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Bug 700034 - Wait for the view source doc to load before reading its .body.textContent when feeding an external editor. r=gavin.sharp, a=Unfocused.

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This commit is contained in:
Henri Sivonen 2011-12-12 10:53:48 +02:00
parent 5dab4a5fb1
commit e3192d032a
1 changed files with 66 additions and 55 deletions
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121
toolkit/components/viewsource/content/viewSourceUtils.js
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@ -226,66 +226,77 @@ var gViewSourceUtils = {
onStateChange: function(aProgress, aRequest, aFlag, aStatus) {
// once it's done loading...
if ((aFlag & this.mnsIWebProgressListener.STATE_STOP) && aStatus == 0) {
try {
if (!this.file) {
// it's not saved to file yet, it's in the webshell
// get a temporary filename using the attributes from the data object that
// openInExternalEditor gave us
this.file = gViewSourceUtils.getTemporaryFile(this.data.uri, this.data.doc,
this.data.doc.contentType);
// we have to convert from the source charset.
var webNavigation = this.webShell.QueryInterface(Components.interfaces.nsIWebNavigation);
var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
.createInstance(Components.interfaces.nsIFileOutputStream);
foStream.init(this.file, 0x02 | 0x08 | 0x20, 0664, 0); // write | create | truncate
var coStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Components.interfaces.nsIConverterOutputStream);
coStream.init(foStream, this.data.doc.characterSet, 0, null);
// write the source to the file
coStream.writeString(webNavigation.document.body.textContent);
// clean up
coStream.close();
foStream.close();
// register the file to be deleted on app exit
Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"]
.getService(Components.interfaces.nsPIExternalAppLauncher)
.deleteTemporaryFileOnExit(this.file);
}
// Determine the command line arguments to pass to the editor.
// We currently support a %LINE% placeholder which is set to the passed
// line number (or to 0 if there's none)
var editorArgs = [];
var prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
var args = prefs.getCharPref("view_source.editor.args");
if (args) {
args = args.replace("%LINE%", this.data.lineNumber || "0");
// add the arguments to the array (keeping quoted strings intact)
const argumentRE = /"([^"]+)"|(\S+)/g;
while (argumentRE.test(args))
editorArgs.push(RegExp.$1 || RegExp.$2);
}
editorArgs.push(this.file.path);
this.editor.runw(false, editorArgs, editorArgs.length);
gViewSourceUtils.handleCallBack(this.callBack, true, this.data);
} catch (ex) {
// we failed loading it with the external editor.
Components.utils.reportError(ex);
gViewSourceUtils.handleCallBack(this.callBack, false, this.data);
} finally {
this.destroy();
var webNavigation = this.webShell.QueryInterface(Components.interfaces.nsIWebNavigation);
if (webNavigation.document.readyState == "complete") {
// This branch is probably never taken. Including it for completeness.
this.onContentLoaded();
} else {
webNavigation.document.addEventListener("DOMContentLoaded",
this.onContentLoaded.bind(this));
}
}
return 0;
},
onContentLoaded: function() {
try {
if (!this.file) {
// it's not saved to file yet, it's in the webshell
// get a temporary filename using the attributes from the data object that
// openInExternalEditor gave us
this.file = gViewSourceUtils.getTemporaryFile(this.data.uri, this.data.doc,
this.data.doc.contentType);
// we have to convert from the source charset.
var webNavigation = this.webShell.QueryInterface(Components.interfaces.nsIWebNavigation);
var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
.createInstance(Components.interfaces.nsIFileOutputStream);
foStream.init(this.file, 0x02 | 0x08 | 0x20, 0664, 0); // write | create | truncate
var coStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Components.interfaces.nsIConverterOutputStream);
coStream.init(foStream, this.data.doc.characterSet, 0, null);
// write the source to the file
coStream.writeString(webNavigation.document.body.textContent);
// clean up
coStream.close();
foStream.close();
// register the file to be deleted on app exit
Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"]
.getService(Components.interfaces.nsPIExternalAppLauncher)
.deleteTemporaryFileOnExit(this.file);
}
// Determine the command line arguments to pass to the editor.
// We currently support a %LINE% placeholder which is set to the passed
// line number (or to 0 if there's none)
var editorArgs = [];
var prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
var args = prefs.getCharPref("view_source.editor.args");
if (args) {
args = args.replace("%LINE%", this.data.lineNumber || "0");
// add the arguments to the array (keeping quoted strings intact)
const argumentRE = /"([^"]+)"|(\S+)/g;
while (argumentRE.test(args))
editorArgs.push(RegExp.$1 || RegExp.$2);
}
editorArgs.push(this.file.path);
this.editor.runw(false, editorArgs, editorArgs.length);
gViewSourceUtils.handleCallBack(this.callBack, true, this.data);
} catch (ex) {
// we failed loading it with the external editor.
Components.utils.reportError(ex);
gViewSourceUtils.handleCallBack(this.callBack, false, this.data);
} finally {
this.destroy();
}
},
onLocationChange: function() {return 0;},
onProgressChange: function() {return 0;},
onStatusChange: function() {return 0;},