/**
* Create a new rendering session and test that rendering /layout/activity.xml on nexus 5 doesn't
* throw any exceptions.
*/
@Test
public void testRendering() throws ClassNotFoundException {
// Create the layout pull parser.
LayoutPullParser parser = new LayoutPullParser(APP_TEST_RES + "/layout/activity.xml");
// Create LayoutLibCallback.
LayoutLibTestCallback layoutLibCallback = new LayoutLibTestCallback(getLogger());
layoutLibCallback.initResources();
// TODO: Set up action bar handler properly to test menu rendering.
// Create session params.
SessionParams params = getSessionParams(parser, ConfigGenerator.NEXUS_5, layoutLibCallback);
RenderSession session = mBridge.createSession(params);
if (!session.getResult().isSuccess()) {
getLogger().error(session.getResult().getException(), session.getResult().getErrorMessage());
}
// Render the session with a timeout of 50s.
Result renderResult = session.render(50000);
if (!renderResult.isSuccess()) {
getLogger().error(session.getResult().getException(), session.getResult().getErrorMessage());
}
try {
String goldenImagePath = APP_TEST_DIR + "/golden/activity.png";
ImageUtils.requireSimilar(goldenImagePath, session.getImage());
} catch (IOException e) {
getLogger().error(e, e.getMessage());
}
}
/**
* Tear down the session after rendering.
*
* <p>The counterpart is {@link #setUp()}.
*/
private void tearDown() {
// The context may be null, if there was an error during init().
if (mContext != null) {
// Make sure to remove static references, otherwise we could not unload the lib
mContext.disposeResources();
}
if (sCurrentContext != null) {
// quit HandlerThread created during this session.
HandlerThread_Delegate.cleanUp(sCurrentContext);
}
// clear the stored ViewConfiguration since the map is per density and not per context.
ViewConfiguration_Accessor.clearConfigurations();
// remove the InputMethodManager
InputMethodManager_Accessor.resetInstance();
sCurrentContext = null;
Bridge.setLog(null);
if (mContext != null) {
mContext.getRenderResources().setFrameworkResourceIdProvider(null);
mContext.getRenderResources().setLogger(null);
}
ParserFactory.setParserFactory(null);
}
/** Initialize the bridge and the resource maps. */
@Before
public void setUp() {
File data_dir = new File(PLATFORM_DIR, "data");
File res = new File(data_dir, "res");
mFrameworkRepo = new FrameworkResources(new FolderWrapper(res));
mFrameworkRepo.loadResources();
mFrameworkRepo.loadPublicResources(getLogger());
mProjectResources =
new ResourceRepository(new FolderWrapper(TEST_RES_DIR + APP_TEST_RES), false) {
@NonNull
@Override
protected ResourceItem createResourceItem(String name) {
return new ResourceItem(name);
}
};
mProjectResources.loadResources();
File fontLocation = new File(data_dir, "fonts");
File buildProp = new File(PLATFORM_DIR, "build.prop");
File attrs = new File(res, "values" + File.separator + "attrs.xml");
mBridge = new Bridge();
mBridge.init(
ConfigGenerator.loadProperties(buildProp),
fontLocation,
ConfigGenerator.getEnumMap(attrs),
getLayoutLog());
}
/**
* Acquire the lock so that the scene can be acted upon.
*
* <p>This returns null if the lock was just acquired, otherwise it returns {@link
* Result.Status#SUCCESS} if the lock already belonged to that thread, or another instance (see
* {@link Result#getStatus()}) if an error occurred.
*
* @param timeout the time to wait if another rendering is happening.
* @return null if the lock was just acquire or another result depending on the state.
* @throws IllegalStateException if the current context is different than the one owned by the
* scene.
*/
private Result acquireLock(long timeout) {
ReentrantLock lock = Bridge.getLock();
if (!lock.isHeldByCurrentThread()) {
try {
boolean acquired = lock.tryLock(timeout, TimeUnit.MILLISECONDS);
if (!acquired) {
return ERROR_TIMEOUT.createResult();
}
} catch (InterruptedException e) {
return ERROR_LOCK_INTERRUPTED.createResult();
}
} else {
// This thread holds the lock already. Checks that this wasn't for a different context.
// If this is called by init, mContext will be null and so should sCurrentContext
// anyway
if (mContext != sCurrentContext) {
throw new IllegalStateException(
"Acquiring different scenes from same thread without releases");
}
return SUCCESS.createResult();
}
return null;
}
/**
* Checks that the lock is owned by the current thread and that the current context is the one
* from this scene.
*
* @throws IllegalStateException if the current context is different than the one owned by the
* scene, or if {@link #acquire(long)} was not called.
*/
protected void checkLock() {
ReentrantLock lock = Bridge.getLock();
if (!lock.isHeldByCurrentThread()) {
throw new IllegalStateException("scene must be acquired first. see #acquire(long)");
}
if (sCurrentContext != mContext) {
throw new IllegalStateException("Thread acquired a scene but is rendering a different one");
}
}
/**
* Returns a {@link NinePatchChunk} object for the given serialized representation.
*
* <p>If the chunk is present in the cache then the object from the cache is returned, otherwise
* the array is deserialized into a {@link NinePatchChunk} object.
*
* @param array the serialized representation of the chunk.
* @return the NinePatchChunk or null if deserialization failed.
*/
public static NinePatchChunk getChunk(byte[] array) {
SoftReference<NinePatchChunk> chunkRef = sChunkCache.get(array);
NinePatchChunk chunk = chunkRef.get();
if (chunk == null) {
ByteArrayInputStream bais = new ByteArrayInputStream(array);
ObjectInputStream ois = null;
try {
ois = new ObjectInputStream(bais);
chunk = (NinePatchChunk) ois.readObject();
// put back the chunk in the cache
if (chunk != null) {
sChunkCache.put(array, new SoftReference<NinePatchChunk>(chunk));
}
} catch (IOException e) {
Bridge.getLog()
.error(
LayoutLog.TAG_BROKEN,
"Failed to deserialize NinePatchChunk content.",
e,
null /*data*/);
return null;
} catch (ClassNotFoundException e) {
Bridge.getLog()
.error(
LayoutLog.TAG_BROKEN,
"Failed to deserialize NinePatchChunk class.",
e,
null /*data*/);
return null;
} finally {
if (ois != null) {
try {
ois.close();
} catch (IOException ignored) {
}
}
}
}
return chunk;
}
/** Cleans up the scene after an action. */
public void release() {
ReentrantLock lock = Bridge.getLock();
// with the use of finally blocks, it is possible to find ourself calling this
// without a successful call to prepareScene. This test makes sure that unlock() will
// not throw IllegalMonitorStateException.
if (lock.isHeldByCurrentThread()) {
tearDown();
lock.unlock();
}
}
@LayoutlibDelegate
/*package*/ static String formatDateInterval(long address, long fromDate, long toDate) {
DateIntervalFormat_Delegate delegate = sManager.getDelegate((int) address);
if (delegate == null) {
Bridge.getLog()
.error(LayoutLog.TAG_BROKEN, "Unable for find native DateIntervalFormat", null);
return null;
}
DateInterval interval = new DateInterval(fromDate, toDate);
StringBuffer sb = new StringBuffer();
FieldPosition pos = new FieldPosition(0);
delegate.mFormat.format(interval, sb, pos);
return sb.toString();
}
/**
* Sets up the session for rendering.
*
* <p>The counterpart is {@link #tearDown()}.
*/
private void setUp() {
// make sure the Resources object references the context (and other objects) for this
// scene
mContext.initResources();
sCurrentContext = mContext;
// create an InputMethodManager
InputMethodManager.getInstance();
LayoutLog currentLog = mParams.getLog();
Bridge.setLog(currentLog);
mContext.getRenderResources().setFrameworkResourceIdProvider(this);
mContext.getRenderResources().setLogger(currentLog);
}
/**
* Serializes the given chunk.
*
* @return the serialized data for the chunk.
*/
public static byte[] serialize(NinePatchChunk chunk) {
// serialize the chunk to get a byte[]
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
try {
oos = new ObjectOutputStream(baos);
oos.writeObject(chunk);
} catch (IOException e) {
Bridge.getLog().error(null, "Failed to serialize NinePatchChunk.", e, null /*data*/);
return null;
} finally {
if (oos != null) {
try {
oos.close();
} catch (IOException ignored) {
}
}
}
// get the array and add it to the cache
byte[] array = baos.toByteArray();
sChunkCache.put(array, new SoftReference<NinePatchChunk>(chunk));
return array;
}
@Override
public Integer getId(ResourceType resType, String resName) {
return Bridge.getResourceId(resType, resName);
}