/* * Copyright (C) 2011 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 DATA_URI_SOURCE_H_ #define DATA_URI_SOURCE_H_ #include #include #include #include namespace android { class DataUriSource : public DataSource { public: DataUriSource(const char *uri); virtual status_t initCheck() const { return mInited; } virtual ssize_t readAt(off64_t offset, void *data, size_t size); virtual status_t getSize(off64_t *size) { if (mInited != OK) { return mInited; } *size = mData.size(); return OK; } virtual String8 getUri() { return mDataUri; } virtual String8 getMIMEType() const { return mMimeType; } protected: virtual ~DataUriSource() { // Nothing to delete. } private: const String8 mDataUri; String8 mMimeType; // Use AString because individual bytes may not be valid UTF8 chars. AString mData; status_t mInited; // Disallow copy and assign. DataUriSource(const DataUriSource &); DataUriSource &operator=(const DataUriSource &); }; } // namespace android #endif // DATA_URI_SOURCE_H_