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109 lines
2.6 KiB
HTML
109 lines
2.6 KiB
HTML
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<HTML>
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<H1> Simple XPConnect Scriptable Sample Plug-in </H1>
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<p>
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This sample plug-in demonstrates how to write a XPConnect-enabled plug-in. You
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should see in the plug-in rectangle below with the text "Hello World". The text
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box and buttons demostrate calling the scriptable xpcom interfaces of the plugin
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from JavaScript.
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<HR>
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<center>
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<EMBED type=application/x-simple name="simple1" width=400 height=300>
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<script>
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function GetText()
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{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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document.the_form.the_text.value =
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document.simple1.nsISimplePluginInstance.text;
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}
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function SetText()
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{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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document.simple1.nsISimplePluginInstance.text =
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document.the_form.the_text.value;
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}
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/*
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// For JS evaluator below; unused.
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var it = undefined; // persistent last special value.
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function EvalIt() {
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var inText = document.eval_form.eval_text.value;
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dump(document.simple1);
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try {
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var result = eval(inText);
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result = result ? result : "";
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document.eval_form.result_text.value = result;
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if (it)
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document.eval_form.it_text.value = "it: " + it;
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document.eval_form.eval_text.value = "";
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} catch (err) {
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document.eval_form.result_text.value = "Exn: " + err.toString();
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}
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return true;
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}
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*/
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</script>
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<form name ="the_form">
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<INPUT TYPE="text" NAME="the_text" VALUE="some text" SIZE="25">
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<input type=button value="Set Text" onclick='SetText()'>
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<input type=button value="Get Text" onclick='GetText()'>
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</form>
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<!--
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<hr>
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<form name ="eval_form">
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JavaScript evaluation for poking at the plugin ('document.simple1').<br>
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input:<br>
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<INPUT TYPE="text" NAME="eval_text" onchange = "EvalIt()" SIZE="80"><br>
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result:<br>
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<INPUT TYPE="text" NAME="result_text" SIZE="80"><br>
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contents of 'it':<br>
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<INPUT TYPE="text" NAME="it_text" SIZE="80">
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<p>
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<input type=button value="eval" onclick="EvalIt()">
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</form>
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-->
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<hr>
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</center>
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<h4>Problems?</h4>
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<ul>
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<p><li><b>Can't load pluign</b>:
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Copy the compiled plugin to your plugins directory
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<p><li><b>JavaScript error in the Error console talking about how
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XPConnect can't build a wrapper</b>:
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Copy the type library (nsISimplePluginInstance.xpt) to the mozilla components
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directory.
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<p><li><b>Plugin loads, but when I push the 'Set Text' button the plugin text
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is not updated</b>:
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Are you not running Windows? Only the Windows version updates text the plugin
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draws. But the calls from JS to the plugin should work on all platforms.
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[We welcome fixes to the samples if you'd like to submit them]
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</ul>
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<HR>
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</HTML>
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