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
|
/*
* Copyright (C) 2008 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.content.res;
import com.android.ide.common.rendering.api.IProjectCallback;
import com.android.ide.common.rendering.api.LayoutLog;
import com.android.ide.common.rendering.api.ResourceValue;
import com.android.layoutlib.bridge.Bridge;
import com.android.layoutlib.bridge.BridgeConstants;
import com.android.layoutlib.bridge.android.BridgeContext;
import com.android.layoutlib.bridge.android.BridgeXmlBlockParser;
import com.android.layoutlib.bridge.impl.ParserFactory;
import com.android.layoutlib.bridge.impl.ResourceHelper;
import com.android.ninepatch.NinePatch;
import com.android.resources.ResourceType;
import com.android.util.Pair;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.ViewGroup.LayoutParams;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
/**
*
*/
public final class BridgeResources extends Resources {
private BridgeContext mContext;
private IProjectCallback mProjectCallback;
private boolean[] mPlatformResourceFlag = new boolean[1];
/**
* Simpler wrapper around FileInputStream. This is used when the input stream represent
* not a normal bitmap but a nine patch.
* This is useful when the InputStream is created in a method but used in another that needs
* to know whether this is 9-patch or not, such as BitmapFactory.
*/
public class NinePatchInputStream extends FileInputStream {
private boolean mFakeMarkSupport = true;
public NinePatchInputStream(File file) throws FileNotFoundException {
super(file);
}
@Override
public boolean markSupported() {
if (mFakeMarkSupport) {
// this is needed so that BitmapFactory doesn't wrap this in a BufferedInputStream.
return true;
}
return super.markSupported();
}
public void disableFakeMarkSupport() {
// disable fake mark support so that in case codec actually try to use them
// we don't lie to them.
mFakeMarkSupport = false;
}
}
/**
* This initializes the static field {@link Resources#mSystem} which is used
* by methods who get global resources using {@link Resources#getSystem()}.
* <p/>
* They will end up using our bridge resources.
* <p/>
* {@link Bridge} calls this method after setting up a new bridge.
*/
public static Resources initSystem(BridgeContext context,
AssetManager assets,
DisplayMetrics metrics,
Configuration config,
IProjectCallback projectCallback) {
return Resources.mSystem = new BridgeResources(context,
assets,
metrics,
config,
projectCallback);
}
/**
* Disposes the static {@link Resources#mSystem} to make sure we don't leave objects
* around that would prevent us from unloading the library.
*/
public static void disposeSystem() {
if (Resources.mSystem instanceof BridgeResources) {
((BridgeResources)(Resources.mSystem)).mContext = null;
((BridgeResources)(Resources.mSystem)).mProjectCallback = null;
}
Resources.mSystem = null;
}
private BridgeResources(BridgeContext context, AssetManager assets, DisplayMetrics metrics,
Configuration config, IProjectCallback projectCallback) {
super(assets, metrics, config);
mContext = context;
mProjectCallback = projectCallback;
}
public BridgeTypedArray newTypeArray(int numEntries, boolean platformFile,
boolean platformStyleable, String styleableName) {
return new BridgeTypedArray(this, mContext, numEntries, platformFile,
platformStyleable, styleableName);
}
private Pair<String, ResourceValue> getResourceValue(int id, boolean[] platformResFlag_out) {
// first get the String related to this id in the framework
Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(id);
if (resourceInfo != null) {
platformResFlag_out[0] = true;
String attributeName = resourceInfo.getSecond();
return Pair.of(attributeName, mContext.getRenderResources().getFrameworkResource(
resourceInfo.getFirst(), attributeName));
}
// didn't find a match in the framework? look in the project.
if (mProjectCallback != null) {
resourceInfo = mProjectCallback.resolveResourceId(id);
if (resourceInfo != null) {
platformResFlag_out[0] = false;
String attributeName = resourceInfo.getSecond();
return Pair.of(attributeName, mContext.getRenderResources().getProjectResource(
resourceInfo.getFirst(), attributeName));
}
}
return null;
}
@Override
public Drawable getDrawable(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
return ResourceHelper.getDrawable(value.getSecond(), mContext);
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public int getColor(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
try {
return ResourceHelper.getColor(value.getSecond().getValue());
} catch (NumberFormatException e) {
Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, e.getMessage(), e,
null /*data*/);
return 0;
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return 0;
}
@Override
public ColorStateList getColorStateList(int id) throws NotFoundException {
Pair<String, ResourceValue> resValue = getResourceValue(id, mPlatformResourceFlag);
if (resValue != null) {
ColorStateList stateList = ResourceHelper.getColorStateList(resValue.getSecond(),
mContext);
if (stateList != null) {
return stateList;
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public CharSequence getText(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
return value.getSecond().getValue();
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public XmlResourceParser getLayout(int id) throws NotFoundException {
Pair<String, ResourceValue> v = getResourceValue(id, mPlatformResourceFlag);
if (v != null) {
ResourceValue value = v.getSecond();
XmlPullParser parser = null;
try {
// check if the current parser can provide us with a custom parser.
if (mPlatformResourceFlag[0] == false) {
parser = mProjectCallback.getParser(value);
}
// create a new one manually if needed.
if (parser == null) {
File xml = new File(value.getValue());
if (xml.isFile()) {
// we need to create a pull parser around the layout XML file, and then
// give that to our XmlBlockParser
parser = ParserFactory.create(xml);
}
}
if (parser != null) {
return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]);
}
} catch (XmlPullParserException e) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
"Failed to configure parser for " + value.getValue(), e, null /*data*/);
// we'll return null below.
} catch (FileNotFoundException e) {
// this shouldn't happen since we check above.
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public XmlResourceParser getAnimation(int id) throws NotFoundException {
Pair<String, ResourceValue> v = getResourceValue(id, mPlatformResourceFlag);
if (v != null) {
ResourceValue value = v.getSecond();
XmlPullParser parser = null;
try {
File xml = new File(value.getValue());
if (xml.isFile()) {
// we need to create a pull parser around the layout XML file, and then
// give that to our XmlBlockParser
parser = ParserFactory.create(xml);
return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]);
}
} catch (XmlPullParserException e) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
"Failed to configure parser for " + value.getValue(), e, null /*data*/);
// we'll return null below.
} catch (FileNotFoundException e) {
// this shouldn't happen since we check above.
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public TypedArray obtainAttributes(AttributeSet set, int[] attrs) {
return mContext.obtainStyledAttributes(set, attrs);
}
@Override
public TypedArray obtainTypedArray(int id) throws NotFoundException {
throw new UnsupportedOperationException();
}
@Override
public float getDimension(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String v = value.getSecond().getValue();
if (v != null) {
if (v.equals(BridgeConstants.MATCH_PARENT) ||
v.equals(BridgeConstants.FILL_PARENT)) {
return LayoutParams.MATCH_PARENT;
} else if (v.equals(BridgeConstants.WRAP_CONTENT)) {
return LayoutParams.WRAP_CONTENT;
}
if (ResourceHelper.parseFloatAttribute(
value.getFirst(), v, mTmpValue, true /*requireUnit*/) &&
mTmpValue.type == TypedValue.TYPE_DIMENSION) {
return mTmpValue.getDimension(getDisplayMetrics());
}
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return 0;
}
@Override
public int getDimensionPixelOffset(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String v = value.getSecond().getValue();
if (v != null) {
if (ResourceHelper.parseFloatAttribute(
value.getFirst(), v, mTmpValue, true /*requireUnit*/) &&
mTmpValue.type == TypedValue.TYPE_DIMENSION) {
return TypedValue.complexToDimensionPixelOffset(mTmpValue.data,
getDisplayMetrics());
}
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return 0;
}
@Override
public int getDimensionPixelSize(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String v = value.getSecond().getValue();
if (v != null) {
if (ResourceHelper.parseFloatAttribute(
value.getFirst(), v, mTmpValue, true /*requireUnit*/) &&
mTmpValue.type == TypedValue.TYPE_DIMENSION) {
return TypedValue.complexToDimensionPixelSize(mTmpValue.data,
getDisplayMetrics());
}
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return 0;
}
@Override
public int getInteger(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null && value.getSecond().getValue() != null) {
String v = value.getSecond().getValue();
int radix = 10;
if (v.startsWith("0x")) {
v = v.substring(2);
radix = 16;
}
try {
return Integer.parseInt(v, radix);
} catch (NumberFormatException e) {
// return exception below
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return 0;
}
@Override
public boolean getBoolean(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null && value.getSecond().getValue() != null) {
String v = value.getSecond().getValue();
return Boolean.parseBoolean(v);
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return false;
}
@Override
public String getResourceEntryName(int resid) throws NotFoundException {
throw new UnsupportedOperationException();
}
@Override
public String getResourceName(int resid) throws NotFoundException {
throw new UnsupportedOperationException();
}
@Override
public String getResourceTypeName(int resid) throws NotFoundException {
throw new UnsupportedOperationException();
}
@Override
public String getString(int id, Object... formatArgs) throws NotFoundException {
String s = getString(id);
if (s != null) {
return String.format(s, formatArgs);
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public String getString(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null && value.getSecond().getValue() != null) {
return value.getSecond().getValue();
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public void getValue(int id, TypedValue outValue, boolean resolveRefs)
throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String v = value.getSecond().getValue();
if (v != null) {
if (ResourceHelper.parseFloatAttribute(value.getFirst(), v, outValue,
false /*requireUnit*/)) {
return;
}
// else it's a string
outValue.type = TypedValue.TYPE_STRING;
outValue.string = v;
return;
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
}
@Override
public void getValue(String name, TypedValue outValue, boolean resolveRefs)
throws NotFoundException {
throw new UnsupportedOperationException();
}
@Override
public XmlResourceParser getXml(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String v = value.getSecond().getValue();
if (v != null) {
// check this is a file
File f = new File(v);
if (f.isFile()) {
try {
XmlPullParser parser = ParserFactory.create(f);
return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]);
} catch (XmlPullParserException e) {
NotFoundException newE = new NotFoundException();
newE.initCause(e);
throw newE;
} catch (FileNotFoundException e) {
NotFoundException newE = new NotFoundException();
newE.initCause(e);
throw newE;
}
}
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public XmlResourceParser loadXmlResourceParser(String file, int id,
int assetCookie, String type) throws NotFoundException {
// even though we know the XML file to load directly, we still need to resolve the
// id so that we can know if it's a platform or project resource.
// (mPlatformResouceFlag will get the result and will be used later).
getResourceValue(id, mPlatformResourceFlag);
File f = new File(file);
try {
XmlPullParser parser = ParserFactory.create(f);
return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]);
} catch (XmlPullParserException e) {
NotFoundException newE = new NotFoundException();
newE.initCause(e);
throw newE;
} catch (FileNotFoundException e) {
NotFoundException newE = new NotFoundException();
newE.initCause(e);
throw newE;
}
}
@Override
public InputStream openRawResource(int id) throws NotFoundException {
Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
if (value != null) {
String path = value.getSecond().getValue();
if (path != null) {
// check this is a file
File f = new File(path);
if (f.isFile()) {
try {
// if it's a nine-patch return a custom input stream so that
// other methods (mainly bitmap factory) can detect it's a 9-patch
// and actually load it as a 9-patch instead of a normal bitmap
if (path.toLowerCase().endsWith(NinePatch.EXTENSION_9PATCH)) {
return new NinePatchInputStream(f);
}
return new FileInputStream(f);
} catch (FileNotFoundException e) {
NotFoundException newE = new NotFoundException();
newE.initCause(e);
throw newE;
}
}
}
}
// id was not found or not resolved. Throw a NotFoundException.
throwException(id);
// this is not used since the method above always throws
return null;
}
@Override
public InputStream openRawResource(int id, TypedValue value) throws NotFoundException {
getValue(id, value, true);
String path = value.string.toString();
File f = new File(path);
if (f.isFile()) {
try {
// if it's a nine-patch return a custom input stream so that
// other methods (mainly bitmap factory) can detect it's a 9-patch
// and actually load it as a 9-patch instead of a normal bitmap
if (path.toLowerCase().endsWith(NinePatch.EXTENSION_9PATCH)) {
return new NinePatchInputStream(f);
}
return new FileInputStream(f);
} catch (FileNotFoundException e) {
NotFoundException exception = new NotFoundException();
exception.initCause(e);
throw exception;
}
}
throw new NotFoundException();
}
@Override
public AssetFileDescriptor openRawResourceFd(int id) throws NotFoundException {
throw new UnsupportedOperationException();
}
/**
* Builds and throws a {@link Resources.NotFoundException} based on a resource id and a resource type.
* @param id the id of the resource
* @throws NotFoundException
*/
private void throwException(int id) throws NotFoundException {
// first get the String related to this id in the framework
Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(id);
// if the name is unknown in the framework, get it from the custom view loader.
if (resourceInfo == null && mProjectCallback != null) {
resourceInfo = mProjectCallback.resolveResourceId(id);
}
String message = null;
if (resourceInfo != null) {
message = String.format(
"Could not find %1$s resource matching value 0x%2$X (resolved name: %3$s) in current configuration.",
resourceInfo.getFirst(), id, resourceInfo.getSecond());
} else {
message = String.format(
"Could not resolve resource value: 0x%1$X.", id);
}
throw new NotFoundException(message);
}
}
|