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Some of the changes and proposals from Lloyd, simplification of the m…
…ain.js to not work with Firefox, only xulrunner. Also, a new content-window-nobrowser.js implementation which does not use a toplevel browser -- this enabled the ui/browser-session example to work. Notice the browser-session <browser /> tag uses an under implementation xul:tabbrowser but thing that this is a one browser app. It's the developer interface here that matters, we may revisit the under implementation later -- perhaps even an enhanced modified iframe -- another discussion.
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137 changes: 137 additions & 0 deletions
137
impl/packages/chromeless/packages/chromeless-kit/lib/content-window-nobrowser.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| let {Cc, Ci} = require("chrome"); | ||
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| var xpcom = require("xpcom"); | ||
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| var xulNs = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"; | ||
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| var blankXul = ('<?xml version="1.0"?>' + | ||
| '<?xml-stylesheet href="chrome://global/skin/" ' + | ||
| ' type="text/css"?>' + | ||
| '<window xmlns="' + xulNs + '">' + | ||
| '</window>'); | ||
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| function Injector(browser, onStartLoad) { | ||
| memory.track(this); | ||
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| browser.addProgressListener(this, | ||
| Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT); | ||
| this._onStartLoad = onStartLoad; | ||
| } | ||
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| Injector.prototype = { | ||
| QueryInterface : xpcom.utils.generateQI([Ci.nsIWebProgressListener, | ||
| Ci.nsISupportsWeakReference]), | ||
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| // Taken from Firebug' content/firebug/tabWatcher.js. | ||
| _safeGetName: function(request) { | ||
| try { | ||
| return request.name; | ||
| } catch (exc) { | ||
| return null; | ||
| } | ||
| }, | ||
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| // Much of this is taken from Firebug's content/firebug/tabWatcher.js, | ||
| // specifically the FrameProgressListener object. | ||
| onStateChange : function (aWebProgress, aRequest, | ||
| aStateFlags, aStatus) { | ||
| if (aStateFlags & Ci.nsIWebProgressListener.STATE_IS_REQUEST) { | ||
| // We need to get the hook in as soon as the new DOMWindow is | ||
| // created, but before it starts executing any scripts in the | ||
| // page. After lengthy analysis, it seems that the start of | ||
| // these "dummy" requests is the only state that works. | ||
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| // TODO: Firebug's code mentions that XHTML doesn't dispatch | ||
| // any of these dummy requests, so we should probably use the | ||
| // Firebug's XHTML workaround here. | ||
| var safeName = this._safeGetName(aRequest); | ||
| var window = aWebProgress.DOMWindow; | ||
| if (window && window.wrappedJSObject && | ||
| (safeName == "about:layout-dummy-request" || | ||
| safeName == "about:document-onload-blocker")) { | ||
| // TODO: Firebug's code mentions that about:blank causes strange | ||
| // behavior here; I don't think it should apply to our use case, | ||
| // though. | ||
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| try { | ||
| this._onStartLoad.call(undefined, window); | ||
| } catch (e) { | ||
| console.exception(e); | ||
| } | ||
| } | ||
| } | ||
| }, | ||
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| // Stubs for the nsIWebProgressListener interfaces which we don't use. | ||
| onProgressChange : function() { }, | ||
| onLocationChange : function() { }, | ||
| onStatusChange : function() { }, | ||
| onSecurityChange : function() { } | ||
| }; | ||
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| var windows = []; | ||
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| function Window(options) { | ||
| memory.track(this); | ||
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| var ww = Cc["@mozilla.org/embedcomp/window-watcher;1"] | ||
| .getService(Ci.nsIWindowWatcher); | ||
| var url = "data:application/vnd.mozilla.xul+xml," + escape(blankXul); | ||
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| var features = ["", | ||
| "width=" + options.width, | ||
| "height=" + options.height, | ||
| "centerscreen"]; | ||
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| if (options.titleBar == false) | ||
| features.push("titlebar=no"); | ||
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| /* We now pass the options.url, which is the user app directly | ||
| inserting it in the window, instead using the xul browser element | ||
| that was here. This helped to make the session history work. | ||
| */ | ||
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| var window = ww.openWindow(null, options.url, null, features.join(","), null); | ||
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| this._id = windows.push(this) - 1; | ||
| this._window = window; | ||
| this._browser = null; | ||
| this._injector = null; | ||
| this.options = options; | ||
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| window.addEventListener("close", this, false); | ||
| window.addEventListener("DOMContentLoaded", this, false); | ||
| } | ||
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| Window.prototype = { | ||
| handleEvent: function handleEvent(event) { | ||
| switch (event.type) { | ||
| case "close": | ||
| if (event.target == this._window) { | ||
| if (windows[this._id]) | ||
| delete windows[this._id]; | ||
| this._window.removeEventListener("close", this, false); | ||
| } | ||
| break; | ||
| case "DOMContentLoaded": | ||
| console.log("!"); | ||
| if (event.target == this._window.document) { | ||
| this._window.removeEventListener("DOMContentLoaded", this, false); | ||
| this.options.onStartLoad(this._window); | ||
| } | ||
| break; | ||
| } | ||
| }, | ||
| close: function() { | ||
| this._window.close(); | ||
| } | ||
| }; | ||
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| require("errors").catchAndLogProps(Window.prototype, "handleEvent"); | ||
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| exports.Window = Window; | ||
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| require("unload").when( | ||
| function() { | ||
| windows.slice().forEach(function(window) { window.close(); }); | ||
| }); |
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