forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			143 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			143 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { XPCOMUtils } = ChromeUtils.importESModule(
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  "resource://gre/modules/XPCOMUtils.sys.mjs"
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);
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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  ExperimentAPI: "resource://nimbus/ExperimentAPI.sys.mjs",
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  RemoteL10n: "resource://activity-stream/lib/RemoteL10n.sys.mjs",
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});
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XPCOMUtils.defineLazyServiceGetters(lazy, {
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  AlertsService: ["@mozilla.org/alerts-service;1", "nsIAlertsService"],
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});
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const ToastNotification = {
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  // Allow testing to stub the alerts service.
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  get AlertsService() {
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    return lazy.AlertsService;
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  },
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  sendUserEventTelemetry(event, message, dispatch) {
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    const ping = {
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      message_id: message.id,
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      event,
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    };
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    dispatch({
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      type: "TOAST_NOTIFICATION_TELEMETRY",
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      data: { action: "toast_notification_user_event", ...ping },
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    });
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  },
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  /**
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   * Show a toast notification.
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   * @param message             Message containing content to show.
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   * @param dispatch            A function to dispatch resulting actions.
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   * @return                    boolean value capturing if toast notification was displayed.
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   */
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  async showToastNotification(message, dispatch) {
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    let { content } = message;
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    let title = await lazy.RemoteL10n.formatLocalizableText(content.title);
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    let body = await lazy.RemoteL10n.formatLocalizableText(content.body);
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    // The only link between background task message experiment and user
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    // re-engagement via the notification is the associated "tag".  Said tag is
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    // usually controlled by the message content, but for message experiments,
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    // we want to avoid a missing tag and to ensure a deterministic tag for
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    // easier analysis, including across branches.
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    let { tag } = content;
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    let experimentMetadata =
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      lazy.ExperimentAPI.getExperimentMetaData({
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        featureId: "backgroundTaskMessage",
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      }) || {};
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    if (
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      experimentMetadata?.active &&
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      experimentMetadata?.slug &&
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      experimentMetadata?.branch?.slug
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    ) {
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      // Like `my-experiment:my-branch`.
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      tag = `${experimentMetadata?.slug}:${experimentMetadata?.branch?.slug}`;
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    }
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    // There are two events named `IMPRESSION` the first one refers to telemetry
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    // while the other refers to ASRouter impressions used for the frequency cap
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    this.sendUserEventTelemetry("IMPRESSION", message, dispatch);
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    dispatch({ type: "IMPRESSION", data: message });
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    let alert = Cc["@mozilla.org/alert-notification;1"].createInstance(
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      Ci.nsIAlertNotification
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    );
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    let systemPrincipal = Services.scriptSecurityManager.getSystemPrincipal();
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    alert.init(
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      tag,
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      content.image_url
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        ? Services.urlFormatter.formatURL(content.image_url)
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        : content.image_url,
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      title,
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      body,
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      true /* aTextClickable */,
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      content.data,
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      null /* aDir */,
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      null /* aLang */,
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      null /* aData */,
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      systemPrincipal,
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      null /* aInPrivateBrowsing */,
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      content.requireInteraction
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    );
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    if (content.actions) {
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      let actions = Cu.cloneInto(content.actions, {});
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      for (let action of actions) {
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        if (action.title) {
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          action.title = await lazy.RemoteL10n.formatLocalizableText(
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            action.title
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          );
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        }
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        if (action.launch_action) {
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          action.opaqueRelaunchData = JSON.stringify(action.launch_action);
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          delete action.launch_action;
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        }
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      }
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      alert.actions = actions;
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    }
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    // Populate `opaqueRelaunchData`, prefering `launch_action` if given,
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    // falling back to `launch_url` if given.
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    let relaunchAction = content.launch_action;
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    if (!relaunchAction && content.launch_url) {
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      relaunchAction = {
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        type: "OPEN_URL",
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        data: {
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          args: content.launch_url,
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          where: "tab",
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        },
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      };
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    }
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    if (relaunchAction) {
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      alert.opaqueRelaunchData = JSON.stringify(relaunchAction);
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    }
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    let shownPromise = Promise.withResolvers();
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    let obs = (subject, topic, data) => {
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      if (topic === "alertshown") {
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        shownPromise.resolve();
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      }
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    };
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    this.AlertsService.showAlert(alert, obs);
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    await shownPromise;
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    return true;
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  },
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};
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const EXPORTED_SYMBOLS = ["ToastNotification"];
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