libnativedisplay: Introduce SurfaceTextureListener
This is a tiny refactoting needed for the next CL.
Bug: 281695725
Test: manual using a test app
Change-Id: I0635325717073b528dadb712a843aabb4efddd3b
diff --git a/libs/nativedisplay/surfacetexture/SurfaceTexture.cpp b/libs/nativedisplay/surfacetexture/SurfaceTexture.cpp
index 9f610e1..11482ec 100644
--- a/libs/nativedisplay/surfacetexture/SurfaceTexture.cpp
+++ b/libs/nativedisplay/surfacetexture/SurfaceTexture.cpp
@@ -23,6 +23,8 @@
#include <system/window.h>
#include <utils/Trace.h>
+#include <com_android_graphics_libgui_flags.h>
+
namespace android {
// Macros for including the SurfaceTexture name in log messages
@@ -491,4 +493,26 @@
return buffer;
}
+void SurfaceTexture::setSurfaceTextureListener(
+ const sp<android::SurfaceTexture::SurfaceTextureListener>& listener) {
+ SFT_LOGV("setSurfaceTextureListener");
+
+ Mutex::Autolock _l(mMutex);
+ mSurfaceTextureListener = listener;
+ if (mSurfaceTextureListener != nullptr) {
+ mFrameAvailableListenerProxy =
+ sp<FrameAvailableListenerProxy>::make(mSurfaceTextureListener);
+ setFrameAvailableListener(mFrameAvailableListenerProxy);
+ } else {
+ mFrameAvailableListenerProxy.clear();
+ }
+}
+
+void SurfaceTexture::FrameAvailableListenerProxy::onFrameAvailable(const BufferItem& item) {
+ const auto listener = mSurfaceTextureListener.promote();
+ if (listener) {
+ listener->onFrameAvailable(item);
+ }
+}
+
} // namespace android