commit ca8220118f1e3ac3ed190cc15f1091f285cf299a Author: Georg Koppen <gk@torproject.org> Date: Thu Sep 18 13:14:36 2014 +0000 Bug 10716: Take care of drag/drop events in ESR 31. --- src/components/external-app-blocker.js | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/src/components/external-app-blocker.js b/src/components/external-app-blocker.js index 38ddcd7..aed25ce 100644 --- a/src/components/external-app-blocker.js +++ b/src/components/external-app-blocker.js @@ -61,6 +61,7 @@ function ExternalWrapper() { var observerService = Cc["@mozilla.org/observer-service;1"]. getService(Ci.nsIObserverService); observerService.addObserver(this, "on-modify-drag-list", false); + observerService.addObserver(this, "on-datatransfer-available", false); } catch(e) { this.logger.log(5, "Failed to register drag observer"); } @@ -204,7 +205,7 @@ ExternalWrapper.prototype = }, observe: function(subject, topic, data) { - if(topic == "on-modify-drag-list") { + if (topic == "on-modify-drag-list") { this.logger.log(3, "Got drag observer event"); try { subject.QueryInterface(Ci.nsISupportsArray); @@ -213,6 +214,9 @@ ExternalWrapper.prototype = } return this.filterDragURLs(subject); + } else if (topic == "on-datatransfer-available") { + this.logger.log(3, "The DataTransfer is available"); + return this.filterDataTransferURLs(subject); } }, @@ -226,7 +230,7 @@ ExternalWrapper.prototype = .QueryInterface(Ci.nsISupportsArray); for (var f=0; f < flavors.Count(); f++) { - var flavor =flavors.GetElementAt(f); + var flavor =flavors.GetElementAt(f); flavor.QueryInterface(Ci.nsISupportsCString); this.logger.log(3, "Got drag+drop flavor: "+flavor); @@ -241,6 +245,29 @@ ExternalWrapper.prototype = } }, + filterDataTransferURLs: function(aDataTransfer) { + var types = null; + var type = ""; + var count = aDataTransfer.mozItemCount; + var len = 0; + for (var i = 0; i < count; ++i) { + this.logger.log(3, "Inspecting the data transfer: " + i); + types = aDataTransfer.mozTypesAt(i); + len = types.length; + for (var j = 0; j < len; ++j) { + type = types[j]; + this.logger.log(3, "Type is: " + type); + if (type == "text/x-moz-url" || + type == "text/x-moz-url-data" || + type == "text/uri-list" || + type == "application/x-moz-file-promise-url") { + aDataTransfer.clearData(type); + this.logger.log(3, "Removing " + type); + } + } + } + } + }; var ExternalWrapperSingleton = null;