/*
 * 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 __WVMDRMPLUGIN_API_H__
#define __WVMDRMPLUGIN_API_H__

#include <string>
#include "WVStreamControlAPI.h"

class WVDRMPluginAPI {
 public:
    virtual ~WVDRMPluginAPI() {}

    enum {
        RIGHTS_VALID,
        RIGHTS_INVALID,
        RIGHTS_EXPIRED,
        RIGHTS_NOT_ACQUIRED
    };

    enum {
        PLAYBACK_START,
        PLAYBACK_STOP,
        PLAYBACK_PAUSE,
        PLAYBACK_INVALID
    };

    static WVDRMPluginAPI *create();
    static void destroy(WVDRMPluginAPI *plugin);

    virtual void OpenSession() = 0;
    virtual void CloseSession() = 0;
    virtual bool IsSupportedMediaType(const char *uri) = 0;

    virtual bool AcquireDrmInfo(std::string &assetPath, WVCredentials &credentials,
                                std::string &dsPath,
                                const std::string &assetIdStr, const std::string &systemIdStr,
                                const std::string &keyIdStr,
                                uint32_t *assetId, uint32_t *systemId, uint32_t *keyId) = 0;
    virtual bool ProcessDrmInfo(std::string &assetPath) = 0;
    virtual int CheckRightsStatus(std::string &path) = 0;
    virtual bool GetConstraints(std::string &path, uint32_t *timeSincePlayback, uint32_t *timeRemaining, uint32_t *licenseDuration) = 0;
    virtual bool SetPlaybackStatus(int playbackStatus, off64_t position) = 0;
    virtual bool RemoveRights(std::string &path) = 0;
    virtual bool RemoveAllRights() = 0;
    virtual bool Prepare(char *data, int len) = 0;
    virtual bool Operate(char *in, char *out, int len, char *iv) = 0;

protected:
    // use create factory method, don't construct directly
    WVDRMPluginAPI() {}
};

#endif