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/*
* Copyright (C) 2010 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.
*/
#ifndef ANDROID_UI_RESOURCE_CACHE_H
#define ANDROID_UI_RESOURCE_CACHE_H
#include <SkBitmap.h>
#include <SkiaShader.h>
#include <utils/KeyedVector.h>
namespace android {
namespace uirenderer {
/**
* Type of Resource being cached
*/
enum ResourceType {
kBitmap,
kShader,
};
class ResourceReference {
public:
ResourceReference() { refCount = 0; recycled = false; destroyed = false;}
ResourceReference(ResourceType type) {
refCount = 0; recycled = false; destroyed = false; resourceType = type;
}
int refCount;
bool recycled;
bool destroyed;
ResourceType resourceType;
};
class ResourceCache {
KeyedVector<void *, ResourceReference *>* mCache;
public:
ResourceCache();
~ResourceCache();
void incrementRefcount(SkBitmap* resource);
void incrementRefcount(SkiaShader* resource);
void incrementRefcount(const void* resource, ResourceType resourceType);
void decrementRefcount(void* resource);
void decrementRefcount(SkBitmap* resource);
void decrementRefcount(SkiaShader* resource);
void recycle(void* resource);
void recycle(SkBitmap* resource);
void destructor(SkBitmap* resource);
void destructor(SkiaShader* resource);
private:
void deleteResourceReference(void* resource, ResourceReference* ref);
void incrementRefcount(void* resource, ResourceType resourceType);
void logCache();
};
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_UI_RESOURCE_CACHE_H
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