private void runOnIcThread(Handler icHandler, final Runnable runnable) {
if (DEBUG) {
ThreadUtils.assertOnUiThread();
Log.d(LOGTAG, "runOnIcThread() on thread " + icHandler.getLooper().getThread().getName());
}
Runnable runner =
new Runnable() {
@Override
public void run() {
try {
Runnable queuedRunnable = mIcRunnableSync.take();
if (DEBUG && queuedRunnable != runnable) {
throw new IllegalThreadStateException("sync error");
}
queuedRunnable.run();
} catch (InterruptedException e) {
}
}
};
try {
// if we are not inside waitForUiThread(), runner will call the runnable
icHandler.post(runner);
// runnable will be called by either runner from above or waitForUiThread()
mIcRunnableSync.put(runnable);
} catch (InterruptedException e) {
} finally {
// if waitForUiThread() already called runnable, runner should not call it again
icHandler.removeCallbacks(runner);
}
}
public void endWaitForUiThread() {
if (DEBUG) {
ThreadUtils.assertOnUiThread();
Log.d(LOGTAG, "endWaitForUiThread()");
}
try {
mIcRunnableSync.put(mIcSignalRunnable);
} catch (InterruptedException e) {
}
}
private boolean processKey(int keyCode, KeyEvent event, boolean down) {
if (GamepadUtils.isSonyXperiaGamepadKeyEvent(event)) {
event = GamepadUtils.translateSonyXperiaGamepadKeys(keyCode, event);
keyCode = event.getKeyCode();
}
if (keyCode > KeyEvent.getMaxKeyCode() || !shouldProcessKey(keyCode, event)) {
return false;
}
event = translateKey(keyCode, event);
keyCode = event.getKeyCode();
View view = getView();
if (view == null) {
InputThreadUtils.sInstance.sendEventFromUiThread(
ThreadUtils.getUiHandler(), mEditableClient, GoannaEvent.createKeyEvent(event, 0));
return true;
}
// KeyListener returns true if it handled the event for us. KeyListener is only
// safe to use on the UI thread; therefore we need to pass a proxy Editable to it
KeyListener keyListener = TextKeyListener.getInstance();
Handler uiHandler = view.getRootView().getHandler();
Editable uiEditable =
InputThreadUtils.sInstance.getEditableForUiThread(uiHandler, mEditableClient);
boolean skip = shouldSkipKeyListener(keyCode, event);
if (down) {
mEditableClient.setSuppressKeyUp(true);
}
if (skip
|| (down && !keyListener.onKeyDown(view, uiEditable, keyCode, event))
|| (!down && !keyListener.onKeyUp(view, uiEditable, keyCode, event))) {
InputThreadUtils.sInstance.sendEventFromUiThread(
uiHandler,
mEditableClient,
GoannaEvent.createKeyEvent(event, TextKeyListener.getMetaState(uiEditable)));
if (skip && down) {
// Usually, the down key listener call above adjusts meta states for us.
// However, if we skip that call above, we have to manually adjust meta
// states so the meta states remain consistent
TextKeyListener.adjustMetaAfterKeypress(uiEditable);
}
}
if (down) {
mEditableClient.setSuppressKeyUp(false);
}
return true;
}
public void waitForUiThread(Handler icHandler) {
if (DEBUG) {
ThreadUtils.assertOnThread(icHandler.getLooper().getThread(), AssertBehavior.THROW);
Log.d(
LOGTAG,
"waitForUiThread() blocking on thread " + icHandler.getLooper().getThread().getName());
}
try {
Runnable runnable = null;
do {
runnable = mIcRunnableSync.take();
runnable.run();
} while (runnable != mIcSignalRunnable);
} catch (InterruptedException e) {
}
}
/**
* This is a hack.
*
* <p>Startup results in us writing prefs -- we fetch the Distribution, which caches its state.
* Our tests try to wipe those prefs, but apparently sometimes race with startup, which leads to
* us not getting one of our expected messages. The test fails.
*
* <p>This hack waits for any existing background tasks -- such as the one that writes prefs -- to
* finish before we begin the test.
*/
private void waitForBackgroundHappiness() {
final Object signal = new Object();
final Runnable done =
new Runnable() {
@Override
public void run() {
synchronized (signal) {
signal.notify();
}
}
};
synchronized (signal) {
ThreadUtils.postToBackgroundThread(done);
try {
signal.wait();
} catch (InterruptedException e) {
mAsserter.ok(false, "InterruptedException waiting on background thread.", e.toString());
}
}
mAsserter.dumpLog("Background task completed. Proceeding.");
}
public Editable getEditableForUiThread(
final Handler uiHandler, final GoannaEditableClient client) {
if (DEBUG) {
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
}
final Handler icHandler = client.getInputConnectionHandler();
if (icHandler.getLooper() == uiHandler.getLooper()) {
// IC thread is UI thread; safe to use Editable directly
return client.getEditable();
}
// IC thread is not UI thread; we need to return a proxy Editable in order
// to safely use the Editable from the UI thread
if (mUiEditable != null) {
return mUiEditable;
}
final InvocationHandler invokeEditable =
new InvocationHandler() {
@Override
public Object invoke(final Object proxy, final Method method, final Object[] args)
throws Throwable {
if (DEBUG) {
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
Log.d(LOGTAG, "UiEditable." + method.getName() + "() blocking");
}
synchronized (icHandler) {
// Now we are on UI thread
mUiEditableReturn = null;
mUiEditableException = null;
// Post a Runnable that calls the real Editable and saves any
// result/exception. Then wait on the Runnable to finish
runOnIcThread(
icHandler,
new Runnable() {
@Override
public void run() {
synchronized (icHandler) {
try {
mUiEditableReturn = method.invoke(client.getEditable(), args);
} catch (Exception e) {
mUiEditableException = e;
}
if (DEBUG) {
Log.d(LOGTAG, "UiEditable." + method.getName() + "() returning");
}
icHandler.notify();
}
}
});
// let InterruptedException propagate
icHandler.wait();
if (mUiEditableException != null) {
throw mUiEditableException;
}
return mUiEditableReturn;
}
}
};
mUiEditable =
(Editable)
Proxy.newProxyInstance(
Editable.class.getClassLoader(), new Class<?>[] {Editable.class}, invokeEditable);
return mUiEditable;
}
