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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Windows implementation of version update functionality, used by the WebUI
// About/Help page.
#ifndef CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_WIN_H_
#define CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_WIN_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "chrome/browser/google/google_update_win.h"
#include "chrome/browser/ui/webui/help/version_updater.h"
class VersionUpdaterWin : public VersionUpdater,
public UpdateCheckDelegate {
public:
// |owner_widget| is the parent widget hosting the update check UI. Any UI
// needed to install an update (e.g., a UAC prompt for a system-level install)
// will be parented to this widget. |owner_widget| may be given a value of
// nullptr in which case the UAC prompt will be parented to the desktop.
explicit VersionUpdaterWin(gfx::AcceleratedWidget owner_widget);
~VersionUpdaterWin() override;
// VersionUpdater:
void CheckForUpdate(const StatusCallback& callback,
const PromoteCallback&) override;
void RelaunchBrowser() const override;
// UpdateCheckDelegate:
void OnUpdateCheckComplete(const base::string16& new_version) override;
void OnUpgradeProgress(int progress,
const base::string16& new_version) override;
void OnUpgradeComplete(const base::string16& new_version) override;
void OnError(GoogleUpdateErrorCode error_code,
const base::string16& html_error_message,
const base::string16& new_version) override;
private:
void BeginUpdateCheckOnFileThread(bool install_update_if_possible);
// A task run on the UI thread with the result of checking for a pending
// restart.
void OnPendingRestartCheck(bool is_update_pending_restart);
// The widget owning the UI for the update check.
gfx::AcceleratedWidget owner_widget_;
// Callback used to communicate update status to the client.
StatusCallback callback_;
// Used for callbacks.
base::WeakPtrFactory<VersionUpdaterWin> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(VersionUpdaterWin);
};
#endif // CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_WIN_H_
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