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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_DBUS_IMAGE_LOADER_IMAGE_LOADER_CLIENT_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_IMAGE_LOADER_IMAGE_LOADER_CLIENT_H_
#include <memory>
#include <string>
#include "base/component_export.h"
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "chromeos/dbus/common/dbus_callback.h"
#include "chromeos/dbus/common/dbus_client.h"
namespace ash {
// ImageLoaderClient is used to communicate with the ImageLoader service, which
// registers and loads component updates on Chrome OS.
class COMPONENT_EXPORT(ASH_DBUS_IMAGE_LOADER) ImageLoaderClient
: public chromeos::DBusClient {
public:
// Returns the global instance if initialized. May return null.
static ImageLoaderClient* Get();
// Creates and initializes the global instance. |bus| must not be null.
static void Initialize(dbus::Bus* bus);
// Creates and initializes a fake global instance.
static void InitializeFake();
// Destroys the global instance if it has been initialized.
static void Shutdown();
ImageLoaderClient(const ImageLoaderClient&) = delete;
ImageLoaderClient& operator=(const ImageLoaderClient&) = delete;
// Registers a component by copying from |component_folder_abs_path| into its
// internal storage, if and only if, the component passes verification.
virtual void RegisterComponent(
const std::string& name,
const std::string& version,
const std::string& component_folder_abs_path,
chromeos::DBusMethodCallback<bool> callback) = 0;
// Mounts a component given the |name| and return the mount point (if call is
// successful).
virtual void LoadComponent(
const std::string& name,
chromeos::DBusMethodCallback<std::string> callback) = 0;
// Mounts a component given the |name| and install path |path|, then returns
// the mount point (if call is successful).
virtual void LoadComponentAtPath(
const std::string& name,
const base::FilePath& path,
chromeos::DBusMethodCallback<base::FilePath> callback) = 0;
// Requests the currently registered version of the given component |name|.
virtual void RequestComponentVersion(
const std::string& name,
chromeos::DBusMethodCallback<std::string> callback) = 0;
// Removes a component and returns true (if call is successful).
virtual void RemoveComponent(const std::string& name,
chromeos::DBusMethodCallback<bool> callback) = 0;
// Unmounts all mount points given component |name|.
virtual void UnmountComponent(
const std::string& name,
chromeos::DBusMethodCallback<bool> callback) = 0;
protected:
// Initialize() should be used instead.
ImageLoaderClient();
~ImageLoaderClient() override;
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_IMAGE_LOADER_IMAGE_LOADER_CLIENT_H_
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