1 //
2 // Copyright (C) 2023 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 #include "host/commands/assemble_cvd/display.h"
17
18 #include "common/libs/utils/flag_parser.h"
19 #include "host/libs/config/display.h"
20
21 namespace cuttlefish {
22 namespace {
23
24 class DisplaysConfigsImpl : public DisplaysConfigs {
25 public:
INJECT(DisplaysConfigsImpl ())26 INJECT(DisplaysConfigsImpl()) {}
27
GetConfigs() const28 const std::vector<CuttlefishConfig::DisplayConfig>& GetConfigs()
29 const override {
30 return display_configs_;
31 }
32
SetConfigs(const std::vector<CuttlefishConfig::DisplayConfig> & configs)33 void SetConfigs(const std::vector<CuttlefishConfig::DisplayConfig>& configs) {
34 display_configs_ = configs;
35 }
36
Name() const37 std::string Name() const override { return "DisplaysConfigsImpl"; }
38
39 private:
40 std::vector<CuttlefishConfig::DisplayConfig> display_configs_;
41 };
42
43 } // namespace
44
DisplaysConfigsComponent()45 fruit::Component<DisplaysConfigs> DisplaysConfigsComponent() {
46 return fruit::createComponent()
47 .bind<DisplaysConfigs, DisplaysConfigsImpl>()
48 .addMultibinding<DisplaysConfigs, DisplaysConfigs>();
49 }
50
51 namespace {
52
53 class DisplaysConfigsFlagImpl : public DisplaysConfigsFlag {
54 public:
INJECT(DisplaysConfigsFlagImpl (DisplaysConfigs & configs,ConfigFlag & config_flag))55 INJECT(DisplaysConfigsFlagImpl(DisplaysConfigs& configs,
56 ConfigFlag& config_flag))
57 : display_configs_(configs), config_flag_dependency_(config_flag) {}
58
Name() const59 std::string Name() const override { return "DisplaysConfigsFlagImpl"; }
60
Dependencies() const61 std::unordered_set<FlagFeature*> Dependencies() const override {
62 return {static_cast<FlagFeature*>(&config_flag_dependency_)};
63 }
64
Process(std::vector<std::string> & args)65 Result<void> Process(std::vector<std::string>& args) override {
66 display_configs_.SetConfigs(CF_EXPECT(ParseDisplayConfigsFromArgs(args)));
67 return {};
68 }
69
WriteGflagsCompatHelpXml(std::ostream & out) const70 bool WriteGflagsCompatHelpXml(std::ostream& out) const override {
71 Flag display_flag = GflagsCompatFlag(kDisplayFlag).Help(kDisplayHelp);
72 return WriteGflagsCompatXml({display_flag}, out);
73 }
74
75 private:
76 DisplaysConfigs& display_configs_;
77 ConfigFlag& config_flag_dependency_;
78 };
79
80 } // namespace
81
82 fruit::Component<fruit::Required<DisplaysConfigs, ConfigFlag>,
83 DisplaysConfigsFlag>
DisplaysConfigsFlagComponent()84 DisplaysConfigsFlagComponent() {
85 return fruit::createComponent()
86 .bind<DisplaysConfigsFlag, DisplaysConfigsFlagImpl>()
87 .addMultibinding<FlagFeature, DisplaysConfigsFlag>();
88 }
89
90 namespace {
91
92 class DisplaysConfigsFragmentImpl : public DisplaysConfigsFragment {
93 public:
INJECT(DisplaysConfigsFragmentImpl (DisplaysConfigs & displays_configs))94 INJECT(DisplaysConfigsFragmentImpl(DisplaysConfigs& displays_configs))
95 : displays_configs_(displays_configs) {}
96
Name() const97 std::string Name() const override { return "DisplaysConfigsFragmentImpl"; }
98
Serialize() const99 Json::Value Serialize() const override {
100 Json::Value display_configs_json(Json::arrayValue);
101 for (const auto& display_configs : displays_configs_.GetConfigs()) {
102 Json::Value display_config_json(Json::objectValue);
103 display_config_json[kXRes] = display_configs.width;
104 display_config_json[kYRes] = display_configs.height;
105 display_config_json[kDpi] = display_configs.dpi;
106 display_config_json[kRefreshRateHz] = display_configs.refresh_rate_hz;
107 display_configs_json.append(display_config_json);
108 }
109 return display_configs_json;
110 }
111
Deserialize(const Json::Value & json)112 bool Deserialize(const Json::Value& json) override {
113 if (!json.isMember(kDisplayConfigs)) {
114 LOG(ERROR) << "Invalid value for " << kDisplayConfigs;
115 return false;
116 }
117
118 const Json::Value& displays_configs_json = json[kDisplayConfigs];
119
120 std::vector<CuttlefishConfig::DisplayConfig> displays_configs;
121 for (auto& display_config_json : displays_configs_json) {
122 CuttlefishConfig::DisplayConfig display_config = {};
123 display_config.width = display_config_json[kXRes].asInt();
124 display_config.height = display_config_json[kYRes].asInt();
125 display_config.dpi = display_config_json[kDpi].asInt();
126 display_config.refresh_rate_hz =
127 display_config_json[kRefreshRateHz].asInt();
128 displays_configs.emplace_back(display_config);
129 }
130
131 displays_configs_.SetConfigs(displays_configs);
132 return true;
133 }
134
135 private:
136 static constexpr char kDisplayConfigs[] = "display_configs";
137 static constexpr char kXRes[] = "x_res";
138 static constexpr char kYRes[] = "y_res";
139 static constexpr char kDpi[] = "dpi";
140 static constexpr char kRefreshRateHz[] = "refresh_rate_hz";
141
142 DisplaysConfigs& displays_configs_;
143 };
144
145 } // namespace
146
147 fruit::Component<fruit::Required<DisplaysConfigs>, DisplaysConfigsFragment>
DisplaysConfigsFragmentComponent()148 DisplaysConfigsFragmentComponent() {
149 return fruit::createComponent()
150 .bind<DisplaysConfigsFragment, DisplaysConfigsFragmentImpl>()
151 .addMultibinding<ConfigFragment, DisplaysConfigsFragment>();
152 }
153
154 } // namespace cuttlefish
155