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Side by Side Diff: media/midi/midi_manager.cc

Issue 2404443002: Web MIDI: use midi_service.mojom for media::midi::Result (Closed)
Patch Set: yhirano@ review Created 4 years, 2 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 #include "media/midi/midi_manager.h" 5 #include "media/midi/midi_manager.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/location.h" 8 #include "base/location.h"
9 #include "base/metrics/histogram_macros.h" 9 #include "base/metrics/histogram_macros.h"
10 #include "base/single_thread_task_runner.h" 10 #include "base/single_thread_task_runner.h"
11 #include "base/threading/thread_task_runner_handle.h" 11 #include "base/threading/thread_task_runner_handle.h"
12 #include "base/trace_event/trace_event.h" 12 #include "base/trace_event/trace_event.h"
13 #include "build/build_config.h" 13 #include "build/build_config.h"
14 14
15 namespace midi { 15 namespace midi {
16 16
17 namespace { 17 namespace {
18 18
19 using Sample = base::HistogramBase::Sample; 19 using Sample = base::HistogramBase::Sample;
20 using midi::mojom::Result;
20 21
21 // If many users have more devices, this number will be increased. 22 // If many users have more devices, this number will be increased.
22 // But the number is expected to be big enough for now. 23 // But the number is expected to be big enough for now.
23 const Sample kMaxUmaDevices = 31; 24 const Sample kMaxUmaDevices = 31;
24 25
25 // Used to count events for usage histogram. 26 // Used to count events for usage histogram.
26 enum class Usage { 27 enum class Usage {
27 CREATED, 28 CREATED,
28 CREATED_ON_UNSUPPORTED_PLATFORMS, 29 CREATED_ON_UNSUPPORTED_PLATFORMS,
29 SESSION_STARTED, 30 SESSION_STARTED,
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266 Finalize(); 267 Finalize();
267 base::AutoLock auto_lock(lock_); 268 base::AutoLock auto_lock(lock_);
268 finalized_ = true; 269 finalized_ = true;
269 270
270 // Detach all clients so that they do not call MidiManager methods any more. 271 // Detach all clients so that they do not call MidiManager methods any more.
271 for (auto* client : clients_) 272 for (auto* client : clients_)
272 client->Detach(); 273 client->Detach();
273 } 274 }
274 275
275 } // namespace midi 276 } // namespace midi
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