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author | rockot@chromium.org <rockot@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-01-31 20:13:23 +0000 |
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committer | rockot@chromium.org <rockot@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-01-31 20:13:23 +0000 |
commit | 125724f2dd1b339cc6dc3f3bcf2b0d565765471f (patch) | |
tree | b6b1f0d2bd292f39161de8317338edb6076fd848 /device/hid/hid_service_linux.h | |
parent | 64e3d73b60bbe5d3e7808c444ae1e1e392981a41 (diff) | |
download | chromium_src-125724f2dd1b339cc6dc3f3bcf2b0d565765471f.zip chromium_src-125724f2dd1b339cc6dc3f3bcf2b0d565765471f.tar.gz chromium_src-125724f2dd1b339cc6dc3f3bcf2b0d565765471f.tar.bz2 |
HID backend.
This is a continuation of https://codereview.chromium.org/143883005.
[ps#1 here is (post-revert) ps#12 there.]
BUG=290428
TBR=miket@chromium.org
Review URL: https://codereview.chromium.org/150773004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248250 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'device/hid/hid_service_linux.h')
-rw-r--r-- | device/hid/hid_service_linux.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/device/hid/hid_service_linux.h b/device/hid/hid_service_linux.h new file mode 100644 index 0000000..415db80 --- /dev/null +++ b/device/hid/hid_service_linux.h @@ -0,0 +1,64 @@ +// Copyright (c) 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 DEVICE_HID_HID_SERVICE_LINUX_H_ +#define DEVICE_HID_HID_SERVICE_LINUX_H_ + +#include <libudev.h> + +#include "base/macros.h" +#include "base/memory/scoped_ptr.h" +#include "base/message_loop/message_pump_libevent.h" +#include "device/hid/hid_device_info.h" +#include "device/hid/hid_service.h" + +namespace device { + +class HidConnection; + +template<typename T, void func(T*)> +struct Deleter { + void operator()(T* enumerate) const { + if (enumerate != NULL) + func(enumerate); + } +}; + +typedef Deleter<udev_enumerate, udev_enumerate_unref> UdevEnumerateDeleter; +typedef Deleter<udev_device, udev_device_unref> UdevDeviceDeleter; +typedef Deleter<udev, udev_unref> UdevDeleter; +typedef Deleter<udev_monitor, udev_monitor_unref> UdevMonitorDeleter; + +typedef scoped_ptr<udev_device, UdevDeviceDeleter> ScopedUdevDevicePtr; +typedef scoped_ptr<udev_enumerate, UdevEnumerateDeleter> ScopedUdevEnumeratePtr; + +class HidServiceLinux : public HidService, + public base::MessagePumpLibevent::Watcher { + public: + HidServiceLinux(); + + virtual scoped_refptr<HidConnection> Connect(std::string device_id) OVERRIDE; + + // Implements base::MessagePumpLibevent::Watcher + virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; + virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; + + private: + virtual ~HidServiceLinux(); + + void Enumerate(); + void PlatformDeviceAdd(udev_device* device); + void PlatformDeviceRemove(udev_device* raw_dev); + + scoped_ptr<udev, UdevDeleter> udev_; + scoped_ptr<udev_monitor, UdevMonitorDeleter> monitor_; + int monitor_fd_; + base::MessagePumpLibevent::FileDescriptorWatcher monitor_watcher_; + + DISALLOW_COPY_AND_ASSIGN(HidServiceLinux); +}; + +} // namespace device + +#endif // DEVICE_HID_HID_SERVICE_LINUX_H_ |