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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_connection_mac.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_connection_mac.h')
-rw-r--r-- | device/hid/hid_connection_mac.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/device/hid/hid_connection_mac.h b/device/hid/hid_connection_mac.h new file mode 100644 index 0000000..730eeae --- /dev/null +++ b/device/hid/hid_connection_mac.h @@ -0,0 +1,77 @@ +// 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_CONNECTION_MAC_H_ +#define DEVICE_HID_HID_CONNECTION_MAC_H_ + +#include "base/callback.h" +#include "base/memory/ref_counted.h" +#include "base/tuple.h" +#include "device/hid/hid_connection.h" +#include "device/hid/hid_device_info.h" +#include "device/hid/hid_service_mac.h" + +namespace net { +class IOBuffer; +} + +namespace device { + +class HidConnectionMac : public HidConnection { + public: + HidConnectionMac(HidServiceMac* service, + HidDeviceInfo device_info, + IOHIDDeviceRef device); + + virtual void Read(scoped_refptr<net::IOBuffer> buffer, + size_t size, + const IOCallback& callback) OVERRIDE; + virtual void Write(scoped_refptr<net::IOBuffer> buffer, + size_t size, + const IOCallback& callback) OVERRIDE; + virtual void GetFeatureReport(scoped_refptr<net::IOBuffer> buffer, + size_t size, + const IOCallback& callback) OVERRIDE; + virtual void SendFeatureReport(scoped_refptr<net::IOBuffer> buffer, + size_t size, + const IOCallback& callback) OVERRIDE; + + private: + virtual ~HidConnectionMac(); + + static void InputReportCallback(void * context, + IOReturn result, + void * sender, + IOHIDReportType type, + uint32_t reportID, + uint8_t * report, + CFIndex reportLength); + void ProcessReadQueue(); + void ProcessInputReport(IOHIDReportType type, + scoped_refptr<net::IOBuffer> report, + CFIndex reportLength); + + void WriteReport(IOHIDReportType type, + scoped_refptr<net::IOBuffer> buffer, + size_t size, + const IOCallback& callback); + + HidServiceMac* service_; + scoped_refptr<base::MessageLoopProxy> message_loop_; + base::ScopedCFTypeRef<IOHIDDeviceRef> device_; + scoped_ptr_malloc<uint8_t> inbound_buffer_; + bool disconnected_; + + typedef std::pair<scoped_refptr<net::IOBuffer>, size_t> PendingReport; + std::queue<PendingReport> input_reports_; + typedef Tuple3<scoped_refptr<net::IOBuffer>, size_t, IOCallback> PendingRead; + std::queue<PendingRead> read_queue_; + + DISALLOW_COPY_AND_ASSIGN(HidConnectionMac); +}; + + +} // namespace device + +#endif // DEVICE_HID_HID_CONNECTION_MAC_H_ |