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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";
const { Ci, Cc } = require("chrome");
const Services = require("Services");
const protocol = require("devtools/shared/protocol");
const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyServiceGetter(
this,
"swm",
"@mozilla.org/serviceworkers/manager;1",
"nsIServiceWorkerManager"
);
const { DevToolsServer } = require("devtools/server/devtools-server");
const { getSystemInfo } = require("devtools/shared/system");
const { deviceSpec } = require("devtools/shared/specs/device");
const { AppConstants } = require("resource://gre/modules/AppConstants.jsm");
exports.DeviceActor = protocol.ActorClassWithSpec(deviceSpec, {
initialize: function(conn) {
protocol.Actor.prototype.initialize.call(this, conn);
// pageshow and pagehide event release wake lock, so we have to acquire
// wake lock again by pageshow event
this._onPageShow = this._onPageShow.bind(this);
if (this._window) {
this._window.addEventListener("pageshow", this._onPageShow, true);
}
this._acquireWakeLock();
},
destroy: function() {
protocol.Actor.prototype.destroy.call(this);
this._releaseWakeLock();
if (this._window) {
this._window.removeEventListener("pageshow", this._onPageShow, true);
}
},
getDescription: function() {
return Object.assign({}, getSystemInfo(), {
// ServiceWorker debugging is only supported when parent-intercept is
// enabled. This cannot change at runtime, so it can be treated as a
// constant for the device.
canDebugServiceWorkers: swm.isParentInterceptEnabled(),
});
},
_acquireWakeLock: function() {
if (AppConstants.platform !== "android") {
return;
}
const pm = Cc["@mozilla.org/power/powermanagerservice;1"].getService(
Ci.nsIPowerManagerService
);
this._wakelock = pm.newWakeLock("screen", this._window);
},
_releaseWakeLock: function() {
if (this._wakelock) {
try {
this._wakelock.unlock();
} catch (e) {
// Ignore error since wake lock is already unlocked
}
this._wakelock = null;
}
},
_onPageShow: function() {
this._releaseWakeLock();
this._acquireWakeLock();
},
get _window() {
return Services.wm.getMostRecentWindow(DevToolsServer.chromeWindowType);
},
});
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