加载项生成器:ContentScript并返回到插件代码? [英] Add-on Builder: ContentScript and back to Addon code?
问题描述
$ b main.js:
var widgets = require(widget);
var tabs = require(tabs);
var data = require(self)。data;
var widget = widgets.Widget({
id:div-show,
label:显示div,
contentURL:http:// www.mozilla.org/favicon.ico,
onClick:function(){
tabs.activeTab.attach({
contentScriptFile:[data.url(jquery.js), data.url(myScript.js)]
});
}
});
myScript.js
var first = $(。avatar:first);
var url = first.attr(href);
现在我遇到了如何让url变量传递回main.js,在新标签页中打开网址。从myScript.js中,我无法访问main.js中声明的tabs对象。
当然! attach方法返回一个你可以用来设置一个事件处理器的工作者实例:
// main.js
var widgets = require(widget);
var tabs = require(tabs);
var data = require(self)。data;
var widget = widgets.Widget({
id:div-show,
label:显示div,
contentURL:http:// (){
var worker = tabs.activeTab.attach({
contentScriptFile:[data.url(jquery.js ),data.url(myScript.js)]
});
worker.port.on('got-url',函数(数据){
tabs.open data.url);
});
}
});
// myScript.js脚本:
var first = $(。avatar:first);
var url = first.attr(href);
self.port.emit('got-url',{url:url});
有关更多信息,请参阅附加方法的文档:
...以及内容脚本指南:
警告:代码,但它应该工作。
I'm using the Firefox Add-on Builder and here is what I have so far:
main.js:
var widgets = require("widget");
var tabs = require("tabs");
var data = require("self").data;
var widget = widgets.Widget({
id: "div-show",
label: "Show divs",
contentURL: "http://www.mozilla.org/favicon.ico",
onClick: function() {
tabs.activeTab.attach({
contentScriptFile: [data.url("jquery.js"), data.url("myScript.js")]
});
}
});
myScript.js
var first = $(".avatar:first");
var url = first.attr("href");
Now I'm stuck on how to have the url variable passed back to main.js so it can open the url in a new tab. From myScript.js I don't have access to the tabs object declared in main.js.
Sure! The attach method returns a worker instance that you can use to set up an event handler:
// main.js
var widgets = require("widget");
var tabs = require("tabs");
var data = require("self").data;
var widget = widgets.Widget({
id: "div-show",
label: "Show divs",
contentURL: "http://www.mozilla.org/favicon.ico",
onClick: function() {
var worker = tabs.activeTab.attach({
contentScriptFile: [data.url("jquery.js"), data.url("myScript.js")]
});
worker.port.on('got-url', function(data) {
tabs.open(data.url);
});
}
});
// myScript.js script:
var first = $(".avatar:first");
var url = first.attr("href");
self.port.emit('got-url', {url: url});
For more on this, see the docs for the attach method:
...as well as the content scripts guide:
Caveat: haven't run this code, but it should work.
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