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595 lines
17 KiB
HTML
595 lines
17 KiB
HTML
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<title>SDWebImageDownloader Class Reference</title>
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<div id="library" class="hideInXcode">
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<h1><a id="libraryTitle" href="../index.html">SDWebImage 3.2 </a></h1>
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<a id="developerHome" href="../index.html">Olivier Poitrey</a>
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<div id="title" role="banner">
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<h1 class="hideInXcode">SDWebImageDownloader Class Reference</h1>
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<button aria-label="Show Table of Contents" role="checkbox" class="open" id="table_of_contents"><span class="disclosure"></span>Table of Contents</button>
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<option value="top">Jump To…</option>
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<option value="overview">Overview</option>
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<option value="tasks">Tasks</option>
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<option value="properties">Properties</option>
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<option value="//api/name/maxConcurrentDownloads"> maxConcurrentDownloads</option>
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<option value="//api/name/queueMode"> queueMode</option>
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<option value="class_methods">Class Methods</option>
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<option value="//api/name/sharedDownloader"> + sharedDownloader</option>
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<option value="instance_methods">Instance Methods</option>
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<option value="//api/name/downloadImageWithURL:options:progress:completed:"> - downloadImageWithURL:options:progress:completed:</option>
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<option value="//api/name/setValue:forHTTPHeaderField:"> - setValue:forHTTPHeaderField:</option>
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<option value="//api/name/valueForHTTPHeaderField:"> - valueForHTTPHeaderField:</option>
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<li role="treeitem"><span class="nodisclosure"></span><span class="sectionName"><a href="#overview">Overview</a></span></li>
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<li role="treeitem" id="task_treeitem"><span class="nodisclosure"></span><span class="sectionName"><a href="#tasks">Tasks</a></span><ul>
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<li role="treeitem" class="children"><span class="disclosure"></span><span class="sectionName"><a href="#properties">Properties</a></span><ul>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/maxConcurrentDownloads">maxConcurrentDownloads</a></span></li>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/queueMode">queueMode</a></span></li>
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</ul></li>
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<li role="treeitem" class="children"><span class="disclosure"></span><span class="sectionName"><a href="#class_methods">Class Methods</a></span><ul>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/sharedDownloader">sharedDownloader</a></span></li>
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</ul></li>
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<li role="treeitem" class="children"><span class="disclosure"></span><span class="sectionName"><a href="#instance_methods">Instance Methods</a></span><ul>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/downloadImageWithURL:options:progress:completed:">downloadImageWithURL:options:progress:completed:</a></span></li>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/setValue:forHTTPHeaderField:">setValue:forHTTPHeaderField:</a></span></li>
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<li><span class="nodisclosure"></span><span class="sectionName"><a href="#//api/name/valueForHTTPHeaderField:">valueForHTTPHeaderField:</a></span></li>
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<div id="contents" class="isShowingTOC" role="main">
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<a title="SDWebImageDownloader Class Reference" name="top"></a>
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<div class="main-navigation navigation-top">
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<ul>
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<li><a href="../index.html">Index</a></li>
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<li><a href="../hierarchy.html">Hierarchy</a></li>
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</ul>
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</div>
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<div id="header">
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<div class="section-header">
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<h1 class="title title-header">SDWebImageDownloader Class Reference</h1>
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</div>
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</div>
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<div id="container">
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<div class="section section-specification"><table cellspacing="0"><tbody>
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<tr>
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<td class="specification-title">Inherits from</td>
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<td class="specification-value">NSObject</td>
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</tr><tr>
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<td class="specification-title">Declared in</td>
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<td class="specification-value">SDWebImageDownloader.h</td>
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</tr>
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</tbody></table></div>
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<div class="section section-overview">
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<a title="Overview" name="overview"></a>
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<h2 class="subtitle subtitle-overview">Overview</h2>
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<p>Asynchronous downloader dedicated and optimized for image loading.</p>
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</div>
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<div class="section section-tasks">
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<a title="Tasks" name="tasks"></a>
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<h2 class="subtitle subtitle-tasks">Tasks</h2>
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<ul class="task-list">
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<li>
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<span class="tooltip">
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<code><a href="#//api/name/maxConcurrentDownloads"> maxConcurrentDownloads</a></code>
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</span>
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<span class="task-item-suffix">property</span>
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</li><li>
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<span class="tooltip">
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<code><a href="#//api/name/queueMode"> queueMode</a></code>
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<span class="tooltip"><p>Changes download operations unqueue mode. Default value is <code>SDWebImageDownloaderFILOQueueMode</code>.</p></span>
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</span>
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<span class="task-item-suffix">property</span>
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</li><li>
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<span class="tooltip">
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<code><a href="#//api/name/sharedDownloader">+ sharedDownloader</a></code>
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</span>
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</li><li>
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<span class="tooltip">
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<code><a href="#//api/name/setValue:forHTTPHeaderField:">– setValue:forHTTPHeaderField:</a></code>
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<span class="tooltip"><p>Set a value for a HTTP header to be appended to each download HTTP request.</p></span>
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</span>
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</li><li>
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<span class="tooltip">
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<code><a href="#//api/name/valueForHTTPHeaderField:">– valueForHTTPHeaderField:</a></code>
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<span class="tooltip"><p>Returns the value of the specified HTTP header field.</p></span>
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</span>
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</li><li>
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<span class="tooltip">
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<code><a href="#//api/name/downloadImageWithURL:options:progress:completed:">– downloadImageWithURL:options:progress:completed:</a></code>
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<span class="tooltip"><p>Creates a SDWebImageDownloader async downloader instance with a given URL</p></span>
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</span>
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</li>
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</ul>
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</div>
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<div class="section section-methods">
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<a title="Properties" name="properties"></a>
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<h2 class="subtitle subtitle-methods">Properties</h2>
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<div class="section-method">
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<a name="//api/name/maxConcurrentDownloads" title="maxConcurrentDownloads"></a>
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<h3 class="subsubtitle method-title">maxConcurrentDownloads</h3>
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<div class="method-subsection method-declaration"><code>@property (assign, nonatomic) NSInteger maxConcurrentDownloads</code></div>
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</div>
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<div class="section-method">
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<a name="//api/name/queueMode" title="queueMode"></a>
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<h3 class="subsubtitle method-title">queueMode</h3>
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<div class="method-subsection brief-description">
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<p>Changes download operations unqueue mode. Default value is <code>SDWebImageDownloaderFILOQueueMode</code>.</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (assign, nonatomic) SDWebImageDownloaderQueueMode queueMode</code></div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Changes download operations unqueue mode. Default value is <code>SDWebImageDownloaderFILOQueueMode</code>.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<code class="declared-in-ref">SDWebImageDownloader.h</code><br />
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</div>
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</div>
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</div>
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<div class="section section-methods">
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<a title="Class Methods" name="class_methods"></a>
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<h2 class="subtitle subtitle-methods">Class Methods</h2>
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<div class="section-method">
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<a name="//api/name/sharedDownloader" title="sharedDownloader"></a>
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<h3 class="subsubtitle method-title">sharedDownloader</h3>
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<div class="method-subsection method-declaration"><code>+ (SDWebImageDownloader *)sharedDownloader</code></div>
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</div>
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</div>
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<div class="section section-methods">
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<a title="Instance Methods" name="instance_methods"></a>
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<h2 class="subtitle subtitle-methods">Instance Methods</h2>
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<div class="section-method">
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<a name="//api/name/downloadImageWithURL:options:progress:completed:" title="downloadImageWithURL:options:progress:completed:"></a>
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<h3 class="subsubtitle method-title">downloadImageWithURL:options:progress:completed:</h3>
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<div class="method-subsection brief-description">
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<p>Creates a SDWebImageDownloader async downloader instance with a given URL</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (id<SDWebImageOperation>)downloadImageWithURL:(NSURL *)<em>url</em> options:(SDWebImageDownloaderOptions)<em>options</em> progress:(SDWebImageDownloaderProgressBlock)<em>progressBlock</em> completed:(SDWebImageDownloaderCompletedBlock)<em>completedBlock</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<dl class="argument-def parameter-def">
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<dt><em>url</em></dt>
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<dd><p>The URL to the image to download</p></dd>
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</dl>
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<dl class="argument-def parameter-def">
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<dt><em>options</em></dt>
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<dd><p>The options to be used for this download</p></dd>
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</dl>
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<dl class="argument-def parameter-def">
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<dt><em>completed</em></dt>
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<dd><p>A block called once the download is completed.
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If the download succeeded, the image parameter is set, in case of error,
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error parameter is set with the error. The last parameter is always YES
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if SDWebImageDownloaderProgressiveDownload isn’t use. With the
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SDWebImageDownloaderProgressiveDownload option, this block is called
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repeatedly with the partial image object and the finished argument set to NO
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before to be called a last time with the full image and finished argument
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set to YES. In case of error, the finished argument is always YES.</p></dd>
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</dl>
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<dl class="argument-def parameter-def">
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<dt><em>progress</em></dt>
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<dd><p>A block called repeatedly while the image is downloading</p></dd>
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</dl>
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</div>
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<div class="method-subsection return">
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<h4 class="method-subtitle parameter-title">Return Value</h4>
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<p>A cancellable <a href="../Protocols/SDWebImageOperation.html">SDWebImageOperation</a></p>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Creates a SDWebImageDownloader async downloader instance with a given URL</p>
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<p>The delegate will be informed when the image is finish downloaded or an error has happen.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<code class="declared-in-ref">SDWebImageDownloader.h</code><br />
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</div>
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</div>
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<div class="section-method">
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<a name="//api/name/setValue:forHTTPHeaderField:" title="setValue:forHTTPHeaderField:"></a>
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<h3 class="subsubtitle method-title">setValue:forHTTPHeaderField:</h3>
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<div class="method-subsection brief-description">
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<p>Set a value for a HTTP header to be appended to each download HTTP request.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)setValue:(NSString *)<em>value</em> forHTTPHeaderField:(NSString *)<em>field</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<dl class="argument-def parameter-def">
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<dt><em>value</em></dt>
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<dd><p>The value for the header field. Use <code>nil</code> value to remove the header.</p></dd>
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</dl>
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<dl class="argument-def parameter-def">
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<dt><em>field</em></dt>
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<dd><p>The name of the header field to set.</p></dd>
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</dl>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Set a value for a HTTP header to be appended to each download HTTP request.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<code class="declared-in-ref">SDWebImageDownloader.h</code><br />
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</div>
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</div>
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<div class="section-method">
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<a name="//api/name/valueForHTTPHeaderField:" title="valueForHTTPHeaderField:"></a>
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<h3 class="subsubtitle method-title">valueForHTTPHeaderField:</h3>
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<div class="method-subsection brief-description">
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<p>Returns the value of the specified HTTP header field.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (NSString *)valueForHTTPHeaderField:(NSString *)<em>field</em></code></div>
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<div class="method-subsection return">
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<h4 class="method-subtitle parameter-title">Return Value</h4>
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<p>The value associated with the header field field, or <code>nil</code> if there is no corresponding header field.</p>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Returns the value of the specified HTTP header field.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<code class="declared-in-ref">SDWebImageDownloader.h</code><br />
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</div>
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</div>
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<div class="main-navigation navigation-bottom">
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<ul>
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<li><a href="../index.html">Index</a></li>
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<li><a href="../hierarchy.html">Hierarchy</a></li>
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</ul>
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<hr />
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<div class="footer-copyright">
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<p><span class="copyright">© 2013 Olivier Poitrey. All rights reserved. (Last updated: 2013-04-02)</span><br />
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<span class="generator">Generated by <a href="http://appledoc.gentlebytes.com">appledoc 2.1 (build 840)</a>.</span></p>
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e.stopPropagation();
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|
return true;
|
|
}
|
|
|
|
function init()
|
|
{
|
|
var selectElement = document.getElementById('jumpTo');
|
|
selectElement.addEventListener('change', jumpToChange, false);
|
|
|
|
var tocButton = document.getElementById('table_of_contents');
|
|
tocButton.addEventListener('click', toggleTOC, false);
|
|
|
|
var taskTreeItem = document.getElementById('task_treeitem');
|
|
if (taskTreeItem.getElementsByTagName('li').length > 0)
|
|
{
|
|
taskTreeItem.setAttribute('class', 'children');
|
|
taskTreeItem.firstChild.setAttribute('class', 'disclosure');
|
|
}
|
|
|
|
var tocList = document.getElementById('toc');
|
|
|
|
var tocEntries = tocList.getElementsByTagName('li');
|
|
for (var i = 0; i < tocEntries.length; i++) {
|
|
tocEntries[i].addEventListener('click', toggleTOCEntryChildren, false);
|
|
}
|
|
|
|
var tocLinks = tocList.getElementsByTagName('a');
|
|
for (var i = 0; i < tocLinks.length; i++) {
|
|
tocLinks[i].addEventListener('click', tocEntryClick, false);
|
|
}
|
|
|
|
if (window.name == "hideTOC") {
|
|
toggleTOC.call(tocButton);
|
|
}
|
|
}
|
|
|
|
window.onload = init;
|
|
|
|
// If showing in Xcode, hide the TOC and Header
|
|
if (navigator.userAgent.match(/xcode/i)) {
|
|
document.getElementById("contents").className = "hideInXcode"
|
|
document.getElementById("tocContainer").className = "hideInXcode"
|
|
document.getElementById("top_header").className = "hideInXcode"
|
|
}
|
|
|
|
</script>
|
|
</body>
|
|
</html> |