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/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021, Mustafa Quraish <mustafa@cs.toronto.edu>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ClipboardHistoryModel.h"
#include <AK/NumberFormat.h>
#include <AK/StringBuilder.h>
#include <LibConfig/Client.h>
NonnullRefPtr<ClipboardHistoryModel> ClipboardHistoryModel::create()
{
return adopt_ref(*new ClipboardHistoryModel());
}
ClipboardHistoryModel::ClipboardHistoryModel()
: m_history_limit(Config::read_i32("ClipboardHistory", "ClipboardHistory", "NumHistoryItems", 20))
{
}
String ClipboardHistoryModel::column_name(int column) const
{
switch (column) {
case Column::Data:
return "Data";
case Column::Type:
return "Type";
case Column::Size:
return "Size";
case Column::Time:
return "Time";
default:
VERIFY_NOT_REACHED();
}
}
static char const* bpp_for_format_resilient(String format)
{
unsigned format_uint = format.to_uint().value_or(static_cast<unsigned>(Gfx::BitmapFormat::Invalid));
// Cannot use Gfx::Bitmap::bpp_for_format here, as we have to accept invalid enum values.
switch (static_cast<Gfx::BitmapFormat>(format_uint)) {
case Gfx::BitmapFormat::Indexed1:
return "1";
case Gfx::BitmapFormat::Indexed2:
return "2";
case Gfx::BitmapFormat::Indexed4:
return "4";
case Gfx::BitmapFormat::Indexed8:
return "8";
case Gfx::BitmapFormat::BGRx8888:
case Gfx::BitmapFormat::BGRA8888:
return "32";
case Gfx::BitmapFormat::Invalid:
/* fall-through */
default:
return "?";
}
}
GUI::Variant ClipboardHistoryModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
{
if (role != GUI::ModelRole::Display)
return {};
auto& item = m_history_items[index.row()];
auto& data_and_type = item.data_and_type;
auto& time = item.time;
switch (index.column()) {
case Column::Data:
if (data_and_type.mime_type.starts_with("text/"))
return String::copy(data_and_type.data);
if (data_and_type.mime_type == "image/x-serenityos") {
StringBuilder builder;
builder.append("[");
builder.append(data_and_type.metadata.get("width").value_or("?"));
builder.append('x');
builder.append(data_and_type.metadata.get("height").value_or("?"));
builder.append('x');
builder.append(bpp_for_format_resilient(data_and_type.metadata.get("format").value_or("0")));
builder.append(" bitmap");
builder.append("]");
return builder.to_string();
}
if (data_and_type.mime_type.starts_with("glyph/")) {
StringBuilder builder;
auto count = data_and_type.metadata.get("count").value().to_uint().value_or(0);
auto start = data_and_type.metadata.get("start").value().to_uint().value_or(0);
auto width = data_and_type.metadata.get("width").value().to_uint().value_or(0);
auto height = data_and_type.metadata.get("height").value().to_uint().value_or(0);
if (count > 1) {
builder.appendff("U+{:04X}..U+{:04X} ({} glyphs) [{}x{}]", start, start + count - 1, count, width, height);
} else {
builder.appendff("U+{:04X} (", start);
builder.append_code_point(start);
builder.appendff(") [{}x{}]", width, height);
}
return builder.to_string();
}
return "<...>";
case Column::Type:
return data_and_type.mime_type;
case Column::Size:
return AK::human_readable_size(data_and_type.data.size());
case Column::Time:
return time.to_string();
default:
VERIFY_NOT_REACHED();
}
}
void ClipboardHistoryModel::add_item(const GUI::Clipboard::DataAndType& item)
{
m_history_items.remove_first_matching([&](ClipboardItem& existing) {
return existing.data_and_type.data == item.data && existing.data_and_type.mime_type == item.mime_type;
});
if (m_history_items.size() == m_history_limit)
m_history_items.take_last();
m_history_items.prepend({ item, Core::DateTime::now() });
invalidate();
}
void ClipboardHistoryModel::remove_item(int index)
{
m_history_items.remove(index);
}
void ClipboardHistoryModel::config_string_did_change(String const& domain, String const& group, String const& key, String const& value_string)
{
if (domain != "ClipboardHistory" || group != "ClipboardHistory")
return;
// FIXME: Once we can get notified for `i32` changes, we can use that instead of this hack.
if (key == "NumHistoryItems") {
auto value_or_error = value_string.to_int();
if (!value_or_error.has_value())
return;
auto value = value_or_error.value();
if (value < (int)m_history_items.size()) {
m_history_items.remove(value, m_history_items.size() - value);
invalidate();
}
m_history_limit = value;
return;
}
}
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