| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IOS_WEB_COMMON_CRW_VIEWPORT_ADJUSTMENT_H_ |
| #define IOS_WEB_COMMON_CRW_VIEWPORT_ADJUSTMENT_H_ |
| |
| #import <UIKit/UIKit.h> |
| |
| // Protocol used to update a page's viewport when part of the web view is |
| // covered by browser UI (e.g. toolbars). |
| @protocol CRWViewportAdjustment <NSObject> |
| // The viewport insets into the web view that are covered by the Browser UI. |
| @property(nonatomic, assign) UIEdgeInsets viewportInsets; |
| // The viewport's affected viewport edges that are affected by the web view's |
| // safe area insets. |
| @property(nonatomic, readonly) UIRectEdge viewportEdgesAffectedBySafeArea; |
| |
| // Updates maximum and minimum viewport insets for the wrapper. |
| - (void)updateMinViewportInsets:(UIEdgeInsets)minInsets |
| maxViewportInsets:(UIEdgeInsets)maxInsets; |
| |
| @end |
| |
| #endif // IOS_WEB_COMMON_CRW_VIEWPORT_ADJUSTMENT_H_ |