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/* 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/. */
function ChromePowers(window) {
this.window = Components.utils.getWeakReference(window);
// In the case of browser-chrome tests, we are running as a [ChromeWindow]
// and we have no window.QueryInterface available, content.window is what we need
if (typeof(window) == "ChromeWindow" && typeof(content.window) == "Window") {
this.DOMWindowUtils = bindDOMWindowUtils(content.window);
this.window = Components.utils.getWeakReference(content.window);
} else {
this.DOMWindowUtils = bindDOMWindowUtils(window);
}
this.spObserver = new SpecialPowersObserverAPI();
this.spObserver._sendReply = this._sendReply.bind(this);
this.listeners = new Map();
}
ChromePowers.prototype = new SpecialPowersAPI();
ChromePowers.prototype.toString = function() { return "[ChromePowers]"; };
ChromePowers.prototype.sanityCheck = function() { return "foo"; };
// This gets filled in in the constructor.
ChromePowers.prototype.DOMWindowUtils = undefined;
ChromePowers.prototype._sendReply = function(aOrigMsg, aType, aMsg) {
var msg = {'name':aType, 'json': aMsg, 'data': aMsg};
if (!this.listeners.has(aType)) {
throw new Error(`No listener for ${aType}`);
}
this.listeners.get(aType)(msg);
};
ChromePowers.prototype._sendSyncMessage = function(aType, aMsg) {
var msg = {'name':aType, 'json': aMsg, 'data': aMsg};
return [this._receiveMessage(msg)];
};
ChromePowers.prototype._sendAsyncMessage = function(aType, aMsg) {
var msg = {'name':aType, 'json': aMsg, 'data': aMsg};
this._receiveMessage(msg);
};
ChromePowers.prototype._addMessageListener = function(aType, aCallback) {
if (this.listeners.has(aType)) {
throw new Error(`unable to handle multiple listeners for ${aType}`);
}
this.listeners.set(aType, aCallback);
};
ChromePowers.prototype._removeMessageListener = function(aType, aCallback) {
this.listeners.delete(aType);
};
ChromePowers.prototype.registerProcessCrashObservers = function() {
this._sendSyncMessage("SPProcessCrashService", { op: "register-observer" });
};
ChromePowers.prototype.unregisterProcessCrashObservers = function() {
this._sendSyncMessage("SPProcessCrashService", { op: "unregister-observer" });
};
ChromePowers.prototype._receiveMessage = function(aMessage) {
switch (aMessage.name) {
case "SpecialPowers.Quit":
let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup);
appStartup.quit(Ci.nsIAppStartup.eForceQuit);
break;
case "SPProcessCrashService":
if (aMessage.json.op == "register-observer" || aMessage.json.op == "unregister-observer") {
// Hack out register/unregister specifically for browser-chrome leaks
break;
} else if (aMessage.type == "crash-observed") {
for (let e of msg.dumpIDs) {
this._encounteredCrashDumpFiles.push(e.id + "." + e.extension);
}
}
default:
// All calls go here, because we need to handle SPProcessCrashService calls as well
return this.spObserver._receiveMessageAPI(aMessage);
}
return undefined; // Avoid warning.
};
ChromePowers.prototype.quit = function() {
// We come in here as SpecialPowers.quit, but SpecialPowers is really ChromePowers.
// For some reason this.<func> resolves to TestRunner, so using SpecialPowers
// allows us to use the ChromePowers object which we defined below.
SpecialPowers._sendSyncMessage("SpecialPowers.Quit", {});
};
ChromePowers.prototype.focus = function(aWindow) {
// We come in here as SpecialPowers.focus, but SpecialPowers is really ChromePowers.
// For some reason this.<func> resolves to TestRunner, so using SpecialPowers
// allows us to use the ChromePowers object which we defined below.
if (aWindow)
aWindow.focus();
};
ChromePowers.prototype.executeAfterFlushingMessageQueue = function(aCallback) {
aCallback();
};
// Expose everything but internal APIs (starting with underscores) to
// web content. We cannot use Object.keys to view SpecialPowers.prototype since
// we are using the functions from SpecialPowersAPI.prototype
ChromePowers.prototype.__exposedProps__ = {};
for (var i in ChromePowers.prototype) {
if (i.charAt(0) != "_")
ChromePowers.prototype.__exposedProps__[i] = "r";
}
if ((window.parent !== null) &&
(window.parent !== undefined) &&
(window.parent.wrappedJSObject.SpecialPowers) &&
!(window.wrappedJSObject.SpecialPowers)) {
window.wrappedJSObject.SpecialPowers = window.parent.SpecialPowers;
} else {
window.wrappedJSObject.SpecialPowers = new ChromePowers(window);
}
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