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Fix for bug 571159 (Leak nsGlobalWindow with unknown-content-type dialog). r=sdwilsh. a2.0=blocking.

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This commit is contained in:
Peter Van der Beken 2010-07-30 16:48:57 -07:00
parent e0b8d226cd
commit ca73bb6e12
1 changed files with 60 additions and 59 deletions
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119
toolkit/mozapps/downloads/nsHelperAppDlg.js
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@ -61,6 +61,64 @@ function isUsableDirectory(aDirectory)
aDirectory.isWritable();
}
// Web progress listener so we can detect errors while mLauncher is
// streaming the data to a temporary file.
function nsUnkownContentTypeDialogProgressListener(aHelperAppDialog) {
this.helperAppDlg = aHelperAppDialog;
}
nsUnkownContentTypeDialogProgressListener.prototype = {
// nsIWebProgressListener methods.
// Look for error notifications and display alert to user.
onStatusChange: function( aWebProgress, aRequest, aStatus, aMessage ) {
if ( aStatus != Components.results.NS_OK ) {
// Get prompt service.
var prompter = Components.classes[ "@mozilla.org/embedcomp/prompt-service;1" ]
.getService( Components.interfaces.nsIPromptService );
// Display error alert (using text supplied by back-end).
// FIXME this.dialog is undefined?
prompter.alert( this.dialog, this.helperAppDlg.mTitle, aMessage );
// Close the dialog.
this.helperAppDlg.onCancel();
if ( this.helperAppDlg.mDialog ) {
this.helperAppDlg.mDialog.close();
}
}
},
// Ignore onProgressChange, onProgressChange64, onStateChange, onLocationChange, onSecurityChange, and onRefreshAttempted notifications.
onProgressChange: function( aWebProgress,
aRequest,
aCurSelfProgress,
aMaxSelfProgress,
aCurTotalProgress,
aMaxTotalProgress ) {
},
onProgressChange64: function( aWebProgress,
aRequest,
aCurSelfProgress,
aMaxSelfProgress,
aCurTotalProgress,
aMaxTotalProgress ) {
},
onStateChange: function( aWebProgress, aRequest, aStateFlags, aStatus ) {
},
onLocationChange: function( aWebProgress, aRequest, aLocation ) {
},
onSecurityChange: function( aWebProgress, aRequest, state ) {
},
onRefreshAttempted: function( aWebProgress, aURI, aDelay, aSameURI ) {
return true;
}
};
///////////////////////////////////////////////////////////////////////////////
//// nsUnkownContentTypeDialog
@ -154,8 +212,8 @@ nsUnknownContentTypeDialog.prototype = {
this.getSpecialFolderKey = this.mDialog.getSpecialFolderKey;
// Watch for error notifications.
this.progressListener.helperAppDlg = this;
this.mLauncher.setWebProgressListener(this.progressListener);
var progressListener = new nsUnkownContentTypeDialogProgressListener(this);
this.mLauncher.setWebProgressListener(progressListener);
},
// promptForSaveToFile: Display file picker dialog and return selected file.
@ -342,63 +400,6 @@ nsUnknownContentTypeDialog.prototype = {
// ---------- implementation methods ----------
// Web progress listener so we can detect errors while mLauncher is
// streaming the data to a temporary file.
progressListener: {
// Implementation properties.
helperAppDlg: null,
// nsIWebProgressListener methods.
// Look for error notifications and display alert to user.
onStatusChange: function( aWebProgress, aRequest, aStatus, aMessage ) {
if ( aStatus != Components.results.NS_OK ) {
// Get prompt service.
var prompter = Components.classes[ "@mozilla.org/embedcomp/prompt-service;1" ]
.getService( Components.interfaces.nsIPromptService );
// Display error alert (using text supplied by back-end).
prompter.alert( this.dialog, this.helperAppDlg.mTitle, aMessage );
// Close the dialog.
this.helperAppDlg.onCancel();
if ( this.helperAppDlg.mDialog ) {
this.helperAppDlg.mDialog.close();
}
}
},
// Ignore onProgressChange, onProgressChange64, onStateChange, onLocationChange, onSecurityChange, and onRefreshAttempted notifications.
onProgressChange: function( aWebProgress,
aRequest,
aCurSelfProgress,
aMaxSelfProgress,
aCurTotalProgress,
aMaxTotalProgress ) {
},
onProgressChange64: function( aWebProgress,
aRequest,
aCurSelfProgress,
aMaxSelfProgress,
aCurTotalProgress,
aMaxTotalProgress ) {
},
onStateChange: function( aWebProgress, aRequest, aStateFlags, aStatus ) {
},
onLocationChange: function( aWebProgress, aRequest, aLocation ) {
},
onSecurityChange: function( aWebProgress, aRequest, state ) {
},
onRefreshAttempted: function( aWebProgress, aURI, aDelay, aSameURI ) {
return true;
}
},
// initDialog: Fill various dialog fields with initial content.
initDialog : function() {
// Put file name in window title.