Improved overlay behavior for iOS

diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dialog.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dialog.js
index bed77c574d9f982a9cbf76cd90d020eb797d2f1f..42b4012d7a11f2140d005748dcd31c2caef27d96 100644 (file)
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dialog.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dialog.js
@@ -10,12 +10,12 @@ define(
        [
                'enquire',      'Ajax',       'Core',      'Dictionary',
                'Environment',  'Language',   'ObjectMap', 'Dom/ChangeListener',
-               'Dom/Traverse', 'Dom/Util',   'Ui/Confirmation', 'Ui/SimpleDropdown'
+               'Dom/Traverse', 'Dom/Util',   'Ui/Confirmation', 'Ui/Screen', 'Ui/SimpleDropdown'
        ],
        function(
                enquire,        Ajax,         Core,        Dictionary,
                Environment,    Language,     ObjectMap,   DomChangeListener,
-               DomTraverse,    DomUtil,      UiConfirmation, UiSimpleDropdown
+               DomTraverse,    DomUtil,      UiConfirmation, UiScreen, UiSimpleDropdown
        )
 {
        "use strict";
@@ -227,7 +227,23 @@ define(
                                this._createDialog(id, html, options);
                        }
                        
-                       return _dialogs.get(id);
+                       var data = _dialogs.get(id);
+                       
+                       // iOS breaks `position: fixed` when input elements or `contenteditable`
+                       // are focused, this will freeze the screen and force Safari to scroll
+                       // to the input field
+                       if (Environment.platform() === 'ios') {
+                               UiScreen.scrollDisable();
+                               
+                               window.setTimeout((function () {
+                                       var input = elBySel('input, textarea', data.content);
+                                       if (input !== null) {
+                                               input.focus();
+                                       }
+                               }).bind(this), 200);
+                       }
+                       
+                       return data;
                },
                
                /**
@@ -557,6 +573,10 @@ define(
                                data = _dialogs.get(_activeDialog);
                                elData(_container, 'close-on-click', (data.backdropCloseOnClick ? 'true' : 'false'));
                        }
+                       
+                       if (Environment.platform() === 'ios') {
+                               UiScreen.scrollEnable();
+                       }
                },
                
                /**