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// Copyright 2018 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_WEB_JAVA_SCRIPT_CONSOLE_JAVA_SCRIPT_CONSOLE_TAB_HELPER_H_
#define IOS_CHROME_BROWSER_WEB_JAVA_SCRIPT_CONSOLE_JAVA_SCRIPT_CONSOLE_TAB_HELPER_H_
#include "base/values.h"
#include "ios/chrome/browser/web/java_script_console/java_script_console_tab_helper_delegate.h"
#include "ios/web/public/web_state/web_state_observer.h"
#import "ios/web/public/web_state/web_state_user_data.h"
namespace web {
class WebFrame;
class WebState;
} // namespace web
// Receives JavaScript console log messages and forwards them to the delegate.
class JavaScriptConsoleTabHelper
: public web::WebStateUserData<JavaScriptConsoleTabHelper>,
public web::WebStateObserver {
public:
~JavaScriptConsoleTabHelper() override;
// The delegate associated with the receiver. The delegate will be notified of
// new JavaScript messages.
void SetDelegate(JavaScriptConsoleTabHelperDelegate* delegate);
private:
// Handles the received JavaScript messages.
bool OnJavaScriptConsoleMessage(const base::DictionaryValue& message,
const GURL& page_url,
bool has_user_gesture,
bool main_frame,
web::WebFrame* sender_frame);
// WebStateObserver overrides.
void WebStateDestroyed(web::WebState* web_state) override;
explicit JavaScriptConsoleTabHelper(web::WebState* web_state);
friend class web::WebStateUserData<JavaScriptConsoleTabHelper>;
// The delegate associated with the receiver.
JavaScriptConsoleTabHelperDelegate* delegate_ = nullptr;
// The WebState this instance is observing. Will be null after
// WebStateDestroyed has been called.
web::WebState* web_state_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(JavaScriptConsoleTabHelper);
};
#endif // IOS_CHROME_BROWSER_WEB_JAVA_SCRIPT_CONSOLE_JAVA_SCRIPT_CONSOLE_TAB_HELPER_H_