Implement a JavaScript API for document scanning

chrome/browser/extensions/api/document_scan/document_scan_interface_chromeos.h

+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_
+#define CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_
+
+#include "chrome/browser/extensions/api/document_scan/document_scan_interface.h"
+#include "chromeos/dbus/lorgnette_manager_client.h"
+#include "chromeos/dbus/pipe_reader.h"
+
+namespace extensions {
+
+namespace api {
+
+class DocumentScanInterfaceChromeos : public DocumentScanInterface {
+ public:
+  DocumentScanInterfaceChromeos();
+  virtual ~DocumentScanInterfaceChromeos();
+
+  virtual void ListScanners(
+      const ListScannersResultsCallback& callback) override;
+  virtual void Scan(const std::string& scanner_name,
+                    ScanMode mode,
+                    int resolution_dpi,
+                    const ScanResultsCallback& callback) override;
+
+ private:
+  friend class DocumentScanInterfaceChromeosTest;
+
+  void OnScannerListReceived(
+      const ListScannersResultsCallback& callback,
+      bool succeeded,
+      const chromeos::LorgnetteManagerClient::ScannerTable &scanners);
+  void OnScanCompleted(const ScanResultsCallback &callback, bool succeeded);
+  void OnScanDataCompleted();
+  std::string GetImageURL(std::string image_data);
+  chromeos::LorgnetteManagerClient* GetLorgnetteManagerClient();
+
+  scoped_ptr<chromeos::PipeReaderForString> pipe_reader_;
+  std::string scanned_image_data_;
+  chromeos::LorgnetteManagerClient* lorgnette_manager_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(DocumentScanInterfaceChromeos);
+};
+
+}  // namespace api
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_