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// Copyright 2022 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_SIDE_PANEL_CUSTOMIZE_CHROME_CUSTOMIZE_CHROME_TAB_HELPER_H_
#define CHROME_BROWSER_UI_SIDE_PANEL_CUSTOMIZE_CHROME_CUSTOMIZE_CHROME_TAB_HELPER_H_
#include "chrome/browser/ui/webui/side_panel/customize_chrome/customize_chrome_section.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class WebContents;
} // namespace content
// An observer of WebContents that facilitates the logic for the customize
// chrome side panel. This per-tab class also owns the
// CustomizeChromeSidePanelController.
class CustomizeChromeTabHelper
: public content::WebContentsUserData<CustomizeChromeTabHelper> {
public:
// This class delegates the responsibility for registering and deregistering
// the Customize Chrome side panel.
class Delegate {
public:
virtual void CreateAndRegisterEntry() = 0;
virtual void DeregisterEntry() = 0;
virtual void SetCustomizeChromeSidePanelVisible(
bool visible,
CustomizeChromeSection section) = 0;
virtual bool IsCustomizeChromeEntryShowing() const = 0;
virtual bool IsCustomizeChromeEntryAvailable() const = 0;
virtual ~Delegate() = default;
};
using StateChangedCallBack = base::RepeatingCallback<void(bool)>;
CustomizeChromeTabHelper(const CustomizeChromeTabHelper&) = delete;
CustomizeChromeTabHelper& operator=(const CustomizeChromeTabHelper&) = delete;
~CustomizeChromeTabHelper() override;
// Creates a WebUISidePanelView for customize chrome and registers
// the customize chrome side panel entry.
void CreateAndRegisterEntry();
// Deregisters the customize chrome side panel entry.
void DeregisterEntry();
// Opens and closes Side Panel to the customize chrome entry.
virtual void SetCustomizeChromeSidePanelVisible(
bool visible,
CustomizeChromeSection section);
// True if the side panel is open and showing the customize chrome entry.
bool IsCustomizeChromeEntryShowing() const;
// True if the customize chrome entry is available in current tabs' registry.
bool IsCustomizeChromeEntryAvailable() const;
// Called by when the side panel is shown/hidden, runs callback that
// shows/hides the customize chrome button
void EntryStateChanged(bool is_open);
// Sets callback that is run when side panel entry state is changed
void SetCallback(StateChangedCallBack callback);
protected:
explicit CustomizeChromeTabHelper(content::WebContents* web_contents);
private:
friend class content::WebContentsUserData<CustomizeChromeTabHelper>;
std::unique_ptr<Delegate> delegate_;
StateChangedCallBack entry_state_changed_callback_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
#endif // CHROME_BROWSER_UI_SIDE_PANEL_CUSTOMIZE_CHROME_CUSTOMIZE_CHROME_TAB_HELPER_H_
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