michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
michael@0: 
michael@0: Cu.import("resource://gre/modules/Preferences.jsm");
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: const reporter = Cc["@mozilla.org/datareporting/service;1"]
michael@0:                    .getService(Ci.nsISupports)
michael@0:                    .wrappedJSObject
michael@0:                    .healthReporter;
michael@0: 
michael@0: const policy = Cc["@mozilla.org/datareporting/service;1"]
michael@0:                  .getService(Ci.nsISupports)
michael@0:                  .wrappedJSObject
michael@0:                  .policy;
michael@0: 
michael@0: const prefs = new Preferences("datareporting.healthreport.");
michael@0: 
michael@0: 
michael@0: let healthReportWrapper = {
michael@0:   init: function () {
michael@0:     if (!reporter) {
michael@0:       healthReportWrapper.handleInitFailure();
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     reporter.onInit().then(healthReportWrapper.refreshPayload,
michael@0:                            healthReportWrapper.handleInitFailure);
michael@0: 
michael@0:     let iframe = document.getElementById("remote-report");
michael@0:     iframe.addEventListener("load", healthReportWrapper.initRemotePage, false);
michael@0:     let report = this._getReportURI();
michael@0:     iframe.src = report.spec;
michael@0:     prefs.observe("uploadEnabled", this.updatePrefState, healthReportWrapper);
michael@0:   },
michael@0: 
michael@0:   uninit: function () {
michael@0:     prefs.ignore("uploadEnabled", this.updatePrefState, healthReportWrapper);
michael@0:   },
michael@0: 
michael@0:   _getReportURI: function () {
michael@0:     let url = Services.urlFormatter.formatURLPref("datareporting.healthreport.about.reportUrl");
michael@0:     return Services.io.newURI(url, null, null);
michael@0:   },
michael@0: 
michael@0:   onOptIn: function () {
michael@0:     policy.recordHealthReportUploadEnabled(true,
michael@0:                                            "Health report page sent opt-in command.");
michael@0:     this.updatePrefState();
michael@0:   },
michael@0: 
michael@0:   onOptOut: function () {
michael@0:     policy.recordHealthReportUploadEnabled(false,
michael@0:                                            "Health report page sent opt-out command.");
michael@0:     this.updatePrefState();
michael@0:   },
michael@0: 
michael@0:   updatePrefState: function () {
michael@0:     try {
michael@0:       let prefs = {
michael@0:         enabled: policy.healthReportUploadEnabled,
michael@0:       }
michael@0:       this.injectData("prefs", prefs);
michael@0:     } catch (e) {
michael@0:       this.reportFailure(this.ERROR_PREFS_FAILED);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   refreshPayload: function () {
michael@0:     reporter.collectAndObtainJSONPayload().then(healthReportWrapper.updatePayload, 
michael@0:                                                 healthReportWrapper.handlePayloadFailure);
michael@0:   },
michael@0: 
michael@0:   updatePayload: function (data) {
michael@0:     healthReportWrapper.injectData("payload", data);
michael@0:   },
michael@0: 
michael@0:   injectData: function (type, content) {
michael@0:     let report = this._getReportURI();
michael@0:     
michael@0:     // file URIs can't be used for targetOrigin, so we use "*" for this special case
michael@0:     // in all other cases, pass in the URL to the report so we properly restrict the message dispatch
michael@0:     let reportUrl = report.scheme == "file" ? "*" : report.spec;
michael@0: 
michael@0:     let data = {
michael@0:       type: type,
michael@0:       content: content
michael@0:     }
michael@0: 
michael@0:     let iframe = document.getElementById("remote-report");
michael@0:     iframe.contentWindow.postMessage(data, reportUrl);
michael@0:   },
michael@0: 
michael@0:   handleRemoteCommand: function (evt) {
michael@0:     switch (evt.detail.command) {
michael@0:       case "DisableDataSubmission":
michael@0:         this.onOptOut();
michael@0:         break;
michael@0:       case "EnableDataSubmission":
michael@0:         this.onOptIn();
michael@0:         break;
michael@0:       case "RequestCurrentPrefs":
michael@0:         this.updatePrefState();
michael@0:         break;
michael@0:       case "RequestCurrentPayload":
michael@0:         this.refreshPayload();
michael@0:         break;
michael@0:       default:
michael@0:         Cu.reportError("Unexpected remote command received: " + evt.detail.command + ". Ignoring command.");
michael@0:         break;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   initRemotePage: function () {
michael@0:     let iframe = document.getElementById("remote-report").contentDocument;
michael@0:     iframe.addEventListener("RemoteHealthReportCommand",
michael@0:                             function onCommand(e) {healthReportWrapper.handleRemoteCommand(e);},
michael@0:                             false);
michael@0:     healthReportWrapper.updatePrefState();
michael@0:   },
michael@0: 
michael@0:   // error handling
michael@0:   ERROR_INIT_FAILED:    1,
michael@0:   ERROR_PAYLOAD_FAILED: 2,
michael@0:   ERROR_PREFS_FAILED:   3,
michael@0: 
michael@0:   reportFailure: function (error) {
michael@0:     let details = {
michael@0:       errorType: error,
michael@0:     }
michael@0:     healthReportWrapper.injectData("error", details);
michael@0:   },
michael@0: 
michael@0:   handleInitFailure: function () {
michael@0:     healthReportWrapper.reportFailure(healthReportWrapper.ERROR_INIT_FAILED);
michael@0:   },
michael@0: 
michael@0:   handlePayloadFailure: function () {
michael@0:     healthReportWrapper.reportFailure(healthReportWrapper.ERROR_PAYLOAD_FAILED);
michael@0:   },
michael@0: }
michael@0: 
michael@0: window.addEventListener("load", function () { healthReportWrapper.init(); });
michael@0: window.addEventListener("unload", function () { healthReportWrapper.uninit(); });