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

198 lines
5.8 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');
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,
requestURI: this._requestSpec(aRequest)
};
},
_setupObjects: function setupObjects(aWebProgress) {
let win = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow);
return {
contentWindow: win,
// 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 spec = aLocationURI ? aLocationURI.spec : "";
let charset = content.document.characterSet;
let json = this._setupJSON(aWebProgress, aRequest);
let objects = this._setupObjects(aWebProgress);
json.documentURI = aWebProgress.DOMWindow.document.documentURIObject.spec;
json.location = spec;
json.canGoBack = docShell.canGoBack;
json.canGoForward = docShell.canGoForward;
json.charset = charset.toString();
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);
},
receiveMessage: function(message) {
switch (message.name) {
case "WebNavigation:GoBack":
this.goBack();
break;
case "WebNavigation:GoForward":
this.goForward();
break;
case "WebNavigation:GotoIndex":
this.gotoIndex(message);
break;
case "WebNavigation:LoadURI":
this.loadURI(message);
break;
case "WebNavigation:Reload":
this.reload(message);
break;
case "WebNavigation:Stop":
this.stop(message);
break;
}
},
goBack: function() {
if (this._webNavigation.canGoBack)
this._webNavigation.goBack();
},
goForward: function() {
if (this._webNavigation.canGoForward)
this._webNavigation.goForward();
},
gotoIndex: function(message) {
this._webNavigation.gotoIndex(message.index);
},
loadURI: function(message) {
let flags = message.json.flags || this._webNavigation.LOAD_FLAGS_NONE;
this._webNavigation.loadURI(message.json.uri, flags, null, null, null);
},
reload: function(message) {
let flags = message.json.flags || this._webNavigation.LOAD_FLAGS_NONE;
this._webNavigation.reload(flags);
},
stop: function(message) {
let flags = message.json.flags || this._webNavigation.STOP_ALL;
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;
}
};
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);