1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
|
/*
* Copyright (C) 2006 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 android.view;
import android.content.Context;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.graphics.PixelFormat;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.view.accessibility.AccessibilityEvent;
/**
* Abstract base class for a top-level window look and behavior policy. An
* instance of this class should be used as the top-level view added to the
* window manager. It provides standard UI policies such as a background, title
* area, default key processing, etc.
*
* <p>The only existing implementation of this abstract class is
* android.policy.PhoneWindow, which you should instantiate when needing a
* Window. Eventually that class will be refactored and a factory method
* added for creating Window instances without knowing about a particular
* implementation.
*/
public abstract class Window {
/** Flag for the "options panel" feature. This is enabled by default. */
public static final int FEATURE_OPTIONS_PANEL = 0;
/** Flag for the "no title" feature, turning off the title at the top
* of the screen. */
public static final int FEATURE_NO_TITLE = 1;
/** Flag for the progress indicator feature */
public static final int FEATURE_PROGRESS = 2;
/** Flag for having an icon on the left side of the title bar */
public static final int FEATURE_LEFT_ICON = 3;
/** Flag for having an icon on the right side of the title bar */
public static final int FEATURE_RIGHT_ICON = 4;
/** Flag for indeterminate progress */
public static final int FEATURE_INDETERMINATE_PROGRESS = 5;
/** Flag for the context menu. This is enabled by default. */
public static final int FEATURE_CONTEXT_MENU = 6;
/** Flag for custom title. You cannot combine this feature with other title features. */
public static final int FEATURE_CUSTOM_TITLE = 7;
/**
* Flag for enabling the Action Bar.
* This is enabled by default for some devices. The Action Bar
* replaces the title bar and provides an alternate location
* for an on-screen menu button on some devices.
*/
public static final int FEATURE_ACTION_BAR = 8;
/**
* Flag for requesting an Action Bar that overlays window content.
* Normally an Action Bar will sit in the space above window content, but if this
* feature is requested along with {@link #FEATURE_ACTION_BAR} it will be layered over
* the window content itself. This is useful if you would like your app to have more control
* over how the Action Bar is displayed, such as letting application content scroll beneath
* an Action Bar with a transparent background or otherwise displaying a transparent/translucent
* Action Bar over application content.
*/
public static final int FEATURE_ACTION_BAR_OVERLAY = 9;
/**
* Flag for specifying the behavior of action modes when an Action Bar is not present.
* If overlay is enabled, the action mode UI will be allowed to cover existing window content.
*/
public static final int FEATURE_ACTION_MODE_OVERLAY = 10;
/** Flag for setting the progress bar's visibility to VISIBLE */
public static final int PROGRESS_VISIBILITY_ON = -1;
/** Flag for setting the progress bar's visibility to GONE */
public static final int PROGRESS_VISIBILITY_OFF = -2;
/** Flag for setting the progress bar's indeterminate mode on */
public static final int PROGRESS_INDETERMINATE_ON = -3;
/** Flag for setting the progress bar's indeterminate mode off */
public static final int PROGRESS_INDETERMINATE_OFF = -4;
/** Starting value for the (primary) progress */
public static final int PROGRESS_START = 0;
/** Ending value for the (primary) progress */
public static final int PROGRESS_END = 10000;
/** Lowest possible value for the secondary progress */
public static final int PROGRESS_SECONDARY_START = 20000;
/** Highest possible value for the secondary progress */
public static final int PROGRESS_SECONDARY_END = 30000;
/** The default features enabled */
@SuppressWarnings({"PointlessBitwiseExpression"})
protected static final int DEFAULT_FEATURES = (1 << FEATURE_OPTIONS_PANEL) |
(1 << FEATURE_CONTEXT_MENU);
/**
* The ID that the main layout in the XML layout file should have.
*/
public static final int ID_ANDROID_CONTENT = com.android.internal.R.id.content;
private final Context mContext;
private TypedArray mWindowStyle;
private Callback mCallback;
private WindowManager mWindowManager;
private IBinder mAppToken;
private String mAppName;
private Window mContainer;
private Window mActiveChild;
private boolean mIsActive = false;
private boolean mHasChildren = false;
private boolean mCloseOnTouchOutside = false;
private boolean mSetCloseOnTouchOutside = false;
private int mForcedWindowFlags = 0;
private int mFeatures = DEFAULT_FEATURES;
private int mLocalFeatures = DEFAULT_FEATURES;
private boolean mHaveWindowFormat = false;
private int mDefaultWindowFormat = PixelFormat.OPAQUE;
private boolean mHasSoftInputMode = false;
private boolean mDestroyed;
// The current window attributes.
private final WindowManager.LayoutParams mWindowAttributes =
new WindowManager.LayoutParams();
/**
* API from a Window back to its caller. This allows the client to
* intercept key dispatching, panels and menus, etc.
*/
public interface Callback {
/**
* Called to process key events. At the very least your
* implementation must call
* {@link android.view.Window#superDispatchKeyEvent} to do the
* standard key processing.
*
* @param event The key event.
*
* @return boolean Return true if this event was consumed.
*/
public boolean dispatchKeyEvent(KeyEvent event);
/**
* Called to process a key shortcut event.
* At the very least your implementation must call
* {@link android.view.Window#superDispatchKeyShortcutEvent} to do the
* standard key shortcut processing.
*
* @param event The key shortcut event.
* @return True if this event was consumed.
*/
public boolean dispatchKeyShortcutEvent(KeyEvent event);
/**
* Called to process touch screen events. At the very least your
* implementation must call
* {@link android.view.Window#superDispatchTouchEvent} to do the
* standard touch screen processing.
*
* @param event The touch screen event.
*
* @return boolean Return true if this event was consumed.
*/
public boolean dispatchTouchEvent(MotionEvent event);
/**
* Called to process trackball events. At the very least your
* implementation must call
* {@link android.view.Window#superDispatchTrackballEvent} to do the
* standard trackball processing.
*
* @param event The trackball event.
*
* @return boolean Return true if this event was consumed.
*/
public boolean dispatchTrackballEvent(MotionEvent event);
/**
* Called to process generic motion events. At the very least your
* implementation must call
* {@link android.view.Window#superDispatchGenericMotionEvent} to do the
* standard processing.
*
* @param event The generic motion event.
*
* @return boolean Return true if this event was consumed.
*/
public boolean dispatchGenericMotionEvent(MotionEvent event);
/**
* Called to process population of {@link AccessibilityEvent}s.
*
* @param event The event.
*
* @return boolean Return true if event population was completed.
*/
public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event);
/**
* Instantiate the view to display in the panel for 'featureId'.
* You can return null, in which case the default content (typically
* a menu) will be created for you.
*
* @param featureId Which panel is being created.
*
* @return view The top-level view to place in the panel.
*
* @see #onPreparePanel
*/
public View onCreatePanelView(int featureId);
/**
* Initialize the contents of the menu for panel 'featureId'. This is
* called if onCreatePanelView() returns null, giving you a standard
* menu in which you can place your items. It is only called once for
* the panel, the first time it is shown.
*
* <p>You can safely hold on to <var>menu</var> (and any items created
* from it), making modifications to it as desired, until the next
* time onCreatePanelMenu() is called for this feature.
*
* @param featureId The panel being created.
* @param menu The menu inside the panel.
*
* @return boolean You must return true for the panel to be displayed;
* if you return false it will not be shown.
*/
public boolean onCreatePanelMenu(int featureId, Menu menu);
/**
* Prepare a panel to be displayed. This is called right before the
* panel window is shown, every time it is shown.
*
* @param featureId The panel that is being displayed.
* @param view The View that was returned by onCreatePanelView().
* @param menu If onCreatePanelView() returned null, this is the Menu
* being displayed in the panel.
*
* @return boolean You must return true for the panel to be displayed;
* if you return false it will not be shown.
*
* @see #onCreatePanelView
*/
public boolean onPreparePanel(int featureId, View view, Menu menu);
/**
* Called when a panel's menu is opened by the user. This may also be
* called when the menu is changing from one type to another (for
* example, from the icon menu to the expanded menu).
*
* @param featureId The panel that the menu is in.
* @param menu The menu that is opened.
* @return Return true to allow the menu to open, or false to prevent
* the menu from opening.
*/
public boolean onMenuOpened(int featureId, Menu menu);
/**
* Called when a panel's menu item has been selected by the user.
*
* @param featureId The panel that the menu is in.
* @param item The menu item that was selected.
*
* @return boolean Return true to finish processing of selection, or
* false to perform the normal menu handling (calling its
* Runnable or sending a Message to its target Handler).
*/
public boolean onMenuItemSelected(int featureId, MenuItem item);
/**
* This is called whenever the current window attributes change.
*
*/
public void onWindowAttributesChanged(WindowManager.LayoutParams attrs);
/**
* This hook is called whenever the content view of the screen changes
* (due to a call to
* {@link Window#setContentView(View, android.view.ViewGroup.LayoutParams)
* Window.setContentView} or
* {@link Window#addContentView(View, android.view.ViewGroup.LayoutParams)
* Window.addContentView}).
*/
public void onContentChanged();
/**
* This hook is called whenever the window focus changes. See
* {@link View#onWindowFocusChanged(boolean)
* View.onWindowFocusChanged(boolean)} for more information.
*
* @param hasFocus Whether the window now has focus.
*/
public void onWindowFocusChanged(boolean hasFocus);
/**
* Called when the window has been attached to the window manager.
* See {@link View#onAttachedToWindow() View.onAttachedToWindow()}
* for more information.
*/
public void onAttachedToWindow();
/**
* Called when the window has been attached to the window manager.
* See {@link View#onDetachedFromWindow() View.onDetachedFromWindow()}
* for more information.
*/
public void onDetachedFromWindow();
/**
* Called when a panel is being closed. If another logical subsequent
* panel is being opened (and this panel is being closed to make room for the subsequent
* panel), this method will NOT be called.
*
* @param featureId The panel that is being displayed.
* @param menu If onCreatePanelView() returned null, this is the Menu
* being displayed in the panel.
*/
public void onPanelClosed(int featureId, Menu menu);
/**
* Called when the user signals the desire to start a search.
*
* @return true if search launched, false if activity refuses (blocks)
*
* @see android.app.Activity#onSearchRequested()
*/
public boolean onSearchRequested();
/**
* Called when an action mode is being started for this window. Gives the
* callback an opportunity to handle the action mode in its own unique and
* beautiful way. If this method returns null the system can choose a way
* to present the mode or choose not to start the mode at all.
*
* @param callback Callback to control the lifecycle of this action mode
* @return The ActionMode that was started, or null if the system should present it
*/
public ActionMode onWindowStartingActionMode(ActionMode.Callback callback);
/**
* Called when an action mode has been started. The appropriate mode callback
* method will have already been invoked.
*
* @param mode The new mode that has just been started.
*/
public void onActionModeStarted(ActionMode mode);
/**
* Called when an action mode has been finished. The appropriate mode callback
* method will have already been invoked.
*
* @param mode The mode that was just finished.
*/
public void onActionModeFinished(ActionMode mode);
}
public Window(Context context) {
mContext = context;
}
/**
* Return the Context this window policy is running in, for retrieving
* resources and other information.
*
* @return Context The Context that was supplied to the constructor.
*/
public final Context getContext() {
return mContext;
}
/**
* Return the {@link android.R.styleable#Window} attributes from this
* window's theme.
*/
public final TypedArray getWindowStyle() {
synchronized (this) {
if (mWindowStyle == null) {
mWindowStyle = mContext.obtainStyledAttributes(
com.android.internal.R.styleable.Window);
}
return mWindowStyle;
}
}
/**
* Set the container for this window. If not set, the DecorWindow
* operates as a top-level window; otherwise, it negotiates with the
* container to display itself appropriately.
*
* @param container The desired containing Window.
*/
public void setContainer(Window container) {
mContainer = container;
if (container != null) {
// Embedded screens never have a title.
mFeatures |= 1<<FEATURE_NO_TITLE;
mLocalFeatures |= 1<<FEATURE_NO_TITLE;
container.mHasChildren = true;
}
}
/**
* Return the container for this Window.
*
* @return Window The containing window, or null if this is a
* top-level window.
*/
public final Window getContainer() {
return mContainer;
}
public final boolean hasChildren() {
return mHasChildren;
}
/** @hide */
public final void destroy() {
mDestroyed = true;
}
/** @hide */
public final boolean isDestroyed() {
return mDestroyed;
}
/**
* Set the window manager for use by this Window to, for example,
* display panels. This is <em>not</em> used for displaying the
* Window itself -- that must be done by the client.
*
* @param wm The ViewManager for adding new windows.
*/
public void setWindowManager(WindowManager wm, IBinder appToken, String appName) {
setWindowManager(wm, appToken, appName, false);
}
/**
* Set the window manager for use by this Window to, for example,
* display panels. This is <em>not</em> used for displaying the
* Window itself -- that must be done by the client.
*
* @param wm The ViewManager for adding new windows.
*/
public void setWindowManager(WindowManager wm, IBinder appToken, String appName,
boolean hardwareAccelerated) {
mAppToken = appToken;
mAppName = appName;
if (wm == null) {
wm = WindowManagerImpl.getDefault();
}
mWindowManager = new LocalWindowManager(wm, hardwareAccelerated);
}
private class LocalWindowManager extends WindowManagerImpl.CompatModeWrapper {
private final boolean mHardwareAccelerated;
LocalWindowManager(WindowManager wm, boolean hardwareAccelerated) {
super(wm, mContext.getResources().getCompatibilityInfo());
mHardwareAccelerated = hardwareAccelerated;
}
public boolean isHardwareAccelerated() {
return mHardwareAccelerated;
}
public final void addView(View view, ViewGroup.LayoutParams params) {
// Let this throw an exception on a bad params.
WindowManager.LayoutParams wp = (WindowManager.LayoutParams)params;
CharSequence curTitle = wp.getTitle();
if (wp.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW &&
wp.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
if (wp.token == null) {
View decor = peekDecorView();
if (decor != null) {
wp.token = decor.getWindowToken();
}
}
if (curTitle == null || curTitle.length() == 0) {
String title;
if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA) {
title="Media";
} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY) {
title="MediaOvr";
} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) {
title="Panel";
} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL) {
title="SubPanel";
} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG) {
title="AtchDlg";
} else {
title=Integer.toString(wp.type);
}
if (mAppName != null) {
title += ":" + mAppName;
}
wp.setTitle(title);
}
} else {
if (wp.token == null) {
wp.token = mContainer == null ? mAppToken : mContainer.mAppToken;
}
if ((curTitle == null || curTitle.length() == 0)
&& mAppName != null) {
wp.setTitle(mAppName);
}
}
if (wp.packageName == null) {
wp.packageName = mContext.getPackageName();
}
if (mHardwareAccelerated) {
wp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
}
super.addView(view, params);
}
}
/**
* Return the window manager allowing this Window to display its own
* windows.
*
* @return WindowManager The ViewManager.
*/
public WindowManager getWindowManager() {
return mWindowManager;
}
/**
* Set the Callback interface for this window, used to intercept key
* events and other dynamic operations in the window.
*
* @param callback The desired Callback interface.
*/
public void setCallback(Callback callback) {
mCallback = callback;
}
/**
* Return the current Callback interface for this window.
*/
public final Callback getCallback() {
return mCallback;
}
/**
* Take ownership of this window's surface. The window's view hierarchy
* will no longer draw into the surface, though it will otherwise continue
* to operate (such as for receiving input events). The given SurfaceHolder
* callback will be used to tell you about state changes to the surface.
*/
public abstract void takeSurface(SurfaceHolder.Callback2 callback);
/**
* Take ownership of this window's InputQueue. The window will no
* longer read and dispatch input events from the queue; it is your
* responsibility to do so.
*/
public abstract void takeInputQueue(InputQueue.Callback callback);
/**
* Return whether this window is being displayed with a floating style
* (based on the {@link android.R.attr#windowIsFloating} attribute in
* the style/theme).
*
* @return Returns true if the window is configured to be displayed floating
* on top of whatever is behind it.
*/
public abstract boolean isFloating();
/**
* Set the width and height layout parameters of the window. The default
* for both of these is MATCH_PARENT; you can change them to WRAP_CONTENT
* or an absolute value to make a window that is not full-screen.
*
* @param width The desired layout width of the window.
* @param height The desired layout height of the window.
*
* @see ViewGroup.LayoutParams#height
* @see ViewGroup.LayoutParams#width
*/
public void setLayout(int width, int height) {
final WindowManager.LayoutParams attrs = getAttributes();
attrs.width = width;
attrs.height = height;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Set the gravity of the window, as per the Gravity constants. This
* controls how the window manager is positioned in the overall window; it
* is only useful when using WRAP_CONTENT for the layout width or height.
*
* @param gravity The desired gravity constant.
*
* @see Gravity
* @see #setLayout
*/
public void setGravity(int gravity)
{
final WindowManager.LayoutParams attrs = getAttributes();
attrs.gravity = gravity;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Set the type of the window, as per the WindowManager.LayoutParams
* types.
*
* @param type The new window type (see WindowManager.LayoutParams).
*/
public void setType(int type) {
final WindowManager.LayoutParams attrs = getAttributes();
attrs.type = type;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Set the format of window, as per the PixelFormat types. This overrides
* the default format that is selected by the Window based on its
* window decorations.
*
* @param format The new window format (see PixelFormat). Use
* PixelFormat.UNKNOWN to allow the Window to select
* the format.
*
* @see PixelFormat
*/
public void setFormat(int format) {
final WindowManager.LayoutParams attrs = getAttributes();
if (format != PixelFormat.UNKNOWN) {
attrs.format = format;
mHaveWindowFormat = true;
} else {
attrs.format = mDefaultWindowFormat;
mHaveWindowFormat = false;
}
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Specify custom animations to use for the window, as per
* {@link WindowManager.LayoutParams#windowAnimations
* WindowManager.LayoutParams.windowAnimations}. Providing anything besides
* 0 here will override the animations the window would
* normally retrieve from its theme.
*/
public void setWindowAnimations(int resId) {
final WindowManager.LayoutParams attrs = getAttributes();
attrs.windowAnimations = resId;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Specify an explicit soft input mode to use for the window, as per
* {@link WindowManager.LayoutParams#softInputMode
* WindowManager.LayoutParams.softInputMode}. Providing anything besides
* "unspecified" here will override the input mode the window would
* normally retrieve from its theme.
*/
public void setSoftInputMode(int mode) {
final WindowManager.LayoutParams attrs = getAttributes();
if (mode != WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED) {
attrs.softInputMode = mode;
mHasSoftInputMode = true;
} else {
mHasSoftInputMode = false;
}
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Convenience function to set the flag bits as specified in flags, as
* per {@link #setFlags}.
* @param flags The flag bits to be set.
* @see #setFlags
*/
public void addFlags(int flags) {
setFlags(flags, flags);
}
/**
* Convenience function to clear the flag bits as specified in flags, as
* per {@link #setFlags}.
* @param flags The flag bits to be cleared.
* @see #setFlags
*/
public void clearFlags(int flags) {
setFlags(0, flags);
}
/**
* Set the flags of the window, as per the
* {@link WindowManager.LayoutParams WindowManager.LayoutParams}
* flags.
*
* <p>Note that some flags must be set before the window decoration is
* created (by the first call to
* {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} or
* {@link #getDecorView()}:
* {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_SCREEN} and
* {@link WindowManager.LayoutParams#FLAG_LAYOUT_INSET_DECOR}. These
* will be set for you based on the {@link android.R.attr#windowIsFloating}
* attribute.
*
* @param flags The new window flags (see WindowManager.LayoutParams).
* @param mask Which of the window flag bits to modify.
*/
public void setFlags(int flags, int mask) {
final WindowManager.LayoutParams attrs = getAttributes();
attrs.flags = (attrs.flags&~mask) | (flags&mask);
mForcedWindowFlags |= mask;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
/**
* Specify custom window attributes. <strong>PLEASE NOTE:</strong> the
* layout params you give here should generally be from values previously
* retrieved with {@link #getAttributes()}; you probably do not want to
* blindly create and apply your own, since this will blow away any values
* set by the framework that you are not interested in.
*
* @param a The new window attributes, which will completely override any
* current values.
*/
public void setAttributes(WindowManager.LayoutParams a) {
mWindowAttributes.copyFrom(a);
if (mCallback != null) {
mCallback.onWindowAttributesChanged(mWindowAttributes);
}
}
/**
* Retrieve the current window attributes associated with this panel.
*
* @return WindowManager.LayoutParams Either the existing window
* attributes object, or a freshly created one if there is none.
*/
public final WindowManager.LayoutParams getAttributes() {
return mWindowAttributes;
}
/**
* Return the window flags that have been explicitly set by the client,
* so will not be modified by {@link #getDecorView}.
*/
protected final int getForcedWindowFlags() {
return mForcedWindowFlags;
}
/**
* Has the app specified their own soft input mode?
*/
protected final boolean hasSoftInputMode() {
return mHasSoftInputMode;
}
/** @hide */
public void setCloseOnTouchOutside(boolean close) {
mCloseOnTouchOutside = close;
mSetCloseOnTouchOutside = true;
}
/** @hide */
public void setCloseOnTouchOutsideIfNotSet(boolean close) {
if (!mSetCloseOnTouchOutside) {
mCloseOnTouchOutside = close;
mSetCloseOnTouchOutside = true;
}
}
/** @hide */
public abstract void alwaysReadCloseOnTouchAttr();
/** @hide */
public boolean shouldCloseOnTouch(Context context, MotionEvent event) {
if (mCloseOnTouchOutside && event.getAction() == MotionEvent.ACTION_DOWN
&& isOutOfBounds(context, event) && peekDecorView() != null) {
return true;
}
return false;
}
private boolean isOutOfBounds(Context context, MotionEvent event) {
final int x = (int) event.getX();
final int y = (int) event.getY();
final int slop = ViewConfiguration.get(context).getScaledWindowTouchSlop();
final View decorView = getDecorView();
return (x < -slop) || (y < -slop)
|| (x > (decorView.getWidth()+slop))
|| (y > (decorView.getHeight()+slop));
}
/**
* Enable extended screen features. This must be called before
* setContentView(). May be called as many times as desired as long as it
* is before setContentView(). If not called, no extended features
* will be available. You can not turn off a feature once it is requested.
* You canot use other title features with {@link #FEATURE_CUSTOM_TITLE}.
*
* @param featureId The desired features, defined as constants by Window.
* @return The features that are now set.
*/
public boolean requestFeature(int featureId) {
final int flag = 1<<featureId;
mFeatures |= flag;
mLocalFeatures |= mContainer != null ? (flag&~mContainer.mFeatures) : flag;
return (mFeatures&flag) != 0;
}
/**
* @hide Used internally to help resolve conflicting features.
*/
protected void removeFeature(int featureId) {
final int flag = 1<<featureId;
mFeatures &= ~flag;
mLocalFeatures &= ~(mContainer != null ? (flag&~mContainer.mFeatures) : flag);
}
public final void makeActive() {
if (mContainer != null) {
if (mContainer.mActiveChild != null) {
mContainer.mActiveChild.mIsActive = false;
}
mContainer.mActiveChild = this;
}
mIsActive = true;
onActive();
}
public final boolean isActive()
{
return mIsActive;
}
/**
* Finds a view that was identified by the id attribute from the XML that
* was processed in {@link android.app.Activity#onCreate}. This will
* implicitly call {@link #getDecorView} for you, with all of the
* associated side-effects.
*
* @return The view if found or null otherwise.
*/
public View findViewById(int id) {
return getDecorView().findViewById(id);
}
/**
* Convenience for
* {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}
* to set the screen content from a layout resource. The resource will be
* inflated, adding all top-level views to the screen.
*
* @param layoutResID Resource ID to be inflated.
* @see #setContentView(View, android.view.ViewGroup.LayoutParams)
*/
public abstract void setContentView(int layoutResID);
/**
* Convenience for
* {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}
* set the screen content to an explicit view. This view is placed
* directly into the screen's view hierarchy. It can itself be a complex
* view hierarhcy.
*
* @param view The desired content to display.
* @see #setContentView(View, android.view.ViewGroup.LayoutParams)
*/
public abstract void setContentView(View view);
/**
* Set the screen content to an explicit view. This view is placed
* directly into the screen's view hierarchy. It can itself be a complex
* view hierarchy.
*
* <p>Note that calling this function "locks in" various characteristics
* of the window that can not, from this point forward, be changed: the
* features that have been requested with {@link #requestFeature(int)},
* and certain window flags as described in {@link #setFlags(int, int)}.
*
* @param view The desired content to display.
* @param params Layout parameters for the view.
*/
public abstract void setContentView(View view, ViewGroup.LayoutParams params);
/**
* Variation on
* {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}
* to add an additional content view to the screen. Added after any existing
* ones in the screen -- existing views are NOT removed.
*
* @param view The desired content to display.
* @param params Layout parameters for the view.
*/
public abstract void addContentView(View view, ViewGroup.LayoutParams params);
/**
* Return the view in this Window that currently has focus, or null if
* there are none. Note that this does not look in any containing
* Window.
*
* @return View The current View with focus or null.
*/
public abstract View getCurrentFocus();
/**
* Quick access to the {@link LayoutInflater} instance that this Window
* retrieved from its Context.
*
* @return LayoutInflater The shared LayoutInflater.
*/
public abstract LayoutInflater getLayoutInflater();
public abstract void setTitle(CharSequence title);
public abstract void setTitleColor(int textColor);
public abstract void openPanel(int featureId, KeyEvent event);
public abstract void closePanel(int featureId);
public abstract void togglePanel(int featureId, KeyEvent event);
public abstract void invalidatePanelMenu(int featureId);
public abstract boolean performPanelShortcut(int featureId,
int keyCode,
KeyEvent event,
int flags);
public abstract boolean performPanelIdentifierAction(int featureId,
int id,
int flags);
public abstract void closeAllPanels();
public abstract boolean performContextMenuIdentifierAction(int id, int flags);
/**
* Should be called when the configuration is changed.
*
* @param newConfig The new configuration.
*/
public abstract void onConfigurationChanged(Configuration newConfig);
/**
* Change the background of this window to a Drawable resource. Setting the
* background to null will make the window be opaque. To make the window
* transparent, you can use an empty drawable (for instance a ColorDrawable
* with the color 0 or the system drawable android:drawable/empty.)
*
* @param resid The resource identifier of a drawable resource which will be
* installed as the new background.
*/
public void setBackgroundDrawableResource(int resid)
{
setBackgroundDrawable(mContext.getResources().getDrawable(resid));
}
/**
* Change the background of this window to a custom Drawable. Setting the
* background to null will make the window be opaque. To make the window
* transparent, you can use an empty drawable (for instance a ColorDrawable
* with the color 0 or the system drawable android:drawable/empty.)
*
* @param drawable The new Drawable to use for this window's background.
*/
public abstract void setBackgroundDrawable(Drawable drawable);
/**
* Set the value for a drawable feature of this window, from a resource
* identifier. You must have called requestFeauture(featureId) before
* calling this function.
*
* @see android.content.res.Resources#getDrawable(int)
*
* @param featureId The desired drawable feature to change, defined as a
* constant by Window.
* @param resId Resource identifier of the desired image.
*/
public abstract void setFeatureDrawableResource(int featureId, int resId);
/**
* Set the value for a drawable feature of this window, from a URI. You
* must have called requestFeature(featureId) before calling this
* function.
*
* <p>The only URI currently supported is "content:", specifying an image
* in a content provider.
*
* @see android.widget.ImageView#setImageURI
*
* @param featureId The desired drawable feature to change. Features are
* constants defined by Window.
* @param uri The desired URI.
*/
public abstract void setFeatureDrawableUri(int featureId, Uri uri);
/**
* Set an explicit Drawable value for feature of this window. You must
* have called requestFeature(featureId) before calling this function.
*
* @param featureId The desired drawable feature to change.
* Features are constants defined by Window.
* @param drawable A Drawable object to display.
*/
public abstract void setFeatureDrawable(int featureId, Drawable drawable);
/**
* Set a custom alpha value for the given drawale feature, controlling how
* much the background is visible through it.
*
* @param featureId The desired drawable feature to change.
* Features are constants defined by Window.
* @param alpha The alpha amount, 0 is completely transparent and 255 is
* completely opaque.
*/
public abstract void setFeatureDrawableAlpha(int featureId, int alpha);
/**
* Set the integer value for a feature. The range of the value depends on
* the feature being set. For FEATURE_PROGRESSS, it should go from 0 to
* 10000. At 10000 the progress is complete and the indicator hidden.
*
* @param featureId The desired feature to change.
* Features are constants defined by Window.
* @param value The value for the feature. The interpretation of this
* value is feature-specific.
*/
public abstract void setFeatureInt(int featureId, int value);
/**
* Request that key events come to this activity. Use this if your
* activity has no views with focus, but the activity still wants
* a chance to process key events.
*/
public abstract void takeKeyEvents(boolean get);
/**
* Used by custom windows, such as Dialog, to pass the key press event
* further down the view hierarchy. Application developers should
* not need to implement or call this.
*
*/
public abstract boolean superDispatchKeyEvent(KeyEvent event);
/**
* Used by custom windows, such as Dialog, to pass the key shortcut press event
* further down the view hierarchy. Application developers should
* not need to implement or call this.
*
*/
public abstract boolean superDispatchKeyShortcutEvent(KeyEvent event);
/**
* Used by custom windows, such as Dialog, to pass the touch screen event
* further down the view hierarchy. Application developers should
* not need to implement or call this.
*
*/
public abstract boolean superDispatchTouchEvent(MotionEvent event);
/**
* Used by custom windows, such as Dialog, to pass the trackball event
* further down the view hierarchy. Application developers should
* not need to implement or call this.
*
*/
public abstract boolean superDispatchTrackballEvent(MotionEvent event);
/**
* Used by custom windows, such as Dialog, to pass the generic motion event
* further down the view hierarchy. Application developers should
* not need to implement or call this.
*
*/
public abstract boolean superDispatchGenericMotionEvent(MotionEvent event);
/**
* Retrieve the top-level window decor view (containing the standard
* window frame/decorations and the client's content inside of that), which
* can be added as a window to the window manager.
*
* <p><em>Note that calling this function for the first time "locks in"
* various window characteristics as described in
* {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}.</em></p>
*
* @return Returns the top-level window decor view.
*/
public abstract View getDecorView();
/**
* Retrieve the current decor view, but only if it has already been created;
* otherwise returns null.
*
* @return Returns the top-level window decor or null.
* @see #getDecorView
*/
public abstract View peekDecorView();
public abstract Bundle saveHierarchyState();
public abstract void restoreHierarchyState(Bundle savedInstanceState);
protected abstract void onActive();
/**
* Return the feature bits that are enabled. This is the set of features
* that were given to requestFeature(), and are being handled by this
* Window itself or its container. That is, it is the set of
* requested features that you can actually use.
*
* <p>To do: add a public version of this API that allows you to check for
* features by their feature ID.
*
* @return int The feature bits.
*/
protected final int getFeatures()
{
return mFeatures;
}
/**
* Query for the availability of a certain feature.
*
* @param feature The feature ID to check
* @return true if the feature is enabled, false otherwise.
*/
public boolean hasFeature(int feature) {
return (getFeatures() & (1 << feature)) != 0;
}
/**
* Return the feature bits that are being implemented by this Window.
* This is the set of features that were given to requestFeature(), and are
* being handled by only this Window itself, not by its containers.
*
* @return int The feature bits.
*/
protected final int getLocalFeatures()
{
return mLocalFeatures;
}
/**
* Set the default format of window, as per the PixelFormat types. This
* is the format that will be used unless the client specifies in explicit
* format with setFormat();
*
* @param format The new window format (see PixelFormat).
*
* @see #setFormat
* @see PixelFormat
*/
protected void setDefaultWindowFormat(int format) {
mDefaultWindowFormat = format;
if (!mHaveWindowFormat) {
final WindowManager.LayoutParams attrs = getAttributes();
attrs.format = format;
if (mCallback != null) {
mCallback.onWindowAttributesChanged(attrs);
}
}
}
public abstract void setChildDrawable(int featureId, Drawable drawable);
public abstract void setChildInt(int featureId, int value);
/**
* Is a keypress one of the defined shortcut keys for this window.
* @param keyCode the key code from {@link android.view.KeyEvent} to check.
* @param event the {@link android.view.KeyEvent} to use to help check.
*/
public abstract boolean isShortcutKey(int keyCode, KeyEvent event);
/**
* @see android.app.Activity#setVolumeControlStream(int)
*/
public abstract void setVolumeControlStream(int streamType);
/**
* @see android.app.Activity#getVolumeControlStream()
*/
public abstract int getVolumeControlStream();
}
|