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/*
* Copyright (C) 2006 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 UTILS_DEFINED
#define UTILS_DEFINED
#include "SkStream.h"
#include "android_util_Binder.h"
#include <jni.h>
#include <utils/Asset.h>
namespace android {
class AssetStreamAdaptor : public SkStream {
public:
AssetStreamAdaptor(Asset* a) : fAsset(a) {}
virtual bool rewind();
virtual size_t read(void* buffer, size_t size);
private:
Asset* fAsset;
};
/** Restore the file descriptor's offset in our destructor
*/
class AutoFDSeek {
public:
AutoFDSeek(int fd) : fFD(fd) {
fCurr = ::lseek(fd, 0, SEEK_CUR);
}
~AutoFDSeek() {
if (fCurr >= 0) {
::lseek(fFD, fCurr, SEEK_SET);
}
}
private:
int fFD;
off_t fCurr;
};
jobject nullObjectReturn(const char msg[]);
}; // namespace android
#endif
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