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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_INFO_REQUEST_H__
#define __DRM_INFO_REQUEST_H__
#include "drm_framework_common.h"
namespace android {
/**
* This is an utility class used to pass required parameters to get
* the necessary information to communicate with online DRM server
*
* An instance of this class is passed to
* DrmManagerClient::acquireDrmInfo(const DrmInfoRequest*) to get the
* instance of DrmInfo.
*
*/
class DrmInfoRequest {
public:
// Changes in following constants should be in sync with DrmInfoRequest.java
static const int TYPE_REGISTRATION_INFO = 1;
static const int TYPE_UNREGISTRATION_INFO = 2;
static const int TYPE_RIGHTS_ACQUISITION_INFO = 3;
static const int TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO = 4;
/**
* Key to pass the unique id for the account or the user
*/
static const String8 ACCOUNT_ID;
/**
* Key to pass the subscription id
*/
static const String8 SUBSCRIPTION_ID;
public:
/**
* Constructor for DrmInfoRequest
*
* @param[in] infoType Type of information
* @param[in] mimeType MIME type
*/
DrmInfoRequest(int infoType, const String8& mimeType);
/**
* Destructor for DrmInfoRequest
*/
virtual ~DrmInfoRequest() {}
public:
/**
* Iterator for key
*/
class KeyIterator {
friend class DrmInfoRequest;
private:
KeyIterator(const DrmInfoRequest* drmInfoRequest)
: mDrmInfoRequest(const_cast <DrmInfoRequest*> (drmInfoRequest)), mIndex(0) {}
public:
KeyIterator(const KeyIterator& keyIterator);
KeyIterator& operator=(const KeyIterator& keyIterator);
virtual ~KeyIterator() {}
public:
bool hasNext();
const String8& next();
private:
DrmInfoRequest* mDrmInfoRequest;
unsigned int mIndex;
};
/**
* Iterator
*/
class Iterator {
friend class DrmInfoRequest;
private:
Iterator(const DrmInfoRequest* drmInfoRequest)
: mDrmInfoRequest(const_cast <DrmInfoRequest*> (drmInfoRequest)), mIndex(0) {}
public:
Iterator(const Iterator& iterator);
Iterator& operator=(const Iterator& iterator);
virtual ~Iterator() {}
public:
bool hasNext();
String8& next();
private:
DrmInfoRequest* mDrmInfoRequest;
unsigned int mIndex;
};
public:
/**
* Returns information type associated with this instance
*
* @return Information type
*/
int getInfoType(void) const;
/**
* Returns MIME type associated with this instance
*
* @return MIME type
*/
String8 getMimeType(void) const;
/**
* Returns the number of entries in DrmRequestInfoMap
*
* @return Number of entries
*/
int getCount(void) const;
/**
* Adds optional information as <key, value> pair to this instance
*
* @param[in] key Key to add
* @param[in] value Value to add
* @return Returns the error code
*/
status_t put(const String8& key, const String8& value);
/**
* Retrieves the value of given key
*
* @param key Key whose value to be retrieved
* @return The value
*/
String8 get(const String8& key) const;
/**
* Returns KeyIterator object to walk through the keys associated with this instance
*
* @return KeyIterator object
*/
KeyIterator keyIterator() const;
/**
* Returns Iterator object to walk through the values associated with this instance
*
* @return Iterator object
*/
Iterator iterator() const;
private:
int mInfoType;
String8 mMimeType;
typedef KeyedVector<String8, String8> DrmRequestInfoMap;
DrmRequestInfoMap mRequestInformationMap;
};
};
#endif /* __DRM_INFO_REQUEST_H__ */
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