ios/chrome/browser/ui/omnibox/popup/omnibox_popup_mediator.h

// Copyright 2017 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.

#ifndef IOS_CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_POPUP_MEDIATOR_H_
#define IOS_CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_POPUP_MEDIATOR_H_

#import <UIKit/UIKit.h>
#include "components/omnibox/browser/autocomplete_result.h"

#import "ios/chrome/browser/ui/omnibox/autocomplete_result_consumer.h"
#import "ios/chrome/browser/ui/omnibox/image_retriever.h"

@protocol BrowserCommands;
@class OmniboxPopupPresenter;

namespace image_fetcher {
class IOSImageDataFetcherWrapper;
}  // namespace

class OmniboxPopupMediatorDelegate {
 public:
  virtual bool IsStarredMatch(const AutocompleteMatch& match) const = 0;
  virtual void OnMatchSelected(const AutocompleteMatch& match, size_t row) = 0;
  virtual void OnMatchSelectedForAppending(const AutocompleteMatch& match) = 0;
  virtual void OnMatchSelectedForDeletion(const AutocompleteMatch& match) = 0;
  virtual void OnScroll() = 0;
  virtual void OnMatchHighlighted(size_t row) = 0;
};

@interface OmniboxPopupMediator
    : NSObject<AutocompleteResultConsumerDelegate, ImageRetriever>

// Designated initializer. Takes ownership of |imageFetcher|.
- (instancetype)initWithFetcher:
                    (std::unique_ptr<image_fetcher::IOSImageDataFetcherWrapper>)
                        imageFetcher
                       delegate:(OmniboxPopupMediatorDelegate*)delegate;

// Whether the mediator has results to show.
@property(nonatomic, assign) BOOL hasResults;

- (void)updateMatches:(const AutocompleteResult&)result
        withAnimation:(BOOL)animated;

// Sets the text alignment of the popup content.
- (void)setTextAlignment:(NSTextAlignment)alignment;

// Updates the popup with the |results|.
- (void)updateWithResults:(const AutocompleteResult&)results;

@property(nonatomic, weak) id<BrowserCommands> dispatcher;
@property(nonatomic, weak) id<AutocompleteResultConsumer> consumer;
@property(nonatomic, assign, getter=isIncognito) BOOL incognito;
// Whether the popup is open.
@property(nonatomic, assign, getter=isOpen) BOOL open;
// Presenter for the popup, handling the positioning and the presentation
// animations.
@property(nonatomic, strong) OmniboxPopupPresenter* presenter;

@end

#endif  // IOS_CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_POPUP_MEDIATOR_H_