// 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 CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_WITH_PROMPT_H_
#define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_WITH_PROMPT_H_

#include <memory>

#include "chrome/browser/extensions/webstore_standalone_installer.h"
#include "ui/gfx/native_ui_types.h"
#include "ui/native_window_tracker/native_window_tracker.h"

namespace content {
class WebContents;
}

namespace extensions {

// Initiates the install of an extension from the webstore. Downloads and parses
// metadata from the webstore, shows an install UI and starts the download once
// the user confirms. No post-install UI is shown.
//
// Clients will be notified of success or failure via the `callback` argument
// passed into the constructor.
//
// Clients of this class must be trusted, as verification of the requestor is
// skipped. This class stubs out many WebstoreStandaloneInstaller abstract
// methods and can be used as a base class.
class WebstoreInstallWithPrompt : public WebstoreStandaloneInstaller {
 public:
  // If this constructor is used, the parent of the install dialog will be
  // `parent_window`.
  WebstoreInstallWithPrompt(const std::string& webstore_item_id,
                            Profile* profile,
                            gfx::NativeWindow parent_window,
                            Callback callback);

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

 protected:
  friend class base::RefCountedThreadSafe<WebstoreInstallWithPrompt>;
  ~WebstoreInstallWithPrompt() override;

  void set_show_post_install_ui(bool show) { show_post_install_ui_ = show; }

  // extensions::WebstoreStandaloneInstaller overrides:
  bool CheckRequestorAlive() const override;
  bool ShouldShowPostInstallUI() const override;
  content::WebContents* GetWebContents() const override;
  std::unique_ptr<InstallPromptData> CreateInstallPrompt() const override;
  std::unique_ptr<ExtensionInstallPrompt> CreateInstallUI(
      std::unique_ptr<InstallPromptData> prompt) override;

 private:
  bool show_post_install_ui_;

  // A non-visible WebContents used to download data from the webstore.
  std::unique_ptr<content::WebContents> dummy_web_contents_;

  gfx::NativeWindow parent_window_;
  std::unique_ptr<ui::NativeWindowTracker> parent_window_tracker_;
};

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_WITH_PROMPT_H_