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-rw-r--r--toolkit/mozapps/extensions/content/drag-drop-addon-installer.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/content/drag-drop-addon-installer.js b/toolkit/mozapps/extensions/content/drag-drop-addon-installer.js
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+++ b/toolkit/mozapps/extensions/content/drag-drop-addon-installer.js
@@ -0,0 +1,81 @@
+/* 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/. */
+/* import-globals-from aboutaddonsCommon.js */
+
+"use strict";
+
+class DragDropAddonInstaller extends HTMLElement {
+ connectedCallback() {
+ window.addEventListener("drop", this);
+ }
+
+ disconnectedCallback() {
+ window.removeEventListener("drop", this);
+ }
+
+ canInstallFromEvent(e) {
+ let types = e.dataTransfer.types;
+ return (
+ types.includes("text/uri-list") ||
+ types.includes("text/x-moz-url") ||
+ types.includes("application/x-moz-file")
+ );
+ }
+
+ handleEvent(e) {
+ if (!XPINSTALL_ENABLED) {
+ // Nothing to do if we can't install add-ons.
+ return;
+ }
+
+ if (e.type == "drop" && this.canInstallFromEvent(e)) {
+ this.onDrop(e);
+ }
+ }
+
+ async onDrop(e) {
+ e.preventDefault();
+
+ let dataTransfer = e.dataTransfer;
+ let browser = getBrowserElement();
+ let urls = [];
+
+ // Convert every dropped item into a url, without this should be sync.
+ for (let i = 0; i < dataTransfer.mozItemCount; i++) {
+ let url = dataTransfer.mozGetDataAt("text/uri-list", i);
+ if (!url) {
+ url = dataTransfer.mozGetDataAt("text/x-moz-url", i);
+ }
+ if (url) {
+ url = url.split("\n")[0];
+ } else {
+ let file = dataTransfer.mozGetDataAt("application/x-moz-file", i);
+ if (file) {
+ url = Services.io.newFileURI(file).spec;
+ }
+ }
+
+ if (url) {
+ urls.push(url);
+ }
+ }
+
+ // Install the add-ons, the await clears the event data so we do this last.
+ for (let url of urls) {
+ let install = await AddonManager.getInstallForURL(url, {
+ telemetryInfo: {
+ source: "about:addons",
+ method: "drag-and-drop",
+ },
+ });
+
+ AddonManager.installAddonFromAOM(
+ browser,
+ document.documentURIObject,
+ install
+ );
+ }
+ }
+}
+customElements.define("drag-drop-addon-installer", DragDropAddonInstaller);