Implement Window Management Permission Request #7210

Author: tobiu

apps/colors/view/HeaderToolbar.mjs

@@ -70,6 +70,11 @@ class HeaderToolbar extends Toolbar {
             ntype: 'component',
             cls  : ['header-spacer'],
             flex : 1
+        }, {
+            handler  : 'onEnableWindowManagementClick',
+            iconCls  : 'fa fa-window-restore',
+            reference: 'window-management-button',
+            text     : 'Enable Window Management'
         }, {
             handler  : 'onDetachGridButtonClick',
             iconCls  : 'fas fa-table',

apps/colors/view/ViewportController.mjs

@@ -193,6 +193,24 @@ class ViewportController extends Controller {
         await this.createBrowserWindow('pie-chart')
     }
 
+    /**
+     * @param {Object} data
+     */
+    async onEnableWindowManagementClick(data) {
+        let me       = this,
+            response = await Neo.main.addon.DragDrop.requestWindowManagementPermission(),
+            button   = me.getReference('window-management-button');
+
+        if (response.success) {
+            button.text = 'W-M enabled';
+            button.iconCls = 'fa fa-check-square';
+            button.disabled = true;
+        } else {
+            button.text = 'W-M disabled';
+            button.iconCls = 'fa fa-exclamation-triangle';
+        }
+    }
+
     /**
      * @param {Object} data
      */

src/main/addon/DragDrop.mjs

@@ -110,6 +110,7 @@ class DragDrop extends Base {
          */
         remote: {
             app: [
+                'requestWindowManagementPermission',
                 'setConfigs',
                 'setDragProxyElement'
             ]
@@ -411,6 +412,25 @@ class DragDrop extends Base {
         return false
     }
 
+    /**
+     * @returns {Promise<Object>}
+     */
+    async requestWindowManagementPermission() {
+        if (!window.isSecureContext || !('getScreenDetails' in window)) {
+            return {success: false, error: 'The Window Management API requires a secure context (HTTPS or localhost) and is not supported by this browser.'};
+        }
+
+        try {
+            await window.getScreenDetails();
+            return {success: true};
+        } catch (err) {
+            if (err.name === 'PermissionDeniedError') {
+                return {success: false, error: 'Permission to manage windows was denied.'};
+            }
+            return {success: false, error: `An unknown error occurred: ${err.message}`};
+        }
+    }
+
     /**
      * @param {Object} data
      * @param {Number} data.clientX