gecko/widget/windows/winrt/MetroUIUtils.js

176 lines
5.1 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/. */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
function MetroUIUtils() {
}
const URLElements = {
"a": "href",
"applet": ["archive", "code", "codebase"],
"area": "href",
"audio": "src",
"base": "href",
"blockquote": ["cite"],
"body": "background",
"button": "formaction",
"command": "icon",
"del": ["cite"],
"embed": "src",
"form": "action",
"frame": ["longdesc", "src"],
"iframe": ["longdesc", "src"],
"img": ["longdesc", "src"],
"input": ["formaction", "src"],
"ins": ["cite"],
"link": "href",
"object": ["archive", "codebase", "data"],
"q": ["cite"],
"script": "src",
"source": "src",
};
MetroUIUtils.prototype = {
classID : Components.ID("e4626085-17f7-4068-a225-66c1acc0485c"),
QueryInterface : XPCOMUtils.generateQI([Ci.nsIMetroUIUtils]),
/**
* Loads the specified panel in the browser.
* @ param aPanelId The identifier of the pane to load
*/
showPanel: function(aPanelId) {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
browserWin.PanelUI.show(aPanelId);
},
/**
* Determines if the browser has selected content
*/
get hasSelectedContent() {
try {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
let tabBrowser = browserWin.getBrowser();
if (!browserWin || !tabBrowser || !tabBrowser.contentWindow) {
return false;
}
let sel = tabBrowser.contentWindow.getSelection();
return sel && sel.toString();
} catch(e) {
return false;
}
},
/**
* Obtains the current page title
*/
get currentPageTitle() {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
if (!browserWin || !browserWin.content || !browserWin.content.document) {
throw Cr.NS_ERROR_FAILURE;
}
return browserWin.content.document.title || "";
},
/**
* Obtains the current page URI
*/
get currentPageURI() {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
if (!browserWin || !browserWin.content || !browserWin.content.document) {
throw Cr.NS_ERROR_FAILURE;
}
return browserWin.content.document.URL || "";
},
/**
* Determines the text that should be shared
*/
get shareText() {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
let tabBrowser = browserWin.getBrowser();
if (browserWin && tabBrowser && tabBrowser.contentWindow) {
let sel = tabBrowser.contentWindow.getSelection();
if (sel && sel.rangeCount)
return sel;
}
throw Cr.NS_ERROR_FAILURE;
},
/**
* Replaces the node's attribute value to be a fully qualified URL
*/
_expandAttribute : function(ioService, doc, node, attrName) {
let attrValue = node.getAttribute(attrName);
if (!attrValue)
return;
try {
let uri = ioService.newURI(attrValue, null, doc.baseURIObject);
node.setAttribute(attrName, uri.spec);
} catch (e) {
}
},
/*
* Replaces all attribute values in 'n' which contain URLs recursiely
* to fully qualified URLs.
*/
_expandURLs: function(doc, n) {
let ioService = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
for (let i = 0; i < n.children.length; i++) {
let child = n.children[i];
let childTagName = child.tagName.toLowerCase();
// Iterate through all known tags which can contain URLs. A tag either
// contains a single attribute name or an array of attribute names.
for (let tagName in URLElements) {
if (tagName === childTagName) {
if (URLElements[tagName] instanceof Array) {
URLElements[tagName].forEach(function(attrName) {
this._expandAttribute(ioService ,doc, child, attrName);
}, this);
} else {
this._expandAttribute(ioService ,doc, child, URLElements[tagName]);
}
}
}
this._expandURLs(doc, child);
}
},
/**
* Determines the HTML that should be shared
*/
get shareHTML() {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
let tabBrowser = browserWin.getBrowser();
let sel;
if (browserWin && tabBrowser && tabBrowser.contentWindow &&
(sel = tabBrowser.contentWindow.getSelection()) && sel.rangeCount) {
let div = tabBrowser.contentWindow.document.createElement("DIV");
for (let i = 0; i < sel.rangeCount; i++) {
let contents = sel.getRangeAt(i).cloneContents(true);
div.appendChild(contents);
}
this._expandURLs(tabBrowser.contentWindow.document, div);
return div.outerHTML;
}
throw Cr.NS_ERROR_FAILURE;
}
};
var component = [MetroUIUtils];
this.NSGetFactory = XPCOMUtils.generateNSGetFactory(component);