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102 lines
7.6 KiB
HTML
102 lines
7.6 KiB
HTML
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<title>cef4delphi: uCEFInterfaces: Interface ICefDownloadHandler</title>
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<span id="ICefDownloadHandler"></span><h1 class="cio">Interface ICefDownloadHandler</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">Fields</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="uCEFInterfaces.html">uCEFInterfaces</a></p>
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<h2 class="declaration">Declaration</h2>
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<p class="declaration">
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<code>type ICefDownloadHandler = interface(<a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a>)</code></p>
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<h2 class="description">Description</h2>
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<p>
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Interface used to handle file downloads. The functions of this interface will called on the browser process UI thread. </p>
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<p>
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<p>UNKNOWN
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<p><see href="<a href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_download_handler_capi.h">https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_download_handler_capi.h</a>">CEF source file: /include/capi/cef_download_handler_capi.h (cef_download_handler_t))</p>
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<span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
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<ul class="hierarchy"><li class="ancestor">IInterface</li>
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<li class="ancestor"><a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a></li>
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<li class="thisitem">ICefDownloadHandler</li></ul><h2 class="overview">Overview</h2>
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<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<table class="summary wide_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"><code>function <strong><a href="uCEFInterfaces.ICefDownloadHandler.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;</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>procedure <strong><a href="uCEFInterfaces.ICefDownloadHandler.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>);</code></td>
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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"><code>procedure <strong><a href="uCEFInterfaces.ICefDownloadHandler.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>);</code></td>
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</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"><code>procedure <strong><a href="uCEFInterfaces.ICefDownloadHandler.html#RemoveReferences">RemoveReferences</a></strong>;</code></td>
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</tr>
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</table>
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<h2 class="description">Description</h2>
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<h3 class="detail">Methods</h3>
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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="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;</code></td>
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</tr>
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<tr><td colspan="2">
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<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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<h6 class="description_section">Attributes</h6>
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<dl class="attributes">
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<dt>GUID['{3137F90A-5DC5-43C1-858D-A269F28EF4F1}']</dt>
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<dd></dd>
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</dl>
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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="OnBeforeDownload-ICefBrowser-ICefDownloadItem-ustring-ICefBeforeDownloadCallback-"></span><code>procedure <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>);</code></td>
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<tr><td colspan="2">
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<p>
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Called before a download begins. |suggested_name| is the suggested name for the download file. By default the download will be canceled. Execute |callback| either asynchronously or in this function to continue 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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<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="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>);</code></td>
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</tr>
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<tr><td colspan="2">
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<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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<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="RemoveReferences"></span><code>procedure <strong>RemoveReferences</strong>;</code></td>
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</tr>
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<tr><td colspan="2">
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<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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