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| 1 // Copyright 2014 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 #include "components/copresence/handlers/audio/audio_directive_list.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "base/memory/ptr_util.h" | |
| 10 | |
| 11 namespace copresence { | |
| 12 | |
| 13 // Public functions. | |
| 14 | |
| 15 AudioDirective::AudioDirective() {} | |
| 16 | |
| 17 AudioDirective::AudioDirective(const std::string& op_id, | |
| 18 base::TimeTicks end_time, | |
| 19 const Directive& server_directive) | |
| 20 : op_id(op_id), | |
| 21 end_time(end_time), | |
| 22 server_directive(server_directive) {} | |
| 23 | |
| 24 AudioDirectiveList::AudioDirectiveList( | |
| 25 const scoped_refptr<TickClockRefCounted>& clock) | |
| 26 : clock_(clock) {} | |
| 27 | |
| 28 AudioDirectiveList::~AudioDirectiveList() {} | |
| 29 | |
| 30 void AudioDirectiveList::AddDirective(const std::string& op_id, | |
| 31 const Directive& server_directive) { | |
| 32 base::TimeTicks end_time = clock_->NowTicks() + | |
| 33 base::TimeDelta::FromMilliseconds(server_directive.ttl_millis()); | |
| 34 | |
| 35 // If this op is already in the list, update it instead of adding it again. | |
| 36 auto it = FindDirectiveByOpId(op_id); | |
| 37 if (it != active_directives_.end()) { | |
| 38 it->end_time = end_time; | |
| 39 std::make_heap(active_directives_.begin(), | |
| 40 active_directives_.end(), | |
| 41 LatestFirstComparator()); | |
| 42 return; | |
| 43 } | |
| 44 | |
| 45 active_directives_.push_back( | |
| 46 AudioDirective(op_id, end_time, server_directive)); | |
| 47 std::push_heap(active_directives_.begin(), | |
| 48 active_directives_.end(), | |
| 49 LatestFirstComparator()); | |
| 50 } | |
| 51 | |
| 52 void AudioDirectiveList::RemoveDirective(const std::string& op_id) { | |
| 53 auto it = FindDirectiveByOpId(op_id); | |
| 54 if (it != active_directives_.end()) | |
| 55 active_directives_.erase(it); | |
| 56 | |
| 57 std::make_heap(active_directives_.begin(), | |
| 58 active_directives_.end(), | |
| 59 LatestFirstComparator()); | |
| 60 } | |
| 61 | |
| 62 std::unique_ptr<AudioDirective> AudioDirectiveList::GetActiveDirective() { | |
| 63 // The top is always the instruction that is ending the latest. | |
| 64 // If that time has passed, all our previous instructions have expired too. | |
| 65 // So we clear the list. | |
| 66 if (active_directives_.empty() || | |
| 67 active_directives_.front().end_time < clock_->NowTicks()) { | |
| 68 active_directives_.clear(); | |
| 69 return std::unique_ptr<AudioDirective>(); | |
| 70 } | |
| 71 | |
| 72 return base::WrapUnique(new AudioDirective(active_directives_.front())); | |
| 73 } | |
| 74 | |
| 75 const std::vector<AudioDirective>& AudioDirectiveList::directives() const { | |
| 76 return active_directives_; | |
| 77 } | |
| 78 | |
| 79 | |
| 80 // Private functions. | |
| 81 | |
| 82 std::vector<AudioDirective>::iterator AudioDirectiveList::FindDirectiveByOpId( | |
| 83 const std::string& op_id) { | |
| 84 for (auto it = active_directives_.begin(); | |
| 85 it != active_directives_.end(); | |
| 86 ++it) { | |
| 87 if (it->op_id == op_id) | |
| 88 return it; | |
| 89 } | |
| 90 return active_directives_.end(); | |
| 91 } | |
| 92 | |
| 93 } // namespace copresence | |
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Chromium Code Reviews
Issue 2130803002:
Deleting the copresence API. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master