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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/display/manager/display_properties_parser.h"
#include <optional>
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "ui/display/types/display_constants.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
namespace display {
namespace {
constexpr char kDisplayRadiiKeyName[] = "rounded-corners";
constexpr char kDisplayUpperLeftRadiusKeyName[] = "top-left";
constexpr char kDisplayUpperRightRadiusKeyName[] = "top-right";
constexpr char kDisplayLowerLeftRadiusKeyName[] = "bottom-left";
constexpr char kDisplayLowerRightRadiusKeyName[] = "bottom-right";
std::optional<gfx::RoundedCornersF> ParsePanelRadii(
const base::Value* json_value) {
if (!json_value || !json_value->is_dict()) {
return std::nullopt;
}
const auto& radii_value = json_value->GetDict();
if (radii_value.size() != 4u) {
return std::nullopt;
}
gfx::RoundedCornersF panel_radii;
for (const auto value : radii_value) {
if (!value.second.is_int() || value.second.GetInt() < 0) {
return std::nullopt;
}
const auto& key = value.first;
const int radius = value.second.GetInt();
if (key == kDisplayUpperLeftRadiusKeyName) {
panel_radii.set_upper_left(radius);
} else if (key == kDisplayUpperRightRadiusKeyName) {
panel_radii.set_upper_right(radius);
} else if (key == kDisplayLowerLeftRadiusKeyName) {
panel_radii.set_lower_left(radius);
} else if (key == kDisplayLowerRightRadiusKeyName) {
panel_radii.set_lower_right(radius);
}
}
return panel_radii;
}
} // namespace
std::optional<gfx::RoundedCornersF> ParseDisplayPanelRadii(
const base::Value* json_value) {
if (!json_value->is_list()) {
return std::nullopt;
}
const auto& display_infos = json_value->GetList();
if (display_infos.size() > 1) {
LOG(WARNING) << "Currently rounded-display property is only supported for "
"the internal display";
return std::nullopt;
}
if (!display_infos.back().is_dict()) {
return std::nullopt;
}
const auto& display_info = display_infos.back().GetDict();
std::optional<gfx::RoundedCornersF> panel_radii =
ParsePanelRadii(display_info.Find(kDisplayRadiiKeyName));
if (!panel_radii.has_value()) {
LOG(ERROR) << base::StringPrintf(
"Invalid format of `%s` specified through display-properties "
"switch",
kDisplayRadiiKeyName);
return std::nullopt;
}
return panel_radii;
}
} // namespace display
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