Op prev; |
176 | int cmd; |
177 | Fragment fragment; |
178 | int enterAnim; |
179 | int exitAnim; |
180 | ArrayList<Fragment> removed; |
181 | } |
182 | |
183 | Op mHead; |
184 | Op mTail; |
185 | int mNumOp; |
186 | int mEnterAnim; |
187 | int mExitAnim; |
188 | int mTransition; |
189 | int mTransitionStyle; |
190 | boolean mAddToBackStack; |
191 | boolean mAllowAddToBackStack = true; |
192 | String mName; |
193 | boolean mCommitted; |
194 | int mIndex; |
195 | |
196 | int mBreadCrumbTitleRes; |
197 | CharSequence mBreadCrumbTitleText; |
198 | int mBreadCrumbShortTitleRes; |
199 | CharSequence mBreadCrumbShortTitleText; |
200 | |
201 | public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
202 | writer.print(prefix); writer.print("mName="); writer.print(mName); |
203 | writer.print(" mIndex="); writer.print(mIndex); |
204 | writer.print(" mCommitted="); writer.println(mCommitted); |
205 | if (mTransition != FragmentTransaction.TRANSIT_NONE) { |
206 | writer.print(prefix); writer.print("mTransition=#"); |
207 | writer.print(Integer.toHexString(mTransition)); |
208 | writer.print(" mTransitionStyle=#"); |
209 | writer.println(Integer.toHexString(mTransitionStyle)); |
210 | } |
211 | if (mEnterAnim != 0 || mExitAnim !=0) { |
212 | writer.print(prefix); writer.print("mEnterAnim=#"); |
213 | writer.print(Integer.toHexString(mEnterAnim)); |
214 | writer.print(" mExitAnim=#"); |
215 | writer.println(Integer.toHexString(mExitAnim)); |
216 | } |
217 | if (mBreadCrumbTitleRes != 0 || mBreadCrumbTitleText != null) { |
218 | writer.print(prefix); writer.print("mBreadCrumbTitleRes=#"); |
219 | writer.print(Integer.toHexString(mBreadCrumbTitleRes)); |
220 | writer.print(" mBreadCrumbTitleText="); |
221 | writer.println(mBreadCrumbTitleText); |
222 | } |
223 | if (mBreadCrumbShortTitleRes != 0 || mBreadCrumbShortTitleText != null) { |
224 | writer.print(prefix); writer.print("mBreadCrumbShortTitleRes=#"); |
225 | writer.print(Integer.toHexString(mBreadCrumbShortTitleRes)); |
226 | writer.print(" mBreadCrumbShortTitleText="); |
227 | writer.println(mBreadCrumbShortTitleText); |
228 | } |
229 | |
230 | if (mHead != null) { |
231 | writer.print(prefix); writer.println("Operations:"); |
232 | String innerPrefix = prefix + " "; |
233 | Op op = mHead; |
234 | int num = 0; |
235 | while (op != null) { |
236 | writer.print(prefix); writer.print(" Op #"); writer.print(num); |
237 | writer.println(":"); |
238 | writer.print(innerPrefix); writer.print("cmd="); writer.print(op.cmd); |
239 | writer.print(" fragment="); writer.println(op.fragment); |
240 | if (op.enterAnim != 0 || op.exitAnim != 0) { |
241 | writer.print(prefix); writer.print("enterAnim="); writer.print(op.enterAnim); |
242 | writer.print(" exitAnim="); writer.println(op.exitAnim); |
243 | } |
244 | if (op.removed != null && op.removed.size() > 0) { |
245 | for (int i=0; i<op.removed.size(); i++) { |
246 | writer.print(innerPrefix); |
247 | if (op.removed.size() == 1) { |
248 | writer.print("Removed: "); |
249 | } else { |
250 | writer.println("Removed:"); |
251 | writer.print(innerPrefix); writer.print(" #"); writer.print(num); |
252 | writer.print(": "); |
253 | } |
254 | writer.println(op.removed.get(i)); |
255 | } |
256 | } |
257 | op = op.next; |
258 | } |
259 | } |
260 | } |
261 | |
262 | public BackStackRecord(FragmentManagerImpl manager) { |
263 | mManager = manager; |
264 | } |
265 | |
266 | public int getId() { |
267 | return mIndex; |
268 | } |
269 | |
270 | public int getBreadCrumbTitleRes() { |
271 | return mBreadCrumbTitleRes; |
272 | } |
273 | |
274 | public int getBreadCrumbShortTitleRes() { |
275 | return mBreadCrumbShortTitleRes; |
276 | } |
277 | |
278 | public CharSequence getBreadCrumbTitle() { |
279 | if (mBreadCrumbTitleRes != 0) { |
280 | return mManager.mActivity.getText(mBreadCrumbTitleRes); |
281 | } |
282 | return mBreadCrumbTitleText; |
283 | } |
284 | |
285 | public CharSequence getBreadCrumbShortTitle() { |
286 | if (mBreadCrumbShortTitleRes != 0) { |
287 | return mManager.mActivity.getText(mBreadCrumbShortTitleRes); |
288 | } |
289 | return mBreadCrumbShortTitleText; |
290 | } |
291 | |
292 | void addOp(Op op) { |
293 | if (mHead == null) { |
294 | mHead = mTail = op; |
295 | } else { |
296 | op.prev = mTail; |
297 | mTail.next = op; |
298 | mTail = op; |
299 | } |
300 | op.enterAnim = mEnterAnim; |
301 | op.exitAnim = mExitAnim; |
302 | mNumOp++; |
303 | } |
304 | |
305 | public FragmentTransaction add(Fragment fragment, String tag) { |
306 | doAddOp(0, fragment, tag, OP_ADD); |
307 | return this; |
308 | } |
309 | |
310 | public FragmentTransaction add(int containerViewId, Fragment fragment) { |
311 | doAddOp(containerViewId, fragment, null, OP_ADD); |
312 | return this; |
313 | } |
314 | |
315 | public FragmentTransaction add(int containerViewId, Fragment fragment, String tag) { |
316 | doAddOp(containerViewId, fragment, tag, OP_ADD); |
317 | return this; |
318 | } |
319 | |
320 | private void doAddOp(int containerViewId, Fragment fragment, String tag, int opcmd) { |
321 | if (fragment.mImmediateActivity != null) { |
322 | throw new IllegalStateException("Fragment already added: " + fragment); |
323 | } |
324 | fragment.mImmediateActivity = mManager.mActivity; |
325 | fragment.mFragmentManager = mManager; |
326 | |
327 | if (tag != null) { |
328 | if (fragment.mTag != null && !tag.equals(fragment.mTag)) { |
329 | throw new IllegalStateException("Can't change tag of fragment " |
330 | + fragment + ": was " + fragment.mTag |
331 | + " now " + tag); |
332 | } |
333 | fragment.mTag = tag; |
334 | } |
335 | |
336 | if (containerViewId != 0) { |
337 | if (fragment.mFragmentId != 0 && fragment.mFragmentId != containerViewId) { |
338 | throw new IllegalStateException("Can't change container ID of fragment " |
339 | + fragment + ": was " + fragment.mFragmentId |
340 | + " now " + containerViewId); |
341 | } |
342 | fragment.mContainerId = fragment.mFragmentId = containerViewId; |
343 | } |
344 | |
345 | Op op = new Op(); |
346 | op.cmd = opcmd; |
347 | op.fragment = fragment; |
348 | addOp(op); |
349 | } |
350 | |
351 | public FragmentTransaction replace(int containerViewId, Fragment fragment) { |
352 | return replace(containerViewId, fragment, null); |
353 | } |
354 | |
355 | public FragmentTransaction replace(int containerViewId, Fragment fragment, String tag) { |
356 | if (containerViewId == 0) { |
357 | throw new IllegalArgumentException("Must use non-zero containerViewId"); |
358 | } |
359 | |
360 | doAddOp(containerViewId, fragment, tag, OP_REPLACE); |
361 | return this; |
362 | } |
363 | |
364 | public FragmentTransaction remove(Fragment fragment) { |
365 | if (fragment.mImmediateActivity == null) { |
366 | throw new IllegalStateException("Fragment not added: " + fragment); |
367 | } |
368 | fragment.mImmediateActivity = null; |
369 | |
370 | Op op = new Op(); |
371 | op.cmd = OP_REMOVE; |
372 | op.fragment = fragment; |
373 | addOp(op); |
374 | |
375 | return this; |
376 | } |
377 | |
378 | public FragmentTransaction hide(Fragment fragment) { |
379 | if (fragment.mImmediateActivity == null) { |
380 | throw new IllegalStateException("Fragment not added: " + fragment); |
381 | } |
382 | |
383 | Op op = new Op(); |
384 | op.cmd = OP_HIDE; |
385 | op.fragment = fragment; |
386 | addOp(op); |
387 | |
388 | return this; |
389 | } |
390 | |
391 | public FragmentTransaction show(Fragment fragment) { |
392 | if (fragment.mImmediateActivity == null) { |
393 | throw new IllegalStateException("Fragment not added: " + fragment); |
394 | } |
395 | |
396 | Op op = new Op(); |
397 | op.cmd = OP_SHOW; |
398 | op.fragment = fragment; |
399 | addOp(op); |
400 | |
401 | return this; |
402 | } |
403 | |
404 | public FragmentTransaction setCustomAnimations(int enter, int exit) { |
405 | mEnterAnim = enter; |
406 | mExitAnim = exit; |
407 | return this; |
408 | } |
409 | |
410 | public FragmentTransaction setTransition(int transition) { |
411 | mTransition = transition; |
412 | return this; |
413 | } |
414 | |
415 | public FragmentTransaction setTransitionStyle(int styleRes) { |
416 | mTransitionStyle = styleRes; |
417 | return this; |
418 | } |
419 | |
420 | public FragmentTransaction addToBackStack(String name) { |
421 | if (!mAllowAddToBackStack) { |
422 | throw new IllegalStateException( |
423 | "This FragmentTransaction is not allowed to be added to the back stack."); |
424 | } |
425 | mAddToBackStack = true; |
426 | mName = name; |
427 | return this; |
428 | } |
429 | |
430 | public boolean isAddToBackStackAllowed() { |
431 | return mAllowAddToBackStack; |
432 | } |
433 | |
434 | public FragmentTransaction disallowAddToBackStack() { |
435 | if (mAddToBackStack) { |
436 | throw new IllegalStateException( |
437 | "This transaction is already being added to the back stack"); |
438 | } |
439 | mAllowAddToBackStack = false; |
440 | return this; |
441 | } |
442 | |
443 | public FragmentTransaction setBreadCrumbTitle(int res) { |
444 | mBreadCrumbTitleRes = res; |
445 | mBreadCrumbTitleText = null; |
446 | return this; |
447 | } |
448 | |
449 | public FragmentTransaction setBreadCrumbTitle(CharSequence text) { |
450 | mBreadCrumbTitleRes = 0; |
451 | mBreadCrumbTitleText = text; |
452 | return this; |
453 | } |
454 | |
455 | public FragmentTransaction setBreadCrumbShortTitle(int res) { |
456 | mBreadCrumbShortTitleRes = res; |
457 | mBreadCrumbShortTitleText = null; |
458 | return this; |
459 | } |
460 | |
461 | public FragmentTransaction setBreadCrumbShortTitle(CharSequence text) { |
462 | mBreadCrumbShortTitleRes = 0; |
463 | mBreadCrumbShortTitleText = text; |
464 | return this; |
465 | } |
466 | |
467 | void bumpBackStackNesting(int amt) { |
468 | if (!mAddToBackStack) { |
469 | return; |
470 | } |
471 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Bump nesting in " + this |
472 | + " by " + amt); |
473 | Op op = mHead; |
474 | while (op != null) { |
475 | op.fragment.mBackStackNesting += amt; |
476 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Bump nesting of " |
477 | + op.fragment + " to " + op.fragment.mBackStackNesting); |
478 | if (op.removed != null) { |
479 | for (int i=op.removed.size()-1; i>=0; i--) { |
480 | Fragment r = op.removed.get(i); |
481 | r.mBackStackNesting += amt; |
482 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Bump nesting of " |
483 | + r + " to " + r.mBackStackNesting); |
484 | } |
485 | } |
486 | op = op.next; |
487 | } |
488 | } |
489 | |
490 | public int commit() { |
491 | return commitInternal(false); |
492 | } |
493 | |
494 | public int commitAllowingStateLoss() { |
495 | return commitInternal(true); |
496 | } |
497 | |
498 | int commitInternal(boolean allowStateLoss) { |
499 | if (mCommitted) throw new IllegalStateException("commit already called"); |
500 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Commit: " + this); |
501 | mCommitted = true; |
502 | if (mAddToBackStack) { |
503 | mIndex = mManager.allocBackStackIndex(this); |
504 | } else { |
505 | mIndex = -1; |
506 | } |
507 | mManager.enqueueAction(this, allowStateLoss); |
508 | return mIndex; |
509 | } |
510 | |
511 | public void run() { |
512 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Run: " + this); |
513 | |
514 | if (mAddToBackStack) { |
515 | if (mIndex < 0) { |
516 | throw new IllegalStateException("addToBackStack() called after commit()"); |
517 | } |
518 | } |
519 | |
520 | bumpBackStackNesting(1); |
521 | |
522 | Op op = mHead; |
523 | while (op != null) { |
524 | switch (op.cmd) { |
525 | case OP_ADD: { |
526 | Fragment f = op.fragment; |
527 | f.mNextAnim = op.enterAnim; |
528 | mManager.addFragment(f, false); |
529 | } break; |
530 | case OP_REPLACE: { |
531 | Fragment f = op.fragment; |
532 | if (mManager.mAdded != null) { |
533 | for (int i=0; i<mManager.mAdded.size(); i++) { |
534 | Fragment old = mManager.mAdded.get(i); |
535 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, |
536 | "OP_REPLACE: adding=" + f + " old=" + old); |
537 | if (old.mContainerId == f.mContainerId) { |
538 | if (op.removed == null) { |
539 | op.removed = new ArrayList<Fragment>(); |
540 | } |
541 | op.removed.add(old); |
542 | old.mNextAnim = op.exitAnim; |
543 | if (mAddToBackStack) { |
544 | old.mBackStackNesting += 1; |
545 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "Bump nesting of " |
546 | + old + " to " + old.mBackStackNesting); |
547 | } |
548 | mManager.removeFragment(old, mTransition, mTransitionStyle); |
549 | } |
550 | } |
551 | } |
552 | f.mNextAnim = op.enterAnim; |
553 | mManager.addFragment(f, false); |
554 | } break; |
555 | case OP_REMOVE: { |
556 | Fragment f = op.fragment; |
557 | f.mNextAnim = op.exitAnim; |
558 | mManager.removeFragment(f, mTransition, mTransitionStyle); |
559 | } break; |
560 | case OP_HIDE: { |
561 | Fragment f = op.fragment; |
562 | f.mNextAnim = op.exitAnim; |
563 | mManager.hideFragment(f, mTransition, mTransitionStyle); |
564 | } break; |
565 | case OP_SHOW: { |
566 | Fragment f = op.fragment; |
567 | f.mNextAnim = op.enterAnim; |
568 | mManager.showFragment(f, mTransition, mTransitionStyle); |
569 | } break; |
570 | default: { |
571 | throw new IllegalArgumentException("Unknown cmd: " + op.cmd); |
572 | } |
573 | } |
574 | |
575 | op = op.next; |
576 | } |
577 | |
578 | mManager.moveToState(mManager.mCurState, mTransition, |
579 | mTransitionStyle, true); |
580 | |
581 | if (mAddToBackStack) { |
582 | mManager.addBackStackState(this); |
583 | } |
584 | } |
585 | |
586 | public void popFromBackStack(boolean doStateMove) { |
587 | if (FragmentManagerImpl.DEBUG) Log.v(TAG, "popFromBackStack: " + this); |
588 | |
589 | bumpBackStackNesting(-1); |
590 | |
591 | Op op = mTail; |
592 | while (op != null) { |
593 | switch (op.cmd) { |
594 | case OP_ADD: { |
595 | Fragment f = op.fragment; |
596 | f.mImmediateActivity = null; |
597 | mManager.removeFragment(f, |
598 | FragmentManagerImpl.reverseTransit(mTransition), |
599 | mTransitionStyle); |
600 | } break; |
601 | case OP_REPLACE: { |
602 | Fragment f = op.fragment; |
603 | f.mImmediateActivity = null; |
604 | mManager.removeFragment(f, |
605 | FragmentManagerImpl.reverseTransit(mTransition), |
606 | mTransitionStyle); |
607 | if (op.removed != null) { |
608 | for (int i=0; i<op.removed.size(); i++) { |
609 | Fragment old = op.removed.get(i); |
610 | f.mImmediateActivity = mManager.mActivity; |
611 | mManager.addFragment(old, false); |
612 | } |
613 | } |
614 | } break; |
615 | case OP_REMOVE: { |
616 | Fragment f = op.fragment; |
617 | f.mImmediateActivity = mManager.mActivity; |
618 | mManager.addFragment(f, false); |
619 | } break; |
620 | case OP_HIDE: { |
621 | Fragment f = op.fragment; |
622 | mManager.showFragment(f, |
623 | FragmentManagerImpl.reverseTransit(mTransition), mTransitionStyle); |
624 | } break; |
625 | case OP_SHOW: { |
626 | Fragment f = op.fragment; |
627 | mManager.hideFragment(f, |
628 | FragmentManagerImpl.reverseTransit(mTransition), mTransitionStyle); |
629 | } break; |
630 | default: { |
631 | throw new IllegalArgumentException("Unknown cmd: " + op.cmd); |
632 | } |
633 | } |
634 | |
635 | op = op.prev; |
636 | } |
637 | |
638 | if (doStateMove) { |
639 | mManager.moveToState(mManager.mCurState, |
640 | FragmentManagerImpl.reverseTransit(mTransition), mTransitionStyle, true); |
641 | } |
642 | |
643 | if (mIndex >= 0) { |
644 | mManager.freeBackStackIndex(mIndex); |
645 | mIndex = -1; |
646 | } |
647 | } |
648 | |
649 | public String getName() { |
650 | return mName; |
651 | } |
652 | |
653 | public int getTransition() { |
654 | return mTransition; |
655 | } |
656 | |
657 | public int getTransitionStyle() { |
658 | return mTransitionStyle; |
659 | } |
660 | |
661 | public boolean isEmpty() { |
662 | return mNumOp == 0; |
663 | } |
664 | } |