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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.
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/NonnullOwnPtrVector.h>
#include <LibCore/CNotifier.h>
#include <LibGUI/GModel.h>
#include <sys/stat.h>
#include <time.h>
class GFileSystemModel : public GModel
, public Weakable<GFileSystemModel> {
friend struct Node;
public:
enum Mode {
Invalid,
DirectoriesOnly,
FilesAndDirectories
};
enum Column {
Icon = 0,
Name,
Size,
Owner,
Group,
Permissions,
ModificationTime,
Inode,
SymlinkTarget,
__Count,
};
struct Node {
~Node() { close(m_watch_fd); }
String name;
String symlink_target;
size_t size { 0 };
mode_t mode { 0 };
uid_t uid { 0 };
gid_t gid { 0 };
ino_t inode { 0 };
time_t mtime { 0 };
size_t total_size { 0 };
mutable RefPtr<GraphicsBitmap> thumbnail;
bool is_directory() const { return S_ISDIR(mode); }
bool is_executable() const { return mode & (S_IXUSR | S_IXGRP | S_IXOTH); }
String full_path(const GFileSystemModel&) const;
private:
friend class GFileSystemModel;
Node* parent { nullptr };
NonnullOwnPtrVector<Node> children;
bool has_traversed { false };
int m_watch_fd { -1 };
RefPtr<CNotifier> m_notifier;
GModelIndex index(const GFileSystemModel&, int column) const;
void traverse_if_needed(const GFileSystemModel&);
void reify_if_needed(const GFileSystemModel&);
bool fetch_data(const String& full_path, bool is_root);
};
static NonnullRefPtr<GFileSystemModel> create(const StringView& root_path = "/", Mode mode = Mode::FilesAndDirectories)
{
return adopt(*new GFileSystemModel(root_path, mode));
}
virtual ~GFileSystemModel() override;
String root_path() const { return m_root_path; }
void set_root_path(const StringView&);
String full_path(const GModelIndex&) const;
GModelIndex index(const StringView& path, int column) const;
const Node& node(const GModelIndex& index) const;
GIcon icon_for_file(const mode_t mode, const String& name) const;
Function<void(int done, int total)> on_thumbnail_progress;
Function<void()> on_root_path_change;
virtual int tree_column() const { return Column::Name; }
virtual int row_count(const GModelIndex& = GModelIndex()) const override;
virtual int column_count(const GModelIndex& = GModelIndex()) const override;
virtual String column_name(int column) const override;
virtual ColumnMetadata column_metadata(int column) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual void update() override;
virtual GModelIndex parent_index(const GModelIndex&) const override;
virtual GModelIndex index(int row, int column = 0, const GModelIndex& parent = GModelIndex()) const override;
virtual StringView drag_data_type() const override { return "url-list"; }
static String timestamp_string(time_t timestamp)
{
auto* tm = localtime(×tamp);
return String::format("%4u-%02u-%02u %02u:%02u:%02u",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour,
tm->tm_min,
tm->tm_sec);
}
private:
GFileSystemModel(const StringView& root_path, Mode);
String name_for_uid(uid_t) const;
String name_for_gid(gid_t) const;
HashMap<uid_t, String> m_user_names;
HashMap<gid_t, String> m_group_names;
bool fetch_thumbnail_for(const Node& node);
GIcon icon_for(const Node& node) const;
String m_root_path;
Mode m_mode { Invalid };
OwnPtr<Node> m_root { nullptr };
GIcon m_directory_icon;
GIcon m_file_icon;
GIcon m_symlink_icon;
GIcon m_socket_icon;
GIcon m_executable_icon;
GIcon m_filetype_image_icon;
GIcon m_filetype_sound_icon;
GIcon m_filetype_html_icon;
unsigned m_thumbnail_progress { 0 };
unsigned m_thumbnail_progress_total { 0 };
};
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