SF: Break out NativeWindowSurface
I should perhaps have done this originally.
Separating it out like this is better for the upcoming factory change.
Test: atest libsurfaceflinger_unittest
Bug: None
Change-Id: Ia0d87c55cab9b315886eba6320b5e345632e4231
diff --git a/services/surfaceflinger/NativeWindowSurface.h b/services/surfaceflinger/NativeWindowSurface.h
new file mode 100644
index 0000000..f34a45a
--- /dev/null
+++ b/services/surfaceflinger/NativeWindowSurface.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <utils/StrongPointer.h>
+
+struct ANativeWindow;
+
+namespace android {
+
+class IGraphicBufferProducer;
+
+namespace surfaceflinger {
+
+// A thin interface to abstract creating instances of Surface (gui/Surface.h) to
+// use as a NativeWindow.
+class NativeWindowSurface {
+public:
+ virtual ~NativeWindowSurface();
+
+ // Gets the NativeWindow to use for the surface.
+ virtual sp<ANativeWindow> getNativeWindow() const = 0;
+
+ // Indicates that the surface should allocate its buffers now.
+ virtual void preallocateBuffers() = 0;
+};
+
+namespace impl {
+
+std::unique_ptr<NativeWindowSurface> createNativeWindowSurface(const sp<IGraphicBufferProducer>&);
+
+} // namespace impl
+} // namespace surfaceflinger
+} // namespace android