Bug 522288: Fennec should handle MozApplicationManifest [r=mark.finkle]

mobile/app/mobile.js

@@ -79,6 +79,7 @@ pref("browser.cache.memory.capacity", 1024); // kilobytes
 pref("image.cache.size", 1048576); // bytes
 
 /* offline cache prefs */
+pref("browser.offline-apps.notify", true);
 pref("browser.cache.offline.enable", true);
 pref("browser.cache.offline.capacity", 5120); // kilobytes
 pref("offline-apps.quota.max", 2048); // kilobytes

mobile/chrome/content/browser.js

@@ -477,6 +477,7 @@ var Browser = {
 
     let browsers = document.getElementById("browsers");
     browsers.addEventListener("command", this._handleContentCommand, false);
+    browsers.addEventListener("MozApplicationManifest", OfflineApps, false);
     browsers.addEventListener("DOMUpdatePageReport", gPopupBlockerObserver.onUpdatePageReport, false);
 
     /* Initialize Spatial Navigation */
@@ -1979,7 +1980,7 @@ const gXPInstallObserver = {
                                                              [brandShortName, host]);
             buttons = [{
               label: browserBundle.getString("xpinstallDisabledButton"),
-              accessKey: browserBundle.getString("xpinstallDisabledButton.accesskey"),
+              accessKey: null,
               popup: null,
               callback: function editPrefs() {
                 gPrefService.setBoolPref("xpinstall.enabled", true);
@@ -1995,7 +1996,7 @@ const gXPInstallObserver = {
 
           buttons = [{
             label: browserBundle.getString("xpinstallPromptAllowButton"),
-            accessKey: browserBundle.getString("xpinstallPromptAllowButton.accesskey"),
+            accessKey: null,
             popup: null,
             callback: function() {
               // Kick off the xpinstall
@@ -2310,6 +2311,103 @@ ProgressController.prototype = {
   }
 };
 
+var OfflineApps = {
+  get _pm() {
+    delete this._pm;
+    return this._pm = Cc["@mozilla.org/permissionmanager;1"].getService(Ci.nsIPermissionManager);
+  },
+
+  get _bundle() {
+    delete this._bundle;
+    return this._bundle = document.getElementById("bundle_browser");
+  },
+
+  offlineAppRequested: function(aDocument) {
+    if (!gPrefService.getBoolPref("browser.offline-apps.notify"))
+      return;
+
+    let currentURI = aDocument.documentURIObject;
+
+    // don't bother showing UI if the user has already made a decision
+    if (this._pm.testExactPermission(currentURI, "offline-app") != Ci.nsIPermissionManager.UNKNOWN_ACTION)
+      return;
+
+    try {
+      if (gPrefService.getBoolPref("offline-apps.allow_by_default")) {
+        // all pages can use offline capabilities, no need to ask the user
+        return;
+      }
+    } catch(e) {
+      // this pref isn't set by default, ignore failures
+    }
+
+    let host = currentURI.asciiHost;
+    let notificationID = "offline-app-requested-" + host;
+    let notificationBox = Browser.getNotificationBox();
+
+    let notification = notificationBox.getNotificationWithValue(notificationID);
+    if (notification) {
+      notification.documents.push(aDocument);
+    } else {
+      let buttons = [{
+        label: this._bundle.getString("offlineApps.allow"),
+        accessKey: null,
+        callback: function() {
+          for (let i = 0; i < notification.documents.length; i++)
+            OfflineApps.allowSite(notification.documents[i]);
+        }
+      },{
+        label: this._bundle.getString("offlineApps.never"),
+        accessKey: null,
+        callback: function() {
+          for (let i = 0; i < notification.documents.length; i++)
+            OfflineApps.disallowSite(notification.documents[i]);
+        }
+      },{
+        label: this._bundle.getString("offlineApps.notNow"),
+        accessKey: null,
+        callback: function() { /* noop */ }
+      }];
+
+      const priority = notificationBox.PRIORITY_INFO_LOW;
+      let message = this._bundle.getFormattedString("offlineApps.available", [host]);
+      notification = notificationBox.appendNotification(message, notificationID,
+                                                        "", priority, buttons);
+      notification.documents = [aDocument];
+    }
+  },
+
+  allowSite: function(aDocument) {
+    this._pm.add(aDocument.documentURIObject, "offline-app", Ci.nsIPermissionManager.ALLOW_ACTION);
+
+    // When a site is enabled while loading, manifest resources will start
+    // fetching immediately.  This one time we need to do it ourselves.
+    this._startFetching(aDocument);
+  },
+
+  disallowSite: function(aDocument) {
+    this._pm.add(aDocument.documentURIObject, "offline-app", Ci.nsIPermissionManager.DENY_ACTION);
+  },
+
+  _startFetching: function(aDocument) {
+    if (!aDocument.documentElement)
+      return;
+
+    let manifest = aDocument.documentElement.getAttribute("manifest");
+    if (!manifest)
+      return;
+
+    let manifestURI = gIOService.newURI(manifest, aDocument.characterSet, aDocument.documentURIObject);
+
+    let updateService = Cc["@mozilla.org/offlinecacheupdate-service;1"].getService(Ci.nsIOfflineCacheUpdateService);
+    updateService.scheduleUpdate(manifestURI, aDocument.documentURIObject);
+  },
+
+  handleEvent: function(aEvent) {
+    if (aEvent.type == "MozApplicationManifest")
+      this.offlineAppRequested(aEvent.originalTarget.defaultView.document);
+  }
+};
 
 function Tab() {
   this._id = null;

mobile/components/geolocationPrompt.js

@@ -74,7 +74,7 @@ GeolocationPrompt.prototype = {
 
       var buttons = [{
         label: browserBundle.GetStringFromName("geolocation.share"),
-        accessKey: browserBundle.GetStringFromName("geolocation.share.accessKey"),
+        accessKey: null,
         callback: function(notification) {
           setPagePermission(request.requestingURI, true);
           request.allow(); 
@@ -82,7 +82,7 @@ GeolocationPrompt.prototype = {
       },
       {
         label: browserBundle.GetStringFromName("geolocation.dontShare"),
-        accessKey: browserBundle.GetStringFromName("geolocation.dontShare.accessKey"),
+        accessKey: null,
         callback: function(notification) {
           setPagePermission(request.requestingURI, false);
           request.cancel();

mobile/locales/en-US/chrome/browser.properties

@@ -64,11 +64,9 @@ popupButtonNeverWarn2=Never Show
 # XPInstall
 xpinstallPromptWarning=%S prevented this site (%S) from asking you to install software on your computer.
 xpinstallPromptAllowButton=Allow
-xpinstallPromptAllowButton.accesskey=A
 xpinstallDisabledMessageLocked=Software installation has been disabled by your system administrator.
 xpinstallDisabledMessage=Software installation is currently disabled. Click Enable and try again.
 xpinstallDisabledButton=Enable
-xpinstallDisabledButton.accesskey=n
 
 # Site Identity
 identity.identified.verifier=Verified by: %S
@@ -82,9 +80,7 @@ identity.ownerUnknown2=(unknown)
 
 # Geolocation UI
 geolocation.share=Share
-geolocation.share.accessKey=a
 geolocation.dontShare=Don't share
-geolocation.dontShare.accessKey=o
 geolocation.siteWantsToKnow=%S wants your location.
 
 # New Tab Popup
@@ -96,3 +92,10 @@ newtabpopup.opened=New tab opened;#1 new tabs opened
 # Error Console
 typeError=Error:
 typeWarning=Warning:
+
+# Offline web applications
+offlineApps.available=%S wants to store data on your computer for offline use.
+offlineApps.allow=Allow
+offlineApps.never=Don't Allow
+offlineApps.notNow=Not Now
+