Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/find_bar/find_bar_controller_ios.h

+// Copyright 2012 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_FIND_BAR_FIND_BAR_CONTROLLER_IOS_H_
+#define IOS_CHROME_BROWSER_UI_FIND_BAR_FIND_BAR_CONTROLLER_IOS_H_
+
+#import <UIKit/UIKit.h>
+
+@class FindInPageModel;
+
+// The a11y ID of the find-in-page bar.
+extern NSString* const kFindInPageContainerViewId;
+
+@interface FindBarControllerIOS : NSObject
+
+// The main view, for both iPhone or iPad.
+@property(nonatomic, readonly) IBOutlet UIView* view;
+
+// Init with incognito style.
+- (instancetype)initWithIncognito:(BOOL)isIncognito;
+// Current input search term.
+- (NSString*)searchTerm;
+// Update view based on model. If |focusTextfield| is YES, focus the
+// textfield. Updates the results count and, if |initialUpdate| is true, fills
+// the text field with search term from the model.
+- (void)updateView:(FindInPageModel*)model
+     initialUpdate:(BOOL)initialUpdate
+    focusTextfield:(BOOL)focusTextfield;
+
+// Updates the results count in Find Bar.
+- (void)updateResultsCount:(FindInPageModel*)model;
+
+// Display find bar view. On iPad, it makes best effort to horizontally align
+// find bar with alignment frame, unless alignment frame is too wide or too
+// narrow. When too wide, the find bar is shorter and right-aligned. When
+// |alignmentFrame| is too narrow, the find bar will horizontally fill |view|.
+// If |selectText| flag is YES, the text in the text input field will be
+// selected.
+- (void)addFindBarView:(BOOL)animate
+              intoView:(UIView*)view
+             withFrame:(CGRect)frame
+        alignWithFrame:(CGRect)alignmentFrame
+            selectText:(BOOL)selectText;
+// Hide find bar view.
+- (void)hideFindBarView:(BOOL)animate;
+// Hide the keyboard when the find next/previous buttons are pressed.
+- (IBAction)hideKeyboard:(id)sender;
+// Indicates that Find in Page is shown. When true, |view| is guaranteed not to
+// be nil.
+- (BOOL)isFindInPageShown;
+// Indicates that the Find in Page text field is first responder.
+- (BOOL)isFocused;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_FIND_BAR_FIND_BAR_CONTROLLER_IOS_H_