1 files changed, 99 insertions, 0 deletions
diff --git a/mobile/android/modules/geckoview/GeckoViewClipboardPermission.sys.mjs b/mobile/android/modules/geckoview/GeckoViewClipboardPermission.sys.mjs
new file mode 100644
index 0000000000..2c8e55c380
--- /dev/null
+++ b/mobile/android/modules/geckoview/GeckoViewClipboardPermission.sys.mjs
@@ -0,0 +1,99 @@
+/* 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/. */
+
+const lazy = {};
+ChromeUtils.defineESModuleGetters(lazy, {
+  PromptUtils: "resource://gre/modules/PromptUtils.sys.mjs",
+});
+
+import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
+
+const { debug } = GeckoViewUtils.initLogging("GeckoViewClipboardPermission");
+
+export var GeckoViewClipboardPermission = {
+  confirmUserPaste(aWindowContext) {
+    return new Promise((resolve, reject) => {
+      if (!aWindowContext) {
+        reject(
+          Components.Exception("Null window context.", Cr.NS_ERROR_INVALID_ARG)
+        );
+        return;
+      }
+
+      const { document } = aWindowContext.browsingContext.topChromeWindow;
+      if (!document) {
+        reject(
+          Components.Exception(
+            "Unable to get chrome document.",
+            Cr.NS_ERROR_FAILURE
+          )
+        );
+        return;
+      }
+
+      if (this._pendingRequest) {
+        reject(
+          Components.Exception(
+            "There is an ongoing request.",
+            Cr.NS_ERROR_FAILURE
+          )
+        );
+        return;
+      }
+
+      this._pendingRequest = { resolve, reject };
+
+      const mouseXInCSSPixels = {};
+      const mouseYInCSSPixels = {};
+      const windowUtils = document.ownerGlobal.windowUtils;
+      windowUtils.getLastOverWindowPointerLocationInCSSPixels(
+        mouseXInCSSPixels,
+        mouseYInCSSPixels
+      );
+      const screenRect = windowUtils.toScreenRect(
+        mouseXInCSSPixels.value,
+        mouseYInCSSPixels.value,
+        0,
+        0
+      );
+
+      debug`confirmUserPaste (${screenRect.x}, ${screenRect.y})`;
+
+      document.addEventListener("pointerdown", this);
+      document.ownerGlobal.WindowEventDispatcher.sendRequestForResult({
+        type: "GeckoView:ClipboardPermissionRequest",
+        screenPoint: {
+          x: screenRect.x,
+          y: screenRect.y,
+        },
+      }).then(
+        allowOrDeny => {
+          const propBag = lazy.PromptUtils.objectToPropBag({ ok: allowOrDeny });
+          this._pendingRequest.resolve(propBag);
+          this._pendingRequest = null;
+          document.removeEventListener("pointerdown", this);
+        },
+        error => {
+          debug`Permission error: ${error}`;
+          this._pendingRequest.reject();
+          this._pendingRequest = null;
+          document.removeEventListener("pointerdown", this);
+        }
+      );
+    });
+  },
+
+  // EventListener interface.
+  handleEvent(aEvent) {
+    debug`handleEvent: ${aEvent.type}`;
+    switch (aEvent.type) {
+      case "pointerdown": {
+        aEvent.target.ownerGlobal.WindowEventDispatcher.sendRequestForResult({
+          type: "GeckoView:DismissClipboardPermissionRequest",
+        });
+        break;
+      }
+    }
+  },
+};