I have an addon I wrote that uses an XPCom binary component. It will not load in Firefox 4? What do I need to do keep it working? How do I keep it up to date in the future?
Hey Guys,
There are a few related questions here. Let's start here:
1. I have an add on I wrote for my company and it loads and works great on previous versions of Firefox but just stopped working with Firefox 4. Now with the latest version it seems my c++ binary xp com component is not loading. I get this unhelpful error:
TypeError: Components.classes[cid] is undefined
What do I have to do to get this working with both Firefox 4 and previous versions?
2. We have a shipping product that people install as part of that installation we install this add in. What is the correct way to install the addin to support multiple versions of firefox.
3. Over time new versions of Firefox will be developed and could break our users if something like this happens again. What is the best way for our users to be able to auto update this add on?
I got my real add-on work on FF4 now. Here is what needs to do (on VS2005)
In project property<br>
C++<br>
General/Additional Include Directories - xulrunner-2.0.en-US.win32.sdk\xulrunner-sdk\include<br>
Preprocessor/Preprocessor Definitions - MOZ_NO_MOZALLOC;XP_WIN;XP_WIN32
Linker<br>
General/Additional Library Directories - xulrunner-2.0.en-US.win32.sdk\xulrunner-sdk\lib<br>
Input/Additonal Dependencies- nspr4.lib xpcom.lib xpcomglue_s_nomozalloc.lib
Update module cpp by following the sample<br>
http://mxr.mozilla.org/mozilla-central/source/xpcom/sample/nsSampleModule.cpp
Add two extra directives on chrome.manifest<br>
interfaces <path/to/your/xpt><br>
binary-component <path/to/your/dll>
Add unpack property to install.rdf if needed
https://developer.mozilla.org/en/Install_Manifests#unpack
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In project property<br>
C++<br>
General/Additional Include Directories - xulrunner-2.0.en-US.win32.sdk\xulrunner-sdk\include<br>
Preprocessor/Preprocessor Definitions - MOZ_NO_MOZALLOC;XP_WIN;XP_WIN32
Linker<br>
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