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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/. */
"use strict";
var EXPORTED_SYMBOLS = ["GeckoViewChildModule"];
const { GeckoViewUtils } = ChromeUtils.importESModule(
"resource://gre/modules/GeckoViewUtils.sys.mjs"
);
const { debug, warn } = GeckoViewUtils.initLogging("Module[C]");
class GeckoViewChildModule {
static initLogging(aModuleName) {
this._moduleName = aModuleName;
const tag = aModuleName.replace("GeckoView", "") + "[C]";
return GeckoViewUtils.initLogging(tag);
}
static create(aGlobal, aModuleName) {
return new this(aModuleName || this._moduleName, aGlobal);
}
constructor(aModuleName, aGlobal) {
this.moduleName = aModuleName;
this.messageManager = aGlobal;
this.enabled = false;
if (!aGlobal._gvEventDispatcher) {
aGlobal._gvEventDispatcher = GeckoViewUtils.getDispatcherForWindow(
aGlobal.content
);
aGlobal.addEventListener(
"unload",
event => {
if (event.target === this.messageManager) {
aGlobal._gvEventDispatcher.finalize();
}
},
{
mozSystemGroup: true,
}
);
}
this.eventDispatcher = aGlobal._gvEventDispatcher;
this.messageManager.addMessageListener(
"GeckoView:UpdateModuleState",
aMsg => {
if (aMsg.data.module !== this.moduleName) {
return;
}
const { enabled } = aMsg.data;
if (enabled !== this.enabled) {
if (!enabled) {
this.onDisable();
}
this.enabled = enabled;
if (enabled) {
this.onEnable();
}
}
}
);
this.onInit();
this.messageManager.sendAsyncMessage("GeckoView:ContentModuleLoaded", {
module: this.moduleName,
});
}
// Override to initialize module.
onInit() {}
// Override to enable module after setting a Java delegate.
onEnable() {}
// Override to disable module after clearing the Java delegate.
onDisable() {}
}
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