src/apps/mediaplayer/playlist/UrlPlaylistItem.cpp

   1 /*
   2  * Copyright 2016, Dario Casalinuovo
   3  * All rights reserved. Distributed under the terms of the MIT license.
   4  */
   5
   6
   7 #include "UrlPlaylistItem.h"
   8
   9 #include <MediaFile.h>
  10 #include <MediaTrack.h>
  11
  12 #include "MediaFileTrackSupplier.h"
  13
  14
  15 UrlPlaylistItem::UrlPlaylistItem(BUrl url)
  16         :
  17         fUrl(url),
  18         fDuration(-1)
  19 {
  20 }
  21
  22
  23 UrlPlaylistItem::UrlPlaylistItem(const UrlPlaylistItem& item)
  24 {
  25         fUrl = BUrl(item.Url());
  26 }
  27
  28
  29 UrlPlaylistItem::UrlPlaylistItem(const BMessage* archive)
  30 {
  31         const char* url = NULL;
  32         if (archive->FindString("mediaplayer:url", &url) == B_OK)
  33                 fUrl = BUrl(url);
  34 }
  35
  36
  37 UrlPlaylistItem::~UrlPlaylistItem()
  38 {
  39 }
  40
  41
  42 PlaylistItem*
  43 UrlPlaylistItem::Clone() const
  44 {
  45         return new UrlPlaylistItem(fUrl);
  46 }
  47
  48
  49 BArchivable*
  50 UrlPlaylistItem::Instantiate(BMessage* archive)
  51 {
  52         if (validate_instantiation(archive, "UrlPlaylistItem"))
  53                 return new (std::nothrow) UrlPlaylistItem(archive);
  54
  55         return NULL;
  56 }
  57
  58
  59 status_t
  60 UrlPlaylistItem::Archive(BMessage* into, bool deep) const
  61 {
  62         return into->AddString("mediaplayer:url", fUrl.UrlString());
  63 }
  64
  65
  66 status_t
  67 UrlPlaylistItem::SetAttribute(const Attribute& attribute, const BString& string)
  68 {
  69         return B_ERROR;
  70 }
  71
  72
  73 status_t
  74 UrlPlaylistItem::GetAttribute(const Attribute& attribute, BString& string) const
  75 {
  76         if (attribute == ATTR_STRING_NAME) {
  77                 string = fUrl.UrlString();
  78                 return B_OK;
  79         }
  80
  81         return B_NOT_SUPPORTED;
  82 }
  83
  84
  85 status_t
  86 UrlPlaylistItem::SetAttribute(const Attribute& attribute, const int32& value)
  87 {
  88         return B_NOT_SUPPORTED;
  89 }
  90
  91
  92 status_t
  93 UrlPlaylistItem::GetAttribute(const Attribute& attribute, int32& value) const
  94 {
  95         return B_NOT_SUPPORTED;
  96 }
  97
  98
  99 status_t
 100 UrlPlaylistItem::SetAttribute(const Attribute& attribute, const int64& value)
 101 {
 102         return B_NOT_SUPPORTED;
 103 }
 104
 105
 106 status_t
 107 UrlPlaylistItem::GetAttribute(const Attribute& attribute, int64& value) const
 108 {
 109         if (attribute == ATTR_INT64_DURATION && fDuration >= 0) {
 110                 value = fDuration;
 111                 return B_OK;
 112         }
 113         return B_NOT_SUPPORTED;
 114 }
 115
 116
 117 BString
 118 UrlPlaylistItem::LocationURI() const
 119 {
 120         return fUrl.UrlString();
 121 }
 122
 123
 124 status_t
 125 UrlPlaylistItem::GetIcon(BBitmap* bitmap, icon_size iconSize) const
 126 {
 127         return B_NOT_SUPPORTED;
 128 }
 129
 130
 131 status_t
 132 UrlPlaylistItem::MoveIntoTrash()
 133 {
 134         return B_NOT_SUPPORTED;
 135 }
 136
 137
 138 status_t
 139 UrlPlaylistItem::RestoreFromTrash()
 140 {
 141         return B_NOT_SUPPORTED;
 142 }
 143
 144
 145 bigtime_t
 146 UrlPlaylistItem::_CalculateDuration()
 147 {
 148         if (fDuration < 0) {
 149                 BMediaFile mediaFile(fUrl);
 150
 151                 if (mediaFile.InitCheck() != B_OK || mediaFile.CountTracks() < 1)
 152                         return 0;
 153                 fDuration = mediaFile.TrackAt(0)->Duration();
 154         }
 155         return fDuration;
 156 }
 157
 158
 159 TrackSupplier*
 160 UrlPlaylistItem::_CreateTrackSupplier() const
 161 {
 162         MediaFileTrackSupplier* supplier
 163                 = new(std::nothrow) MediaFileTrackSupplier();
 164         if (supplier == NULL)
 165                 return NULL;
 166
 167         BMediaFile* mediaFile = new(std::nothrow) BMediaFile(fUrl);
 168         if (mediaFile == NULL || supplier->AddMediaFile(mediaFile) != B_OK) {
 169                 delete mediaFile;
 170                 delete supplier;
 171                 return NULL;
 172         }
 173
 174         return supplier;
 175 }
 176
 177
 178 BUrl
 179 UrlPlaylistItem::Url() const
 180 {
 181         return fUrl;
 182 }