mimeTypes.rdf corruption - SVG: Scalable Vector Graphics
for files loaded locally, it first looks in a cache of filename extension to media type mappings (stored in a mozilla profile file called mimetypes.rdf), and if it doesn't find a media type there, it asks the operating system.
...first, certain actions can cause the media types cache in mimetypes.rdf to associate a filename extension with the wrong media type.
... possible solutions how you solve this problem depends on whether it's your operating system or your mozilla profile (mimetypes.rdf) that are corrupt.
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NavigatorPlugins.mimeTypes - Web APIs
syntax var mimetypes[] = navigator.mimetypes; mimetypes is a mimetypearray object which has a length property as well as item(index) and nameditem(name) methods.
... example function isjavapresent() { return 'application/x-java-applet' in navigator.mimetypes; } function getjavaplugindescription() { var mimetype = navigator.mimetypes['application/x-java-applet']; if (mimetype === undefined) { // no java plugin present return undefined; } return mimetype.enabledplugin.description; } specifications specification status comment html living standardthe definition of 'navigatorplugins.mimetypes' in that specification.

The First Install Problem - Archive of obsolete content
example: [hkey_local_machine\software\mozillaplugins\@mycompany.com/myapplication,version=5.01] version=5.01 mimetypes -- this is a subkey and contains individual mimetypes as further subkeys.
... hkey_local_machine\software\mozillaplugins\@mycompany.com/myapplication,version=5.01/mimetypes/somemimetypesubkey/ the mimetypes subkey contains further subkeys based on an application's actual mimetypes.
... examples: [hkey_local_machine\software\mozillaplugins\@mycompany.com/myapplication,version=5.01\mimetypes\application/x-myapp] there can be more than one such subkey, depending on how many mimetypes an application wishes to handle (or advertise that it handles).
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Index - Web APIs
navigatorplugins.mimetypes returns an array of this object.
...this object is returned by navigatorplugins.mimetypes.
... 2686 navigatorplugins.mimetypes api, property, reference returns a mimetypearray object, which contains a list of mimetype objects representing the mime types recognized by the browser.

Rosetta - Archive of obsolete content
parsedocument () { for ( var ascripts = document.getelementsbytagname("script"), nidx = 0; nidx < ascripts.length; parsescript(ascripts[nidx++]) ); } var odicts = {}, rignoremimes = /^\s*(?:text\/javascript|text\/ecmascript)\s*$/; this.translatescript = parsescript; this.translateall = parsedocument; this.appendcompiler = function (vmimetypes, fcompiler) { if (arguments.length < 2) { throw new typeerror("rosetta.appendcompiler() \u2013 not enough arguments"); } if (typeof fcompiler !== "function") { throw new typeerror("rosetta.appendcompiler() \u2013 second argument must be a function"); } if (!array.isarray(vmimetypes)) { odicts[(vmimetypes).tostring()] = fcompiler; return true; } ...
... for (var nidx = 0; nidx < vmimetypes.length; nidx++) { odicts[(vmimetypes[nidx]).tostring()] = fcompiler; } return true; }; })(); now, imagine you need a compiler for scripts written in c (mime type: text/x-c).

NP_GetMIMEDescription - Archive of obsolete content
on windows you have to define supported mimetypes in the dll resource file.
... #include <gio/gio.h> const char* desc = g_content_type_get_description("audio/ogg"); javascript inside a web page, you can retrieve these informations with this code: var mimetype = navigator.mimetypes['application/basic-example-plugin']; if (mimetype) { alert(mimetype.type + ':' + mimetype.suffixes + ':' + mimetype.description); } ...

Adobe Flash - Archive of obsolete content
<script type="text/javascript">identifyflash();</script> typically, javascript code that determines what version of the plugin is installed looks at the mimetypes array that is part of the navigator object.
...an algorithmic approach to detecting flash plugin version might be: var plugin = navigator.mimetypes["application/x-shockwave-flash"].enabledplugin; var description = plugin.description; // 1.

Windows Media in Netscape - Archive of obsolete content
below, some of the salient points are illustrated in a code snippet: if (window.activexobject && navigator.useragent.indexof('windows') != -1) { // ie for windows object instantiation -- use of activexobject } else if(window.geckoactivexobject) { // netscape 7.1 object instantiation --use of geckoactivexobject } else if(navigator.mimetypes) { // plugin architecture, such as in netscape 4x - 7.02 and opera browsers } since ie for mac also exposes window.activexobject it is wise to determine if the browser in question is on windows.
...here is a code snippet that shows this: var player; try { if (window.activexobject) { player = new activexobject("mediaplayer.mediaplayer.1"); } else if (window.geckoactivexobject) { player = new geckoactivexobject("mediaplayer.mediaplayer.1"); } else { // plugin code using navigator.mimetypes player = navigator.mimetypes["application/x-mplayer2"].enabledplugin; } } catch(e) { // handle error -- no wmp control // download: http://www.microsoft.com/windows/windowsmedia/download/default.asp } if (player) { // windows media player control exists } currently, dynamically writing out markup using document.write after using detection mechanisms won't work owing to a bug in ne...

Plug-in Development Overview - Gecko Plugin API Reference
this information will then appear in the navigator.mimetypes dom object.
...indows registry (the plug-in-identifier should follow the specification): hklm/software/mozillaplugins/plugin-identifier descripton: reg_sz "description of the plugin" path: reg_sz "c:\..path to the plugin.dll" productname: reg_sz "the plugin name" vendor: reg_sz "the plugin author/vendor" version: reg_sz "0.5.whatever plugin version string" hklm/software/mozillaplugins/plugin-identifier/mimetypes add a sub-key for each mime type the plugin supports, with no values install to known locations on linux and mac on linux and mac, plug-ins are installed to well-known locations: linux: /usr/lib/mozilla/plugins or /usr/lib64/mozilla/plugins mac: /library/internet plug-ins or ~/library/internet plug-ins ...

Plug-in Development Overview - Plugins
this information will then appear in the navigator.mimetypes dom object.
...indows registry (the plug-in-identifier should follow the specification): hklm/software/mozillaplugins/plugin-identifier descripton: reg_sz "description of the plugin" path: reg_sz "c:\..path to the plugin.dll" productname: reg_sz "the plugin name" vendor: reg_sz "the plugin author/vendor" version: reg_sz "0.5.whatever plugin version string" hklm/software/mozillaplugins/plugin-identifier/mimetypes add a sub-key for each mime type the plugin supports, with no values install to known locations on linux and mac on linux and mac, plug-ins are installed to well-known locations: linux: /usr/lib/mozilla/plugins or /usr/lib64/mozilla/plugins mac: /library/internet plug-ins or ~/library/internet plug-ins ...

MimeTypeArray - Web APIs
this object is returned by navigatorplugins.mimetypes.
... var mimetypes = navigator.mimetype; var flashplugin = mimetypes['video/x-flv']; if (typeof flashplugin === "undefined") { var vid = document.createelement('video'); // use vid.canplaytype() to test for a supported mime type.

Index - Archive of obsolete content
on windows you have to define supported mimetypes in the dll resource file.

MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
3850 01-01-2010 00:00 defaults/profile/bookmarks.html 869 01-01-2010 00:00 defaults/profile/chrome/usercontent-example.css 1165 01-01-2010 00:00 defaults/profile/chrome/userchrome-example.css 366 01-01-2010 00:00 defaults/profile/localstore.rdf 569 01-01-2010 00:00 defaults/profile/mimetypes.rdf 76 01-01-2010 00:00 defaults/preferences/firefox-l10n.js 91656 01-01-2010 00:00 defaults/preferences/firefox.js 1593 01-01-2010 00:00 defaults/preferences/firefox-branding.js 473 01-01-2010 00:00 defaults/profile/prefs.js unlike old thunderbird 8, firefox 8 didn't include prefcalls.js in omni.jar , but other .js files though: [root@arvouin firefox]# jar ...

Compiling The npruntime Sample Plugin in Visual Studio - Archive of obsolete content
make sure the mimetypes of your html embed tags match the mimetype specified in your nprt.rc file and the top of your npp_gate.cpp file version issues if vc++ compiler throws you error c2664 on 'drawtext' function call, you may replace it by 'drawtexta'.

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
mimetypes (when css files are not applied) the most common css-related issue is that css definitions inside referenced css files are not applied.