The Tor Browser / file comparison
comparison: dom/activities/src/ActivityWrapper.js
dom/activities/src/ActivityWrapper.js
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
equal
deleted
inserted
replaced
| -1:000000000000 | 0:190e7d169adb |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 "use strict"; | |
| 6 | |
| 7 const Cc = Components.classes; | |
| 8 const Ci = Components.interfaces; | |
| 9 const Cu = Components.utils; | |
| 10 | |
| 11 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 12 Cu.import("resource://gre/modules/Services.jsm"); | |
| 13 | |
| 14 XPCOMUtils.defineLazyServiceGetter(this, "cpmm", | |
| 15 "@mozilla.org/childprocessmessagemanager;1", | |
| 16 "nsISyncMessageSender"); | |
| 17 | |
| 18 function debug(aMsg) { | |
| 19 //dump("-- ActivityWrapper.js " + Date.now() + " : " + aMsg + "\n"); | |
| 20 } | |
| 21 | |
| 22 /** | |
| 23 * nsISystemMessagesWrapper implementation. Will return a | |
| 24 * nsIDOMMozActivityRequestHandler | |
| 25 */ | |
| 26 function ActivityWrapper() { | |
| 27 debug("ActivityWrapper"); | |
| 28 } | |
| 29 | |
| 30 ActivityWrapper.prototype = { | |
| 31 wrapMessage: function wrapMessage(aMessage, aWindow) { | |
| 32 debug("Wrapping " + JSON.stringify(aMessage)); | |
| 33 | |
| 34 // This message is useful to communicate that the activity message has been | |
| 35 // properly received by the app. If the app will be killed, the | |
| 36 // ActivitiesService will be able to fire an error and complete the | |
| 37 // Activity workflow. | |
| 38 cpmm.sendAsyncMessage("Activity:Ready", { id: aMessage.id }); | |
| 39 | |
| 40 let handler = new aWindow.ActivityRequestHandler(aMessage.id, aMessage.payload); | |
| 41 | |
| 42 // When the activity window is closed, fire an error to notify the activity | |
| 43 // caller of the situation. | |
| 44 // We don't need to check whether the activity itself already sent | |
| 45 // back something since ActivitiesService.jsm takes care of that. | |
| 46 let util = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) | |
| 47 .getInterface(Ci.nsIDOMWindowUtils); | |
| 48 let innerWindowID = util.currentInnerWindowID; | |
| 49 | |
| 50 let observer = { | |
| 51 observe: function(aSubject, aTopic, aData) { | |
| 52 | |
| 53 switch (aTopic) { | |
| 54 case 'inner-window-destroyed': | |
| 55 let wId = aSubject.QueryInterface(Ci.nsISupportsPRUint64).data; | |
| 56 if (wId == innerWindowID) { | |
| 57 debug("Closing activity window " + innerWindowID); | |
| 58 Services.obs.removeObserver(observer, "inner-window-destroyed"); | |
| 59 cpmm.sendAsyncMessage("Activity:PostError", | |
| 60 { id: aMessage.id, | |
| 61 error: "ActivityCanceled" | |
| 62 }); | |
| 63 } | |
| 64 break; | |
| 65 case 'activity-error': | |
| 66 case 'activity-success': | |
| 67 if (aData !== aMessage.id) { | |
| 68 return; | |
| 69 } | |
| 70 Services.obs.removeObserver(observer, "activity-error"); | |
| 71 Services.obs.removeObserver(observer, "activity-success"); | |
| 72 let docshell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) | |
| 73 .getInterface(Ci.nsIWebNavigation); | |
| 74 Services.obs.notifyObservers(docshell, "activity-done", aTopic); | |
| 75 break; | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 Services.obs.addObserver(observer, "activity-error", false); | |
| 81 Services.obs.addObserver(observer, "activity-success", false); | |
| 82 Services.obs.addObserver(observer, "inner-window-destroyed", false); | |
| 83 return handler; | |
| 84 }, | |
| 85 | |
| 86 classID: Components.ID("{5430d6f9-32d6-4924-ba39-6b6d1b093cd6}"), | |
| 87 QueryInterface: XPCOMUtils.generateQI([Ci.nsISystemMessagesWrapper]) | |
| 88 } | |
| 89 | |
| 90 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivityWrapper]); | |
| 91 |
