1// Copyright 2017 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#import "ios/chrome/browser/find_in_page/find_tab_helper.h" 6 7#include "base/memory/ptr_util.h" 8#include "base/metrics/user_metrics.h" 9#include "base/metrics/user_metrics_action.h" 10#import "ios/chrome/browser/find_in_page/find_in_page_controller.h" 11#import "ios/chrome/browser/find_in_page/find_in_page_model.h" 12 13#if !defined(__has_feature) || !__has_feature(objc_arc) 14#error "This file requires ARC support." 15#endif 16 17FindTabHelper::FindTabHelper(web::WebState* web_state) { 18 web_state->AddObserver(this); 19 controller_ = [[FindInPageController alloc] initWithWebState:web_state]; 20} 21 22FindTabHelper::~FindTabHelper() {} 23 24void FindTabHelper::SetResponseDelegate( 25 id<FindInPageResponseDelegate> response_delegate) { 26 controller_.responseDelegate = response_delegate; 27} 28 29void FindTabHelper::StartFinding(NSString* search_term) { 30 [controller_ findStringInPage:search_term]; 31} 32 33void FindTabHelper::ContinueFinding(FindDirection direction) { 34 if (direction == FORWARD) { 35 [controller_ findNextStringInPage]; 36 37 } else if (direction == REVERSE) { 38 [controller_ findPreviousStringInPage]; 39 40 } else { 41 NOTREACHED(); 42 } 43} 44 45void FindTabHelper::StopFinding() { 46 SetFindUIActive(false); 47 [controller_ disableFindInPage]; 48} 49 50FindInPageModel* FindTabHelper::GetFindResult() const { 51 return controller_.findInPageModel; 52} 53 54bool FindTabHelper::CurrentPageSupportsFindInPage() const { 55 return [controller_ canFindInPage]; 56} 57 58bool FindTabHelper::IsFindUIActive() const { 59 return controller_.findInPageModel.enabled; 60} 61 62void FindTabHelper::SetFindUIActive(bool active) { 63 controller_.findInPageModel.enabled = active; 64} 65 66void FindTabHelper::PersistSearchTerm() { 67 [controller_ saveSearchTerm]; 68} 69 70void FindTabHelper::RestoreSearchTerm() { 71 [controller_ restoreSearchTerm]; 72} 73 74void FindTabHelper::WebStateDestroyed(web::WebState* web_state) { 75 [controller_ detachFromWebState]; 76 web_state->RemoveObserver(this); 77} 78 79void FindTabHelper::DidFinishNavigation( 80 web::WebState* web_state, 81 web::NavigationContext* navigation_context) { 82 if (IsFindUIActive()) { 83 StopFinding(); 84 } 85} 86 87WEB_STATE_USER_DATA_KEY_IMPL(FindTabHelper) 88