blob: 2f3103e037111a9730ac0d98e93e31cb1a70e7cf [file] [log] [blame]
// Copyright 2014 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.
#include <map>
#include "base/callback.h"
#include "base/memory/ref_counted_memory.h"
#include "base/platform_file.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/dbus_client.h"
namespace chromeos {
// LorgnetteManagerClient is used to communicate with the lorgnette
// document scanning daemon.
class CHROMEOS_EXPORT LorgnetteManagerClient : public DBusClient {
// The property information for each scanner retured by ListScanners.
typedef std::map<std::string, std::string> ScannerTableEntry;
typedef std::map<std::string, ScannerTableEntry> ScannerTable;
// Callback type for ListScanners(). Returns a map which contains
// a ScannerTableEntry for each available scanner.
typedef base::Callback<void(
bool succeeded, const ScannerTable&)> ListScannersCallback;
// Called once ScanImage() is complete. Takes one parameter:
// - succeeded: was the scan completed successfully.
typedef base::Callback<void(bool succeeded)> ScanImageCallback;
// Attributes provided to a scan request.
struct ScanProperties {
ScanProperties() : resolution_dpi(0) {}
std::string mode; // Can be "Color", "Gray", or "Lineart".
int resolution_dpi;
virtual ~LorgnetteManagerClient();
// Gets a list of scanners from the lorgnette manager.
virtual void ListScanners(const ListScannersCallback& callback) = 0;
// Request a scanned image and calls |callback| when completed.
// Image data will be stored in the .png format.
virtual void ScanImage(std::string device_name,
base::PlatformFile file,
const ScanProperties& properties,
const ScanImageCallback& callback) = 0;
// Factory function, creates a new instance and returns ownership.
// For normal usage, access the singleton via DBusThreadManager::Get().
static LorgnetteManagerClient* Create();
// Create() should be used instead.
} // namespace chromeos