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130 lines
11 KiB
HTML
130 lines
11 KiB
HTML
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<title>cef4delphi: uCEFDownloadHandler: Class TCustomDownloadHandler</title>
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<span id="TCustomDownloadHandler"></span><h1 class="cio">Class TCustomDownloadHandler</h1>
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<div class="sections">
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<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section"><a class="section" href="#PasDoc-Fields">Fields</a></div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
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<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
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<p class="unitlink">
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<a href="uCEFDownloadHandler.html">uCEFDownloadHandler</a></p>
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<h2 class="declaration">Declaration</h2>
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<p class="declaration">
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<code>type TCustomDownloadHandler = class(<a class="normal" href="uCEFDownloadHandler.TCefDownloadHandlerOwn.html">TCefDownloadHandlerOwn</a>)</code></p>
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<h2 class="description">Description</h2>
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<p class="nodescription">This item has no description.</p><span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
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<ul class="hierarchy"><li class="ancestor">TInterfacedObject</li>
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<li class="ancestor"><a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedOwn.html">TCefBaseRefCountedOwn</a></li>
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<li class="ancestor"><a class="normal" href="uCEFDownloadHandler.TCefDownloadHandlerOwn.html">TCefDownloadHandlerOwn</a></li>
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<li class="thisitem">TCustomDownloadHandler</li></ul><h2 class="overview">Overview</h2>
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<span id="PasDoc-Fields"></span><h3 class="summary">Fields</h3>
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<table class="summary wide_list">
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><code><strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#FEvents">FEvents</a></strong>: Pointer;</code></td>
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<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><code>function <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#CanDownload-ICefBrowser-ustring-ustring-">CanDownload</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const url, request_method: <a href="uCEFTypes.html#ustring">ustring</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><code>function <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#OnBeforeDownload-ICefBrowser-ICefDownloadItem-ustring-ICefBeforeDownloadCallback-">OnBeforeDownload</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const downloadItem: <a href="uCEFInterfaces.ICefDownloadItem.html">ICefDownloadItem</a>; const suggestedName: <a href="uCEFTypes.html#ustring">ustring</a>; const callback: <a href="uCEFInterfaces.ICefBeforeDownloadCallback.html">ICefBeforeDownloadCallback</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#OnDownloadUpdated-ICefBrowser-ICefDownloadItem-ICefDownloadItemCallback-">OnDownloadUpdated</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const downloadItem: <a href="uCEFInterfaces.ICefDownloadItem.html">ICefDownloadItem</a>; const callback: <a href="uCEFInterfaces.ICefDownloadItemCallback.html">ICefDownloadItemCallback</a>); override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#RemoveReferences">RemoveReferences</a></strong>; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
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<td class="itemcode"><code>constructor <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#Create-IChromiumEvents-">Create</a></strong>(const events : <a href="uCEFInterfaces.IChromiumEvents.html">IChromiumEvents</a>); reintroduce; virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
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<td class="itemcode"><code>destructor <strong><a href="uCEFDownloadHandler.TCustomDownloadHandler.html#Destroy">Destroy</a></strong>; override;</code></td>
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<h2 class="description">Description</h2>
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<h3 class="detail">Fields</h3>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><span id="FEvents"></span><code><strong>FEvents</strong>: Pointer;</code></td>
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<tr><td colspan="2">
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<p class="nodescription">This item has no description.</p></td></tr>
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<h3 class="detail">Methods</h3>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><span id="CanDownload-ICefBrowser-ustring-ustring-"></span><code>function <strong>CanDownload</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const url, request_method: <a href="uCEFTypes.html#ustring">ustring</a>): boolean; override;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefDownloadHandler.html#CanDownload-ICefBrowser-ustring-ustring-">ICefDownloadHandler.CanDownload</a>.</p><p>
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Called before a download begins in response to a user-initiated action (e.g. alt + link click or link click that returns a `Content-Disposition: attachment` response from the server). |url| is the target download URL and |request_function| is the target function (GET, POST, etc). Return true (1) to proceed with the download or false (0) to cancel the download. </p>
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</td></tr>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><span id="OnBeforeDownload-ICefBrowser-ICefDownloadItem-ustring-ICefBeforeDownloadCallback-"></span><code>function <strong>OnBeforeDownload</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const downloadItem: <a href="uCEFInterfaces.ICefDownloadItem.html">ICefDownloadItem</a>; const suggestedName: <a href="uCEFTypes.html#ustring">ustring</a>; const callback: <a href="uCEFInterfaces.ICefBeforeDownloadCallback.html">ICefBeforeDownloadCallback</a>): boolean; override;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefDownloadHandler.html#OnBeforeDownload-ICefBrowser-ICefDownloadItem-ustring-ICefBeforeDownloadCallback-">ICefDownloadHandler.OnBeforeDownload</a>.</p><p>
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Called before a download begins. |suggested_name| is the suggested name for the download file. Return true (1) and execute |callback| either asynchronously or in this function to continue or cancel the download. Return false (0) to proceed with default handling (cancel with Alloy style, download shelf with Chrome style). Do not keep a reference to |download_item| outside of this function. </p>
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</td></tr>
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<table class="detail wide_list">
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<td class="itemcode"><span id="OnDownloadUpdated-ICefBrowser-ICefDownloadItem-ICefDownloadItemCallback-"></span><code>procedure <strong>OnDownloadUpdated</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const downloadItem: <a href="uCEFInterfaces.ICefDownloadItem.html">ICefDownloadItem</a>; const callback: <a href="uCEFInterfaces.ICefDownloadItemCallback.html">ICefDownloadItemCallback</a>); override;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefDownloadHandler.html#OnDownloadUpdated-ICefBrowser-ICefDownloadItem-ICefDownloadItemCallback-">ICefDownloadHandler.OnDownloadUpdated</a>.</p><p>
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Called when a download's status or progress information has been updated. This may be called multiple times before and after OnBeforeDownload. Execute |callback| either asynchronously or in this function to cancel the download if desired. Do not keep a reference to |download_item| outside of this function. </p>
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</td></tr>
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</table>
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<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
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<td class="itemcode"><span id="RemoveReferences"></span><code>procedure <strong>RemoveReferences</strong>; override;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefDownloadHandler.html#RemoveReferences">ICefDownloadHandler.RemoveReferences</a>.</p><p>
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Custom procedure to clear all references. </p>
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</td></tr>
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</table>
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<table class="detail wide_list">
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<tr class="list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
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<td class="itemcode"><span id="Create-IChromiumEvents-"></span><code>constructor <strong>Create</strong>(const events : <a href="uCEFInterfaces.IChromiumEvents.html">IChromiumEvents</a>); reintroduce; virtual;</code></td>
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<p class="nodescription">This item has no description.</p></td></tr>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
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<td class="itemcode"><span id="Destroy"></span><code>destructor <strong>Destroy</strong>; override;</code></td>
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<p class="nodescription">This item has no description.</p></td></tr>
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<hr><span class="appinfo"><em>Generated by <a href="https://pasdoc.github.io/">PasDoc 0.16.0-snapshot</a>. </em>
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