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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "ui/linux/linux_ui.h"
#include <cstdio>
#include <utility>
#include "base/command_line.h"
#include "base/no_destructor.h"
#include "build/build_config.h"
#include "ui/linux/cursor_theme_manager_observer.h"
#include "ui/linux/linux_ui_getter.h"
namespace ui {
namespace {
LinuxUi* g_linux_ui = nullptr;
} // namespace
// static
LinuxUi* LinuxUi::SetInstance(LinuxUi* instance) {
return std::exchange(g_linux_ui, instance);
}
// static
LinuxUi* LinuxUi::instance() {
return g_linux_ui;
}
LinuxUi::LinuxUi() = default;
LinuxUi::~LinuxUi() = default;
LinuxUi::CmdLineArgs::CmdLineArgs() = default;
LinuxUi::CmdLineArgs::CmdLineArgs(CmdLineArgs&&) = default;
LinuxUi::CmdLineArgs& LinuxUi::CmdLineArgs::operator=(CmdLineArgs&&) = default;
LinuxUi::CmdLineArgs::~CmdLineArgs() = default;
void LinuxUi::AddDeviceScaleFactorObserver(
DeviceScaleFactorObserver* observer) {
device_scale_factor_observer_list_.AddObserver(observer);
}
void LinuxUi::RemoveDeviceScaleFactorObserver(
DeviceScaleFactorObserver* observer) {
device_scale_factor_observer_list_.RemoveObserver(observer);
}
void LinuxUi::AddCursorThemeObserver(CursorThemeManagerObserver* observer) {
cursor_theme_observer_list_.AddObserver(observer);
std::string name = GetCursorThemeName();
if (!name.empty()) {
observer->OnCursorThemeNameChanged(name);
}
int size = GetCursorThemeSize();
if (size) {
observer->OnCursorThemeSizeChanged(size);
}
}
void LinuxUi::RemoveCursorThemeObserver(CursorThemeManagerObserver* observer) {
cursor_theme_observer_list_.RemoveObserver(observer);
}
LinuxUi::FontSettings LinuxUi::GetDefaultFontDescription() {
if (!default_font_settings_.has_value()) {
InitializeFontSettings();
}
return *default_font_settings_;
}
// static
LinuxUi::CmdLineArgs LinuxUi::CopyCmdLine(
const base::CommandLine& command_line) {
const auto& argv = command_line.argv();
size_t args_chars = 0;
for (const auto& arg : argv) {
args_chars += arg.size() + 1;
}
CmdLineArgs cmd_line;
cmd_line.args = std::vector<char>(args_chars);
char* dst = cmd_line.args.data();
for (const auto& arg : argv) {
cmd_line.argv.push_back(dst);
snprintf(dst, &cmd_line.args.back() + 1 - dst, "%s", arg.c_str());
dst += arg.size() + 1;
}
cmd_line.argc = cmd_line.argv.size();
return cmd_line;
}
LinuxUiTheme::LinuxUiTheme() = default;
LinuxUiTheme::~LinuxUiTheme() = default;
// static
LinuxUiTheme* LinuxUiTheme::GetForWindow(aura::Window* window) {
if (auto* getter = LinuxUiGetter::instance()) {
return getter->GetForWindow(window);
}
return nullptr;
}
// static
LinuxUiTheme* LinuxUiTheme::GetForProfile(Profile* profile) {
if (auto* getter = LinuxUiGetter::instance()) {
return getter->GetForProfile(profile);
}
return nullptr;
}
} // namespace ui
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