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authorMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
commitac46df8daea09899ce30dc8fd70986e258c746bf (patch)
tree2750d3125fc253fd5b0671e4bd268eff1fd97296 /toolkit/jetpack/sdk/content/tab-events.js
parent8cecf8d5208f3945b35f879bba3015bb1a11bec6 (diff)
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Move Add-on SDK source to toolkit/jetpack
Diffstat (limited to 'toolkit/jetpack/sdk/content/tab-events.js')
-rw-r--r--toolkit/jetpack/sdk/content/tab-events.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/toolkit/jetpack/sdk/content/tab-events.js b/toolkit/jetpack/sdk/content/tab-events.js
new file mode 100644
index 000000000..9e244a853
--- /dev/null
+++ b/toolkit/jetpack/sdk/content/tab-events.js
@@ -0,0 +1,58 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const { Ci } = require('chrome');
+const system = require('sdk/system/events');
+const { frames } = require('sdk/remote/child');
+const { WorkerChild } = require('sdk/content/worker-child');
+
+// map observer topics to tab event names
+const EVENTS = {
+ 'content-document-global-created': 'create',
+ 'chrome-document-global-created': 'create',
+ 'content-document-interactive': 'ready',
+ 'chrome-document-interactive': 'ready',
+ 'content-document-loaded': 'load',
+ 'chrome-document-loaded': 'load',
+// 'content-page-shown': 'pageshow', // bug 1024105
+}
+
+function topicListener({ subject, type }) {
+ // NOTE detect the window from the subject:
+ // - on *-global-created the subject is the window
+ // - in the other cases it is the document object
+ let window = subject instanceof Ci.nsIDOMWindow ? subject : subject.defaultView;
+ if (!window){
+ return;
+ }
+ let frame = frames.getFrameForWindow(window);
+ if (frame) {
+ let readyState = frame.content.document.readyState;
+ frame.port.emit('sdk/tab/event', EVENTS[type], { readyState });
+ }
+}
+
+for (let topic in EVENTS)
+ system.on(topic, topicListener, true);
+
+// bug 1024105 - content-page-shown notification doesn't pass persisted param
+function eventListener({target, type, persisted}) {
+ let frame = this;
+ if (target === frame.content.document) {
+ frame.port.emit('sdk/tab/event', type, persisted);
+ }
+}
+frames.addEventListener('pageshow', eventListener, true);
+
+frames.port.on('sdk/tab/attach', (frame, options) => {
+ options.window = frame.content;
+ new WorkerChild(options);
+});
+
+// Forward the existent frames's readyState.
+for (let frame of frames) {
+ let readyState = frame.content.document.readyState;
+ frame.port.emit('sdk/tab/event', 'init', { readyState });
+}