michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: let Cc = Components.classes;
michael@0: let Ci = Components.interfaces;
michael@0: let Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import('resource://gre/modules/XPCOMUtils.jsm');
michael@0: Cu.import("resource://gre/modules/RemoteAddonsChild.jsm");
michael@0: Cu.import("resource://gre/modules/Timer.jsm");
michael@0: 
michael@0: let SyncHandler = {
michael@0:   init: function() {
michael@0:     sendAsyncMessage("SetSyncHandler", {}, {handler: this});
michael@0:   },
michael@0: 
michael@0:   getFocusedElementAndWindow: function() {
michael@0:     let fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
michael@0: 
michael@0:     let focusedWindow = {};
michael@0:     let elt = fm.getFocusedElementForWindow(content, true, focusedWindow);
michael@0:     return [elt, focusedWindow.value];
michael@0:   },
michael@0: };
michael@0: 
michael@0: SyncHandler.init();
michael@0: 
michael@0: let WebProgressListener = {
michael@0:   init: function() {
michael@0:     let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
michael@0:                               .getInterface(Ci.nsIWebProgress);
michael@0:     webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_ALL);
michael@0:   },
michael@0: 
michael@0:   _requestSpec: function (aRequest) {
michael@0:     if (!aRequest || !(aRequest instanceof Ci.nsIChannel))
michael@0:       return null;
michael@0:     return aRequest.QueryInterface(Ci.nsIChannel).URI.spec;
michael@0:   },
michael@0: 
michael@0:   _setupJSON: function setupJSON(aWebProgress, aRequest) {
michael@0:     return {
michael@0:       isTopLevel: aWebProgress.isTopLevel,
michael@0:       isLoadingDocument: aWebProgress.isLoadingDocument,
michael@0:       requestURI: this._requestSpec(aRequest),
michael@0:       loadType: aWebProgress.loadType,
michael@0:       documentContentType: content.document && content.document.contentType
michael@0:     };
michael@0:   },
michael@0: 
michael@0:   _setupObjects: function setupObjects(aWebProgress) {
michael@0:     return {
michael@0:       contentWindow: content,
michael@0:       // DOMWindow is not necessarily the content-window with subframes.
michael@0:       DOMWindow: aWebProgress.DOMWindow
michael@0:     };
michael@0:   },
michael@0: 
michael@0:   onStateChange: function onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
michael@0:     let json = this._setupJSON(aWebProgress, aRequest);
michael@0:     let objects = this._setupObjects(aWebProgress);
michael@0: 
michael@0:     json.stateFlags = aStateFlags;
michael@0:     json.status = aStatus;
michael@0: 
michael@0:     sendAsyncMessage("Content:StateChange", json, objects);
michael@0:   },
michael@0: 
michael@0:   onProgressChange: function onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal) {
michael@0:   },
michael@0: 
michael@0:   onLocationChange: function onLocationChange(aWebProgress, aRequest, aLocationURI, aFlags) {
michael@0:     let json = this._setupJSON(aWebProgress, aRequest);
michael@0:     let objects = this._setupObjects(aWebProgress);
michael@0: 
michael@0:     json.location = aLocationURI ? aLocationURI.spec : "";
michael@0:     json.flags = aFlags;
michael@0: 
michael@0:     if (json.isTopLevel) {
michael@0:       json.canGoBack = docShell.canGoBack;
michael@0:       json.canGoForward = docShell.canGoForward;
michael@0:       json.documentURI = content.document.documentURIObject.spec;
michael@0:       json.charset = content.document.characterSet;
michael@0:     }
michael@0: 
michael@0:     sendAsyncMessage("Content:LocationChange", json, objects);
michael@0:   },
michael@0: 
michael@0:   onStatusChange: function onStatusChange(aWebProgress, aRequest, aStatus, aMessage) {
michael@0:     let json = this._setupJSON(aWebProgress, aRequest);
michael@0:     let objects = this._setupObjects(aWebProgress);
michael@0: 
michael@0:     json.status = aStatus;
michael@0:     json.message = aMessage;
michael@0: 
michael@0:     sendAsyncMessage("Content:StatusChange", json, objects);
michael@0:   },
michael@0: 
michael@0:   onSecurityChange: function onSecurityChange(aWebProgress, aRequest, aState) {
michael@0:     let json = this._setupJSON(aWebProgress, aRequest);
michael@0:     let objects = this._setupObjects(aWebProgress);
michael@0: 
michael@0:     json.state = aState;
michael@0:     json.status = SecurityUI.getSSLStatusAsString();
michael@0: 
michael@0:     sendAsyncMessage("Content:SecurityChange", json, objects);
michael@0:   },
michael@0: 
michael@0:   QueryInterface: function QueryInterface(aIID) {
michael@0:     if (aIID.equals(Ci.nsIWebProgressListener) ||
michael@0:         aIID.equals(Ci.nsISupportsWeakReference) ||
michael@0:         aIID.equals(Ci.nsISupports)) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     throw Components.results.NS_ERROR_NO_INTERFACE;
michael@0:   }
michael@0: };
michael@0: 
michael@0: WebProgressListener.init();
michael@0: 
michael@0: let WebNavigation =  {
michael@0:   _webNavigation: docShell.QueryInterface(Ci.nsIWebNavigation),
michael@0: 
michael@0:   init: function() {
michael@0:     addMessageListener("WebNavigation:GoBack", this);
michael@0:     addMessageListener("WebNavigation:GoForward", this);
michael@0:     addMessageListener("WebNavigation:GotoIndex", this);
michael@0:     addMessageListener("WebNavigation:LoadURI", this);
michael@0:     addMessageListener("WebNavigation:Reload", this);
michael@0:     addMessageListener("WebNavigation:Stop", this);
michael@0: 
michael@0:     // Send a CPOW for the sessionHistory object.
michael@0:     let history = this._webNavigation.sessionHistory;
michael@0:     sendAsyncMessage("WebNavigation:setHistory", {}, {history: history});
michael@0:   },
michael@0: 
michael@0:   receiveMessage: function(message) {
michael@0:     switch (message.name) {
michael@0:       case "WebNavigation:GoBack":
michael@0:         this.goBack();
michael@0:         break;
michael@0:       case "WebNavigation:GoForward":
michael@0:         this.goForward();
michael@0:         break;
michael@0:       case "WebNavigation:GotoIndex":
michael@0:         this.gotoIndex(message.data.index);
michael@0:         break;
michael@0:       case "WebNavigation:LoadURI":
michael@0:         this.loadURI(message.data.uri, message.data.flags);
michael@0:         break;
michael@0:       case "WebNavigation:Reload":
michael@0:         this.reload(message.data.flags);
michael@0:         break;
michael@0:       case "WebNavigation:Stop":
michael@0:         this.stop(message.data.flags);
michael@0:         break;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   goBack: function() {
michael@0:     if (this._webNavigation.canGoBack)
michael@0:       this._webNavigation.goBack();
michael@0:   },
michael@0: 
michael@0:   goForward: function() {
michael@0:     if (this._webNavigation.canGoForward)
michael@0:       this._webNavigation.goForward();
michael@0:   },
michael@0: 
michael@0:   gotoIndex: function(index) {
michael@0:     this._webNavigation.gotoIndex(index);
michael@0:   },
michael@0: 
michael@0:   loadURI: function(uri, flags) {
michael@0:     this._webNavigation.loadURI(uri, flags, null, null, null);
michael@0:   },
michael@0: 
michael@0:   reload: function(flags) {
michael@0:     this._webNavigation.reload(flags);
michael@0:   },
michael@0: 
michael@0:   stop: function(flags) {
michael@0:     this._webNavigation.stop(flags);
michael@0:   }
michael@0: };
michael@0: 
michael@0: WebNavigation.init();
michael@0: 
michael@0: let SecurityUI = {
michael@0:   getSSLStatusAsString: function() {
michael@0:     let status = docShell.securityUI.QueryInterface(Ci.nsISSLStatusProvider).SSLStatus;
michael@0: 
michael@0:     if (status) {
michael@0:       let helper = Cc["@mozilla.org/network/serialization-helper;1"]
michael@0:                       .getService(Ci.nsISerializationHelper);
michael@0: 
michael@0:       status.QueryInterface(Ci.nsISerializable);
michael@0:       return helper.serializeToString(status);
michael@0:     }
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: };
michael@0: 
michael@0: let ControllerCommands = {
michael@0:   init: function () {
michael@0:     addMessageListener("ControllerCommands:Do", this);
michael@0:   },
michael@0: 
michael@0:   receiveMessage: function(message) {
michael@0:     switch(message.name) {
michael@0:       case "ControllerCommands:Do":
michael@0:         if (docShell.isCommandEnabled(message.data))
michael@0:           docShell.doCommand(message.data);
michael@0:         break;
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: ControllerCommands.init()
michael@0: 
michael@0: addEventListener("DOMTitleChanged", function (aEvent) {
michael@0:   let document = content.document;
michael@0:   switch (aEvent.type) {
michael@0:   case "DOMTitleChanged":
michael@0:     if (!aEvent.isTrusted || aEvent.target.defaultView != content)
michael@0:       return;
michael@0: 
michael@0:     sendAsyncMessage("DOMTitleChanged", { title: document.title });
michael@0:     break;
michael@0:   }
michael@0: }, false);
michael@0: 
michael@0: addEventListener("DOMWindowClose", function (aEvent) {
michael@0:   if (!aEvent.isTrusted)
michael@0:     return;
michael@0:   sendAsyncMessage("DOMWindowClose");
michael@0:   aEvent.preventDefault();
michael@0: }, false);
michael@0: 
michael@0: addEventListener("ImageContentLoaded", function (aEvent) {
michael@0:   if (content.document instanceof Ci.nsIImageDocument) {
michael@0:     let req = content.document.imageRequest;
michael@0:     if (!req.image)
michael@0:       return;
michael@0:     sendAsyncMessage("ImageDocumentLoaded", { width: req.image.width,
michael@0:                                               height: req.image.height });
michael@0:   }
michael@0: }, false);
michael@0: 
michael@0: let DocumentObserver = {
michael@0:   init: function() {
michael@0:     Services.obs.addObserver(this, "document-element-inserted", false);
michael@0:     addEventListener("unload", () => {
michael@0:       Services.obs.removeObserver(this, "document-element-inserted");
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   observe: function(aSubject, aTopic, aData) {
michael@0:     if (aSubject == content.document) {
michael@0:       sendAsyncMessage("DocumentInserted", {synthetic: aSubject.mozSyntheticDocument});
michael@0:     }
michael@0:   },
michael@0: };
michael@0: DocumentObserver.init();
michael@0: 
michael@0: const ZoomManager = {
michael@0:   get fullZoom() {
michael@0:     return this._cache.fullZoom;
michael@0:   },
michael@0: 
michael@0:   get textZoom() {
michael@0:     return this._cache.textZoom;
michael@0:   },
michael@0: 
michael@0:   set fullZoom(value) {
michael@0:     this._cache.fullZoom = value;
michael@0:     this._markupViewer.fullZoom = value;
michael@0:   },
michael@0: 
michael@0:   set textZoom(value) {
michael@0:     this._cache.textZoom = value;
michael@0:     this._markupViewer.textZoom = value;
michael@0:   },
michael@0: 
michael@0:   refreshFullZoom: function() {
michael@0:     return this._refreshZoomValue('fullZoom');
michael@0:   },
michael@0: 
michael@0:   refreshTextZoom: function() {
michael@0:     return this._refreshZoomValue('textZoom');
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Retrieves specified zoom property value from markupViewer and refreshes
michael@0:    * cache if needed.
michael@0:    * @param valueName Either 'fullZoom' or 'textZoom'.
michael@0:    * @returns Returns true if cached value was actually refreshed.
michael@0:    * @private
michael@0:    */
michael@0:   _refreshZoomValue: function(valueName) {
michael@0:     let actualZoomValue = this._markupViewer[valueName];
michael@0:     if (actualZoomValue != this._cache[valueName]) {
michael@0:       this._cache[valueName] = actualZoomValue;
michael@0:       return true;
michael@0:     }
michael@0:     return false;
michael@0:   },
michael@0: 
michael@0:   get _markupViewer() {
michael@0:     return docShell.contentViewer.QueryInterface(Ci.nsIMarkupDocumentViewer);
michael@0:   },
michael@0: 
michael@0:   _cache: {
michael@0:     fullZoom: NaN,
michael@0:     textZoom: NaN
michael@0:   }
michael@0: };
michael@0: 
michael@0: addMessageListener("FullZoom", function (aMessage) {
michael@0:   ZoomManager.fullZoom = aMessage.data.value;
michael@0: });
michael@0: 
michael@0: addMessageListener("TextZoom", function (aMessage) {
michael@0:   ZoomManager.textZoom = aMessage.data.value;
michael@0: });
michael@0: 
michael@0: addEventListener("FullZoomChange", function () {
michael@0:   if (ZoomManager.refreshFullZoom()) {
michael@0:     sendAsyncMessage("FullZoomChange", { value:  ZoomManager.fullZoom});
michael@0:   }
michael@0: }, false);
michael@0: 
michael@0: addEventListener("TextZoomChange", function (aEvent) {
michael@0:   if (ZoomManager.refreshTextZoom()) {
michael@0:     sendAsyncMessage("TextZoomChange", { value:  ZoomManager.textZoom});
michael@0:   }
michael@0: }, false);
michael@0: 
michael@0: RemoteAddonsChild.init(this);
michael@0: 
michael@0: addMessageListener("NetworkPrioritizer:AdjustPriority", (msg) => {
michael@0:   let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
michael@0:   let loadGroup = webNav.QueryInterface(Ci.nsIDocumentLoader)
michael@0:                         .loadGroup.QueryInterface(Ci.nsISupportsPriority);
michael@0:   loadGroup.adjustPriority(msg.data.adjustment);
michael@0: });
michael@0: 
michael@0: let AutoCompletePopup = {
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompletePopup]),
michael@0: 
michael@0:   init: function() {
michael@0:     // Hook up the form fill autocomplete controller.
michael@0:     let controller = Cc["@mozilla.org/satchel/form-fill-controller;1"]
michael@0:                        .getService(Ci.nsIFormFillController);
michael@0: 
michael@0:     controller.attachToBrowser(docShell, this.QueryInterface(Ci.nsIAutoCompletePopup));
michael@0: 
michael@0:     this._input = null;
michael@0:     this._popupOpen = false;
michael@0: 
michael@0:     addMessageListener("FormAutoComplete:HandleEnter", message => {
michael@0:       this.selectedIndex = message.data.selectedIndex;
michael@0: 
michael@0:       let controller = Components.classes["@mozilla.org/autocomplete/controller;1"].
michael@0:                   getService(Components.interfaces.nsIAutoCompleteController);
michael@0:       controller.handleEnter(message.data.isPopupSelection);
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   get input () { return this._input; },
michael@0:   get overrideValue () { return null; },
michael@0:   set selectedIndex (index) { },
michael@0:   get selectedIndex () {
michael@0:     // selectedIndex getter must be synchronous because we need the
michael@0:     // correct value when the controller is in controller::HandleEnter.
michael@0:     // We can't easily just let the parent inform us the new value every
michael@0:     // time it changes because not every action that can change the
michael@0:     // selectedIndex is trivial to catch (e.g. moving the mouse over the
michael@0:     // list).
michael@0:     return sendSyncMessage("FormAutoComplete:GetSelectedIndex", {});
michael@0:   },
michael@0:   get popupOpen () {
michael@0:     return this._popupOpen;
michael@0:   },
michael@0: 
michael@0:   openAutocompletePopup: function (input, element) {
michael@0:     this._input = input;
michael@0:     this._popupOpen = true;
michael@0:   },
michael@0: 
michael@0:   closePopup: function () {
michael@0:     this._popupOpen = false;
michael@0:     sendAsyncMessage("FormAutoComplete:ClosePopup", {});
michael@0:   },
michael@0: 
michael@0:   invalidate: function () {
michael@0:   },
michael@0: 
michael@0:   selectBy: function(reverse, page) {
michael@0:     this._index = sendSyncMessage("FormAutoComplete:SelectBy", {
michael@0:       reverse: reverse,
michael@0:       page: page
michael@0:     });
michael@0:   }
michael@0: }
michael@0: 
michael@0: let [initData] = sendSyncMessage("Browser:Init");
michael@0: docShell.useGlobalHistory = initData.useGlobalHistory;
michael@0: if (initData.initPopup) {
michael@0:   setTimeout(function() AutoCompletePopup.init(), 0);
michael@0: }