New context lost / restored events

Author: photonstorm

src/core/events/CONTEXT_LOST_EVENT.js

@@ -0,0 +1,17 @@
+/**
+ * @author       Richard Davey <rich@photonstorm.com>
+ * @copyright    2019 Photon Storm Ltd.
+ * @license      {@link https://opensource.org/licenses/MIT|MIT License}
+ */
+
+/**
+ * The Game Context Lost Event.
+ * 
+ * This event is dispatched by the Game if the WebGL Renderer it is using encounters a WebGL Context Lost event from the browser.
+ * 
+ * The partner event is `CONTEXT_RESTORED`.
+ *
+ * @event Phaser.Core.Events#CONTEXT_LOST
+ * @since 3.19.0
+ */
+module.exports = 'contextlost';

src/core/events/CONTEXT_RESTORED_EVENT.js

@@ -0,0 +1,17 @@
+/**
+ * @author       Richard Davey <rich@photonstorm.com>
+ * @copyright    2019 Photon Storm Ltd.
+ * @license      {@link https://opensource.org/licenses/MIT|MIT License}
+ */
+
+/**
+ * The Game Context Restored Event.
+ * 
+ * This event is dispatched by the Game if the WebGL Renderer it is using encounters a WebGL Context Restored event from the browser.
+ * 
+ * The partner event is `CONTEXT_LOST`.
+ *
+ * @event Phaser.Core.Events#CONTEXT_RESTORED
+ * @since 3.19.0
+ */
+module.exports = 'contextrestored';

src/core/events/index.js

@@ -12,6 +12,8 @@ module.exports = {
 
     BLUR: require('./BLUR_EVENT'),
     BOOT: require('./BOOT_EVENT'),
+    CONTEXT_LOST: require('./CONTEXT_LOST_EVENT'),
+    CONTEXT_RESTORED: require('./CONTEXT_RESTORED_EVENT'),
     DESTROY: require('./DESTROY_EVENT'),
     FOCUS: require('./FOCUS_EVENT'),
     HIDDEN: require('./HIDDEN_EVENT'),