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Questions tagged [gecko]

An open source browser engine developed by Mozilla and used in browsers such as Firefox, Seamonkey and others

Gecko is an open source browser engine developed by Mozilla and used in browsers such as Firefox, Seamonkey and others.

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561 questions
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Does GeckoView for Android provide a Javascript interface/callback?

Since the WebView implementation on Android depends on the Android version and the manufacturer (Samsung and other manufacturers apply their own patches to it), I'd like to provide my own rendering engine for my Android app to reduce QA overhead and…
bluebamboo
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How do I use Mono.WebBrowser?

I read through this page twice http://www.mono-project.com/WebBrowser yet I have no clue how to use it. There's no assembly nor can I type using Mono.WebBrowser. Using it directly also causes an error because it's not found. Do I need some separate…
Tower
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How do you programmatically determine to which events an HTML object can listen for?

I've been looking over the docs at developer.mozilla.org and the Apple dev docs but I'm not able to find documentation that explains whether or not you can programatically determine if a specific HTML tag supports a given eventListener. Like I know…
tkone
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Detect Firefox IndexedDB or Web Storage storage limit, without filling up the disk?

I'd like to use IndexedDB to process a lot of data. Too much data to fit in memory. To do this, I would like to use Firefox's IndexedDB persistent storage, which allows me to store more than 2GB worth of data (Firefox apparently has a limit of 2GB…
Alexander O'Mara
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Gecko build failed error : Could not find autoconf 2.13., but autoconf already installed

I am trying to build Gecko Code, Which I have clone from Github : git clone https://github.com/mozilla/gecko-dev.git and I am getting autoconf 2.13 not found error, Which already installed in my Mac Machine: Tom-Swayer:gecko-dev vmishra$ autoconf…
Vinay Mishra
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Thunderbird 31.6 removes doctype

I have the problem that Thunderbird version 31.6.0 seemingly removes or ignores my declaration. This becomes a problem when a is rendered that has a set height and additional padding-top or padding-bottom. Normally, you would…
Horen
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Any articles on how to get started building your own browser?

Hello recently I've been a bit curious and wanted to make a browser. I'd like to use an existing engine though such as Gecko or Webkit. Are there any resources on the web for how to get started and any examples? Language choice doesn't really…
Earlz
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Disappearing CSS table cell borders in Gecko-based browsers

I have a very specific html table construct that seems to reveal a Gecko bug. Here's a distilled version of the problem. Observe the following table in a gecko-based browser (FF, for example): (you'll have to copy and paste this into a new…
Aaron
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Constant declaration with block

Recently I was looking into Firefox Add-on Builder SDK sources, and stumbled on such constants declaration: const { getCodeForKey, toJSON } = require("../../keyboard/utils"); I could find information about CommonJS Modules, but left part of this…
Nash Bridges
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How do I embed Gecko using gecko-sharp on Mono/Windows?

Gecko is the rendering engine for Firefox. Using gecko-sharp it is possible to embed it to any Mono/GTK# program. There is a sample application called GladeSharpBrowser for doing this. I could manage to build it using a modified project file, but it…
Kalevi
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Turn off “unreachable code after return statement” warning

In JavaScript development, I frequently return from execution to have an inartificial breakpoint: var args = arguments; return console.log(args); // debug criticalProcessing(args); Chrome and others are okay with it, but unfortunately for debugging…
dakab
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Trouble loading an NPAPI plugin in Mac app

I'm working on a standalone daemon executable that needs to load an existing third party NPAPI plugin on a host machine. What I want to do is render the generated views from the plugin to a texture/surface. It needs to work on both Mac and Windows,…
Charles
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Retrieve parent node from selection (range) in Gecko and Webkit

I am trying to add an attribute when using a wysiwyg editor that uses "createLink" command. I thought it would be trivial to get back the node that is created after the browse executes that command. Turns out, I am only able to grab this newly…
Jason
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link element prefetching not working in Firefox 3.6

I am trying to test prefetching on Firefox 3.6. I'm using: I don't see any requests in Firebug's Net panel. When I look at the Apache 2 logs, I see only the page request, nothing after. I don't see the…
Geuis
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Finding out where a browser would insert page breaks when printing

I'm trying to figure out where a browser, specifically firefox or chrome, would insert page breaks when printing or print previewing an HTML document. For now I do not want to avoid the breaks, nor do I want to define where exactly to put a break.…
curiosity
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