| // 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_ |