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Use temp files rather than URL arguments for :viewsource!. Also update the statusline on :redraw and add an XPCOM shim class for pseudo-XPCOM objects.

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This commit is contained in:
Kris Maglione
2010-10-03 13:44:37 -04:00
parent cbed89d8ba
commit 72b6af3e6b
8 changed files with 123 additions and 25 deletions
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91
common/content/buffer.js
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@@ -932,11 +932,12 @@ const Buffer = Module("buffer", {
* @param {boolean} useExternalEditor View the source in the external editor.
*/
viewSource: function (url, useExternalEditor) {
url = url || buffer.URI;
let doc = tabs.localStore.focusedFrame.document;
if (useExternalEditor)
editor.editFileExternally(url);
this.viewSourceExternally(url || doc);
else {
url = url || doc.location.href;
const PREFIX = "view-source:";
if (url.indexOf(PREFIX) == 0)
url = url.substr(PREFIX.length);
@@ -951,6 +952,92 @@ const Buffer = Module("buffer", {
}
},
/**
* Launches an editor to view the source of the given document. The
* contents of the document are saved to a temporary local file and
* removed when the editor returns. This function returns
* immediately.
*
* @param {Document} doc The document to view.
*/
/*
* Derived from code in Mozilla, ©2005 Jason Barnabe,
* Tri-licensed under MPL 1.1/GPL 2.0/LGPL 2.1
* Portions copyright Kris Maglione licensable under the
* MIT license.
*/
viewSourceExternally: Class("viewSourceExternally",
XPCOM([Ci.nsIWebProgressListener, Ci.nsISupportsWeakReference]), {
init: function (doc) {
let url = isString(doc) ? doc : doc.location.href;
let charset = isString(doc) ? null : doc.characterSet;
let webNav = window.getWebNavigation();
try {
webNav = doc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(nsIWebNavigation);
}
catch (e) {}
let descriptor = null;
try {
descriptor = webNav.QueryInterface(Ci.nsIWebPageDescriptor).currentDescriptor;
}
catch (e) {}
let uri = util.newURI(url, charset);
if (uri.scheme == "file")
editor.editFileExternally(uri.QueryInterface(Ci.nsIFileURL).file.path);
else {
if (descriptor) {
// we'll use nsIWebPageDescriptor to get the source because it may
// not have to refetch the file from the server
// XXXbz this is so broken... This code doesn't set up this docshell
// at all correctly; if somehow the view-source stuff managed to
// execute script we'd be in big trouble here, I suspect.
this.docShell = Cc["@mozilla.org/docshell;1"].createInstance(Ci.nsIBaseWindow)
.QueryInterface(Ci.nsIWebNavigation).QueryInterface(Ci.nsIWebPageDescriptor)
.QueryInterface(Ci.nsIWebProgress);
this.docShell.create();
this.docShell.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
this.docShell.loadPage(descriptor, Ci.nsIWebPageDescriptor.DISPLAY_AS_SOURCE);
}
else {
this.file = io.createTempFile();
var webBrowserPersist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
.createInstance(Ci.nsIWebBrowserPersist);
webBrowserPersist.persistFlags = Ci.nsIWebBrowserPersist.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
webBrowserPersist.progressListener = this;
webBrowserPersist.saveURI(uri, null, null, null, null, this.file);
}
}
return null;
},
destroy: function() {
if (this.docShell)
this.docShell.destroy();
},
onStateChange: function(progress, request, flag, status) {
// once it's done loading...
if ((flag & Ci.nsIWebProgressListener.STATE_STOP) && status == 0) {
try {
if (this.docShell) {
this.file = io.createTempFile();
this.file.write(this.docShell.document.body.textContent);
}
editor.editFileExternally(this.file.path);
this.file.remove(false);
}
finally {
this.destroy();
}
}
return 0;
}
}),
/**
* Increases the zoom level of the current buffer.
*