1 /*
2  * Copyright 2020, 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 #include <device_parameters.h>
18 #include <optional>
19 
20 namespace devices {
21 
22 using namespace teeui;
23 
getDisplayCount()24 int getDisplayCount() {
25     return 1;
26 }
27 
getDisplayContext(int display_index,bool magnified)28 std::optional<context<ConUIParameters>> getDisplayContext(int display_index,
29                                                           bool magnified) {
30     if (display_index != 0) {
31         return std::nullopt;
32     }
33 
34     context<ConUIParameters> ctx(6.45211, 400.0 / 412.0);
35 
36     ctx.setParam<RightEdgeOfScreen>(400_px);
37     ctx.setParam<BottomOfScreen>(800_px);
38     ctx.setParam<PowerButtonTop>(20.26_mm);
39     ctx.setParam<PowerButtonBottom>(30.26_mm);
40     ctx.setParam<VolUpButtonTop>(40.26_mm);
41     ctx.setParam<VolUpButtonBottom>(50.26_mm);
42 
43     if (magnified) {
44         ctx.setParam<DefaultFontSize>(18_dp);
45         ctx.setParam<BodyFontSize>(20_dp);
46     } else {
47         ctx.setParam<DefaultFontSize>(14_dp);
48         ctx.setParam<BodyFontSize>(16_dp);
49     }
50 
51     return ctx;
52 }
53 
getDisplayLayout(int display_index,bool inverted,const context<ConUIParameters> & ctx)54 std::optional<std::unique_ptr<layouts::ILayout>> getDisplayLayout(
55         int display_index,
56         bool inverted,
57         const context<ConUIParameters>& ctx) {
58     if (display_index != 0) {
59         return std::nullopt;
60     }
61 
62     return std::make_unique<teeui::layouts::DisplayLayout>(inverted, ctx);
63 }
64 
65 }  // namespace devices
66