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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_PRINTER_DETECTOR_PRINTER_DETECTOR_H_ | |
| 6 #define CHROME_BROWSER_CHROMEOS_PRINTER_DETECTOR_PRINTER_DETECTOR_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 #include <string> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/macros.h" | |
| 13 #include "chromeos/printing/printer_configuration.h" | |
| 14 #include "components/keyed_service/core/keyed_service.h" | |
| 15 | |
| 16 class NotificationUIManager; | |
| 17 class Profile; | |
| 18 | |
| 19 namespace chromeos { | |
| 20 | |
| 21 // Observes device::UsbService for addition of USB printers (devices with | |
| 22 // interface class 7). What it does with this depends on whether or not | |
| 23 // CUPS printing support is enabled. | |
| 24 // | |
| 25 // If CUPS is disabled, the Legacy implementation should be used. The legacy | |
| 26 // implementation shows a notification depending on whether there are printer | |
| 27 // provider apps that declared support for the USB device installed. If such | |
| 28 // app exists, the notification notifies the user the printer is ready. | |
| 29 // Otherwise the notification offers user to search Chrome Web Store for apps | |
| 30 // that support the printer. Clicking the notification launches webstore_widget | |
| 31 // app for the printer. The notification is shown only for active user's | |
| 32 // profile. | |
| 33 // | |
| 34 // If CUPS is enabled, the Cups implementation should be used. This | |
| 35 // implementation to guides the user through setting up a new USB printer in the | |
| 36 // CUPS backend. | |
| 37 class PrinterDetector : public KeyedService { | |
| 38 public: | |
| 39 class Observer { | |
| 40 public: | |
| 41 virtual ~Observer() = default; | |
| 42 | |
| 43 // The set of available printers has changed. | |
| 44 virtual void OnAvailableUsbPrintersChanged( | |
| 45 const std::vector<Printer>& printers) = 0; | |
| 46 }; | |
| 47 | |
| 48 // Factory function for the Legacy implementation. | |
| 49 static std::unique_ptr<PrinterDetector> CreateLegacy(Profile* profile); | |
| 50 | |
| 51 // Factory function for the CUPS implementation. | |
| 52 static std::unique_ptr<PrinterDetector> CreateCups(Profile* profile); | |
| 53 ~PrinterDetector() override {} | |
| 54 | |
| 55 // Observer management. Note these are only implemented for the cups backend. | |
| 56 // TODO(justincarlson) - Change these all to pure virtual functions when the | |
| 57 // legacy backend is retired. | |
| 58 | |
| 59 virtual void AddObserver(Observer* observer) {} | |
| 60 virtual void RemoveObserver(Observer* observer) {} | |
| 61 | |
| 62 // Get the current set of detected printers. | |
| 63 virtual std::vector<Printer> GetPrinters(); | |
| 64 | |
| 65 protected: | |
| 66 PrinterDetector() = default; | |
| 67 | |
| 68 private: | |
| 69 friend class PrinterDetectorAppSearchEnabledTest; | |
| 70 | |
| 71 virtual void SetNotificationUIManagerForTesting( | |
| 72 NotificationUIManager* manager) = 0; | |
| 73 | |
| 74 DISALLOW_COPY_AND_ASSIGN(PrinterDetector); | |
| 75 }; | |
| 76 | |
| 77 } // namespace chromeos | |
| 78 | |
| 79 #endif // CHROME_BROWSER_CHROMEOS_PRINTER_DETECTOR_PRINTER_DETECTOR_H_ | |
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Chromium Code Reviews
Issue 2945653002:
Remove the legacy (extension-notifier) usb printer detector. Rename the remaining printerdetector … (Closed)
