src/native_client_sdk/doc_generated/pepper_beta/c/struct_p_p_b___file_system__1__0.html

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   2 <h1>PPB_FileSystem Struct Reference</h1>
   3 <div>
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   9 <div class="contents">
  10 <!-- doxytag: class="PPB_FileSystem" --><h2>
  11 Data Fields</h2><table class="memberdecls">
  12
  13 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_p_b___file_system__1__0.html#a14946dd216cfe9cf786b2c1442588083">Create</a> )(<a class="el" href="group___typedefs.html#ga89b662403e6a687bb914b80114c0d19d">PP_Instance</a> instance, <a class="el" href="group___enums.html#ga87b353f2ec8935c9c3294daff612c145">PP_FileSystemType</a> type)</td></tr>
  14 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___enums.html#ga4f272d99be14aacafe08dfd4ef830918">PP_Bool</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_p_b___file_system__1__0.html#a4d65860ba1d916f2488bab25e89d2dba">IsFileSystem</a> )(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> resource)</td></tr>
  15 <tr><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_p_b___file_system__1__0.html#a9add9cdffaa742c8d19c33a73bca9e3a">Open</a> )(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> file_system, int64_t expected_size, struct <a class="el" href="struct_p_p___completion_callback.html">PP_CompletionCallback</a> callback)</td></tr>
  16 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___enums.html#ga87b353f2ec8935c9c3294daff612c145">PP_FileSystemType</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_p_b___file_system__1__0.html#a59a9fed00deae5bfbc9480184232ab68">GetType</a> )(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> file_system)</td></tr>
  17 </table>
  18 <hr /><a name="details" id="details"></a><h2>Detailed Description</h2>
  19 <div class="textblock"><p>The <code>PPB_FileSystem</code> struct identifies the file system type associated with a file. </p>
  20 </div><hr /><h2>Field Documentation</h2>
  21 <a class="anchor" id="a14946dd216cfe9cf786b2c1442588083"></a><!-- doxytag: member="PPB_FileSystem::Create" ref="a14946dd216cfe9cf786b2c1442588083" args=")(PP_Instance instance, PP_FileSystemType type)" -->
  22 <div class="memitem">
  23 <div class="memproto">
  24 <table class="memname">
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  26 <td class="memname"><a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a>(* <a class="el" href="struct_p_p_b___file_system__1__0.html#a14946dd216cfe9cf786b2c1442588083">PPB_FileSystem::Create</a>)(<a class="el" href="group___typedefs.html#ga89b662403e6a687bb914b80114c0d19d">PP_Instance</a> instance, <a class="el" href="group___enums.html#ga87b353f2ec8935c9c3294daff612c145">PP_FileSystemType</a> type)</td>
  27 </tr>
  28 </table>
  29 </div>
  30 <div class="memdoc">
  31 <p><a class="el" href="struct_p_p_b___file_system__1__0.html#a14946dd216cfe9cf786b2c1442588083" title="Create() creates a file system object of the given type.">Create()</a> creates a file system object of the given type. </p>
  32 <dl class="params"><dt><b>Parameters:</b></dt><dd>
  33 <table class="params">
  34 <tr><td class="paramdir">[in]</td><td class="paramname">instance</td><td>A <code>PP_Instance</code> identifying the instance with the file. </td></tr>
  35 <tr><td class="paramdir">[in]</td><td class="paramname">type</td><td>A file system type as defined by <code>PP_FileSystemType</code> enum (except PP_FILESYSTEMTYPE_ISOLATED, which is currently not supported). </td></tr>
  36 </table>
  37 </dd>
  38 </dl>
  39 <dl class="return"><dt><b>Returns:</b></dt><dd>A <code>PP_Resource</code> corresponding to a file system if successful. </dd></dl>
  40 </div>
  41 </div>
  42 <a class="anchor" id="a59a9fed00deae5bfbc9480184232ab68"></a><!-- doxytag: member="PPB_FileSystem::GetType" ref="a59a9fed00deae5bfbc9480184232ab68" args=")(PP_Resource file_system)" -->
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  47 <td class="memname"><a class="el" href="group___enums.html#ga87b353f2ec8935c9c3294daff612c145">PP_FileSystemType</a>(* <a class="el" href="struct_p_p_b___file_system__1__0.html#a59a9fed00deae5bfbc9480184232ab68">PPB_FileSystem::GetType</a>)(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> file_system)</td>
  48 </tr>
  49 </table>
  50 </div>
  51 <div class="memdoc">
  52 <p><a class="el" href="struct_p_p_b___file_system__1__0.html#a59a9fed00deae5bfbc9480184232ab68" title="GetType() returns the type of the provided file system.">GetType()</a> returns the type of the provided file system. </p>
  53 <dl class="params"><dt><b>Parameters:</b></dt><dd>
  54 <table class="params">
  55 <tr><td class="paramdir">[in]</td><td class="paramname">file_system</td><td>A <code>PP_Resource</code> corresponding to a file system.</td></tr>
  56 </table>
  57 </dd>
  58 </dl>
  59 <dl class="return"><dt><b>Returns:</b></dt><dd>A <code>PP_FileSystemType</code> with the file system type if valid or <code>PP_FILESYSTEMTYPE_INVALID</code> if the provided resource is not a valid file system. It is valid to call this function even before <a class="el" href="struct_p_p_b___file_system__1__0.html#a9add9cdffaa742c8d19c33a73bca9e3a" title="Open() opens the file system.">Open()</a> completes. </dd></dl>
  60 </div>
  61 </div>
  62 <a class="anchor" id="a4d65860ba1d916f2488bab25e89d2dba"></a><!-- doxytag: member="PPB_FileSystem::IsFileSystem" ref="a4d65860ba1d916f2488bab25e89d2dba" args=")(PP_Resource resource)" -->
  63 <div class="memitem">
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  67 <td class="memname"><a class="el" href="group___enums.html#ga4f272d99be14aacafe08dfd4ef830918">PP_Bool</a>(* <a class="el" href="struct_p_p_b___file_system__1__0.html#a4d65860ba1d916f2488bab25e89d2dba">PPB_FileSystem::IsFileSystem</a>)(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> resource)</td>
  68 </tr>
  69 </table>
  70 </div>
  71 <div class="memdoc">
  72 <p><a class="el" href="struct_p_p_b___file_system__1__0.html#a4d65860ba1d916f2488bab25e89d2dba" title="IsFileSystem() determines if the provided resource is a file system.">IsFileSystem()</a> determines if the provided resource is a file system. </p>
  73 <dl class="params"><dt><b>Parameters:</b></dt><dd>
  74 <table class="params">
  75 <tr><td class="paramdir">[in]</td><td class="paramname">resource</td><td>A <code>PP_Resource</code> corresponding to a file system.</td></tr>
  76 </table>
  77 </dd>
  78 </dl>
  79 <dl class="return"><dt><b>Returns:</b></dt><dd><code>PP_TRUE</code> if the resource is a <code>PPB_FileSystem</code>, <code>PP_FALSE</code> if the resource is invalid or some type other than <code>PPB_FileSystem</code>. </dd></dl>
  80 </div>
  81 </div>
  82 <a class="anchor" id="a9add9cdffaa742c8d19c33a73bca9e3a"></a><!-- doxytag: member="PPB_FileSystem::Open" ref="a9add9cdffaa742c8d19c33a73bca9e3a" args=")(PP_Resource file_system, int64_t expected_size, struct PP_CompletionCallback callback)" -->
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  87 <td class="memname">int32_t(* <a class="el" href="struct_p_p_b___file_system__1__0.html#a9add9cdffaa742c8d19c33a73bca9e3a">PPB_FileSystem::Open</a>)(<a class="el" href="group___typedefs.html#gafdc3895ee80f4750d0d95ae1b677e9b7">PP_Resource</a> file_system, int64_t expected_size, struct <a class="el" href="struct_p_p___completion_callback.html">PP_CompletionCallback</a> callback)</td>
  88 </tr>
  89 </table>
  90 </div>
  91 <div class="memdoc">
  92 <p><a class="el" href="struct_p_p_b___file_system__1__0.html#a9add9cdffaa742c8d19c33a73bca9e3a" title="Open() opens the file system.">Open()</a> opens the file system. </p>
  93 <p>A file system must be opened before running any other operation on it.</p>
  94 <dl class="params"><dt><b>Parameters:</b></dt><dd>
  95 <table class="params">
  96 <tr><td class="paramdir">[in]</td><td class="paramname">file_system</td><td>A <code>PP_Resource</code> corresponding to a file system.</td></tr>
  97 <tr><td class="paramdir">[in]</td><td class="paramname">expected_size</td><td>The expected size of the file system. Note that this does not request quota; to do that, you must either invoke requestQuota from JavaScript: <a href="http://www.html5rocks.com/en/tutorials/file/filesystem/#toc-requesting-quota">http://www.html5rocks.com/en/tutorials/file/filesystem/#toc-requesting-quota</a> or set the unlimitedStorage permission for Chrome Web Store apps: <a href="http://code.google.com/chrome/extensions/manifest.html#permissions">http://code.google.com/chrome/extensions/manifest.html#permissions</a></td></tr>
  98 <tr><td class="paramdir">[in]</td><td class="paramname">callback</td><td>A <code><a class="el" href="struct_p_p___completion_callback.html" title="PP_CompletionCallback is a common mechanism for supporting potentially asynchronous calls in browser ...">PP_CompletionCallback</a></code> to be called upon completion of <a class="el" href="struct_p_p_b___file_system__1__0.html#a9add9cdffaa742c8d19c33a73bca9e3a" title="Open() opens the file system.">Open()</a>.</td></tr>
  99 </table>
 100 </dd>
 101 </dl>
 102 <dl class="return"><dt><b>Returns:</b></dt><dd>An int32_t containing an error code from <code><a class="el" href="pp__errors_8h.html" title="This file defines an enumeration of all PPAPI error codes.">pp_errors.h</a></code>. </dd></dl>
 103 </div>
 104 </div>
 105 <hr />The documentation for this struct was generated from the following file:<ul>
 106 <li><a class="el" href="ppb__file__system_8h.html">ppb_file_system.h</a></li>
 107 </ul>
 108 </div><!-- contents -->
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