mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
116 lines
3.7 KiB
JavaScript
116 lines
3.7 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/. */
|
|
|
|
"use strict";
|
|
|
|
this.EXPORTED_SYMBOLS = [ "BrowserUtils" ];
|
|
|
|
const {interfaces: Ci, utils: Cu, classes: Cc} = Components;
|
|
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
|
|
this.BrowserUtils = {
|
|
|
|
/**
|
|
* urlSecurityCheck: JavaScript wrapper for checkLoadURIWithPrincipal
|
|
* and checkLoadURIStrWithPrincipal.
|
|
* If |aPrincipal| is not allowed to link to |aURL|, this function throws with
|
|
* an error message.
|
|
*
|
|
* @param aURL
|
|
* The URL a page has linked to. This could be passed either as a string
|
|
* or as a nsIURI object.
|
|
* @param aPrincipal
|
|
* The principal of the document from which aURL came.
|
|
* @param aFlags
|
|
* Flags to be passed to checkLoadURIStr. If undefined,
|
|
* nsIScriptSecurityManager.STANDARD will be passed.
|
|
*/
|
|
urlSecurityCheck: function(aURL, aPrincipal, aFlags) {
|
|
var secMan = Services.scriptSecurityManager;
|
|
if (aFlags === undefined) {
|
|
aFlags = secMan.STANDARD;
|
|
}
|
|
|
|
try {
|
|
if (aURL instanceof Ci.nsIURI)
|
|
secMan.checkLoadURIWithPrincipal(aPrincipal, aURL, aFlags);
|
|
else
|
|
secMan.checkLoadURIStrWithPrincipal(aPrincipal, aURL, aFlags);
|
|
} catch (e) {
|
|
let principalStr = "";
|
|
try {
|
|
principalStr = " from " + aPrincipal.URI.spec;
|
|
}
|
|
catch(e2) { }
|
|
|
|
throw "Load of " + aURL + principalStr + " denied.";
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Constructs a new URI, using nsIIOService.
|
|
* @param aURL The URI spec.
|
|
* @param aOriginCharset The charset of the URI.
|
|
* @param aBaseURI Base URI to resolve aURL, or null.
|
|
* @return an nsIURI object based on aURL.
|
|
*/
|
|
makeURI: function(aURL, aOriginCharset, aBaseURI) {
|
|
return Services.io.newURI(aURL, aOriginCharset, aBaseURI);
|
|
},
|
|
|
|
makeFileURI: function(aFile) {
|
|
return Services.io.newFileURI(aFile);
|
|
},
|
|
|
|
/**
|
|
* Return the current focus element and window. If the current focus
|
|
* is in a content process, then this function returns CPOWs
|
|
* (cross-process object wrappers) that refer to the focused
|
|
* items. Note that calling this function synchronously contacts the
|
|
* content process, which may block for a long time.
|
|
*
|
|
* @param document The document in question.
|
|
* @return [focusedElement, focusedWindow]
|
|
*/
|
|
getFocusSync: function(document) {
|
|
let elt = document.commandDispatcher.focusedElement;
|
|
var window = document.commandDispatcher.focusedWindow;
|
|
|
|
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
|
|
if (elt instanceof window.XULElement &&
|
|
elt.localName == "browser" &&
|
|
elt.namespaceURI == XUL_NS &&
|
|
elt.getAttribute("remote")) {
|
|
[elt, window] = elt.syncHandler.getFocusedElementAndWindow();
|
|
}
|
|
|
|
return [elt, window];
|
|
},
|
|
|
|
/**
|
|
* For a given DOM element, returns its position in "screen"
|
|
* coordinates. In a content process, the coordinates returned will
|
|
* be relative to the left/top of the tab. In the chrome process,
|
|
* the coordinates are relative to the user's screen.
|
|
*/
|
|
getElementBoundingScreenRect: function(aElement) {
|
|
let rect = aElement.getBoundingClientRect();
|
|
let window = aElement.ownerDocument.defaultView;
|
|
|
|
// We need to compensate for any iframes that might shift things
|
|
// over. We also need to compensate for zooming.
|
|
let fullZoom = window.getInterface(Ci.nsIDOMWindowUtils).fullZoom;
|
|
rect = {
|
|
left: (rect.left + window.mozInnerScreenX) * fullZoom,
|
|
top: (rect.top + window.mozInnerScreenY) * fullZoom,
|
|
width: rect.width * fullZoom,
|
|
height: rect.height * fullZoom
|
|
};
|
|
|
|
return rect;
|
|
},
|
|
|
|
};
|