gecko-dev/toolkit/content/browser-child.js

314 lines
9.1 KiB
JavaScript

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