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-rw-r--r--browser/base/content/test/fullscreen/FullscreenFrame.sys.mjs103
1 files changed, 103 insertions, 0 deletions
diff --git a/browser/base/content/test/fullscreen/FullscreenFrame.sys.mjs b/browser/base/content/test/fullscreen/FullscreenFrame.sys.mjs
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+++ b/browser/base/content/test/fullscreen/FullscreenFrame.sys.mjs
@@ -0,0 +1,103 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * test helper JSWindowActors used by the browser_fullscreen_api_fission.js test.
+ */
+
+export class FullscreenFrameChild extends JSWindowActorChild {
+ actorCreated() {
+ this.fullscreen_events = [];
+ }
+
+ changed() {
+ return new Promise(resolve => {
+ this.contentWindow.document.addEventListener(
+ "fullscreenchange",
+ () => resolve(),
+ {
+ once: true,
+ }
+ );
+ });
+ }
+
+ requestFullscreen() {
+ let doc = this.contentWindow.document;
+ let button = doc.createElement("button");
+ doc.body.appendChild(button);
+
+ return new Promise(resolve => {
+ button.onclick = () => {
+ doc.body.requestFullscreen().then(resolve);
+ doc.body.removeChild(button);
+ };
+ button.click();
+ });
+ }
+
+ receiveMessage(msg) {
+ switch (msg.name) {
+ case "WaitForChange":
+ return this.changed();
+ case "ExitFullscreen":
+ return this.contentWindow.document.exitFullscreen();
+ case "RequestFullscreen":
+ this.browsingContext.isActive = true;
+ return Promise.all([this.changed(), this.requestFullscreen()]);
+ case "CreateChild":
+ let child = msg.data;
+ let iframe = this.contentWindow.document.createElement("iframe");
+ iframe.allow = child.allow_fullscreen ? "fullscreen" : "";
+ iframe.name = child.name;
+
+ let loaded = new Promise(resolve => {
+ iframe.addEventListener(
+ "load",
+ () => resolve(iframe.browsingContext),
+ { once: true }
+ );
+ });
+ iframe.src = child.url;
+ this.contentWindow.document.body.appendChild(iframe);
+ return loaded;
+ case "GetEvents":
+ return Promise.resolve(this.fullscreen_events);
+ case "ClearEvents":
+ this.fullscreen_events = [];
+ return Promise.resolve();
+ case "GetFullscreenElement":
+ let document = this.contentWindow.document;
+ let child_iframe = this.contentWindow.document.getElementsByTagName(
+ "iframe"
+ )
+ ? this.contentWindow.document.getElementsByTagName("iframe")[0]
+ : null;
+ switch (document.fullscreenElement) {
+ case null:
+ return Promise.resolve("null");
+ case document:
+ return Promise.resolve("document");
+ case document.body:
+ return Promise.resolve("body");
+ case child_iframe:
+ return Promise.resolve("child_iframe");
+ default:
+ return Promise.resolve("other");
+ }
+ }
+
+ return Promise.reject("Unexpected Message");
+ }
+
+ async handleEvent(event) {
+ switch (event.type) {
+ case "fullscreenchange":
+ this.fullscreen_events.push(true);
+ break;
+ case "fullscreenerror":
+ this.fullscreen_events.push(false);
+ break;
+ }
+ }
+}