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Merge pull request #2309 from brendandahl/forward-original-request

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Forward original request to avoid firefox assertion.
This commit is contained in:
Yury Delendik 2012-10-25 12:29:22 -07:00
commit 8cdb683b80
1 changed files with 21 additions and 10 deletions
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31
extensions/firefox/components/PdfStreamConverter.js
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@ -95,7 +95,9 @@ function log(aMsg) {
}
function getDOMWindow(aChannel) {
var requestor = aChannel.notificationCallbacks;
var requestor = aChannel.notificationCallbacks ?
aChannel.notificationCallbacks :
aChannel.loadGroup.notificationCallbacks;
var win = requestor.getInterface(Components.interfaces.nsIDOMWindow);
return win;
}
@ -591,6 +593,8 @@ PdfStreamConverter.prototype = {
// Cancel the request so the viewer can handle it.
aRequest.cancel(Cr.NS_BINDING_ABORTED);
}
// Change the content type so we don't get stuck in a loop.
aRequest.contentType = 'text/html';
// Create a new channel that is viewer loaded as a resource.
var ioService = Services.io;
@ -598,17 +602,20 @@ PdfStreamConverter.prototype = {
PDF_VIEWER_WEB_PAGE, null, null);
var listener = this.listener;
var self = this;
// Proxy all the request observer calls, when it gets to onStopRequest
// we can get the dom window.
// we can get the dom window. We also intentionally pass on the original
// request(aRequest) below so we don't overwrite the original channel and
// trigger an assertion.
var proxy = {
onStartRequest: function() {
listener.onStartRequest.apply(listener, arguments);
onStartRequest: function(request, context) {
listener.onStartRequest(aRequest, context);
},
onDataAvailable: function() {
listener.onDataAvailable.apply(listener, arguments);
onDataAvailable: function(request, context, inputStream, offset, count) {
listener.onDataAvailable(aRequest, context, inputStream, offset, count);
},
onStopRequest: function() {
onStopRequest: function(request, context, statusCode) {
// We get the DOM window here instead of before the request since it
// may have changed during a redirect.
var domWindow = getDOMWindow(channel);
// Double check the url is still the correct one.
if (domWindow.document.documentURIObject.equals(aRequest.URI)) {
@ -624,14 +631,17 @@ PdfStreamConverter.prototype = {
chromeWindow);
findEventManager.bind();
}
} else {
log('Dom window url did not match request url.');
}
listener.onStopRequest.apply(listener, arguments);
listener.onStopRequest(aRequest, context, statusCode);
}
};
// Keep the URL the same so the browser sees it as the same.
channel.originalURI = aRequest.URI;
channel.asyncOpen(proxy, aContext);
channel.loadGroup = aRequest.loadGroup;
if (useFetchByChrome) {
// We can use resource principal when data is fetched by the chrome
// e.g. useful for NoScript
@ -645,6 +655,7 @@ PdfStreamConverter.prototype = {
securityManager.getCodebasePrincipal(uri);
channel.owner = resourcePrincipal;
}
channel.asyncOpen(proxy, aContext);
},
// nsIRequestObserver::onStopRequest