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- import { setLastN } from '../../base/conference';
- import { setVideoMuted } from '../../base/media';
-
- import {
- _SET_APP_STATE_LISTENER,
- _SET_BACKGROUND_VIDEO_MUTED,
- APP_STATE_CHANGED
- } from './actionTypes';
-
- /**
- * Sets the listener to be used with React Native's AppState API.
- *
- * @param {Function} listener - Function to be set as the change event listener.
- * @protected
- * @returns {{
- * type: _SET_APP_STATE_LISTENER,
- * listener: Function
- * }}
- */
- export function _setAppStateListener(listener: ?Function) {
- return {
- type: _SET_APP_STATE_LISTENER,
- listener
- };
- }
-
- /**
- * Signals that the app should mute video because it's now running in the
- * background, or unmute it because it came back from the background. If video
- * was already muted nothing will happen; otherwise, it will be muted. When
- * coming back from the background the previous state will be restored.
- *
- * @param {boolean} muted - True if video should be muted; false, otherwise.
- * @protected
- * @returns {Function}
- */
- export function _setBackgroundVideoMuted(muted: boolean) {
- return (dispatch, getState) => {
- // Disable remote video when we mute by setting lastN to 0. Skip it if
- // the conference is in audio-only mode, as it's already configured to
- // have no video. Leave it as undefined when unmuting, the default value
- // for last N will be chosen automatically.
- const { audioOnly } = getState()['features/base/conference'];
-
- if (audioOnly) {
- return;
- }
-
- dispatch(setLastN(muted ? 0 : undefined));
-
- if (muted) {
- const { video } = getState()['features/base/media'];
-
- if (video.muted) {
- // Video is already muted, do nothing.
- return;
- }
- } else {
- const { videoMuted } = getState()['features/background'];
-
- if (!videoMuted) {
- // We didn't mute video, do nothing.
- return;
- }
- }
-
- // Remember that local video was muted due to the app going to the
- // background vs user's choice.
- dispatch({
- type: _SET_BACKGROUND_VIDEO_MUTED,
- muted
- });
- dispatch(setVideoMuted(muted));
- };
- }
-
- /**
- * Signals that the App state has changed (in terms of execution state). The
- * application can be in 3 states: 'active', 'inactive' and 'background'.
- *
- * @param {string} appState - The new App state.
- * @public
- * @returns {{
- * type: APP_STATE_CHANGED,
- * appState: string
- * }}
- * @see {@link https://facebook.github.io/react-native/docs/appstate.html}
- */
- export function appStateChanged(appState: string) {
- return {
- type: APP_STATE_CHANGED,
- appState
- };
- }
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