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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_TOOLBAR_BACK_FORWARD_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_BACK_FORWARD_BUTTON_H_
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/window_open_disposition.h"
class Browser;
class BackForwardButton : public ToolbarButton {
public:
METADATA_HEADER(BackForwardButton);
enum class Direction { kBack, kForward };
BackForwardButton(Direction direction,
PressedCallback callback,
Browser* browser);
BackForwardButton(const BackForwardButton&) = delete;
BackForwardButton& operator=(const BackForwardButton&) = delete;
~BackForwardButton() override;
private:
// views::Button:
void NotifyClick(const ui::Event& event) override;
void StateChanged(ButtonState old_state) override;
void OnMouseEntered(const ui::MouseEvent& event) override;
bool ShouldShowInkdropAfterIphInteraction() override;
const std::u16string GetAccessiblePageLoadingMessage();
const raw_ptr<Browser> browser_;
const Direction direction_;
// Reflects whether any modifiers are down, which would affect which tab would
// be navigated, at the time of a mouse enter on the back button. This is only
// for heuristic purposes. Only the modifiers of the actual click determine
// which tab is navigated.
WindowOpenDisposition last_back_assumed_disposition_ =
WindowOpenDisposition::CURRENT_TAB;
};
#endif // CHROME_BROWSER_UI_VIEWS_TOOLBAR_BACK_FORWARD_BUTTON_H_
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