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https://github.com/RGBCube/serenity
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0083fe0118
This patch begins the process of converting FileManager's desktop mode to using the DirectoryView class. This will allow us to share most of the code between the two different runtime modes of FileManager. We lose a bit of functionality in this patch, but we'll bring it back!
431 lines
14 KiB
C++
431 lines
14 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "DirectoryView.h"
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#include <AK/NumberFormat.h>
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#include <AK/StringBuilder.h>
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#include <LibCore/StandardPaths.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/SortingProxyModel.h>
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#include <serenity.h>
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#include <spawn.h>
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#include <stdio.h>
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#include <unistd.h>
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NonnullRefPtr<GUI::Action> LauncherHandler::create_launch_action(Function<void(const LauncherHandler&)> launch_handler)
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{
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RefPtr<Gfx::Bitmap> icon;
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auto icon_file = details().icons.get("16x16");
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if (icon_file.has_value())
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icon = Gfx::Bitmap::load_from_file(icon_file.value());
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return GUI::Action::create(details().name, move(icon), [this, launch_handler = move(launch_handler)](auto&) {
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launch_handler(*this);
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});
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}
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RefPtr<LauncherHandler> DirectoryView::get_default_launch_handler(const NonnullRefPtrVector<LauncherHandler>& handlers)
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{
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// If this is an application, pick it first
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for (size_t i = 0; i < handlers.size(); i++) {
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if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::Application)
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return handlers[i];
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}
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// If there's a handler preferred by the user, pick this first
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for (size_t i = 0; i < handlers.size(); i++) {
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if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::UserPreferred)
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return handlers[i];
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}
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// Otherwise, use the user's default, if available
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for (size_t i = 0; i < handlers.size(); i++) {
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if (handlers[i].details().launcher_type == Desktop::Launcher::LauncherType::UserDefault)
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return handlers[i];
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}
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// If still no match, use the first one we find
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if (!handlers.is_empty()) {
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return handlers[0];
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}
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return {};
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}
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NonnullRefPtrVector<LauncherHandler> DirectoryView::get_launch_handlers(const URL& url)
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{
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NonnullRefPtrVector<LauncherHandler> handlers;
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for (auto& h : Desktop::Launcher::get_handlers_with_details_for_url(url)) {
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handlers.append(adopt(*new LauncherHandler(h)));
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}
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return handlers;
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}
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NonnullRefPtrVector<LauncherHandler> DirectoryView::get_launch_handlers(const String& path)
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{
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return get_launch_handlers(URL::create_with_file_protocol(path));
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}
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void DirectoryView::handle_activation(const GUI::ModelIndex& index)
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{
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if (!index.is_valid())
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return;
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dbgprintf("on activation: %d,%d, this=%p, m_model=%p\n", index.row(), index.column(), this, m_model.ptr());
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auto& node = model().node(index);
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auto path = node.full_path(model());
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struct stat st;
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if (stat(path.characters(), &st) < 0) {
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perror("stat");
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return;
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}
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if (S_ISDIR(st.st_mode)) {
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if (is_desktop()) {
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Desktop::Launcher::open(URL::create_with_file_protocol(path));
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return;
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}
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open(path);
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return;
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}
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auto url = URL::create_with_file_protocol(path);
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auto launcher_handlers = get_launch_handlers(url);
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auto default_launcher = get_default_launch_handler(launcher_handlers);
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if (default_launcher) {
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launch(url, *default_launcher);
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} else {
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auto error_message = String::format("Could not open %s", path.characters());
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GUI::MessageBox::show(window(), error_message, "File Manager", GUI::MessageBox::Type::Error);
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}
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}
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DirectoryView::DirectoryView(Mode mode)
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: m_mode(mode)
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, m_model(GUI::FileSystemModel::create())
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, m_sorting_model(GUI::SortingProxyModel::create(m_model))
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{
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set_active_widget(nullptr);
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set_content_margins({ 2, 2, 2, 2 });
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setup_model();
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setup_icon_view();
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if (mode != Mode::Desktop) {
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setup_columns_view();
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setup_table_view();
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}
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set_view_mode(ViewMode::Icon);
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}
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void DirectoryView::setup_model()
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{
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m_model->set_root_path(Core::StandardPaths::desktop_directory());
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m_model->on_error = [this](int error, const char* error_string) {
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bool quit = false;
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if (m_path_history.size())
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open(m_path_history.at(m_path_history_position));
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else
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quit = true;
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if (on_error)
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on_error(error, error_string, quit);
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};
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m_model->on_complete = [this] {
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if (m_table_view)
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m_table_view->selection().clear();
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if (m_icon_view)
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m_icon_view->selection().clear();
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add_path_to_history(model().root_path());
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if (on_path_change)
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on_path_change(model().root_path());
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};
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m_model->register_client(*this);
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m_model->on_thumbnail_progress = [this](int done, int total) {
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if (on_thumbnail_progress)
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on_thumbnail_progress(done, total);
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};
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}
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void DirectoryView::setup_icon_view()
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{
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m_icon_view = add<GUI::IconView>();
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if (is_desktop()) {
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m_icon_view->set_frame_shape(Gfx::FrameShape::NoFrame);
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m_icon_view->set_scrollbars_enabled(false);
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m_icon_view->set_fill_with_background_color(false);
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}
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m_icon_view->set_model(m_sorting_model);
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m_icon_view->set_model_column(GUI::FileSystemModel::Column::Name);
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m_icon_view->on_activation = [&](auto& index) {
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handle_activation(map_index(index));
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};
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m_icon_view->on_selection_change = [this] {
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update_statusbar();
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if (on_selection_change)
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on_selection_change(*m_icon_view);
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};
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m_icon_view->on_context_menu_request = [this](auto& index, auto& event) {
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if (on_context_menu_request)
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on_context_menu_request(*m_icon_view, map_index(index), event);
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};
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m_icon_view->on_drop = [this](auto& index, auto& event) {
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if (on_drop)
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on_drop(*m_icon_view, map_index(index), event);
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};
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}
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void DirectoryView::setup_columns_view()
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{
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m_columns_view = add<GUI::ColumnsView>();
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m_columns_view->set_model(m_sorting_model);
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m_columns_view->set_model_column(GUI::FileSystemModel::Column::Name);
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m_columns_view->on_activation = [&](auto& index) {
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handle_activation(map_index(index));
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};
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m_columns_view->on_selection_change = [this] {
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update_statusbar();
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if (on_selection_change)
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on_selection_change(*m_columns_view);
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};
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m_columns_view->on_context_menu_request = [this](auto& index, auto& event) {
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if (on_context_menu_request)
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on_context_menu_request(*m_columns_view, map_index(index), event);
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};
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m_columns_view->on_drop = [this](auto& index, auto& event) {
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if (on_drop)
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on_drop(*m_columns_view, map_index(index), event);
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};
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}
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void DirectoryView::setup_table_view()
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{
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m_table_view = add<GUI::TableView>();
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m_table_view->set_model(m_sorting_model);
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m_table_view->set_key_column_and_sort_order(GUI::FileSystemModel::Column::Name, GUI::SortOrder::Ascending);
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m_table_view->on_activation = [&](auto& index) {
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handle_activation(map_index(index));
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};
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m_table_view->on_selection_change = [this] {
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update_statusbar();
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if (on_selection_change)
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on_selection_change(*m_table_view);
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};
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m_table_view->on_context_menu_request = [this](auto& index, auto& event) {
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if (on_context_menu_request)
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on_context_menu_request(*m_table_view, map_index(index), event);
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};
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m_table_view->on_drop = [this](auto& index, auto& event) {
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if (on_drop)
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on_drop(*m_table_view, map_index(index), event);
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};
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}
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DirectoryView::~DirectoryView()
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{
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m_model->unregister_client(*this);
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}
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void DirectoryView::model_did_update(unsigned flags)
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{
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if (flags & GUI::Model::UpdateFlag::InvalidateAllIndexes) {
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for_each_view_implementation([](auto& view) {
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view.selection().clear();
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});
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}
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update_statusbar();
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}
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void DirectoryView::set_view_mode(ViewMode mode)
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{
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if (m_view_mode == mode)
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return;
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m_view_mode = mode;
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update();
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if (mode == ViewMode::Table) {
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set_active_widget(m_table_view);
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return;
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}
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if (mode == ViewMode::Columns) {
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set_active_widget(m_columns_view);
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return;
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}
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if (mode == ViewMode::Icon) {
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set_active_widget(m_icon_view);
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return;
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}
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ASSERT_NOT_REACHED();
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}
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void DirectoryView::add_path_to_history(const StringView& path)
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{
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if (m_path_history.size() && m_path_history.at(m_path_history_position) == path)
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return;
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if (m_path_history_position < m_path_history.size())
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m_path_history.resize(m_path_history_position + 1);
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m_path_history.append(path);
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m_path_history_position = m_path_history.size() - 1;
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}
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void DirectoryView::open(const StringView& path)
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{
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if (model().root_path() == path) {
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model().update();
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return;
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}
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model().set_root_path(path);
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}
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void DirectoryView::set_status_message(const StringView& message)
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{
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if (on_status_message)
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on_status_message(message);
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}
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void DirectoryView::open_parent_directory()
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{
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auto path = String::format("%s/..", model().root_path().characters());
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model().set_root_path(path);
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}
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void DirectoryView::refresh()
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{
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model().update();
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}
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void DirectoryView::open_previous_directory()
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{
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if (m_path_history_position > 0) {
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m_path_history_position--;
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model().set_root_path(m_path_history[m_path_history_position]);
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}
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}
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void DirectoryView::open_next_directory()
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{
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if (m_path_history_position < m_path_history.size() - 1) {
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m_path_history_position++;
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model().set_root_path(m_path_history[m_path_history_position]);
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}
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}
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GUI::ModelIndex DirectoryView::map_index(const GUI::ModelIndex& index) const
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{
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return m_sorting_model->map_to_source(index);
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}
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void DirectoryView::update_statusbar()
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{
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size_t total_size = model().node({}).total_size;
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if (current_view().selection().is_empty()) {
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set_status_message(String::format("%d item%s (%s)",
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model().row_count(),
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model().row_count() != 1 ? "s" : "",
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human_readable_size(total_size).characters()));
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return;
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}
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int selected_item_count = current_view().selection().size();
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size_t selected_byte_count = 0;
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current_view().selection().for_each_index([&](auto& index) {
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auto& model = *current_view().model();
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auto size_index = model.index(index.row(), GUI::FileSystemModel::Column::Size, model.parent_index(index));
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auto file_size = size_index.data().to_i32();
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selected_byte_count += file_size;
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});
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StringBuilder builder;
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builder.append(String::number(selected_item_count));
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builder.append(" item");
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if (selected_item_count != 1)
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builder.append('s');
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builder.append(" selected (");
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builder.append(human_readable_size(selected_byte_count).characters());
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builder.append(')');
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if (selected_item_count == 1) {
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auto& node = model().node(map_index(current_view().selection().first()));
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if (!node.symlink_target.is_empty()) {
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builder.append(" -> ");
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builder.append(node.symlink_target);
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}
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}
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set_status_message(builder.to_string());
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}
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void DirectoryView::set_should_show_dotfiles(bool show_dotfiles)
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{
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m_model->set_should_show_dotfiles(show_dotfiles);
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}
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void DirectoryView::launch(const URL&, const LauncherHandler& launcher_handler)
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{
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pid_t child;
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if (launcher_handler.details().launcher_type == Desktop::Launcher::LauncherType::Application) {
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const char* argv[] = { launcher_handler.details().name.characters(), nullptr };
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posix_spawn(&child, launcher_handler.details().executable.characters(), nullptr, nullptr, const_cast<char**>(argv), environ);
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if (disown(child) < 0)
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perror("disown");
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} else {
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for (auto& path : selected_file_paths()) {
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const char* argv[] = { launcher_handler.details().name.characters(), path.characters(), nullptr };
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posix_spawn(&child, launcher_handler.details().executable.characters(), nullptr, nullptr, const_cast<char**>(argv), environ);
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if (disown(child) < 0)
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perror("disown");
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}
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}
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}
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Vector<String> DirectoryView::selected_file_paths() const
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{
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Vector<String> paths;
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auto& view = current_view();
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auto& model = *view.model();
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view.selection().for_each_index([&](const GUI::ModelIndex& index) {
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auto parent_index = model.parent_index(index);
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auto name_index = model.index(index.row(), GUI::FileSystemModel::Column::Name, parent_index);
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auto path = name_index.data(GUI::ModelRole::Custom).to_string();
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paths.append(path);
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});
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return paths;
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}
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