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