public void removeView(Object viewObject) {
Message msg = getUIHandler().obtainMessage(MSG_REMOVE_VIEW);
AsyncResult result = new AsyncResult(viewObject);
msg.obj = result;
msg.sendToTarget();
result.getResult(); // Wait for it
}
public void setViews(Object viewsObject) {
Message msg = getUIHandler().obtainMessage(MSG_SET_VIEWS);
AsyncResult result = new AsyncResult(viewsObject);
msg.obj = result;
msg.sendToTarget();
result.getResult(); // Wait for it
}
@Override
public boolean handleMessage(Message msg) {
if (msg.what == SET_IMAGE) {
AsyncResult result = (AsyncResult) msg.obj;
getView().setImageBitmap((Bitmap) result.getArg());
result.setResult(null);
}
return false;
}
public void setImage(final Bitmap bitmap) {
if (bitmap != null) {
if (!proxy.getTiContext().isUIThread()) {
Message msg = Message.obtain(handler, SET_IMAGE);
AsyncResult result = new AsyncResult(bitmap);
msg.obj = result;
msg.sendToTarget();
result.getResult();
} else {
getView().setImageBitmap(bitmap);
}
}
}
/**
* Sends a message on blockQueue, and dispatches messages on the current queue while blocking on
* the passed in AsyncResult
*
* @param msg The message to send.
* @param blockQueue The TiMessageQueue to send it to.
* @param asyncResult The AsyncResult to block on.
* @return The value of asyncResult.getResult()
*/
public Object sendBlockingMessage(
Message msg, final TiMessageQueue blockQueue, final AsyncResult asyncResult) {
@SuppressWarnings("serial")
AsyncResult blockingResult =
new AsyncResult(asyncResult.getArg()) {
@Override
public Object getResult() {
int timeout = 0;
try {
// TODO: create a multi-semaphore condition
// here so we don't unnecessarily poll
while (!tryAcquire(timeout, TimeUnit.MILLISECONDS)) {
if (messageQueue.size() == 0) {
timeout = 50;
} else {
dispatchPendingMessages();
}
}
} catch (InterruptedException e) {
Log.e(TAG, "interrupted waiting for async result", e);
dispatchPendingMessages();
}
if (exception != null) {
throw new RuntimeException(exception);
}
return result;
}
@Override
public void setResult(Object result) {
super.setResult(result);
asyncResult.setResult(result);
}
};
blockCount.incrementAndGet();
msg.obj = blockingResult;
blockQueue.sendMessage(msg);
Object o = blockingResult.getResult();
blockCount.decrementAndGet();
dispatchPendingMessages();
return o;
}
@Override
public boolean handleMessage(Message msg) {
switch (msg.what) {
case MSG_ADD_TAB:
{
AsyncResult result = (AsyncResult) msg.obj;
handleAddTab((TabProxy) result.getArg());
result.setResult(null); // signal added
return true;
}
case MSG_REMOVE_TAB:
{
AsyncResult result = (AsyncResult) msg.obj;
handleRemoveTab((TabProxy) result.getArg());
result.setResult(null); // signal added
return true;
}
case MSG_FINISH_OPEN:
{
TiTabActivity activity = (TiTabActivity) msg.obj;
view = new TiUITabGroup(this, activity);
modelListener = view;
handlePostOpen(activity);
return true;
}
default:
{
return super.handleMessage(msg);
}
}
}
@Override
public boolean handleMessage(Message msg) {
if (msg.what == MSG_UPDATE_VIEW) {
getTableView().updateView();
((AsyncResult) msg.obj).setResult(0);
return true;
} else if (msg.what == MSG_SCROLL_TO_INDEX) {
getTableView().scrollToIndex(msg.arg1);
return true;
} else if (msg.what == MSG_SET_DATA) {
AsyncResult result = (AsyncResult) msg.obj;
Object[] data = (Object[]) result.getArg();
handleSetData(data);
result.setResult(0);
return true;
} else if (msg.what == MSG_INSERT_ROW) {
AsyncResult result = (AsyncResult) msg.obj;
if (msg.arg1 == INSERT_ROW_AFTER) {
handleInsertRowAfter(msg.arg2, result.getArg());
} else {
handleInsertRowBefore(msg.arg2, result.getArg());
}
result.setResult(0);
return true;
} else if (msg.what == MSG_APPEND_ROW) {
AsyncResult result = (AsyncResult) msg.obj;
handleAppendRow(result.getArg());
result.setResult(0);
return true;
} else if (msg.what == MSG_DELETE_ROW) {
handleDeleteRow(msg.arg1);
return true;
} else if (msg.what == MSG_SCROLL_TO_TOP) {
getTableView().scrollToTop(msg.arg1);
return true;
}
return super.handleMessage(msg);
}
public boolean handleMessage(Message msg) {
boolean handled = false;
switch (msg.what) {
case MSG_SHOW_PAGER:
getView().showPager();
break;
case MSG_HIDE_PAGER:
getView().hidePager();
handled = true;
break;
case MSG_MOVE_PREV:
inScroll.set(true);
getView().doMovePrevious();
inScroll.set(false);
handled = true;
break;
case MSG_MOVE_NEXT:
inScroll.set(true);
getView().doMoveNext();
inScroll.set(false);
handled = true;
break;
case MSG_SCROLL_TO:
inScroll.set(true);
getView().doScrollToView(msg.obj);
inScroll.set(false);
handled = true;
break;
case MSG_SET_CURRENT:
getView().doSetCurrentPage(msg.obj);
handled = true;
break;
case MSG_SET_VIEWS:
{
AsyncResult holder = (AsyncResult) msg.obj;
Object views = holder.getArg();
getView().setViews(views);
holder.setResult(null); // signal complete.
handled = true;
break;
}
case MSG_ADD_VIEW:
{
AsyncResult holder = (AsyncResult) msg.obj;
Object view = holder.getArg();
if (view instanceof TiViewProxy) {
getView().addView((TiViewProxy) view);
handled = true;
}
holder.setResult(null); // signal complete.
break;
}
case MSG_REMOVE_VIEW:
{
AsyncResult holder = (AsyncResult) msg.obj;
Object view = holder.getArg();
if (view instanceof TiViewProxy) {
getView().removeView((TiViewProxy) view);
handled = true;
}
holder.setResult(null); // signal complete.
break;
}
default:
handled = super.handleMessage(msg);
}
return handled;
}
