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Userland+LibCore: Update FileWatcher + its users for InodeWatcher 2.0

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With the new InodeWatcher API, the old style of creating a watcher per
inode will no longer work.  Therefore the FileWatcher API has been
updated to support multiple watches, and its users have also been
refactored to the new style.  At the moment, all operations done on a
(Blocking)FileWatcher return Result objects, however, this may be
changed in the future if it becomes too obnoxious. :^)

Co-authored-by: Gunnar Beutner <gunnar@beutner.name>
This commit is contained in:
sin-ack
2021-05-09 17:09:30 +00:00
committed by Andreas Kling
parent fe5ca6ca27
commit 2159f90e00
12 changed files with 403 additions and 140 deletions
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13
Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
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@@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Nick Vella <nick@nxk.io>
* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@@ -8,6 +9,7 @@
#include <AK/LexicalPath.h>
#include <AK/QuickSort.h>
#include <Kernel/API/InodeWatcherEvent.h>
#include <LibCore/DirIterator.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Variant.h>
@@ -21,12 +23,21 @@ ProjectTemplatesModel::ProjectTemplatesModel()
: m_templates()
, m_mapping()
{
auto watcher_or_error = Core::FileWatcher::watch(ProjectTemplate::templates_path());
auto watcher_or_error = Core::FileWatcher::create();
if (!watcher_or_error.is_error()) {
m_file_watcher = watcher_or_error.release_value();
m_file_watcher->on_change = [&](auto) {
update();
};
auto watch_result = m_file_watcher->add_watch(
ProjectTemplate::templates_path(),
Core::FileWatcherEvent::Type::ChildCreated
| Core::FileWatcherEvent::Type::ChildDeleted);
if (watch_result.is_error()) {
warnln("Unable to watch templates directory, templates will not automatically refresh. Error: {}", watch_result.error());
}
} else {
warnln("Unable to watch templates directory, templates will not automatically refresh. Error: {}", watcher_or_error.error());
}