/** Changes the bridge mode. */
public void setBridgeMode(int value) {
if (value < 0 || value >= registeredListeners.length) {
Log.d(LOG_TAG, "Invalid NativeToJsBridgeMode: " + value);
} else {
if (value != activeListenerIndex) {
Log.d(LOG_TAG, "Set native->JS mode to " + value);
synchronized (this) {
activeListenerIndex = value;
BridgeMode activeListener = registeredListeners[value];
if (!paused && !queue.isEmpty() && activeListener != null) {
activeListener.onNativeToJsMessageAvailable();
}
}
}
}
}
private void enqueueMessage(JsMessage message) {
synchronized (this) {
if (activeBridgeMode == null) {
Log.d(LOG_TAG, "Dropping Native->JS message due to disabled bridge");
return;
}
queue.add(message);
if (!paused) {
activeBridgeMode.onNativeToJsMessageAvailable();
}
}
}
/** Changes the bridge mode. */
public void setBridgeMode(int value) {
if (value < -1 || value >= registeredListeners.length) {
Log.d(LOG_TAG, "Invalid NativeToJsBridgeMode: " + value);
} else {
BridgeMode newMode = value < 0 ? null : registeredListeners[value];
if (newMode != activeBridgeMode) {
Log.d(
LOG_TAG,
"Set native->JS mode to "
+ (newMode == null ? "null" : newMode.getClass().getSimpleName()));
synchronized (this) {
activeBridgeMode = newMode;
if (newMode != null) {
newMode.reset();
if (!paused && !queue.isEmpty()) {
newMode.onNativeToJsMessageAvailable();
}
}
}
}
}
}
public void setPaused(boolean value) {
if (paused && value) {
// This should never happen. If a use-case for it comes up, we should
// change pause to be a counter.
Log.e(LOG_TAG, "nested call to setPaused detected.", new Throwable());
}
paused = value;
if (!value) {
synchronized (this) {
if (!queue.isEmpty() && activeBridgeMode != null) {
activeBridgeMode.onNativeToJsMessageAvailable();
}
}
}
}
/**
* Combines and returns queued messages combined into a single string. Combines as many messages
* as possible, while staying under MAX_PAYLOAD_SIZE. Returns null if the queue is empty.
*/
public String popAndEncode(boolean fromOnlineEvent) {
synchronized (this) {
if (activeBridgeMode == null) {
return null;
}
activeBridgeMode.notifyOfFlush(fromOnlineEvent);
if (queue.isEmpty()) {
return null;
}
int totalPayloadLen = 0;
int numMessagesToSend = 0;
for (JsMessage message : queue) {
int messageSize = calculatePackedMessageLength(message);
if (numMessagesToSend > 0
&& totalPayloadLen + messageSize > MAX_PAYLOAD_SIZE
&& MAX_PAYLOAD_SIZE > 0) {
break;
}
totalPayloadLen += messageSize;
numMessagesToSend += 1;
}
StringBuilder sb = new StringBuilder(totalPayloadLen);
for (int i = 0; i < numMessagesToSend; ++i) {
JsMessage message = queue.removeFirst();
packMessage(message, sb);
}
if (!queue.isEmpty()) {
// Attach a char to indicate that there are more messages pending.
sb.append('*');
}
String ret = sb.toString();
return ret;
}
}
