Mercurial > my-ubiquity-commands

comparison random-stuff/random-stuff.js @ 20:a07982ba7259

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Added random stuff.
author Atul Varma <varmaa@toolness.com>
date Wed, 06 May 2009 09:20:13 -0700
parents
children e82bff1ef296
comparison
equal deleted inserted replaced
19:900a2fabd11c 20:a07982ba7259
1 const BG_PROPS = ["backgroundImage",
2 "backgroundPosition",
3 "backgroundRepeat",
4 "backgroundColor",
5 "backgroundAttachment"];
6
7 function copyBackground(fromElement, toElement) {
8 var window = fromElement.ownerDocument.defaultView;
9 var style = window.getComputedStyle(fromElement, null);
10 BG_PROPS.forEach(
11 function(name) {
12 toElement.style[name] = style[name];
13 });
14 }
15
16 function evalFunctionsIntoWindow(functions, window) {
17 var sandbox = Components.utils.Sandbox(window);
18 var codeLines = [];
19
20 for (name in functions)
21 if (typeof(functions[name]) == "function")
22 codeLines.push("window." + name + " = " +
23 functions[name].toString() + ";");
24
25 sandbox.window = window.wrappedJSObject;
26
27 Components.utils.evalInSandbox(codeLines.join('\n'), sandbox);
28 }
29
30 function importFunctionsIntoWindow(functions, window) {
31 var sandbox = Components.utils.Sandbox(window);
32 var codeLines = [];
33
34 for (name in functions)
35 if (typeof(functions[name]) == "function") {
36 codeLines.push("window." + name + " = " + name + ";");
37 sandbox.importFunction(functions[name]);
38 }
39
40 sandbox.window = window.wrappedJSObject;
41 Components.utils.evalInSandbox(codeLines.join('\n'), sandbox);
42 }
43
44 function injectPanelWindowFunctions(iframe) {
45 var functions = {
46 close: function close() {
47 iframe.parentNode.removeChild(iframe);
48 }
49 };
50
51 importFunctionsIntoWindow(functions, iframe.contentWindow);
52 }
53
54 function onPanelLoad(evt) {
55 if (evt.originalTarget.nodeName == "#document") {
56 var iframe = this;
57
58 iframe.removeEventListener("DOMContentLoaded", onPanelLoad, true);
59 injectPanelWindowFunctions(iframe);
60 copyBackground(this.parentNode, iframe.contentDocument.body);
61 }
62 }
63
64 function addStatusBarPanel(window, url, width) {
65 var document = window.document;
66 var statusBar = document.getElementById("status-bar");
67 var iframe = document.createElement("iframe");
68 iframe.setAttribute("type", "content");
69 iframe.setAttribute("src", url);
70 iframe.setAttribute("width", width);
71 iframe.setAttribute("height", statusBar.boxObject.height);
72 iframe.style.overflow = "hidden";
73 iframe.addEventListener("DOMContentLoaded", onPanelLoad, true);
74 statusBar.appendChild(iframe);
75 return iframe;
76 }
77
78 function pageLoad_inject_sidebar_functions(document) {
79 var window = document.defaultView;
80 var chromeWindow = window.QueryInterface(Ci.nsIInterfaceRequestor)
81 .getInterface(Ci.nsIWebNavigation)
82 .QueryInterface(Ci.nsIDocShellTreeItem)
83 .rootTreeItem
84 .QueryInterface(Ci.nsIInterfaceRequestor)
85 .getInterface(Ci.nsIDOMWindow);
86
87 document = null;
88
89 var functionsToImport = {
90 _addSidebar: function _addSidebar(url, width) {
91 if (typeof(url) != "string")
92 throw new Error("URL must be a string");
93
94 if (typeof(width) != "number")
95 throw new Error("width must be a number");
96
97 var panelIframe = addStatusBarPanel(chromeWindow, url, width);
98 chromeWindow = null;
99
100 panelIframe.addEventListener(
101 "load",
102 function(loadEvent) {
103 var panelDocument = loadEvent.originalTarget;
104 var evt = window.document.createEvent("MessageEvent");
105 var origin = (panelDocument.location.protocol + "//" +
106 panelDocument.location.host);
107 evt.initMessageEvent("message",
108 false,
109 true,
110 "sidebar created",
111 origin,
112 "",
113 panelDocument.defaultView);
114 window.addEventListener(
115 "unload",
116 function() { panelIframe.parentNode.removeChild(panelIframe); },
117 true
118 );
119 window.dispatchEvent(evt);
120 window = null;
121 },
122 true);
123 }
124 };
125
126 var functionsToEval = {
127 addSidebar: function addSidebar(options) {
128 window.addEventListener(
129 "message",
130 function onMessage(event) {
131 // TODO: Make this secure by looking at the origin, etc.
132 window.console.log(event);
133 if (event.data == "sidebar created") {
134 window.removeEventListener("message", onMessage, false);
135 var panel = event.source;
136 options.callback(panel);
137 }
138 },
139 false
140 );
141
142 // Absolut-ify the URL if necessary.
143 var anchor = window.document.createElement("a");
144 anchor.setAttribute("href", options.url);
145 window.document.body.appendChild(anchor);
146 options.url = anchor.href;
147 window.document.body.removeChild(anchor);
148
149 window._addSidebar(options.url, options.width);
150 }
151 };
152
153 importFunctionsIntoWindow(functionsToImport, window);
154 evalFunctionsIntoWindow(functionsToEval, window);
155 }