Add missing IProducerListener callbacks to BLASTBufferQueue

Add IProducerListener::onBufferDetached and
IProducerListener::onBufferAttached to BLASTBufferQueue.

Bug: 353202582
Flag: com.android.graphics.libgui.flags.bq_consumer_attach_callback
Test: build
(cherry picked from https://android-review.googlesource.com/q/commit:7c935090e839ec3391c6f94d46a2367e59a46056)
Merged-In: I53f25354804bd777ce20410edebe8e7d6a213061
Change-Id: I53f25354804bd777ce20410edebe8e7d6a213061

Author: Sungtak Lee

libs/gui/BLASTBufferQueue.cpp

@@ -1096,6 +1096,17 @@ class AsyncProducerListener : public BnProducerListener {
         AsyncWorker::getInstance().post(
                 [listener = mListener, slots = slots]() { listener->onBuffersDiscarded(slots); });
     }
+
+    void onBufferDetached(int slot) override {
+        AsyncWorker::getInstance().post(
+                [listener = mListener, slot = slot]() { listener->onBufferDetached(slot); });
+    }
+
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    void onBufferAttached() override {
+        AsyncWorker::getInstance().post([listener = mListener]() { listener->onBufferAttached(); });
+    }
+#endif
 };
 
 // Extends the BufferQueueProducer to create a wrapper around the listener so the listener calls

libs/gui/IProducerListener.cpp

@@ -184,4 +184,10 @@ bool BnProducerListener::needsReleaseNotify() {
 void BnProducerListener::onBuffersDiscarded(const std::vector<int32_t>& /*discardedSlots*/) {
 }
 
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+bool BnProducerListener::needsAttachNotify() {
+    return true;
+}
+#endif
+
 } // namespace android

libs/gui/include/gui/IProducerListener.h

@@ -90,6 +90,9 @@ class BnProducerListener : public BnInterface<IProducerListener>
             Parcel* reply, uint32_t flags = 0);
     virtual bool needsReleaseNotify();
     virtual void onBuffersDiscarded(const std::vector<int32_t>& slots);
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    virtual bool needsAttachNotify();
+#endif
 };
 
 #else
@@ -103,6 +106,9 @@ class StubProducerListener : public BnProducerListener {
     virtual ~StubProducerListener();
     virtual void onBufferReleased() {}
     virtual bool needsReleaseNotify() { return false; }
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    virtual bool needsAttachNotify() { return false; }
+#endif
 };
 
 } // namespace android