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// Copyright 2015 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_WEB_WEB_VIEW_COUNTER_IMPL_H_
#define IOS_WEB_WEB_VIEW_COUNTER_IMPL_H_
#include <stddef.h>
#import <WebKit/WebKit.h>
#include "base/macros.h"
#include "base/supports_user_data.h"
#include "ios/web/public/web_view_counter.h"
#import "ios/web/weak_nsobject_counter.h"
namespace web {
class WebViewCounterImpl : public WebViewCounter,
public base::SupportsUserData::Data {
public:
WebViewCounterImpl();
~WebViewCounterImpl() override;
// Returns the WebViewCounterImpl for the given |browser_state|. Lazily
// attaches one if it does not exist. |browser_state| cannot be null.
static web::WebViewCounterImpl* FromBrowserState(
web::BrowserState* browser_state);
// WebViewCounter methods.
size_t GetWKWebViewCount() override;
// Inserts a WKWebView for tracking. |wk_web_view| cannot be null.
void InsertWKWebView(WKWebView* wk_web_view);
private:
// The WeakNSObjectCounter that counts WKWebViews.
WeakNSObjectCounter wk_web_view_counter_;
DISALLOW_COPY_AND_ASSIGN(WebViewCounterImpl);
};
} // namespace web
#endif // IOS_WEB_WEB_VIEW_COUNTER_IMPL_H_
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