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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ | 5 #ifndef CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ |
6 #define CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ | 6 #define CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
11 #include "device/usb/mojo/permission_provider.h" | 11 #include "device/usb/mojo/permission_provider.h" |
12 | 12 |
13 namespace content { | 13 namespace content { |
14 class RenderFrameHost; | 14 class RenderFrameHost; |
15 } | 15 } |
16 | 16 |
17 // This implementation of the permission provider interface enforces the rules | 17 // This implementation of the permission provider interface enforces the rules |
18 // of the WebUSB permission model. Devices are checked for WebUSB descriptors | 18 // of the WebUSB permission model. Devices are checked for WebUSB descriptors |
19 // granting access to the render frame's current origin as well as permission | 19 // granting access to the render frame's current origin as well as permission |
20 // granted by the user through a device chooser UI. | 20 // granted by the user through a device chooser UI. |
21 class WebUSBPermissionProvider : public device::usb::PermissionProvider { | 21 class WebUSBPermissionProvider : public device::usb::PermissionProvider { |
22 public: | 22 public: |
23 static bool HasDevicePermission( | |
24 content::RenderFrameHost* render_frame_host, | |
25 scoped_refptr<const device::UsbDevice> device); | |
26 | |
27 explicit WebUSBPermissionProvider( | 23 explicit WebUSBPermissionProvider( |
28 content::RenderFrameHost* render_frame_host); | 24 content::RenderFrameHost* render_frame_host); |
29 ~WebUSBPermissionProvider() override; | 25 ~WebUSBPermissionProvider() override; |
30 | 26 |
31 base::WeakPtr<PermissionProvider> GetWeakPtr(); | 27 base::WeakPtr<PermissionProvider> GetWeakPtr(); |
32 | 28 |
33 // device::usb::PermissionProvider implementation. | 29 // device::usb::PermissionProvider implementation. |
34 bool HasDevicePermission( | 30 bool HasDevicePermission( |
35 scoped_refptr<const device::UsbDevice> device) const override; | 31 scoped_refptr<const device::UsbDevice> device) const override; |
36 bool HasConfigurationPermission( | 32 bool HasConfigurationPermission( |
37 uint8_t requested_configuration, | 33 uint8_t requested_configuration, |
38 scoped_refptr<const device::UsbDevice> device) const override; | 34 scoped_refptr<const device::UsbDevice> device) const override; |
39 bool HasFunctionPermission( | 35 bool HasFunctionPermission( |
40 uint8_t requested_function, | 36 uint8_t requested_function, |
41 uint8_t configuration_value, | 37 uint8_t configuration_value, |
42 scoped_refptr<const device::UsbDevice> device) const override; | 38 scoped_refptr<const device::UsbDevice> device) const override; |
43 void IncrementConnectionCount() override; | 39 void IncrementConnectionCount() override; |
44 void DecrementConnectionCount() override; | 40 void DecrementConnectionCount() override; |
45 | 41 |
46 private: | 42 private: |
47 content::RenderFrameHost* const render_frame_host_; | 43 content::RenderFrameHost* const render_frame_host_; |
48 base::WeakPtrFactory<PermissionProvider> weak_factory_; | 44 base::WeakPtrFactory<PermissionProvider> weak_factory_; |
49 }; | 45 }; |
50 | 46 |
51 #endif // CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ | 47 #endif // CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ |
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