// Copyright 2014 The Chromium Authors
// 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_MODEL_PRINT_PRINT_TAB_HELPER_H_
#define IOS_CHROME_BROWSER_WEB_MODEL_PRINT_PRINT_TAB_HELPER_H_
#import "base/memory/raw_ptr.h"
#import "ios/web/public/lazy_web_state_user_data.h"
#include "ios/web/public/web_state_observer.h"
@protocol WebStatePrinter;
// Handles print requests from JavaScript window.print.
class PrintTabHelper : public web::LazyWebStateUserData<PrintTabHelper> {
public:
explicit PrintTabHelper(web::WebState* web_state);
PrintTabHelper(const PrintTabHelper&) = delete;
PrintTabHelper& operator=(const PrintTabHelper&) = delete;
~PrintTabHelper() override;
// Sets the `printer`, which is held weakly by this object.
void set_printer(id<WebStatePrinter> printer);
// Prints `web_state_` using `printer_`. Does nothing if printing is
// disabled, for example by policy.
void Print();
private:
friend class web::LazyWebStateUserData<PrintTabHelper>;
raw_ptr<web::WebState> web_state_;
__weak id<WebStatePrinter> printer_ = nil;
WEB_STATE_USER_DATA_KEY_DECL();
};
#endif // IOS_CHROME_BROWSER_WEB_MODEL_PRINT_PRINT_TAB_HELPER_H_