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mirror of https://github.com/gryf/pentadactyl-pm.git synced 2025-12-20 16:57:59 +01:00
Files
pentadactyl-pm/common/modules/overlay.jsm
2011-03-07 19:18:09 -05:00

331 lines
14 KiB
JavaScript

// Copyright (c) 2009-2011 by Kris Maglione <maglione.k@gmail.com>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
"use strict";
try {
Components.utils.import("resource://dactyl/bootstrap.jsm");
defineModule("overlay", {
exports: ["ModuleBase"],
require: ["config", "services", "util"]
}, this);
/**
* @class ModuleBase
* The base class for all modules.
*/
var ModuleBase = Class("ModuleBase", {
/**
* @property {[string]} A list of module prerequisites which
* must be initialized before this module is loaded.
*/
requires: [],
toString: function () "[module " + this.constructor.className + "]"
});
var Overlay = Module("Overlay", {
init: function init() {
services["dactyl:"]; // Hack. Force module initialization.
config.loadStyles();
util.overlayWindow(config.overlayChrome, function overlay(window) ({
init: function onInit(document) {
/**
* @constructor Module
*
* Constructs a new ModuleBase class and makes arrangements for its
* initialization. Arguments marked as optional must be either
* entirely elided, or they must have the exact type specified.
* Loading semantics are as follows:
*
* - A module is guaranteed not to be initialized before any of its
* prerequisites as listed in its {@see ModuleBase#requires} member.
* - A module is considered initialized once it's been instantiated,
* its {@see Class#init} method has been called, and its
* instance has been installed into the top-level {@see modules}
* object.
* - Once the module has been initialized, its module-dependent
* initialization functions will be called as described hereafter.
* @param {string} name The module's name as it will appear in the
* top-level {@see modules} object.
* @param {ModuleBase} base The base class for this module.
* @optional
* @param {Object} prototype The prototype for instances of this
* object. The object itself is copied and not used as a prototype
* directly.
* @param {Object} classProperties The class properties for the new
* module constructor.
* @optional
* @param {Object} moduleInit The module initialization functions
* for the new module. Each function is called as soon as the named module
* has been initialized, but after the module itself. The constructors are
* guaranteed to be called in the same order that the dependent modules
* were initialized.
* @optional
*
* @returns {function} The constructor for the resulting module.
*/
function Module(name) {
let args = Array.slice(arguments);
var base = ModuleBase;
if (callable(args[1]))
base = args.splice(1, 1)[0];
let [, prototype, classProperties, moduleInit] = args;
const module = Class(name, base, prototype, classProperties);
module.INIT = moduleInit || {};
module.modules = modules;
module.prototype.INIT = module.INIT;
module.requires = prototype.requires || [];
Module.list.push(module);
Module.constructors[name] = module;
return module;
}
Module.list = [];
Module.constructors = {};
const BASE = "resource://dactyl-content/";
const create = window.Object.create || (function () {
window.__dactyl_eval_string = "(function (proto) ({ __proto__: proto }))";
JSMLoader.loadSubScript(BASE + "eval.js", window);
let res = window.__dactyl_eval_result;
delete window.__dactyl_eval_string;
delete window.__dactyl_eval_result;
return res;
})();
const jsmodules = { NAME: "jsmodules" };
const modules = update(create(jsmodules), {
yes_i_know_i_should_not_report_errors_in_these_branches_thanks: [],
jsmodules: jsmodules,
get content() this.config.browser.contentWindow || window.content,
window: window,
Module: Module,
load: function load(script) {
for (let [i, base] in Iterator(prefix)) {
try {
JSMLoader.loadSubScript(base + script + ".js", modules, "UTF-8");
return;
}
catch (e) {
if (typeof e !== "string") {
util.dump("Trying: " + (base + script + ".js") + ":");
util.reportError(e);
}
}
}
try {
require(jsmodules, script);
}
catch (e) {
util.dump("Loading script " + script + ":");
util.reportError(e);
}
},
newContext: function newContext(proto, normal) {
if (normal)
return create(proto);
let sandbox = Components.utils.Sandbox(window, { sandboxPrototype: proto || modules, wantXrays: false });
// Hack:
sandbox.Object = jsmodules.Object;
sandbox.Math = jsmodules.Math;
sandbox.__proto__ = proto || modules;
return sandbox;
},
get ownPropertyValues() array.compact(
Object.getOwnPropertyNames(this)
.map(function (name) Object.getOwnPropertyDescriptor(this, name).value, this)),
get moduleList() this.ownPropertyValues.filter(function (mod) mod instanceof this.ModuleBase || mod.isLocalModule, this)
});
modules.plugins = create(modules);
modules.modules = modules;
window.dactyl = { modules: modules };
let prefix = [BASE, "resource://dactyl-local-content/"];
defineModule.time("load", null, function _load() {
["addons",
"base",
"io",
"commands",
"completion",
"config",
"contexts",
"downloads",
"finder",
"highlight",
"javascript",
"messages",
"options",
"overlay",
"prefs",
"sanitizer",
"services",
"storage",
"styles",
"template",
"util"
].forEach(function (name) defineModule.time("load", name, require, null, jsmodules, name));
["dactyl",
"modes",
"commandline",
"abbreviations",
"autocommands",
"buffer",
"editor",
"events",
"hints",
"mappings",
"marks",
"mow",
"statusline"
].forEach(function (name) defineModule.time("load", name, modules.load, modules, name));
}, this);
},
load: function onLoad(document) {
// This is getting to be horrible. --Kris
var { modules, Module } = window.dactyl.modules;
delete window.dactyl;
const start = Date.now();
const deferredInit = { load: {} };
const seen = set();
const loaded = set();
modules.loaded = loaded;
function load(module, prereq, frame) {
if (isString(module)) {
if (!Module.constructors.hasOwnProperty(module))
modules.load(module);
module = Module.constructors[module];
}
try {
if (module.className in loaded)
return;
if (module.className in seen)
throw Error("Module dependency loop.");
set.add(seen, module.className);
for (let dep in values(module.requires))
load(Module.constructors[dep], module.className);
defineModule.loadLog.push("Load" + (isString(prereq) ? " " + prereq + " dependency: " : ": ") + module.className);
if (frame && frame.filename)
defineModule.loadLog.push(" from: " + util.fixURI(frame.filename) + ":" + frame.lineNumber);
let obj = defineModule.time(module.className, "init", module);
Class.replaceProperty(modules, module.className, obj);
loaded[module.className] = true;
if (loaded.dactyl && obj.signals)
modules.dactyl.registerObservers(obj);
frob(module.className);
}
catch (e) {
util.dump("Loading " + (module && module.className) + ":");
util.reportError(e);
}
return modules[module.className];
}
function deferInit(name, INIT, mod) {
let init = deferredInit[name] = deferredInit[name] || {};
let className = mod.className || mod.constructor.className;
init[className] = function callee() {
if (!callee.frobbed)
defineModule.time(className, name, INIT[name], mod,
modules.dactyl, modules, window);
callee.frobbed = true;
};
INIT[name].require = function (name) { init[name](); };
}
function frobModules() {
Module.list.forEach(function frobModule(mod) {
if (!mod.frobbed) {
modules.__defineGetter__(mod.className, function () {
delete modules[mod.className];
return load(mod.className, null, Components.stack.caller);
});
Object.keys(mod.prototype.INIT)
.forEach(function (name) { deferInit(name, mod.prototype.INIT, mod); });
}
mod.frobbed = true;
});
}
defineModule.modules.forEach(function defModule(mod) {
let names = set(Object.keys(mod.INIT));
if ("init" in mod.INIT)
set.add(names, "init");
keys(names).forEach(function (name) { deferInit(name, mod.INIT, mod); });
});
function frob(name) { values(deferredInit[name] || {}).forEach(call); }
frobModules();
frob("init");
modules.config.scripts.forEach(modules.load);
frobModules();
defineModule.modules.forEach(function defModule({ lazyInit, constructor: { className } }) {
if (!lazyInit) {
frob(className);
Class.replaceProperty(modules, className, modules[className]);
}
else
modules.__defineGetter__(className, function () {
delete modules[className];
frob(className);
return modules[className] = modules[className];
});
});
// Module.list.forEach(load);
frob("load");
modules.times = update({}, defineModule.times);
defineModule.loadLog.push("Loaded in " + (Date.now() - start) + "ms");
modules.events.listen(window, "unload", function onUnload() {
window.removeEventListener("unload", onUnload.wrapped, false);
for each (let mod in modules.moduleList.reverse()) {
mod.stale = true;
if ("destroy" in mod)
util.trapErrors("destroy", mod);
}
}, false);
}
}));
}
});
endModule();
} catch(e){ if (!e.stack) e = Error(e); dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack); }
// vim: set fdm=marker sw=4 ts=4 et ft=javascript: