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Add fallback option for the extension.

This commit is contained in:
Brendan Dahl 2012-05-08 13:05:33 -07:00
parent 80728f7acd
commit 982c7a0f7e
3 changed files with 51 additions and 3 deletions

View file

@ -16,6 +16,7 @@ const MAX_DATABASE_LENGTH = 4096;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
Cu.import('resource://gre/modules/Services.jsm');
Cu.import('resource://gre/modules/NetUtil.jsm');
let application = Cc['@mozilla.org/fuel/application;1']
.getService(Ci.fuelIApplication);
@ -45,6 +46,41 @@ ChromeActions.prototype = {
download: function(data) {
Services.wm.getMostRecentWindow('navigator:browser').saveURL(data);
},
fallback: function(data) {
let mimeService = Cc['@mozilla.org/mime;1'].getService(Ci.nsIMIMEService);
var handlerInfo = mimeService.
getFromTypeAndExtension('application/pdf', 'pdf');
var uri = NetUtil.newURI(data);
var filename = Services.wm.getMostRecentWindow('navigator:browser').
getDefaultFileName('document.pdf', uri);
// Create a temporary file to output to.
var file = Cc['@mozilla.org/file/directory_service;1'].
getService(Ci.nsIProperties).
get('TmpD', Ci.nsIFile);
file.append(filename);
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt('0666', 8));
var ostream = Cc['@mozilla.org/network/file-output-stream;1'].
createInstance(Ci.nsIFileOutputStream);
ostream.init(file, -1, -1, 0);
// Fetch the file and once it's ready attempt to open it with the system's
// default pdf handler.
NetUtil.asyncFetch(uri, function(istream, aResult) {
if (!Components.isSuccessCode(aResult)) {
log('Error: Fetching file failed with code ' + aResult);
return;
}
NetUtil.asyncCopy(istream, ostream, function(aResult) {
if (!Components.isSuccessCode(aResult)) {
log('Error: Copying file failed with code: ' + aResult);
return;
}
handlerInfo.preferredAction = Ci.nsIHandlerInfo.useSystemDefault;
handlerInfo.launchWithFile(file);
});
});
},
setDatabase: function(data) {
if (this.inPrivateBrowswing)
return;