// Copyright 2023 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_CHROME_BROWSER_UI_TAB_SWITCHER_TAB_GRID_TRANSITIONS_ANIMATIONS_CENTERED_ZOOM_TRANSITION_ANIMATION_H_
#define IOS_CHROME_BROWSER_UI_TAB_SWITCHER_TAB_GRID_TRANSITIONS_ANIMATIONS_CENTERED_ZOOM_TRANSITION_ANIMATION_H_
#import <UIKit/UIKit.h>
#import "ios/chrome/browser/ui/tab_switcher/tab_grid/transitions/animations/tab_grid_transition_animation.h"
namespace {
// The directions the animation can take.
enum class CenteredZoomTransitionAnimationDirection {
kContracting,
kExpanding,
};
} // namespace
// The animation here creates a simple quick zoom effect -- the tab view
// fades in/out as it expands/contracts. The zoom is not large (75% to 100%)
// and is centered on the view's final center position, so it's not directly
// connected to any tab grid positions.
@interface CenteredZoomTransitionAnimation
: NSObject <TabGridTransitionAnimation>
// Creates an animation with a `view` to be animated and an animation
// `direction`.
- (instancetype)initWithView:(UIView*)view
direction:(CenteredZoomTransitionAnimationDirection)direction
NS_DESIGNATED_INITIALIZER;
- (instancetype)init NS_UNAVAILABLE;
@end
#endif // IOS_CHROME_BROWSER_UI_TAB_SWITCHER_TAB_GRID_TRANSITIONS_ANIMATIONS_CENTERED_ZOOM_TRANSITION_ANIMATION_H_
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