1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "configuration_holder.h"
16 #include "hilog_wrapper.h"
17
18 namespace OHOS {
19 namespace AAFwk {
Init(const std::shared_ptr<DummyConfiguration> & config)20 void ConfigurationHolder::Init(const std::shared_ptr<DummyConfiguration> &config)
21 {
22 baseConfiguration_ = config;
23 }
24
UpdateConfiguration(const std::shared_ptr<DummyConfiguration> config)25 void ConfigurationHolder::UpdateConfiguration(const std::shared_ptr<DummyConfiguration> config)
26 {
27 if (GetChildSize() == 0 && GetParent()) {
28 HILOG_INFO("%{public}s child update configuration at the time of activing.", __func__);
29 return;
30 }
31 auto configChanges = baseConfiguration_ ? baseConfiguration_->Differ(config) : CHANGE_CONFIG_ALL_CHANGED;
32
33 if (configChanges > 0) {
34 // update base configuration immediately
35 baseConfiguration_ = config;
36 }
37
38 DealUpdateConfiguration();
39 }
40
GetConfiguration() const41 std::shared_ptr<DummyConfiguration> ConfigurationHolder::GetConfiguration() const
42 {
43 return baseConfiguration_;
44 }
45
DealUpdateConfiguration()46 void ConfigurationHolder::DealUpdateConfiguration()
47 {
48 for (unsigned int index = 0; index < GetChildSize(); index++) {
49 auto child = FindChild(index);
50 if (child) {
51 child->UpdateConfiguration(baseConfiguration_);
52 }
53 }
54 }
55
ProcessConfigurationChange()56 bool ConfigurationHolder::ProcessConfigurationChange()
57 {
58 HILOG_INFO("%{public}s", __func__);
59 auto parent = GetParent();
60 auto targetConfig = parent ? parent->GetConfiguration() : baseConfiguration_;
61 if (targetConfig == nullptr && baseConfiguration_ == nullptr) {
62 HILOG_DEBUG("targetConfig and baseConfiguration_ is nullptr, no change.");
63 return false;
64 }
65
66 return ProcessConfigurationChangeInner(targetConfig);
67 }
68
ForceProcessConfigurationChange(const std::shared_ptr<DummyConfiguration> & config)69 bool ConfigurationHolder::ForceProcessConfigurationChange(const std::shared_ptr<DummyConfiguration> &config)
70 {
71 return ProcessConfigurationChangeInner(config);
72 }
73
ProcessConfigurationChangeInner(const std::shared_ptr<DummyConfiguration> & config)74 bool ConfigurationHolder::ProcessConfigurationChangeInner(const std::shared_ptr<DummyConfiguration> &config)
75 {
76 auto configChanges = baseConfiguration_ ? baseConfiguration_->Differ(config) : CHANGE_CONFIG_ALL_CHANGED;
77 if (configChanges > 0) {
78 if (baseConfiguration_) {
79 baseConfiguration_ = config;
80 return OnConfigurationChanged(*(baseConfiguration_.get()), configChanges);
81 }
82 // update base configuration immediately
83 baseConfiguration_ = config;
84 HILOG_DEBUG("have changes.");
85 }
86 HILOG_DEBUG("there is no change.");
87 return false;
88 }
89
OnConfigurationChanged(const DummyConfiguration & config,unsigned int configChanges)90 bool ConfigurationHolder::OnConfigurationChanged(const DummyConfiguration &config, unsigned int configChanges)
91 {
92 return false;
93 }
94 } // namespace AAFwk
95 } // namespace OHOS