/include/drm/DrmMetadata.h
http://github.com/CyanogenMod/android_frameworks_base · C++ Header · 111 lines · 65 code · 19 blank · 27 comment · 3 complexity · 8feabb7a204a8d7cfb93351d0e7b6204 MD5 · raw file
- /*
- * 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 __DRM_METADATA_H__
- #define __DRM_METADATA_H__
- #include "drm_framework_common.h"
- namespace android {
- /**
- * This is an utility class which contains the constraints information.
- *
- * As a result of DrmManagerClient::getMetadata(const String8*)
- * an instance of DrmMetadata would be returned.
- */
- class DrmMetadata {
- public:
- /**
- * Iterator for key
- */
- class KeyIterator {
- friend class DrmMetadata;
- private:
- KeyIterator(DrmMetadata* drmMetadata) : mDrmMetadata(drmMetadata), mIndex(0) {}
- public:
- KeyIterator(const KeyIterator& keyIterator);
- KeyIterator& operator=(const KeyIterator& keyIterator);
- virtual ~KeyIterator() {}
- public:
- bool hasNext();
- const String8& next();
- private:
- DrmMetadata* mDrmMetadata;
- unsigned int mIndex;
- };
- /**
- * Iterator for constraints
- */
- class Iterator {
- friend class DrmMetadata;
- private:
- Iterator(DrmMetadata* drmMetadata) : mDrmMetadata(drmMetadata), mIndex(0) {}
- public:
- Iterator(const Iterator& iterator);
- Iterator& operator=(const Iterator& iterator);
- virtual ~Iterator() {}
- public:
- bool hasNext();
- String8 next();
- private:
- DrmMetadata* mDrmMetadata;
- unsigned int mIndex;
- };
- public:
- DrmMetadata() {}
- virtual ~DrmMetadata() {
- DrmMetadata::KeyIterator keyIt = this->keyIterator();
- while (keyIt.hasNext()) {
- String8 key = keyIt.next();
- const char* value = this->getAsByteArray(&key);
- if (NULL != value) {
- delete[] value;
- value = NULL;
- }
- }
- mMetadataMap.clear();
- }
- public:
- int getCount(void) const;
- status_t put(const String8* key, const char* value);
- String8 get(const String8& key) const;
- const char* getAsByteArray(const String8* key) const;
- KeyIterator keyIterator();
- Iterator iterator();
- private:
- const char* getValue(const String8* key) const;
- private:
- typedef KeyedVector<String8, const char*> DrmMetadataMap;
- DrmMetadataMap mMetadataMap;
- };
- };
- #endif /* __DRM_METADATA_H__ */