INNER CODE UNIT · JavaScript
bindButtonChannel
apache/cordova-android · cordova-js-src/platform.js:58
function bindButtonChannel (buttonName) {
// generic button bind used for volumeup/volumedown buttons
var volumeButtonChannel = cordova.addDocumentEventHandler(buttonName + 'button');
volumeButtonChannel.onHasSubscribersChange = function () {
exec(null, null, APP_PLUGIN_NAME, 'overrideButton', [buttonName, this.numHandlers === 1]);
};
}
// Inject a listener for the volume buttons on the document.
bindButtonChannel('volumeup');
bindButtonChannel('volumedown');
// The resume event is not "sticky", but it is possible that the event
// will contain the result of a plugin call. We need to ensure that the
// plugin result is delivered even after the event is fired (CB-10498)
var cordovaAddEventListener = document.addEventListener;
document.addEventListener = function (evt, handler, capture) {
cordovaAddEventListener(evt, handler, capture);