Review Request 116559: Provide a proxy javascript can call to say when its finished initialising its part of the AdiumThemeView. Fixes 325183

[Diane Trout]

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https://git.reviewboard.kde.org/r/116559/
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(Updated March 3, 2014, 12:47 p.m.)


Review request for Telepathy.


Changes
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This gets rid of the introducded "setupEnvironment" function in favor of just directly calling AdiumThemeViewProxy.viewReady() from the onLoad event. To protect against a Template not emitting the signal it makes an effort to checks that the call is listed in the event body. All it does is makes an annoying error message box saying the template.html file is wrong (as it pops up each time AdiumThemeView::initialise is called). 

The few Adium themes I looked at didn't seem to provide a Template.html, so I thought the overriding the Template.html is a fairly rare use case.


Bugs: 325183
    http://bugs.kde.org/show_bug.cgi?id=325183


Repository: ktp-text-ui


Description
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What I discovered is that occasionally the AdiumThemeView will fire its loadFinished event before the body has finished loading. (which also means that some of the javascript functions don't get defined as they're created from the onLoad property of body.

What this patch does is injects a small proxy QObject (AdiumThemeViewProxy) into the javascript environment in AdiumThemeView::injectProxyIntoJavascript(). The proxy gives javascript access to a signal that it can call at the end of a new "configureEnvironment" javascript function. 

I added the new function instead of adding the signal to the end of the current initStyles functions because that appears to be overridable by some of the themes.

Also since this now lets you definitavely know that javascript is ready to append your messages, I removed some extra sendDemoMessages calls. 

I'm not sure what happens if a theme tries to override data/Template.html though.

Also I stuck AdiumThemeViewProxy in with the AdiumThemeView because it seemed small and tightly coupled with AdiumThemeView. However it seems like the convention is every class gets its own .h/.cpp file. So that might need to be fixed.


Diffs (updated)
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  lib/adium-theme-view.cpp 635a877 
  lib/adium-theme-view.h 8d17f9d 
  data/Template.html 6549479 
  config/appearance-config-tab.cpp ffef4f6 

Diff: https://git.reviewboard.kde.org/r/116559/diff/


Testing
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Set message style to Renkoo for both normal chat and group chat.

closed ktp-text-ui. 
reloaded ktp-text-ui. 
loaded configuration dialog. Clicked on both tabs. checked that they both rendered
close configuration dialog.
repeat opening the configuration dialog box and checking both tabs a few times.

Before the patch usually at least one of the tabs wouldn't render. It was somewhat random which one wouldn't render, and occasionally they both would render correctly.

I tried multiple times post patch and have yet to see it fail.


Thanks,

Diane Trout

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