Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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.content.res; |
| 18 | |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 19 | import com.android.SdkConstants; |
| 20 | import com.android.ide.common.rendering.api.ArrayResourceValue; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 21 | import com.android.ide.common.rendering.api.LayoutLog; |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 22 | import com.android.ide.common.rendering.api.LayoutlibCallback; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 23 | import com.android.ide.common.rendering.api.ResourceValue; |
| 24 | import com.android.layoutlib.bridge.Bridge; |
| 25 | import com.android.layoutlib.bridge.BridgeConstants; |
| 26 | import com.android.layoutlib.bridge.android.BridgeContext; |
| 27 | import com.android.layoutlib.bridge.android.BridgeXmlBlockParser; |
| 28 | import com.android.layoutlib.bridge.impl.ParserFactory; |
| 29 | import com.android.layoutlib.bridge.impl.ResourceHelper; |
| 30 | import com.android.ninepatch.NinePatch; |
| 31 | import com.android.resources.ResourceType; |
| 32 | import com.android.util.Pair; |
| 33 | |
| 34 | import org.xmlpull.v1.XmlPullParser; |
| 35 | import org.xmlpull.v1.XmlPullParserException; |
| 36 | |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 37 | import android.annotation.NonNull; |
| 38 | import android.annotation.Nullable; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 39 | import android.graphics.drawable.Drawable; |
| 40 | import android.util.AttributeSet; |
| 41 | import android.util.DisplayMetrics; |
| 42 | import android.util.TypedValue; |
| 43 | import android.view.ViewGroup.LayoutParams; |
| 44 | |
| 45 | import java.io.File; |
| 46 | import java.io.FileInputStream; |
| 47 | import java.io.FileNotFoundException; |
| 48 | import java.io.InputStream; |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 49 | import java.util.Iterator; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 50 | |
| 51 | /** |
| 52 | * |
| 53 | */ |
| 54 | public final class BridgeResources extends Resources { |
| 55 | |
| 56 | private BridgeContext mContext; |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 57 | private LayoutlibCallback mLayoutlibCallback; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 58 | private boolean[] mPlatformResourceFlag = new boolean[1]; |
Alan Viverette | edc4664 | 2014-02-01 01:43:16 -0800 | [diff] [blame] | 59 | private TypedValue mTmpValue = new TypedValue(); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 60 | |
| 61 | /** |
| 62 | * Simpler wrapper around FileInputStream. This is used when the input stream represent |
| 63 | * not a normal bitmap but a nine patch. |
| 64 | * This is useful when the InputStream is created in a method but used in another that needs |
| 65 | * to know whether this is 9-patch or not, such as BitmapFactory. |
| 66 | */ |
| 67 | public class NinePatchInputStream extends FileInputStream { |
| 68 | private boolean mFakeMarkSupport = true; |
| 69 | public NinePatchInputStream(File file) throws FileNotFoundException { |
| 70 | super(file); |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public boolean markSupported() { |
| 75 | if (mFakeMarkSupport) { |
| 76 | // this is needed so that BitmapFactory doesn't wrap this in a BufferedInputStream. |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | return super.markSupported(); |
| 81 | } |
| 82 | |
| 83 | public void disableFakeMarkSupport() { |
| 84 | // disable fake mark support so that in case codec actually try to use them |
| 85 | // we don't lie to them. |
| 86 | mFakeMarkSupport = false; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * This initializes the static field {@link Resources#mSystem} which is used |
| 92 | * by methods who get global resources using {@link Resources#getSystem()}. |
| 93 | * <p/> |
| 94 | * They will end up using our bridge resources. |
| 95 | * <p/> |
| 96 | * {@link Bridge} calls this method after setting up a new bridge. |
| 97 | */ |
| 98 | public static Resources initSystem(BridgeContext context, |
| 99 | AssetManager assets, |
| 100 | DisplayMetrics metrics, |
| 101 | Configuration config, |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 102 | LayoutlibCallback layoutlibCallback) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 103 | return Resources.mSystem = new BridgeResources(context, |
| 104 | assets, |
| 105 | metrics, |
| 106 | config, |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 107 | layoutlibCallback); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Disposes the static {@link Resources#mSystem} to make sure we don't leave objects |
| 112 | * around that would prevent us from unloading the library. |
| 113 | */ |
| 114 | public static void disposeSystem() { |
| 115 | if (Resources.mSystem instanceof BridgeResources) { |
| 116 | ((BridgeResources)(Resources.mSystem)).mContext = null; |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 117 | ((BridgeResources)(Resources.mSystem)).mLayoutlibCallback = null; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 118 | } |
| 119 | Resources.mSystem = null; |
| 120 | } |
| 121 | |
| 122 | private BridgeResources(BridgeContext context, AssetManager assets, DisplayMetrics metrics, |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 123 | Configuration config, LayoutlibCallback layoutlibCallback) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 124 | super(assets, metrics, config); |
| 125 | mContext = context; |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 126 | mLayoutlibCallback = layoutlibCallback; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | public BridgeTypedArray newTypeArray(int numEntries, boolean platformFile) { |
| 130 | return new BridgeTypedArray(this, mContext, numEntries, platformFile); |
| 131 | } |
| 132 | |
| 133 | private Pair<String, ResourceValue> getResourceValue(int id, boolean[] platformResFlag_out) { |
| 134 | // first get the String related to this id in the framework |
| 135 | Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(id); |
| 136 | |
| 137 | if (resourceInfo != null) { |
| 138 | platformResFlag_out[0] = true; |
| 139 | String attributeName = resourceInfo.getSecond(); |
| 140 | |
| 141 | return Pair.of(attributeName, mContext.getRenderResources().getFrameworkResource( |
| 142 | resourceInfo.getFirst(), attributeName)); |
| 143 | } |
| 144 | |
| 145 | // didn't find a match in the framework? look in the project. |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 146 | if (mLayoutlibCallback != null) { |
| 147 | resourceInfo = mLayoutlibCallback.resolveResourceId(id); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 148 | |
| 149 | if (resourceInfo != null) { |
| 150 | platformResFlag_out[0] = false; |
| 151 | String attributeName = resourceInfo.getSecond(); |
| 152 | |
| 153 | return Pair.of(attributeName, mContext.getRenderResources().getProjectResource( |
| 154 | resourceInfo.getFirst(), attributeName)); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | return null; |
| 159 | } |
| 160 | |
| 161 | @Override |
Deepanshu Gupta | 8250a82 | 2014-02-18 20:21:24 -0800 | [diff] [blame] | 162 | public Drawable getDrawable(int id, Theme theme) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 163 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 164 | |
| 165 | if (value != null) { |
Deepanshu Gupta | 4a605c6 | 2014-10-28 10:50:00 -0700 | [diff] [blame] | 166 | return ResourceHelper.getDrawable(value.getSecond(), mContext, theme); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | // id was not found or not resolved. Throw a NotFoundException. |
| 170 | throwException(id); |
| 171 | |
| 172 | // this is not used since the method above always throws |
| 173 | return null; |
| 174 | } |
| 175 | |
| 176 | @Override |
Deepanshu Gupta | 4d8e078 | 2015-05-20 18:25:58 -0700 | [diff] [blame] | 177 | public int getColor(int id, Theme theme) throws NotFoundException { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 178 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 179 | |
| 180 | if (value != null) { |
Deepanshu Gupta | 68501b8 | 2015-02-23 11:52:10 -0800 | [diff] [blame] | 181 | ResourceValue resourceValue = value.getSecond(); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 182 | try { |
Deepanshu Gupta | 68501b8 | 2015-02-23 11:52:10 -0800 | [diff] [blame] | 183 | return ResourceHelper.getColor(resourceValue.getValue()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 184 | } catch (NumberFormatException e) { |
Deepanshu Gupta | 68501b8 | 2015-02-23 11:52:10 -0800 | [diff] [blame] | 185 | // Check if the value passed is a file. If it is, mostly likely, user is referencing |
| 186 | // a color state list from a place where they should reference only a pure color. |
| 187 | String message; |
| 188 | if (new File(resourceValue.getValue()).isFile()) { |
| 189 | String resource = (resourceValue.isFramework() ? "@android:" : "@") + "color/" |
| 190 | + resourceValue.getName(); |
| 191 | message = "Hexadecimal color expected, found Color State List for " + resource; |
| 192 | } else { |
| 193 | message = e.getMessage(); |
| 194 | } |
| 195 | Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, message, e, null); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 196 | return 0; |
| 197 | } |
| 198 | } |
| 199 | |
Deepanshu Gupta | 4d8e078 | 2015-05-20 18:25:58 -0700 | [diff] [blame] | 200 | // Suppress possible NPE. getColorStateList will never return null, it will instead |
| 201 | // throw an exception, but intelliJ can't figure that out |
| 202 | //noinspection ConstantConditions |
| 203 | return getColorStateList(id, theme).getDefaultColor(); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | @Override |
Deepanshu Gupta | 4d8e078 | 2015-05-20 18:25:58 -0700 | [diff] [blame] | 207 | public ColorStateList getColorStateList(int id, Theme theme) throws NotFoundException { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 208 | Pair<String, ResourceValue> resValue = getResourceValue(id, mPlatformResourceFlag); |
| 209 | |
| 210 | if (resValue != null) { |
| 211 | ColorStateList stateList = ResourceHelper.getColorStateList(resValue.getSecond(), |
| 212 | mContext); |
| 213 | if (stateList != null) { |
Deepanshu Gupta | 4d8e078 | 2015-05-20 18:25:58 -0700 | [diff] [blame] | 214 | return stateList.obtainForTheme(theme); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 215 | } |
| 216 | } |
| 217 | |
| 218 | // id was not found or not resolved. Throw a NotFoundException. |
| 219 | throwException(id); |
| 220 | |
| 221 | // this is not used since the method above always throws |
| 222 | return null; |
| 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public CharSequence getText(int id) throws NotFoundException { |
| 227 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 228 | |
| 229 | if (value != null) { |
| 230 | ResourceValue resValue = value.getSecond(); |
| 231 | |
| 232 | assert resValue != null; |
| 233 | if (resValue != null) { |
| 234 | String v = resValue.getValue(); |
| 235 | if (v != null) { |
| 236 | return v; |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | // id was not found or not resolved. Throw a NotFoundException. |
| 242 | throwException(id); |
| 243 | |
| 244 | // this is not used since the method above always throws |
| 245 | return null; |
| 246 | } |
| 247 | |
| 248 | @Override |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 249 | public CharSequence[] getTextArray(int id) throws NotFoundException { |
| 250 | ResourceValue resValue = getArrayResourceValue(id); |
| 251 | if (resValue == null) { |
| 252 | // Error already logged by getArrayResourceValue. |
| 253 | return new CharSequence[0]; |
| 254 | } else if (!(resValue instanceof ArrayResourceValue)) { |
| 255 | return new CharSequence[]{ |
| 256 | resolveReference(resValue.getValue(), resValue.isFramework())}; |
| 257 | } |
| 258 | ArrayResourceValue arv = ((ArrayResourceValue) resValue); |
| 259 | return fillValues(arv, new CharSequence[arv.getElementCount()]); |
| 260 | } |
| 261 | |
| 262 | @Override |
| 263 | public String[] getStringArray(int id) throws NotFoundException { |
| 264 | ResourceValue resValue = getArrayResourceValue(id); |
| 265 | if (resValue == null) { |
| 266 | // Error already logged by getArrayResourceValue. |
| 267 | return new String[0]; |
| 268 | } else if (!(resValue instanceof ArrayResourceValue)) { |
| 269 | return new String[]{ |
| 270 | resolveReference(resValue.getValue(), resValue.isFramework())}; |
| 271 | } |
| 272 | ArrayResourceValue arv = ((ArrayResourceValue) resValue); |
| 273 | return fillValues(arv, new String[arv.getElementCount()]); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Resolve each element in resValue and copy them to {@code values}. The values copied are |
| 278 | * always Strings. The ideal signature for the method should be <T super String>, but java |
| 279 | * generics don't support it. |
| 280 | */ |
| 281 | private <T extends CharSequence> T[] fillValues(ArrayResourceValue resValue, T[] values) { |
| 282 | int i = 0; |
| 283 | for (Iterator<String> iterator = resValue.iterator(); iterator.hasNext(); i++) { |
| 284 | @SuppressWarnings("unchecked") |
| 285 | T s = (T) resolveReference(iterator.next(), resValue.isFramework()); |
| 286 | values[i] = s; |
| 287 | } |
| 288 | return values; |
| 289 | } |
| 290 | |
| 291 | @Override |
| 292 | public int[] getIntArray(int id) throws NotFoundException { |
| 293 | ResourceValue rv = getArrayResourceValue(id); |
| 294 | if (rv == null) { |
| 295 | // Error already logged by getArrayResourceValue. |
| 296 | return new int[0]; |
| 297 | } else if (!(rv instanceof ArrayResourceValue)) { |
| 298 | // This is an older IDE that can only give us the first element of the array. |
| 299 | String firstValue = resolveReference(rv.getValue(), rv.isFramework()); |
| 300 | try { |
| 301 | return new int[]{getInt(firstValue)}; |
| 302 | } catch (NumberFormatException e) { |
| 303 | Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, |
| 304 | "Integer resource array contains non-integer value: " + |
| 305 | firstValue, null); |
| 306 | return new int[1]; |
| 307 | } |
| 308 | } |
| 309 | ArrayResourceValue resValue = ((ArrayResourceValue) rv); |
| 310 | int[] values = new int[resValue.getElementCount()]; |
| 311 | int i = 0; |
| 312 | for (Iterator<String> iterator = resValue.iterator(); iterator.hasNext(); i++) { |
| 313 | String element = resolveReference(iterator.next(), resValue.isFramework()); |
| 314 | try { |
| 315 | values[i] = getInt(element); |
| 316 | } catch (NumberFormatException e) { |
| 317 | Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, |
| 318 | "Integer resource array contains non-integer value: " + element, null); |
| 319 | } |
| 320 | } |
| 321 | return values; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Try to find the ArrayResourceValue for the given id. |
| 326 | * <p/> |
| 327 | * If the ResourceValue found is not of type {@link ResourceType#ARRAY}, the method logs an |
| 328 | * error and return null. However, if the ResourceValue found has type {@code |
| 329 | * ResourceType.ARRAY}, but the value is not an instance of {@link ArrayResourceValue}, the |
| 330 | * method returns the ResourceValue. This happens on older versions of the IDE, which did not |
| 331 | * parse the array resources properly. |
| 332 | * <p/> |
| 333 | * @throws NotFoundException if no resource if found |
| 334 | */ |
| 335 | @Nullable |
| 336 | private ResourceValue getArrayResourceValue(int id) throws NotFoundException { |
| 337 | Pair<String, ResourceValue> v = getResourceValue(id, mPlatformResourceFlag); |
| 338 | |
| 339 | if (v != null) { |
| 340 | ResourceValue resValue = v.getSecond(); |
| 341 | |
| 342 | assert resValue != null; |
| 343 | if (resValue != null) { |
| 344 | final ResourceType type = resValue.getResourceType(); |
| 345 | if (type != ResourceType.ARRAY) { |
| 346 | Bridge.getLog().error(LayoutLog.TAG_RESOURCES_RESOLVE, |
| 347 | String.format( |
| 348 | "Resource with id 0x%1$X is not an array resource, but %2$s", |
| 349 | id, type == null ? "null" : type.getDisplayName()), |
| 350 | null); |
| 351 | return null; |
| 352 | } |
| 353 | if (!(resValue instanceof ArrayResourceValue)) { |
| 354 | Bridge.getLog().warning(LayoutLog.TAG_UNSUPPORTED, |
| 355 | "Obtaining resource arrays via getTextArray, getStringArray or getIntArray is not fully supported in this version of the IDE.", |
| 356 | null); |
| 357 | } |
| 358 | return resValue; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | // id was not found or not resolved. Throw a NotFoundException. |
| 363 | throwException(id); |
| 364 | |
| 365 | // this is not used since the method above always throws |
| 366 | return null; |
| 367 | } |
| 368 | |
| 369 | @NonNull |
| 370 | private String resolveReference(@NonNull String ref, boolean forceFrameworkOnly) { |
| 371 | if (ref.startsWith(SdkConstants.PREFIX_RESOURCE_REF) || ref.startsWith |
| 372 | (SdkConstants.PREFIX_THEME_REF)) { |
| 373 | ResourceValue rv = |
| 374 | mContext.getRenderResources().findResValue(ref, forceFrameworkOnly); |
| 375 | rv = mContext.getRenderResources().resolveResValue(rv); |
| 376 | if (rv != null) { |
| 377 | return rv.getValue(); |
| 378 | } else { |
| 379 | Bridge.getLog().error(LayoutLog.TAG_RESOURCES_RESOLVE, |
| 380 | "Unable to resolve resource " + ref, null); |
| 381 | } |
| 382 | } |
| 383 | // Not a reference. |
| 384 | return ref; |
| 385 | } |
| 386 | |
| 387 | @Override |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 388 | public XmlResourceParser getLayout(int id) throws NotFoundException { |
| 389 | Pair<String, ResourceValue> v = getResourceValue(id, mPlatformResourceFlag); |
| 390 | |
| 391 | if (v != null) { |
| 392 | ResourceValue value = v.getSecond(); |
| 393 | XmlPullParser parser = null; |
| 394 | |
| 395 | try { |
| 396 | // check if the current parser can provide us with a custom parser. |
| 397 | if (mPlatformResourceFlag[0] == false) { |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 398 | parser = mLayoutlibCallback.getParser(value); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | // create a new one manually if needed. |
| 402 | if (parser == null) { |
| 403 | File xml = new File(value.getValue()); |
| 404 | if (xml.isFile()) { |
| 405 | // we need to create a pull parser around the layout XML file, and then |
| 406 | // give that to our XmlBlockParser |
| 407 | parser = ParserFactory.create(xml); |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | if (parser != null) { |
| 412 | return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]); |
| 413 | } |
| 414 | } catch (XmlPullParserException e) { |
| 415 | Bridge.getLog().error(LayoutLog.TAG_BROKEN, |
| 416 | "Failed to configure parser for " + value.getValue(), e, null /*data*/); |
| 417 | // we'll return null below. |
| 418 | } catch (FileNotFoundException e) { |
| 419 | // this shouldn't happen since we check above. |
| 420 | } |
| 421 | |
| 422 | } |
| 423 | |
| 424 | // id was not found or not resolved. Throw a NotFoundException. |
| 425 | throwException(id); |
| 426 | |
| 427 | // this is not used since the method above always throws |
| 428 | return null; |
| 429 | } |
| 430 | |
| 431 | @Override |
| 432 | public XmlResourceParser getAnimation(int id) throws NotFoundException { |
| 433 | Pair<String, ResourceValue> v = getResourceValue(id, mPlatformResourceFlag); |
| 434 | |
| 435 | if (v != null) { |
| 436 | ResourceValue value = v.getSecond(); |
| 437 | XmlPullParser parser = null; |
| 438 | |
| 439 | try { |
| 440 | File xml = new File(value.getValue()); |
| 441 | if (xml.isFile()) { |
| 442 | // we need to create a pull parser around the layout XML file, and then |
| 443 | // give that to our XmlBlockParser |
| 444 | parser = ParserFactory.create(xml); |
| 445 | |
| 446 | return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]); |
| 447 | } |
| 448 | } catch (XmlPullParserException e) { |
| 449 | Bridge.getLog().error(LayoutLog.TAG_BROKEN, |
| 450 | "Failed to configure parser for " + value.getValue(), e, null /*data*/); |
| 451 | // we'll return null below. |
| 452 | } catch (FileNotFoundException e) { |
| 453 | // this shouldn't happen since we check above. |
| 454 | } |
| 455 | |
| 456 | } |
| 457 | |
| 458 | // id was not found or not resolved. Throw a NotFoundException. |
| 459 | throwException(id); |
| 460 | |
| 461 | // this is not used since the method above always throws |
| 462 | return null; |
| 463 | } |
| 464 | |
| 465 | @Override |
| 466 | public TypedArray obtainAttributes(AttributeSet set, int[] attrs) { |
| 467 | return mContext.obtainStyledAttributes(set, attrs); |
| 468 | } |
| 469 | |
| 470 | @Override |
| 471 | public TypedArray obtainTypedArray(int id) throws NotFoundException { |
| 472 | throw new UnsupportedOperationException(); |
| 473 | } |
| 474 | |
| 475 | |
| 476 | @Override |
| 477 | public float getDimension(int id) throws NotFoundException { |
| 478 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 479 | |
| 480 | if (value != null) { |
| 481 | ResourceValue resValue = value.getSecond(); |
| 482 | |
| 483 | assert resValue != null; |
| 484 | if (resValue != null) { |
| 485 | String v = resValue.getValue(); |
| 486 | if (v != null) { |
| 487 | if (v.equals(BridgeConstants.MATCH_PARENT) || |
| 488 | v.equals(BridgeConstants.FILL_PARENT)) { |
| 489 | return LayoutParams.MATCH_PARENT; |
| 490 | } else if (v.equals(BridgeConstants.WRAP_CONTENT)) { |
| 491 | return LayoutParams.WRAP_CONTENT; |
| 492 | } |
| 493 | |
| 494 | if (ResourceHelper.parseFloatAttribute( |
| 495 | value.getFirst(), v, mTmpValue, true /*requireUnit*/) && |
| 496 | mTmpValue.type == TypedValue.TYPE_DIMENSION) { |
| 497 | return mTmpValue.getDimension(getDisplayMetrics()); |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | // id was not found or not resolved. Throw a NotFoundException. |
| 504 | throwException(id); |
| 505 | |
| 506 | // this is not used since the method above always throws |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | @Override |
| 511 | public int getDimensionPixelOffset(int id) throws NotFoundException { |
| 512 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 513 | |
| 514 | if (value != null) { |
| 515 | ResourceValue resValue = value.getSecond(); |
| 516 | |
| 517 | assert resValue != null; |
| 518 | if (resValue != null) { |
| 519 | String v = resValue.getValue(); |
| 520 | if (v != null) { |
| 521 | if (ResourceHelper.parseFloatAttribute( |
| 522 | value.getFirst(), v, mTmpValue, true /*requireUnit*/) && |
| 523 | mTmpValue.type == TypedValue.TYPE_DIMENSION) { |
| 524 | return TypedValue.complexToDimensionPixelOffset(mTmpValue.data, |
| 525 | getDisplayMetrics()); |
| 526 | } |
| 527 | } |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | // id was not found or not resolved. Throw a NotFoundException. |
| 532 | throwException(id); |
| 533 | |
| 534 | // this is not used since the method above always throws |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | @Override |
| 539 | public int getDimensionPixelSize(int id) throws NotFoundException { |
| 540 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 541 | |
| 542 | if (value != null) { |
| 543 | ResourceValue resValue = value.getSecond(); |
| 544 | |
| 545 | assert resValue != null; |
| 546 | if (resValue != null) { |
| 547 | String v = resValue.getValue(); |
| 548 | if (v != null) { |
| 549 | if (ResourceHelper.parseFloatAttribute( |
| 550 | value.getFirst(), v, mTmpValue, true /*requireUnit*/) && |
| 551 | mTmpValue.type == TypedValue.TYPE_DIMENSION) { |
| 552 | return TypedValue.complexToDimensionPixelSize(mTmpValue.data, |
| 553 | getDisplayMetrics()); |
| 554 | } |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | // id was not found or not resolved. Throw a NotFoundException. |
| 560 | throwException(id); |
| 561 | |
| 562 | // this is not used since the method above always throws |
| 563 | return 0; |
| 564 | } |
| 565 | |
| 566 | @Override |
| 567 | public int getInteger(int id) throws NotFoundException { |
| 568 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 569 | |
| 570 | if (value != null) { |
| 571 | ResourceValue resValue = value.getSecond(); |
| 572 | |
| 573 | assert resValue != null; |
| 574 | if (resValue != null) { |
| 575 | String v = resValue.getValue(); |
| 576 | if (v != null) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 577 | try { |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 578 | return getInt(v); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 579 | } catch (NumberFormatException e) { |
| 580 | // return exception below |
| 581 | } |
| 582 | } |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | // id was not found or not resolved. Throw a NotFoundException. |
| 587 | throwException(id); |
| 588 | |
| 589 | // this is not used since the method above always throws |
| 590 | return 0; |
| 591 | } |
| 592 | |
| 593 | @Override |
| 594 | public boolean getBoolean(int id) throws NotFoundException { |
| 595 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 596 | |
| 597 | if (value != null) { |
| 598 | ResourceValue resValue = value.getSecond(); |
| 599 | |
| 600 | assert resValue != null; |
| 601 | if (resValue != null) { |
| 602 | String v = resValue.getValue(); |
| 603 | if (v != null) { |
| 604 | return Boolean.parseBoolean(v); |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | // id was not found or not resolved. Throw a NotFoundException. |
| 610 | throwException(id); |
| 611 | |
| 612 | // this is not used since the method above always throws |
| 613 | return false; |
| 614 | } |
| 615 | |
| 616 | @Override |
| 617 | public String getResourceEntryName(int resid) throws NotFoundException { |
| 618 | throw new UnsupportedOperationException(); |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public String getResourceName(int resid) throws NotFoundException { |
| 623 | throw new UnsupportedOperationException(); |
| 624 | } |
| 625 | |
| 626 | @Override |
| 627 | public String getResourceTypeName(int resid) throws NotFoundException { |
| 628 | throw new UnsupportedOperationException(); |
| 629 | } |
| 630 | |
| 631 | @Override |
| 632 | public String getString(int id, Object... formatArgs) throws NotFoundException { |
| 633 | String s = getString(id); |
| 634 | if (s != null) { |
| 635 | return String.format(s, formatArgs); |
| 636 | |
| 637 | } |
| 638 | |
| 639 | // id was not found or not resolved. Throw a NotFoundException. |
| 640 | throwException(id); |
| 641 | |
| 642 | // this is not used since the method above always throws |
| 643 | return null; |
| 644 | } |
| 645 | |
| 646 | @Override |
| 647 | public String getString(int id) throws NotFoundException { |
| 648 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 649 | |
| 650 | if (value != null && value.getSecond().getValue() != null) { |
| 651 | return value.getSecond().getValue(); |
| 652 | } |
| 653 | |
| 654 | // id was not found or not resolved. Throw a NotFoundException. |
| 655 | throwException(id); |
| 656 | |
| 657 | // this is not used since the method above always throws |
| 658 | return null; |
| 659 | } |
| 660 | |
| 661 | @Override |
| 662 | public void getValue(int id, TypedValue outValue, boolean resolveRefs) |
| 663 | throws NotFoundException { |
| 664 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 665 | |
| 666 | if (value != null) { |
| 667 | String v = value.getSecond().getValue(); |
| 668 | |
| 669 | if (v != null) { |
| 670 | if (ResourceHelper.parseFloatAttribute(value.getFirst(), v, outValue, |
| 671 | false /*requireUnit*/)) { |
| 672 | return; |
| 673 | } |
| 674 | |
| 675 | // else it's a string |
| 676 | outValue.type = TypedValue.TYPE_STRING; |
| 677 | outValue.string = v; |
| 678 | return; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | // id was not found or not resolved. Throw a NotFoundException. |
| 683 | throwException(id); |
| 684 | } |
| 685 | |
| 686 | @Override |
| 687 | public void getValue(String name, TypedValue outValue, boolean resolveRefs) |
| 688 | throws NotFoundException { |
| 689 | throw new UnsupportedOperationException(); |
| 690 | } |
| 691 | |
| 692 | @Override |
| 693 | public XmlResourceParser getXml(int id) throws NotFoundException { |
| 694 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 695 | |
| 696 | if (value != null) { |
| 697 | String v = value.getSecond().getValue(); |
| 698 | |
| 699 | if (v != null) { |
| 700 | // check this is a file |
| 701 | File f = new File(v); |
| 702 | if (f.isFile()) { |
| 703 | try { |
| 704 | XmlPullParser parser = ParserFactory.create(f); |
| 705 | |
| 706 | return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]); |
| 707 | } catch (XmlPullParserException e) { |
| 708 | NotFoundException newE = new NotFoundException(); |
| 709 | newE.initCause(e); |
| 710 | throw newE; |
| 711 | } catch (FileNotFoundException e) { |
| 712 | NotFoundException newE = new NotFoundException(); |
| 713 | newE.initCause(e); |
| 714 | throw newE; |
| 715 | } |
| 716 | } |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | // id was not found or not resolved. Throw a NotFoundException. |
| 721 | throwException(id); |
| 722 | |
| 723 | // this is not used since the method above always throws |
| 724 | return null; |
| 725 | } |
| 726 | |
| 727 | @Override |
| 728 | public XmlResourceParser loadXmlResourceParser(String file, int id, |
| 729 | int assetCookie, String type) throws NotFoundException { |
| 730 | // even though we know the XML file to load directly, we still need to resolve the |
| 731 | // id so that we can know if it's a platform or project resource. |
| 732 | // (mPlatformResouceFlag will get the result and will be used later). |
| 733 | getResourceValue(id, mPlatformResourceFlag); |
| 734 | |
| 735 | File f = new File(file); |
| 736 | try { |
| 737 | XmlPullParser parser = ParserFactory.create(f); |
| 738 | |
| 739 | return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]); |
| 740 | } catch (XmlPullParserException e) { |
| 741 | NotFoundException newE = new NotFoundException(); |
| 742 | newE.initCause(e); |
| 743 | throw newE; |
| 744 | } catch (FileNotFoundException e) { |
| 745 | NotFoundException newE = new NotFoundException(); |
| 746 | newE.initCause(e); |
| 747 | throw newE; |
| 748 | } |
| 749 | } |
| 750 | |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 751 | @Override |
| 752 | public InputStream openRawResource(int id) throws NotFoundException { |
| 753 | Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag); |
| 754 | |
| 755 | if (value != null) { |
| 756 | String path = value.getSecond().getValue(); |
| 757 | |
| 758 | if (path != null) { |
| 759 | // check this is a file |
| 760 | File f = new File(path); |
| 761 | if (f.isFile()) { |
| 762 | try { |
| 763 | // if it's a nine-patch return a custom input stream so that |
| 764 | // other methods (mainly bitmap factory) can detect it's a 9-patch |
| 765 | // and actually load it as a 9-patch instead of a normal bitmap |
| 766 | if (path.toLowerCase().endsWith(NinePatch.EXTENSION_9PATCH)) { |
| 767 | return new NinePatchInputStream(f); |
| 768 | } |
| 769 | return new FileInputStream(f); |
| 770 | } catch (FileNotFoundException e) { |
| 771 | NotFoundException newE = new NotFoundException(); |
| 772 | newE.initCause(e); |
| 773 | throw newE; |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | // id was not found or not resolved. Throw a NotFoundException. |
| 780 | throwException(id); |
| 781 | |
| 782 | // this is not used since the method above always throws |
| 783 | return null; |
| 784 | } |
| 785 | |
| 786 | @Override |
| 787 | public InputStream openRawResource(int id, TypedValue value) throws NotFoundException { |
| 788 | getValue(id, value, true); |
| 789 | |
| 790 | String path = value.string.toString(); |
| 791 | |
| 792 | File f = new File(path); |
| 793 | if (f.isFile()) { |
| 794 | try { |
| 795 | // if it's a nine-patch return a custom input stream so that |
| 796 | // other methods (mainly bitmap factory) can detect it's a 9-patch |
| 797 | // and actually load it as a 9-patch instead of a normal bitmap |
| 798 | if (path.toLowerCase().endsWith(NinePatch.EXTENSION_9PATCH)) { |
| 799 | return new NinePatchInputStream(f); |
| 800 | } |
| 801 | return new FileInputStream(f); |
| 802 | } catch (FileNotFoundException e) { |
| 803 | NotFoundException exception = new NotFoundException(); |
| 804 | exception.initCause(e); |
| 805 | throw exception; |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | throw new NotFoundException(); |
| 810 | } |
| 811 | |
| 812 | @Override |
| 813 | public AssetFileDescriptor openRawResourceFd(int id) throws NotFoundException { |
| 814 | throw new UnsupportedOperationException(); |
| 815 | } |
| 816 | |
| 817 | /** |
| 818 | * Builds and throws a {@link Resources.NotFoundException} based on a resource id and a resource type. |
| 819 | * @param id the id of the resource |
| 820 | * @throws NotFoundException |
| 821 | */ |
| 822 | private void throwException(int id) throws NotFoundException { |
| 823 | // first get the String related to this id in the framework |
| 824 | Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(id); |
| 825 | |
| 826 | // if the name is unknown in the framework, get it from the custom view loader. |
Deepanshu Gupta | 37dbb8b | 2015-04-14 16:39:41 -0700 | [diff] [blame] | 827 | if (resourceInfo == null && mLayoutlibCallback != null) { |
| 828 | resourceInfo = mLayoutlibCallback.resolveResourceId(id); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 829 | } |
| 830 | |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 831 | String message; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 832 | if (resourceInfo != null) { |
| 833 | message = String.format( |
| 834 | "Could not find %1$s resource matching value 0x%2$X (resolved name: %3$s) in current configuration.", |
| 835 | resourceInfo.getFirst(), id, resourceInfo.getSecond()); |
| 836 | } else { |
| 837 | message = String.format( |
| 838 | "Could not resolve resource value: 0x%1$X.", id); |
| 839 | } |
| 840 | |
| 841 | throw new NotFoundException(message); |
| 842 | } |
Deepanshu Gupta | 642cff5 | 2015-05-22 15:47:16 -0700 | [diff] [blame] | 843 | |
| 844 | private int getInt(String v) throws NumberFormatException { |
| 845 | int radix = 10; |
| 846 | if (v.startsWith("0x")) { |
| 847 | v = v.substring(2); |
| 848 | radix = 16; |
| 849 | } else if (v.startsWith("0")) { |
| 850 | radix = 8; |
| 851 | } |
| 852 | return Integer.parseInt(v, radix); |
| 853 | } |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 854 | } |