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path: root/drm/libdrmframework/include/DrmManagerService.h
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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 __DRM_MANAGER_SERVICE_H__
#define __DRM_MANAGER_SERVICE_H__

#include <utils/RefBase.h>
#include <utils/KeyedVector.h>
#include <binder/IInterface.h>
#include <binder/Parcel.h>
#include "IDrmManagerService.h"
#include "IDrmServiceListener.h"

namespace android {

class DrmManager;
class String8;
class Mutex;

/**
 * This is the implementation class for DRM manager service. This delegates
 * the responsibility to DrmManager.
 *
 * The instance of this class is created while starting the DRM manager service.
 *
 */
class DrmManagerService : public BnDrmManagerService {
public:
    static void instantiate();

private:
    DrmManagerService();
    virtual ~DrmManagerService();

public:
    int addUniqueId(int uniqueId);

    void removeUniqueId(int uniqueId);

    void addClient(int uniqueId);

    void removeClient(int uniqueId);

    status_t setDrmServiceListener(
            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener);

    status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);

    DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);

    DrmMetadata* getMetadata(int uniqueId, const String8* path);

    bool canHandle(int uniqueId, const String8& path, const String8& mimeType);

    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);

    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);

    status_t saveRights(int uniqueId, const DrmRights& drmRights,
            const String8& rightsPath, const String8& contentPath);

    String8 getOriginalMimeType(int uniqueId, const String8& path);

    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);

    int checkRightsStatus(int uniqueId, const String8& path,int action);

    status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);

    status_t setPlaybackStatus(
            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);

    bool validateAction(int uniqueId, const String8& path,
            int action, const ActionDescription& description);

    status_t removeRights(int uniqueId, const String8& path);

    status_t removeAllRights(int uniqueId);

    int openConvertSession(int uniqueId, const String8& mimeType);

    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);

    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);

    status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);

    DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);

    DecryptHandle* openDecryptSession(int uniqueId, const char* uri);

    status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);

    status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
            int decryptUnitId, const DrmBuffer* headerInfo);

    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
            const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV);

    status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);

    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
            void* buffer, ssize_t numBytes, off64_t offset);

private:
    DrmManager* mDrmManager;
};

};

#endif /* __DRM_MANAGER_SERVICE_H__ */