chromium/chrome/browser/ui/views/crostini/crostini_uninstaller_view.h

// Copyright 2018 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_CROSTINI_CROSTINI_UNINSTALLER_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_CROSTINI_CROSTINI_UNINSTALLER_VIEW_H_

#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"

class Profile;

namespace views {
class Label;
class ProgressBar;
}  // namespace views

namespace crostini {
enum class CrostiniResult;

// Shows the Crostini Uninstaller dialog.
void ShowCrostiniUninstallerView(Profile* profile);

}  // namespace crostini

// The Crostini uninstaller. Provides a warning to the user and
// uninstalls Crostinin if the user chooses to do so.
class CrostiniUninstallerView : public views::BubbleDialogDelegateView {
  METADATA_HEADER(CrostiniUninstallerView, views::BubbleDialogDelegateView)

 public:
  // These values are persisted to logs. Entries should not be renumbered and
  // numeric values should never be reused.
  enum class UninstallResult {
    kCancelled = 0,
    kError = 1,
    kSuccess = 2,
    kCount
  };

  CrostiniUninstallerView(const CrostiniUninstallerView&) = delete;
  CrostiniUninstallerView& operator=(const CrostiniUninstallerView&) = delete;

  static void Show(Profile* profile);

  // views::DialogDelegateView:
  bool Accept() override;
  bool Cancel() override;

  static CrostiniUninstallerView* GetActiveViewForTesting();
  void set_destructor_callback_for_testing(base::OnceClosure callback) {
    destructor_callback_for_testing_.ReplaceClosure(std::move(callback));
  }

 private:
  enum class State {
    PROMPT,  // Prompting the user to allow uninstallation.
    ERROR,   // Something unexpected happened.
    UNINSTALLING,
  };

  explicit CrostiniUninstallerView(Profile* profile);
  ~CrostiniUninstallerView() override;

  void HandleError(const std::u16string& error_message);
  void UninstallCrostiniFinished(crostini::CrostiniResult result);
  void RecordUninstallResultHistogram(UninstallResult result);

  State state_ = State::PROMPT;
  raw_ptr<views::Label> message_label_ = nullptr;
  raw_ptr<views::ProgressBar> progress_bar_ = nullptr;

  bool has_logged_result_ = false;
  raw_ptr<Profile> profile_;

  base::ScopedClosureRunner destructor_callback_for_testing_;

  base::WeakPtrFactory<CrostiniUninstallerView> weak_ptr_factory_{this};
};

#endif  // CHROME_BROWSER_UI_VIEWS_CROSTINI_CROSTINI_UNINSTALLER_VIEW_H_