1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_LAYER_DIM_H 18#define ANDROID_LAYER_DIM_H 19 20#include <stdint.h> 21#include <sys/types.h> 22 23#include "LayerBase.h" 24#include "LayerBitmap.h" 25 26namespace android { 27 28// --------------------------------------------------------------------------- 29 30class LayerDim : public LayerBaseClient 31{ 32public: 33 static const uint32_t typeInfo; 34 static const char* const typeID; 35 virtual char const* getTypeID() const { return typeID; } 36 virtual uint32_t getTypeInfo() const { return typeInfo; } 37 38 LayerDim(SurfaceFlinger* flinger, DisplayID display, 39 Client* client, int32_t i); 40 virtual ~LayerDim(); 41 42 virtual void onDraw(const Region& clip) const; 43 virtual bool needsBlending() const { return true; } 44 virtual bool isSecure() const { return false; } 45 46 static void initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h); 47 48private: 49 static sp<MemoryDealer> mDimmerDealer; 50 static LayerBitmap mDimmerBitmap; 51}; 52 53// --------------------------------------------------------------------------- 54 55}; // namespace android 56 57#endif // ANDROID_LAYER_DIM_H 58