1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef CHRE_CORE_REQUEST_MULTIPLEXER_IMPL_H_
18 #define CHRE_CORE_REQUEST_MULTIPLEXER_IMPL_H_
19
20 #include "chre/core/request_multiplexer.h"
21 #include "chre/platform/assert.h"
22
23 namespace chre {
24
25 template<typename RequestType>
addRequest(const RequestType & request,size_t * index,bool * maximalRequestChanged)26 bool RequestMultiplexer<RequestType>::addRequest(const RequestType& request,
27 size_t *index,
28 bool *maximalRequestChanged) {
29 CHRE_ASSERT(index);
30 CHRE_ASSERT(maximalRequestChanged);
31
32 bool requestStored = mRequests.push_back(request);
33 if (requestStored) {
34 *index = (mRequests.size() - 1);
35 *maximalRequestChanged = mCurrentMaximalRequest.mergeWith(request);
36 }
37
38 return requestStored;
39 }
40
41 template<typename RequestType>
updateRequest(size_t index,const RequestType & request,bool * maximalRequestChanged)42 void RequestMultiplexer<RequestType>::updateRequest(
43 size_t index, const RequestType& request, bool *maximalRequestChanged) {
44 CHRE_ASSERT(maximalRequestChanged);
45 CHRE_ASSERT(index < mRequests.size());
46
47 if (index < mRequests.size()) {
48 mRequests[index] = request;
49 updateMaximalRequest(maximalRequestChanged);
50 }
51 }
52
53 template<typename RequestType>
removeRequest(size_t index,bool * maximalRequestChanged)54 void RequestMultiplexer<RequestType>::removeRequest(
55 size_t index, bool *maximalRequestChanged) {
56 CHRE_ASSERT(maximalRequestChanged);
57 CHRE_ASSERT(index < mRequests.size());
58
59 if (index < mRequests.size()) {
60 mRequests.erase(index);
61 updateMaximalRequest(maximalRequestChanged);
62 }
63 }
64
65 template<typename RequestType>
removeAllRequests(bool * maximalRequestChanged)66 void RequestMultiplexer<RequestType>::removeAllRequests(
67 bool *maximalRequestChanged) {
68 CHRE_ASSERT(maximalRequestChanged);
69
70 mRequests.clear();
71 updateMaximalRequest(maximalRequestChanged);
72 }
73
74 template<typename RequestType>
75 const DynamicVector<RequestType>&
getRequests()76 RequestMultiplexer<RequestType>::getRequests() const {
77 return mRequests;
78 }
79
80 template<typename RequestType>
getCurrentMaximalRequest()81 const RequestType& RequestMultiplexer<RequestType>::getCurrentMaximalRequest()
82 const {
83 return mCurrentMaximalRequest;
84 }
85
86 template<typename RequestType>
updateMaximalRequest(bool * maximalRequestChanged)87 void RequestMultiplexer<RequestType>::updateMaximalRequest(
88 bool *maximalRequestChanged) {
89 RequestType maximalRequest;
90 for (size_t i = 0; i < mRequests.size(); i++) {
91 maximalRequest.mergeWith(mRequests[i]);
92 }
93
94 *maximalRequestChanged = !mCurrentMaximalRequest.isEquivalentTo(
95 maximalRequest);
96 if (*maximalRequestChanged) {
97 mCurrentMaximalRequest = maximalRequest;
98 }
99 }
100
101 } // namespace chre
102
103 #endif // CHRE_CORE_REQUEST_MULTIPLEXER_IMPL_H_
104