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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/enterprise/watermark/settings.h"
#include "base/command_line.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/common/channel_info.h"
#include "components/version_info/version_info.h"
namespace {
// The following values are calculated from the required percentages, 4% for
// fill opacity and 6% for outline opacity.
constexpr int kDefaultFillOpacity = 0xb;
constexpr int kDefaultOutlineOpacity = 0x11;
constexpr SkColor kFillColor =
SkColorSetARGB(kDefaultFillOpacity, 0x00, 0x00, 0x00);
constexpr SkColor kOutlineColor =
SkColorSetARGB(kDefaultOutlineOpacity, 0xff, 0xff, 0xff);
// Command line switches that allow users to set fill and outline opacity values
// as a percentage between 1 and 99, inclusive.
constexpr char kWatermarkFillOpacityPercentFlag[] = "watermark-fill-opacity";
constexpr char kWatermarkOutlineOpacityPercentFlag[] =
"watermark-outline-opacity";
int GetClampedOpacity(int default_value, const char* cmd_opacity_percent_flag) {
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
if (cmd->HasSwitch(cmd_opacity_percent_flag) &&
(chrome::GetChannel() != version_info::Channel::STABLE ||
chrome::GetChannel() != version_info::Channel::BETA)) {
int opacity = default_value;
if (base::StringToInt(cmd->GetSwitchValueASCII(cmd_opacity_percent_flag),
&opacity)) {
return std::clamp(opacity, 1, 99) * 256 / 100;
}
}
return default_value;
}
} // namespace
namespace enterprise_watermark {
SkColor GetFillColor() {
return SkColorSetA(
kFillColor,
GetClampedOpacity(kDefaultFillOpacity, kWatermarkFillOpacityPercentFlag));
}
SkColor GetOutlineColor() {
return SkColorSetA(kOutlineColor,
GetClampedOpacity(kDefaultOutlineOpacity,
kWatermarkOutlineOpacityPercentFlag));
}
} // namespace enterprise_watermark
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