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- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "DirectoryView.h"
- #include <AK/NumberFormat.h>
- #include <AK/StringBuilder.h>
- #include <LibGUI/MessageBox.h>
- #include <LibGUI/SortingProxyModel.h>
- #include <stdio.h>
- #include <unistd.h>
- NonnullRefPtr<GUI::Action> LauncherHandler::create_launch_action(Function<void(const LauncherHandler&)> launch_handler)
- {
- RefPtr<Gfx::Bitmap> icon;
- auto icon_file = details().icons.get("16x16");
- if (icon_file.has_value())
- icon = Gfx::Bitmap::load_from_file(icon_file.value());
- return GUI::Action::create(details().name, move(icon), [this, launch_handler = move(launch_handler)](auto&) {
- launch_handler(*this);
- });
- }
- RefPtr<LauncherHandler> DirectoryView::get_default_launch_handler(const NonnullRefPtrVector<LauncherHandler>& handlers)
- {
- // If this is an application, pick it first
- for (size_t i = 0; i < handlers.size(); i++) {
- if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::Application)
- return handlers[i];
- }
- // If there's a handler preferred by the user, pick this first
- for (size_t i = 0; i < handlers.size(); i++) {
- if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::UserPreferred)
- return handlers[i];
- }
- // Otherwise, use the user's default, if available
- for (size_t i = 0; i < handlers.size(); i++) {
- if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::UserDefault)
- return handlers[i];
- }
- // If still no match, use the first one we find
- if (!handlers.is_empty()) {
- return handlers[0];
- }
- return {};
- }
- NonnullRefPtrVector<LauncherHandler> DirectoryView::get_launch_handlers(const URL& url)
- {
- NonnullRefPtrVector<LauncherHandler> handlers;
- for (auto& h : Desktop::Launcher::get_handlers_with_details_for_url(url)) {
- handlers.append(adopt(*new LauncherHandler(h)));
- }
- return handlers;
- }
- NonnullRefPtrVector<LauncherHandler> DirectoryView::get_launch_handlers(const String& path)
- {
- return get_launch_handlers(URL::create_with_file_protocol(path));
- }
- void DirectoryView::handle_activation(const GUI::ModelIndex& index)
- {
- if (!index.is_valid())
- return;
- dbgprintf("on activation: %d,%d, this=%p, m_model=%p\n", index.row(), index.column(), this, m_model.ptr());
- auto& node = model().node(index);
- auto path = node.full_path(model());
- struct stat st;
- if (stat(path.characters(), &st) < 0) {
- perror("stat");
- return;
- }
- if (S_ISDIR(st.st_mode)) {
- open(path);
- return;
- }
- auto url = URL::create_with_file_protocol(path);
- auto launcher_handlers = get_launch_handlers(url);
- auto default_launcher = get_default_launch_handler(launcher_handlers);
- if (default_launcher && on_launch) {
- on_launch(url, *default_launcher);
- } else {
- auto error_message = String::format("Could not open %s", path.characters());
- GUI::MessageBox::show(window(), error_message, "File Manager", GUI::MessageBox::Type::Error);
- }
- }
- DirectoryView::DirectoryView()
- : m_model(GUI::FileSystemModel::create())
- , m_sorting_model(GUI::SortingProxyModel::create(m_model))
- {
- set_active_widget(nullptr);
- set_content_margins({ 2, 2, 2, 2 });
- m_icon_view = add<GUI::IconView>();
- m_icon_view->set_model(m_sorting_model);
- m_columns_view = add<GUI::ColumnsView>();
- m_columns_view->set_model(m_sorting_model);
- m_table_view = add<GUI::TableView>();
- m_table_view->set_model(m_sorting_model);
- m_table_view->set_key_column_and_sort_order(GUI::FileSystemModel::Column::Name, GUI::SortOrder::Ascending);
- m_icon_view->set_model_column(GUI::FileSystemModel::Column::Name);
- m_columns_view->set_model_column(GUI::FileSystemModel::Column::Name);
- m_model->on_error = [this](int error, const char* error_string) {
- bool quit = false;
- if (m_path_history.size())
- open(m_path_history.at(m_path_history_position));
- else
- quit = true;
- if (on_error)
- on_error(error, error_string, quit);
- };
- m_model->on_complete = [this] {
- m_table_view->selection().clear();
- m_icon_view->selection().clear();
- add_path_to_history(model().root_path());
- if (on_path_change)
- on_path_change(model().root_path());
- };
- m_model->register_client(*this);
- m_model->on_thumbnail_progress = [this](int done, int total) {
- if (on_thumbnail_progress)
- on_thumbnail_progress(done, total);
- };
- m_icon_view->on_activation = [&](auto& index) {
- handle_activation(map_index(index));
- };
- m_columns_view->on_activation = [&](auto& index) {
- handle_activation(map_index(index));
- };
- m_table_view->on_activation = [&](auto& index) {
- handle_activation(map_index(index));
- };
- m_table_view->on_selection_change = [this] {
- update_statusbar();
- if (on_selection_change)
- on_selection_change(*m_table_view);
- };
- m_icon_view->on_selection_change = [this] {
- update_statusbar();
- if (on_selection_change)
- on_selection_change(*m_icon_view);
- };
- m_columns_view->on_selection_change = [this] {
- update_statusbar();
- if (on_selection_change)
- on_selection_change(*m_columns_view);
- };
- m_table_view->on_context_menu_request = [this](auto& index, auto& event) {
- if (on_context_menu_request)
- on_context_menu_request(*m_table_view, map_index(index), event);
- };
- m_icon_view->on_context_menu_request = [this](auto& index, auto& event) {
- if (on_context_menu_request)
- on_context_menu_request(*m_icon_view, map_index(index), event);
- };
- m_columns_view->on_context_menu_request = [this](auto& index, auto& event) {
- if (on_context_menu_request)
- on_context_menu_request(*m_columns_view, map_index(index), event);
- };
- m_table_view->on_drop = [this](auto& index, auto& event) {
- if (on_drop)
- on_drop(*m_table_view, map_index(index), event);
- };
- m_icon_view->on_drop = [this](auto& index, auto& event) {
- if (on_drop)
- on_drop(*m_icon_view, map_index(index), event);
- };
- m_columns_view->on_drop = [this](auto& index, auto& event) {
- if (on_drop)
- on_drop(*m_columns_view, map_index(index), event);
- };
- set_view_mode(ViewMode::Icon);
- }
- DirectoryView::~DirectoryView()
- {
- m_model->unregister_client(*this);
- }
- void DirectoryView::model_did_update(unsigned flags)
- {
- if (flags & GUI::Model::UpdateFlag::InvalidateAllIndexes) {
- for_each_view_implementation([](auto& view) {
- view.selection().clear();
- });
- }
- update_statusbar();
- }
- void DirectoryView::set_view_mode(ViewMode mode)
- {
- if (m_view_mode == mode)
- return;
- m_view_mode = mode;
- update();
- if (mode == ViewMode::Table) {
- set_active_widget(m_table_view);
- return;
- }
- if (mode == ViewMode::Columns) {
- set_active_widget(m_columns_view);
- return;
- }
- if (mode == ViewMode::Icon) {
- set_active_widget(m_icon_view);
- return;
- }
- ASSERT_NOT_REACHED();
- }
- void DirectoryView::add_path_to_history(const StringView& path)
- {
- if (m_path_history.size() && m_path_history.at(m_path_history_position) == path)
- return;
- if (m_path_history_position < m_path_history.size())
- m_path_history.resize(m_path_history_position + 1);
- m_path_history.append(path);
- m_path_history_position = m_path_history.size() - 1;
- }
- void DirectoryView::open(const StringView& path)
- {
- if (model().root_path() == path) {
- model().update();
- return;
- }
- model().set_root_path(path);
- }
- void DirectoryView::set_status_message(const StringView& message)
- {
- if (on_status_message)
- on_status_message(message);
- }
- void DirectoryView::open_parent_directory()
- {
- auto path = String::format("%s/..", model().root_path().characters());
- model().set_root_path(path);
- }
- void DirectoryView::refresh()
- {
- model().update();
- }
- void DirectoryView::open_previous_directory()
- {
- if (m_path_history_position > 0) {
- m_path_history_position--;
- model().set_root_path(m_path_history[m_path_history_position]);
- }
- }
- void DirectoryView::open_next_directory()
- {
- if (m_path_history_position < m_path_history.size() - 1) {
- m_path_history_position++;
- model().set_root_path(m_path_history[m_path_history_position]);
- }
- }
- GUI::ModelIndex DirectoryView::map_index(const GUI::ModelIndex& index) const
- {
- return m_sorting_model->map_to_source(index);
- }
- void DirectoryView::update_statusbar()
- {
- size_t total_size = model().node({}).total_size;
- if (current_view().selection().is_empty()) {
- set_status_message(String::format("%d item%s (%s)",
- model().row_count(),
- model().row_count() != 1 ? "s" : "",
- human_readable_size(total_size).characters()));
- return;
- }
- int selected_item_count = current_view().selection().size();
- size_t selected_byte_count = 0;
- current_view().selection().for_each_index([&](auto& index) {
- auto& model = *current_view().model();
- auto size_index = model.index(index.row(), GUI::FileSystemModel::Column::Size, model.parent_index(index));
- auto file_size = model.data(size_index).to_i32();
- selected_byte_count += file_size;
- });
- StringBuilder builder;
- builder.append(String::number(selected_item_count));
- builder.append(" item");
- if (selected_item_count != 1)
- builder.append('s');
- builder.append(" selected (");
- builder.append(human_readable_size(selected_byte_count).characters());
- builder.append(')');
- if (selected_item_count == 1) {
- auto& node = model().node(map_index(current_view().selection().first()));
- if (!node.symlink_target.is_empty()) {
- builder.append(" -> ");
- builder.append(node.symlink_target);
- }
- }
- set_status_message(builder.to_string());
- }
- void DirectoryView::set_should_show_dotfiles(bool show_dotfiles)
- {
- m_model->set_should_show_dotfiles(show_dotfiles);
- }
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