ios/chrome/browser/ui/bookmarks/bookmark_elevated_toolbar.mm

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#import "ios/chrome/browser/ui/bookmarks/bookmark_elevated_toolbar.h"

#import "ios/third_party/material_components_ios/src/components/ShadowElevations/src/MaterialShadowElevations.h"
#import "ios/third_party/material_components_ios/src/components/ShadowLayer/src/MaterialShadowLayer.h"

#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif

@implementation BookmarksElevatedToolbar
@synthesize shadowLayer = _shadowLayer;

#pragma mark - Properties

- (MDCShadowLayer*)shadowLayer {
  if (!_shadowLayer) {
    _shadowLayer = [[MDCShadowLayer alloc] init];
    _shadowLayer.elevation = MDCShadowElevationNone;
    [self.layer addSublayer:self.shadowLayer];
  }
  return _shadowLayer;
}

- (void)setShadowElevation:(CGFloat)shadowElevation {
  self.shadowLayer.elevation = shadowElevation;
}

- (CGFloat)shadowElevation {
  return self.shadowLayer.elevation;
}

#pragma mark - UIView

- (void)layoutSubviews {
  [super layoutSubviews];
  self.shadowLayer.frame = self.layer.bounds;
}

@end