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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_SUPPORT_INFO_H__
#define __DRM_SUPPORT_INFO_H__
#include "drm_framework_common.h"
namespace android {
/**
* This is an utility class which wraps the capability of each plug-in,
* such as mimetype's and file suffixes it could handle.
*
* Plug-in developer could return the capability of the plugin by passing
* DrmSupportInfo instance.
*
*/
class DrmSupportInfo {
public:
/**
* Iterator for mMimeTypeVector
*/
class MimeTypeIterator {
friend class DrmSupportInfo;
private:
MimeTypeIterator(DrmSupportInfo* drmSupportInfo)
: mDrmSupportInfo(drmSupportInfo), mIndex(0) {}
public:
MimeTypeIterator(const MimeTypeIterator& iterator);
MimeTypeIterator& operator=(const MimeTypeIterator& iterator);
virtual ~MimeTypeIterator() {}
public:
bool hasNext();
String8& next();
private:
DrmSupportInfo* mDrmSupportInfo;
unsigned int mIndex;
};
/**
* Iterator for mFileSuffixVector
*/
class FileSuffixIterator {
friend class DrmSupportInfo;
private:
FileSuffixIterator(DrmSupportInfo* drmSupportInfo)
: mDrmSupportInfo(drmSupportInfo), mIndex(0) {}
public:
FileSuffixIterator(const FileSuffixIterator& iterator);
FileSuffixIterator& operator=(const FileSuffixIterator& iterator);
virtual ~FileSuffixIterator() {}
public:
bool hasNext();
String8& next();
private:
DrmSupportInfo* mDrmSupportInfo;
unsigned int mIndex;
};
public:
/**
* Constructor for DrmSupportInfo
*/
DrmSupportInfo();
/**
* Copy constructor for DrmSupportInfo
*/
DrmSupportInfo(const DrmSupportInfo& drmSupportInfo);
/**
* Destructor for DrmSupportInfo
*/
virtual ~DrmSupportInfo() {}
DrmSupportInfo& operator=(const DrmSupportInfo& drmSupportInfo);
bool operator<(const DrmSupportInfo& drmSupportInfo) const;
bool operator==(const DrmSupportInfo& drmSupportInfo) const;
/**
* Returns FileSuffixIterator object to walk through file suffix values
* associated with this instance
*
* @return FileSuffixIterator object
*/
FileSuffixIterator getFileSuffixIterator();
/**
* Returns MimeTypeIterator object to walk through mimetype values
* associated with this instance
*
* @return MimeTypeIterator object
*/
MimeTypeIterator getMimeTypeIterator();
public:
/**
* Returns the number of mimetypes supported.
*
* @return Number of mimetypes supported
*/
int getMimeTypeCount(void) const;
/**
* Returns the number of file types supported.
*
* @return Number of file types supported
*/
int getFileSuffixCount(void) const;
/**
* Adds the mimetype to the list of supported mimetypes
*
* @param[in] mimeType mimetype to be added
* @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
*/
status_t addMimeType(const String8& mimeType);
/**
* Adds the filesuffix to the list of supported file types
*
* @param[in] filesuffix file suffix to be added
* @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
*/
status_t addFileSuffix(const String8& fileSuffix);
/**
* Set the unique description about the plugin
*
* @param[in] description Unique description
* @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
*/
status_t setDescription(const String8& description);
/**
* Returns the unique description associated with the plugin
*
* @return Unique description
*/
String8 getDescription() const;
/**
* Returns whether given mimetype is supported or not
*
* @param[in] mimeType MIME type
* @return
* true - if mime-type is supported
* false - if mime-type is not supported
*/
bool isSupportedMimeType(const String8& mimeType) const;
/**
* Returns whether given file type is supported or not
*
* @param[in] fileType File type
* @return
* true if file type is supported
* false if file type is not supported
*/
bool isSupportedFileSuffix(const String8& fileType) const;
private:
Vector<String8> mMimeTypeVector;
Vector<String8> mFileSuffixVector;
String8 mDescription;
};
};
#endif /* __DRM_SUPPORT_INFO_H__ */
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