/*
 Copyright 2015 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

#import <UIKit/UIKit.h>

#import "MXKView.h"

@protocol MXKRoomActivitiesViewDelegate;

/**
 Customize UIView to display some extra info above the RoomInputToolBar
 */
@interface MXKRoomActivitiesView : MXKView

@property (nonatomic) CGFloat height;

@property (weak, nonatomic) id<MXKRoomActivitiesViewDelegate> delegate;

/**
 Returns the `UINib` object initialized for a `MXKRoomActivitiesView`.
 
 @return The initialized `UINib` object or `nil` if there were errors during initialization
 or the nib file could not be located.
 
 @discussion You may override this method to provide a customized nib. If you do,
 you should also override `roomActivitiesView` to return your
 view controller loaded from your custom nib.
 */
+ (UINib *)nib;

/**
 Creates and returns a new `MXKRoomActivitiesView-inherited` object.
 
 @discussion This is the designated initializer for programmatic instantiation.
 @return An initialized `MXKRoomActivitiesView-inherited` object if successful, `nil` otherwise.
 */
+ (instancetype)roomActivitiesView;

/**
 Dispose any resources and listener.
 */
- (void)destroy;

@end

@protocol MXKRoomActivitiesViewDelegate <NSObject>

/**
 Called when the activities view height changes.

 @param roomActivitiesView the MXKRoomActivitiesView instance.
 @param oldHeight its previous height.
 @param newHeight its new height.
 */
- (void)didChangeHeight:(MXKRoomActivitiesView*)roomActivitiesView oldHeight:(CGFloat)oldHeight newHeight:(CGFloat)newHeight;

@end