| [190] | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|---|
| 2 | <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/extensions/nsplugin/src/qnp.cpp:870 -->
|
|---|
| 3 | <html>
|
|---|
| 4 | <head>
|
|---|
| 5 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|---|
| 6 | <title>QNPInstance Class</title>
|
|---|
| 7 | <style type="text/css"><!--
|
|---|
| 8 | fn { margin-left: 1cm; text-indent: -1cm; }
|
|---|
| 9 | a:link { color: #004faf; text-decoration: none }
|
|---|
| 10 | a:visited { color: #672967; text-decoration: none }
|
|---|
| 11 | body { background: #ffffff; color: black; }
|
|---|
| 12 | --></style>
|
|---|
| 13 | </head>
|
|---|
| 14 | <body>
|
|---|
| 15 |
|
|---|
| 16 | <table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|---|
| 17 | <tr bgcolor="#E5E5E5">
|
|---|
| 18 | <td valign=center>
|
|---|
| 19 | <a href="index.html">
|
|---|
| 20 | <font color="#004faf">Home</font></a>
|
|---|
| 21 | | <a href="classes.html">
|
|---|
| 22 | <font color="#004faf">All Classes</font></a>
|
|---|
| 23 | | <a href="mainclasses.html">
|
|---|
| 24 | <font color="#004faf">Main Classes</font></a>
|
|---|
| 25 | | <a href="annotated.html">
|
|---|
| 26 | <font color="#004faf">Annotated</font></a>
|
|---|
| 27 | | <a href="groups.html">
|
|---|
| 28 | <font color="#004faf">Grouped Classes</font></a>
|
|---|
| 29 | | <a href="functions.html">
|
|---|
| 30 | <font color="#004faf">Functions</font></a>
|
|---|
| 31 | </td>
|
|---|
| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QNPInstance Class Reference</h1>
|
|---|
| 33 |
|
|---|
| 34 | <p>The QNPInstance class provides a QObject that is a web browser plugin.
|
|---|
| 35 | <a href="#details">More...</a>
|
|---|
| 36 | <p>This class is part of the <b>Qt Netscape Extension</b>.
|
|---|
| 37 | <p><tt>#include <<a href="qnp-h.html">qnp.h</a>></tt>
|
|---|
| 38 | <p>Inherits <a href="qobject.html">QObject</a>.
|
|---|
| 39 | <p><a href="qnpinstance-members.html">List of all member functions.</a>
|
|---|
| 40 | <h2>Public Members</h2>
|
|---|
| 41 | <ul>
|
|---|
| 42 | <li class=fn><a href="#~QNPInstance"><b>~QNPInstance</b></a> ()</li>
|
|---|
| 43 | <li class=fn>int <a href="#argc"><b>argc</b></a> () const</li>
|
|---|
| 44 | <li class=fn>const char * <a href="#argn"><b>argn</b></a> ( int i ) const</li>
|
|---|
| 45 | <li class=fn>const char * <a href="#argv"><b>argv</b></a> ( int i ) const</li>
|
|---|
| 46 | <li class=fn>enum <a href="#Reason-enum"><b>Reason</b></a> { ReasonDone = 0, ReasonBreak = 1, ReasonError = 2, ReasonUnknown = -1 }</li>
|
|---|
| 47 | <li class=fn>const char * <a href="#arg"><b>arg</b></a> ( const char * name ) const</li>
|
|---|
| 48 | <li class=fn>enum <a href="#InstanceMode-enum"><b>InstanceMode</b></a> { Embed = 1, Full = 2, Background = 3 }</li>
|
|---|
| 49 | <li class=fn>InstanceMode <a href="#mode"><b>mode</b></a> () const</li>
|
|---|
| 50 | <li class=fn>const char * <a href="#userAgent"><b>userAgent</b></a> () const</li>
|
|---|
| 51 | <li class=fn>virtual QNPWidget * <a href="#newWindow"><b>newWindow</b></a> ()</li>
|
|---|
| 52 | <li class=fn>QNPWidget * <a href="#widget"><b>widget</b></a> ()</li>
|
|---|
| 53 | <li class=fn>enum <a href="#StreamMode-enum"><b>StreamMode</b></a> { Normal = 1, Seek = 2, AsFile = 3, AsFileOnly = 4 }</li>
|
|---|
| 54 | <li class=fn>virtual bool <a href="#newStreamCreated"><b>newStreamCreated</b></a> ( QNPStream *, StreamMode & smode )</li>
|
|---|
| 55 | <li class=fn>virtual int <a href="#writeReady"><b>writeReady</b></a> ( QNPStream * )</li>
|
|---|
| 56 | <li class=fn>virtual int <a href="#write"><b>write</b></a> ( QNPStream *, int offset, int len, void * buffer )</li>
|
|---|
| 57 | <li class=fn>virtual void <a href="#streamDestroyed"><b>streamDestroyed</b></a> ( QNPStream * )</li>
|
|---|
| 58 | <li class=fn>void <a href="#status"><b>status</b></a> ( const char * msg )</li>
|
|---|
| 59 | <li class=fn>void <a href="#getURLNotify"><b>getURLNotify</b></a> ( const char * url, const char * window = 0, void * data = 0 )</li>
|
|---|
| 60 | <li class=fn>void <a href="#getURL"><b>getURL</b></a> ( const char * url, const char * window = 0 )</li>
|
|---|
| 61 | <li class=fn>void <a href="#postURL"><b>postURL</b></a> ( const char * url, const char * window, uint len, const char * buf, bool file )</li>
|
|---|
| 62 | <li class=fn>QNPStream * <a href="#newStream"><b>newStream</b></a> ( const char * mimetype, const char * window, bool as_file = FALSE )</li>
|
|---|
| 63 | <li class=fn>virtual void <a href="#streamAsFile"><b>streamAsFile</b></a> ( QNPStream *, const char * fname )</li>
|
|---|
| 64 | <li class=fn>void * <a href="#getJavaPeer"><b>getJavaPeer</b></a> () const</li>
|
|---|
| 65 | <li class=fn>virtual void <a href="#notifyURL"><b>notifyURL</b></a> ( const char * url, Reason r, void * notifyData )</li>
|
|---|
| 66 | <li class=fn>virtual bool <a href="#printFullPage"><b>printFullPage</b></a> ()</li>
|
|---|
| 67 | <li class=fn>virtual void <a href="#print"><b>print</b></a> ( QPainter * )</li>
|
|---|
| 68 | </ul>
|
|---|
| 69 | <h2>Protected Members</h2>
|
|---|
| 70 | <ul>
|
|---|
| 71 | <li class=fn><a href="#QNPInstance"><b>QNPInstance</b></a> ()</li>
|
|---|
| 72 | </ul>
|
|---|
| 73 | <hr><a name="details"></a><h2>Detailed Description</h2>
|
|---|
| 74 | <p> This class is defined in the <b>Qt <a href="netscape-plugin.html#Netscape">Netscape</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main Qt API.
|
|---|
| 75 | <p>
|
|---|
| 76 |
|
|---|
| 77 | The QNPInstance class provides a <a href="qobject.html">QObject</a> that is a web browser plugin.
|
|---|
| 78 | <p>
|
|---|
| 79 | <p> Deriving from QNPInstance creates an object that represents a
|
|---|
| 80 | single <tt><EMBED></tt> tag in an HTML document.
|
|---|
| 81 | <p> The QNPInstance is responsible for creating an appropriate
|
|---|
| 82 | <a href="qnpwidget.html">QNPWidget</a> window if required (not all plugins have windows), and
|
|---|
| 83 | for interacting with the input/output facilities intrinsic to
|
|---|
| 84 | plugins.
|
|---|
| 85 | <p> Note that there is <em>absolutely no guarantee</em> regarding the order
|
|---|
| 86 | in which functions are called. Sometimes the browser will call
|
|---|
| 87 | <a href="#newWindow">newWindow</a>() first, at other times, <a href="#newStreamCreated">newStreamCreated</a>() will be
|
|---|
| 88 | called first (assuming the <tt><EMBED></tt> tag has a SRC parameter).
|
|---|
| 89 | <p> <em>None of Qt's GUI functionality</em> may be used until after the
|
|---|
| 90 | first call to newWindow(). This includes any use of <a href="qpaintdevice.html">QPaintDevice</a>
|
|---|
| 91 | (i.e. <a href="qpixmap.html">QPixmap</a>, <a href="qwidget.html">QWidget</a>, and all subclasses), <a href="qapplication.html">QApplication</a>, anything
|
|---|
| 92 | related to <a href="qpainter.html">QPainter</a> (<a href="qbrush.html">QBrush</a>, etc.), fonts, <a href="qmovie.html">QMovie</a>, <a href="qtooltip.html">QToolTip</a>, etc.
|
|---|
| 93 | Useful classes which specifically <em>can</em> be used are <a href="qimage.html">QImage</a>,
|
|---|
| 94 | <a href="qfile.html">QFile</a>, and <a href="qbuffer.html">QBuffer</a>.
|
|---|
| 95 | <p> This restriction can easily be accommodated by structuring your
|
|---|
| 96 | plugin so that the task of the QNPInstance is to gather data,
|
|---|
| 97 | while the task of the <a href="qnpwidget.html">QNPWidget</a> is to provide a graphical
|
|---|
| 98 | interface to that data.
|
|---|
| 99 |
|
|---|
| 100 | <hr><h2>Member Type Documentation</h2>
|
|---|
| 101 | <h3 class=fn><a name="InstanceMode-enum"></a>QNPInstance::InstanceMode</h3>
|
|---|
| 102 |
|
|---|
| 103 | <p> This enum type provides Qt-style names for three #defines in
|
|---|
| 104 | <tt>npapi.h</tt>:
|
|---|
| 105 | <ul>
|
|---|
| 106 | <li><tt>QNPInstance::Embed</tt> - corresponds to NP_EMBED
|
|---|
| 107 | <li><tt>QNPInstance::Full</tt> - corresponds to NP_FULL
|
|---|
| 108 | <li><tt>QNPInstance::Background</tt> - corresponds to NP_BACKGROUND
|
|---|
| 109 | </ul><p>
|
|---|
| 110 | <h3 class=fn><a name="Reason-enum"></a>QNPInstance::Reason</h3>
|
|---|
| 111 |
|
|---|
| 112 | <ul>
|
|---|
| 113 | <li><tt>QNPInstance::ReasonDone</tt>
|
|---|
| 114 | <li><tt>QNPInstance::ReasonBreak</tt>
|
|---|
| 115 | <li><tt>QNPInstance::ReasonError</tt>
|
|---|
| 116 | <li><tt>QNPInstance::ReasonUnknown</tt>
|
|---|
| 117 | </ul>
|
|---|
| 118 | <h3 class=fn><a name="StreamMode-enum"></a>QNPInstance::StreamMode</h3>
|
|---|
| 119 |
|
|---|
| 120 | <ul>
|
|---|
| 121 | <li><tt>QNPInstance::Normal</tt>
|
|---|
| 122 | <li><tt>QNPInstance::Seek</tt>
|
|---|
| 123 | <li><tt>QNPInstance::AsFile</tt>
|
|---|
| 124 | <li><tt>QNPInstance::AsFileOnly</tt>
|
|---|
| 125 | </ul>
|
|---|
| 126 | <hr><h2>Member Function Documentation</h2>
|
|---|
| 127 | <h3 class=fn><a name="QNPInstance"></a>QNPInstance::QNPInstance ()<tt> [protected]</tt>
|
|---|
| 128 | </h3>
|
|---|
| 129 | Creates a QNPInstance.
|
|---|
| 130 | <p> Can only be called from within a derived class created within
|
|---|
| 131 | <a href="qnplugin.html#newInstance">QNPlugin::newInstance</a>().
|
|---|
| 132 |
|
|---|
| 133 | <h3 class=fn><a name="~QNPInstance"></a>QNPInstance::~QNPInstance ()
|
|---|
| 134 | </h3>
|
|---|
| 135 | Called when the plugin instance is about to be deleted.
|
|---|
| 136 |
|
|---|
| 137 | <h3 class=fn>const char * <a name="arg"></a>QNPInstance::arg ( const char * name ) const
|
|---|
| 138 | </h3>
|
|---|
| 139 | Returns the value of the named arguments, or 0 if no argument
|
|---|
| 140 | called <em>name</em> appears in the <tt><EMBED></tt> tag of this instance.
|
|---|
| 141 | If the argument appears, but has no value assigned, the empty
|
|---|
| 142 | string is returned. In summary:
|
|---|
| 143 | <p> <center><table cellpadding="4" cellspacing="2" border="0">
|
|---|
| 144 | <tr bgcolor="#a2c511"> <th valign="top">Tag <th valign="top">Result
|
|---|
| 145 | <tr bgcolor="#f0f0f0"> <td valign="top"><tt><EMBED ...></tt> <td valign="top">arg("FOO") == 0
|
|---|
| 146 | <tr bgcolor="#d0d0d0"> <td valign="top"><tt><EMBED FOO ...></tt> <td valign="top">arg("FOO") == ""
|
|---|
| 147 | <tr bgcolor="#f0f0f0"> <td valign="top"><tt><EMBED FOO=BAR ...></tt> <td valign="top">arg("FOO") == "BAR"
|
|---|
| 148 | </table></center>
|
|---|
| 149 |
|
|---|
| 150 | <h3 class=fn>int <a name="argc"></a>QNPInstance::argc () const
|
|---|
| 151 | </h3>
|
|---|
| 152 | Returns the number of arguments to the instance. Note that you
|
|---|
| 153 | should not normally rely on the ordering of arguments, and
|
|---|
| 154 | note that the SGML specification does not permit multiple
|
|---|
| 155 | arguments with the same name.
|
|---|
| 156 | <p> <p>See also <a href="#arg">arg</a>() and <a href="#argn">argn</a>().
|
|---|
| 157 |
|
|---|
| 158 | <h3 class=fn>const char * <a name="argn"></a>QNPInstance::argn ( int i ) const
|
|---|
| 159 | </h3>
|
|---|
| 160 | Returns the name of the <em>i</em>-th argument.
|
|---|
| 161 | <p> <p>See also <a href="#argc">argc</a>() and <a href="#argv">argv</a>().
|
|---|
| 162 |
|
|---|
| 163 | <h3 class=fn>const char * <a name="argv"></a>QNPInstance::argv ( int i ) const
|
|---|
| 164 | </h3>
|
|---|
| 165 | Returns the value of the <em>i</em>-th argument.
|
|---|
| 166 | <p> \as <a href="#argc">argc</a>(), <a href="#arg">arg</a>()
|
|---|
| 167 |
|
|---|
| 168 | <h3 class=fn>void * <a name="getJavaPeer"></a>QNPInstance::getJavaPeer () const
|
|---|
| 169 | </h3>
|
|---|
| 170 | Returns the Java object associated with the plugin instance, an
|
|---|
| 171 | object of the <a href="qnplugin.html#getJavaClass">plugin's Java
|
|---|
| 172 | class</a>, or 0 if the plug-in does not have a Java class,
|
|---|
| 173 | Java is disabled, or an error occurred.
|
|---|
| 174 | <p> The return value is actually a <tt>jref</tt> we use <tt>void*</tt> so as to
|
|---|
| 175 | avoid burdening plugins which do not require Java.
|
|---|
| 176 | <p> <p>See also <a href="qnplugin.html#getJavaClass">QNPlugin::getJavaClass</a>() and <a href="qnplugin.html#getJavaEnv">QNPlugin::getJavaEnv</a>().
|
|---|
| 177 |
|
|---|
| 178 | <h3 class=fn>void <a name="getURL"></a>QNPInstance::getURL ( const char * url, const char * window = 0 )
|
|---|
| 179 | </h3>
|
|---|
| 180 | Requests that the <em>url</em> be retrieved and sent to the named <em>window</em>. See <a href="netscape-plugin.html#Netscape">Netscape</a>'s JavaScript documentation for an explanation
|
|---|
| 181 | of window names.
|
|---|
| 182 |
|
|---|
| 183 | <h3 class=fn>void <a name="getURLNotify"></a>QNPInstance::getURLNotify ( const char * url, const char * window = 0, void * data = 0 )
|
|---|
| 184 | </h3>
|
|---|
| 185 | Requests that the given <em>url</em> be retrieved and sent to
|
|---|
| 186 | the named <em>window</em>. See <a href="netscape-plugin.html#Netscape">Netscape</a>'s JavaScript documentation for
|
|---|
| 187 | an explanation of window names. Passes the arguments including <em>data</em> to NPN_GetURLNotify.
|
|---|
| 188 | <p>
|
|---|
| 189 | <a href="http://developer.netscape.com/docs/manuals/communicator/plugin/refpgur.htm#npngeturlnotify">Netscape: NPN_GetURLNotify method</a>
|
|---|
| 190 |
|
|---|
| 191 | <h3 class=fn><a href="qnpinstance.html#InstanceMode-enum">InstanceMode</a> <a name="mode"></a>QNPInstance::mode () const
|
|---|
| 192 | </h3>
|
|---|
| 193 | Returns the mode of the plugin.
|
|---|
| 194 |
|
|---|
| 195 | <h3 class=fn><a href="qnpstream.html">QNPStream</a> * <a name="newStream"></a>QNPInstance::newStream ( const char * mimetype, const char * window, bool as_file = FALSE )
|
|---|
| 196 | </h3>
|
|---|
| 197 | <p><b>This function is under development and is subject to change.</b>
|
|---|
| 198 | <p> This function is <em>not tested</em>.
|
|---|
| 199 | <p> Requests the creation of a new data stream <em>from</em> the plugin.
|
|---|
| 200 | The MIME type and window are passed in <em>mimetype</em> and <em>window</em>.
|
|---|
| 201 | <em>as_file</em> holds the <a href="#StreamMode-enum">AsFileOnly</a> flag. It is an interface to the
|
|---|
| 202 | NPN_NewStream function of the <a href="netscape-plugin.html#Netscape">Netscape</a> Plugin API.
|
|---|
| 203 |
|
|---|
| 204 | <h3 class=fn>bool <a name="newStreamCreated"></a>QNPInstance::newStreamCreated ( <a href="qnpstream.html">QNPStream</a> *, <a href="qnpinstance.html#StreamMode-enum">StreamMode</a> & smode )<tt> [virtual]</tt>
|
|---|
| 205 | </h3>
|
|---|
| 206 |
|
|---|
| 207 | <p> This function is called when a new stream has been created. The
|
|---|
| 208 | instance should return TRUE if it accepts the processing of the
|
|---|
| 209 | stream. If the instance requires the stream as a file, it should
|
|---|
| 210 | set <em>smode</em> to <a href="#StreamMode-enum">AsFileOnly</a>, in which case the data will be
|
|---|
| 211 | delivered some time later to the <a href="#streamAsFile">streamAsFile</a>() function.
|
|---|
| 212 | Otherwise, the data will be delivered in chunks to the <a href="#write">write</a>()
|
|---|
| 213 | function, which must consume at least as much data as returned
|
|---|
| 214 | by the most recent call to <a href="#writeReady">writeReady</a>().
|
|---|
| 215 | <p> Note that the <a href="#StreamMode-enum">AsFileOnly</a> method is not supported by <a href="netscape-plugin.html#Netscape">Netscape</a>
|
|---|
| 216 | 2.0 and MSIE 3.0.
|
|---|
| 217 | <p> The default implementation accepts any stream.
|
|---|
| 218 |
|
|---|
| 219 | <h3 class=fn><a href="qnpwidget.html">QNPWidget</a> * <a name="newWindow"></a>QNPInstance::newWindow ()<tt> [virtual]</tt>
|
|---|
| 220 | </h3>
|
|---|
| 221 | Called at most once, at some time after the QNPInstance is
|
|---|
| 222 | created. If the plugin requires a window, this function should
|
|---|
| 223 | return a derived class of <a href="qnpwidget.html">QNPWidget</a> that provides the required
|
|---|
| 224 | interface.
|
|---|
| 225 |
|
|---|
| 226 | <p>Example: <a href="grapher-nsplugin-example.html#x2751">grapher/grapher.cpp</a>.
|
|---|
| 227 | <h3 class=fn>void <a name="notifyURL"></a>QNPInstance::notifyURL ( const char * url, <a href="qnpinstance.html#Reason-enum">Reason</a> r, void * notifyData )<tt> [virtual]</tt>
|
|---|
| 228 | </h3>
|
|---|
| 229 | <p><b>This function is under development and is subject to change.</b>
|
|---|
| 230 | <p> This function is <em>not tested</em>.
|
|---|
| 231 | <p> Called whenever a <em>url</em> is notified after a call to
|
|---|
| 232 | NPN_GetURLNotify with <em>notifyData</em>. The reason is given in <em>r</em>.
|
|---|
| 233 | <p> It is an encapsulation of the NPP_URLNotify function of the
|
|---|
| 234 | <a href="netscape-plugin.html#Netscape">Netscape</a> Plugin API.
|
|---|
| 235 | <p> See also:
|
|---|
| 236 | <a href="http://developer.netscape.com/docs/manuals/communicator/plugin/refpgur.htm#nppurlnotify">Netscape: NPP_URLNotify method</a>
|
|---|
| 237 |
|
|---|
| 238 | <h3 class=fn>void <a name="postURL"></a>QNPInstance::postURL ( const char * url, const char * window, uint len, const char * buf, bool file )
|
|---|
| 239 | </h3>
|
|---|
| 240 | <p><b>This function is under development and is subject to change.</b>
|
|---|
| 241 | <p> This function is <em>not tested</em>.
|
|---|
| 242 | <p> It is an interface to the NPN_PostURL function of the <a href="netscape-plugin.html#Netscape">Netscape</a>
|
|---|
| 243 | Plugin API.
|
|---|
| 244 | <p> Passes <em>url</em>, <em>window</em>, <em>buf</em>, <em>len</em>, and <em>file</em> to
|
|---|
| 245 | NPN_PostURL.
|
|---|
| 246 |
|
|---|
| 247 | <h3 class=fn>void <a name="print"></a>QNPInstance::print ( <a href="qpainter.html">QPainter</a> * )<tt> [virtual]</tt>
|
|---|
| 248 | </h3>
|
|---|
| 249 | <p><b>This function is under development and is subject to change.</b>
|
|---|
| 250 | <p> This function is <em>not tested</em>.
|
|---|
| 251 | <p> Print the instance embedded in a page.
|
|---|
| 252 | <p> It is an encapsulation of the NPP_Print function of the <a href="netscape-plugin.html#Netscape">Netscape</a>
|
|---|
| 253 | Plugin API.
|
|---|
| 254 |
|
|---|
| 255 | <h3 class=fn>bool <a name="printFullPage"></a>QNPInstance::printFullPage ()<tt> [virtual]</tt>
|
|---|
| 256 | </h3>
|
|---|
| 257 | <p><b>This function is under development and is subject to change.</b>
|
|---|
| 258 | <p> This function is <em>not tested</em>.
|
|---|
| 259 | <p> It is an encapsulation of the NPP_Print function of the <a href="netscape-plugin.html#Netscape">Netscape</a>
|
|---|
| 260 | Plugin API.
|
|---|
| 261 |
|
|---|
| 262 | <h3 class=fn>void <a name="status"></a>QNPInstance::status ( const char * msg )
|
|---|
| 263 | </h3>
|
|---|
| 264 | Sets the status message in the browser containing this instance to
|
|---|
| 265 | <em>msg</em>.
|
|---|
| 266 |
|
|---|
| 267 | <h3 class=fn>void <a name="streamAsFile"></a>QNPInstance::streamAsFile ( <a href="qnpstream.html">QNPStream</a> *, const char * fname )<tt> [virtual]</tt>
|
|---|
| 268 | </h3>
|
|---|
| 269 | Called when a stream is delivered as a single file called <em>fname</em>
|
|---|
| 270 | rather than as chunks. This may be simpler for a plugin to deal
|
|---|
| 271 | with, but precludes any incremental behavior.
|
|---|
| 272 | <p> Note that the <a href="#StreamMode-enum">AsFileOnly</a> method is not supported by <a href="netscape-plugin.html#Netscape">Netscape</a>
|
|---|
| 273 | 2.0 and MSIE 3.0.
|
|---|
| 274 | <p> <p>See also <a href="#newStreamCreated">newStreamCreated</a>() and <a href="#newStream">newStream</a>().
|
|---|
| 275 |
|
|---|
| 276 | <h3 class=fn>void <a name="streamDestroyed"></a>QNPInstance::streamDestroyed ( <a href="qnpstream.html">QNPStream</a> * )<tt> [virtual]</tt>
|
|---|
| 277 | </h3>
|
|---|
| 278 | Called when a stream is destroyed. At this point, the stream may
|
|---|
| 279 | be complete() and okay(). If it is not okay(), then an error has
|
|---|
| 280 | occurred. If it is okay(), but not complete(), then the user has
|
|---|
| 281 | cancelled the transmission; do not give an error message in this
|
|---|
| 282 | case.
|
|---|
| 283 |
|
|---|
| 284 | <h3 class=fn>const char * <a name="userAgent"></a>QNPInstance::userAgent () const
|
|---|
| 285 | </h3>
|
|---|
| 286 | Returns the user agent (browser name) containing this instance.
|
|---|
| 287 |
|
|---|
| 288 | <h3 class=fn><a href="qnpwidget.html">QNPWidget</a> * <a name="widget"></a>QNPInstance::widget ()
|
|---|
| 289 | </h3>
|
|---|
| 290 | Returns the plugin window created by <a href="#newWindow">newWindow</a>(), if any.
|
|---|
| 291 |
|
|---|
| 292 | <h3 class=fn>int <a name="write"></a>QNPInstance::write ( <a href="qnpstream.html">QNPStream</a> *, int offset, int len, void * buffer )<tt> [virtual]</tt>
|
|---|
| 293 | </h3>
|
|---|
| 294 |
|
|---|
| 295 | <p> Called when incoming data is available for processing by the
|
|---|
| 296 | instance. The instance <em>must</em> consume at least the amount that it
|
|---|
| 297 | returned in the most recent call to <a href="#writeReady">writeReady</a>(), but it may
|
|---|
| 298 | consume up to the amount given by <em>len</em>. <em>buffer</em> is the data
|
|---|
| 299 | available for consumption. The <em>offset</em> argument is merely an
|
|---|
| 300 | informational value indicating the total amount of data that has
|
|---|
| 301 | been consumed in prior calls.
|
|---|
| 302 | <p> This function should return the amount of data actually consumed.
|
|---|
| 303 |
|
|---|
| 304 | <p>Example: <a href="grapher-nsplugin-example.html#x2752">grapher/grapher.cpp</a>.
|
|---|
| 305 | <h3 class=fn>int <a name="writeReady"></a>QNPInstance::writeReady ( <a href="qnpstream.html">QNPStream</a> * )<tt> [virtual]</tt>
|
|---|
| 306 | </h3>
|
|---|
| 307 | Returns the minimum amount of data the instance is willing to
|
|---|
| 308 | receive from the given stream.
|
|---|
| 309 | <p> The default returns a very large value.
|
|---|
| 310 |
|
|---|
| 311 | <!-- eof -->
|
|---|
| 312 | <hr><p>
|
|---|
| 313 | This file is part of the <a href="index.html">Qt toolkit</a>.
|
|---|
| 314 | Copyright © 1995-2007
|
|---|
| 315 | <a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
|
|---|
| 316 | <table width=100% cellspacing=0 border=0><tr>
|
|---|
| 317 | <td>Copyright © 2007
|
|---|
| 318 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|---|
| 319 | <td align=right><div align=right>Qt 3.3.8</div>
|
|---|
| 320 | </table></div></address></body>
|
|---|
| 321 | </html>
|
|---|
