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Bug 854299. Part 5. Make nsHelperAppDlg.promptForSaveToFileAsync actually async. r=bz

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This commit is contained in:
Felipe Gomes 2013-04-01 03:16:13 -03:00
parent a5759ed97b
commit c8a93284c0
1 changed files with 28 additions and 33 deletions
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61
toolkit/mozapps/downloads/nsHelperAppDlg.js
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@ -279,44 +279,39 @@ nsUnknownContentTypeDialog.prototype = {
.getService(Components.interfaces.nsIDownloadManager);
picker.displayDirectory = dnldMgr.userDownloadsDirectory;
// The last directory preference may not exist, which will throw.
try {
var lastDir = gDownloadLastDir.getFile(aLauncher.source);
if (isUsableDirectory(lastDir))
gDownloadLastDir.getFileAsync(aLauncher.source, function LastDirCallback(lastDir) {
if (lastDir && isUsableDirectory(lastDir))
picker.displayDirectory = lastDir;
}
catch (ex) {
}
if (picker.show() == nsIFilePicker.returnCancel) {
// null result means user cancelled.
aLauncher.saveDestinationAvailable(null);
return;
}
// Be sure to save the directory the user chose through the Save As...
// dialog as the new browser.download.dir since the old one
// didn't exist.
result = picker.file;
if (result) {
try {
// Remove the file so that it's not there when we ensure non-existence later;
// this is safe because for the file to exist, the user would have had to
// confirm that he wanted the file overwritten.
if (result.exists())
result.remove(false);
if (picker.show() == nsIFilePicker.returnCancel) {
// null result means user cancelled.
aLauncher.saveDestinationAvailable(null);
return;
}
catch (e) { }
var newDir = result.parent.QueryInterface(Components.interfaces.nsILocalFile);
// Do not store the last save directory as a pref inside the private browsing mode
gDownloadLastDir.setFile(aLauncher.source, newDir);
// Be sure to save the directory the user chose through the Save As...
// dialog as the new browser.download.dir since the old one
// didn't exist.
result = picker.file;
result = this.validateLeafName(newDir, result.leafName, null);
}
aLauncher.saveDestinationAvailable(result);
return;
if (result) {
try {
// Remove the file so that it's not there when we ensure non-existence later;
// this is safe because for the file to exist, the user would have had to
// confirm that he wanted the file overwritten.
if (result.exists())
result.remove(false);
}
catch (e) { }
var newDir = result.parent.QueryInterface(Components.interfaces.nsILocalFile);
// Do not store the last save directory as a pref inside the private browsing mode
gDownloadLastDir.setFile(aLauncher.source, newDir);
result = this.validateLeafName(newDir, result.leafName, null);
}
aLauncher.saveDestinationAvailable(result);
}.bind(this));
},
/**