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make Looper, Handler, and MessageQueue work properly

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this for example makes Unity apps not steal the main thread,
hanging Gtk.
This commit is contained in:
Mis012
2023-07-25 14:26:29 +02:00
parent 7ac5587fca
commit 08998b0076
15 changed files with 997 additions and 158 deletions
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48
src/api-impl/android/os/Handler.java
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@@ -225,7 +225,7 @@ public class Handler {
*/
public Handler(Looper looper, Callback callback, boolean async) {
mLooper = looper;
mQueue = null /*looper.mQueue*/;
mQueue = looper.mQueue;
mCallback = callback;
mAsynchronous = async;
}
@@ -316,9 +316,7 @@ public class Handler {
* looper processing the message queue is exiting.
*/
public final boolean post(Runnable r) {
// return sendMessageDelayed(getPostMessage(r), 0);
r.run();
return true;
return sendMessageDelayed(getPostMessage(r), 0);
}
/**
@@ -571,29 +569,14 @@ public class Handler {
* occurs then the message will be dropped.
*/
public boolean sendMessageAtTime(Message msg, long uptimeMillis) {
/* MessageQueue queue = mQueue;
if (queue == null) {
RuntimeException e = new RuntimeException(
this + " sendMessageAtTime() called with no mQueue");
Log.w("Looper", e.getMessage(), e);
return false;
}
return enqueueMessage(queue, msg, uptimeMillis);*/
if (mCallback != null) {
// System.out.println("Handler.sendMessageAtTime: directly calling mCallback.handleMessage)");
if (msg.callback != null) {
msg.callback.run();
}
return mCallback.handleMessage(msg);
} else {
// System.out.println("Handler.sendMessageAtTime: not directly calling mCallback.handleMessage - mCallback is null)");
/* do this in this case as well?
if(msg.callback != null) {
msg.callback.run();
}
*/
return true; // false?
MessageQueue queue = mQueue;
if (queue == null) {
RuntimeException e = new RuntimeException(
this + " sendMessageAtTime() called with no mQueue");
Log.w("Looper", e.getMessage(), e);
return false;
}
return enqueueMessage(queue, msg, uptimeMillis);
}
/**
@@ -609,15 +592,14 @@ public class Handler {
* looper processing the message queue is exiting.
*/
public final boolean sendMessageAtFrontOfQueue(Message msg) {
/*MessageQueue queue = mQueue;
MessageQueue queue = mQueue;
if (queue == null) {
RuntimeException e = new RuntimeException(
this + " sendMessageAtTime() called with no mQueue");
Log.w("Looper", e.getMessage(), e);
return false;
RuntimeException e = new RuntimeException(
this + " sendMessageAtTime() called with no mQueue");
Log.w("Looper", e.getMessage(), e);
return false;
}
return enqueueMessage(queue, msg, 0);*/
return true;
return enqueueMessage(queue, msg, 0);
}
private boolean enqueueMessage(MessageQueue queue, Message msg, long uptimeMillis) {