SurfaceFlinger: Add "Abstract" Layer type.
Add an Abstract Layer type which exists only to be a parent. We
will use this to more cleanly represent the various hierarchy Layers
from the WM and for an upcoming screenshot rework.
Bug: 72760590
Test: Existing tests pass
Change-Id: Icd19ab0a467585660a95ae37b9c5dd4b8106da9d
diff --git a/services/surfaceflinger/ContainerLayer.h b/services/surfaceflinger/ContainerLayer.h
new file mode 100644
index 0000000..808ae33
--- /dev/null
+++ b/services/surfaceflinger/ContainerLayer.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 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 <sys/types.h>
+
+#include <cstdint>
+
+#include "Layer.h"
+
+namespace android {
+
+class AbstractLayer : public Layer {
+public:
+ AbstractLayer(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name,
+ uint32_t w, uint32_t h, uint32_t flags);
+ virtual ~AbstractLayer() = default;
+
+ const char* getTypeId() const override { return "AbstractLayer"; }
+ void onDraw(const RenderArea& renderArea, const Region& clip,
+ bool useIdentityTransform) const override;
+ bool isVisible() const override;
+
+ void setPerFrameData(const sp<const DisplayDevice>& displayDevice) override;
+};
+
+} // namespace android