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Code Issues Releases Wiki Activity

Remove MacFSListener

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It's no longer needed. This code dates back to before Qt had a FSEvents-based filesystem listener.
This commit is contained in:
Jonas Kvinge 2024-09-23 16:05:02 +02:00
parent f9c35edd7c
commit f8ce2f1705
4 changed files with 3 additions and 208 deletions
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2
src/CMakeLists.txt
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@ -866,7 +866,6 @@ optional_source(APPLE
core/scoped_nsautorelease_pool.mm
core/mac_startup.mm
core/macsystemtrayicon.mm
core/macfslistener.mm
osd/osdmac.mm
widgets/searchfield_mac.mm
engine/macosdevicefinder.cpp
@ -875,7 +874,6 @@ optional_source(APPLE
device/macosdevicelister.mm
HEADERS
core/macsystemtrayicon.h
core/macfslistener.h
osd/osdmac.h
globalshortcuts/globalshortcutsbackend-macos.h
device/macosdevicelister.h

14
src/core/filesystemwatcherinterface.cpp
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@ -25,22 +25,14 @@
#include "filesystemwatcherinterface.h"
#include "qtfslistener.h"
#ifdef Q_OS_MACOS
# include "macfslistener.h"
#endif
FileSystemWatcherInterface::FileSystemWatcherInterface(QObject *parent)
: QObject(parent) {}
FileSystemWatcherInterface *FileSystemWatcherInterface::Create(QObject *parent) {
#ifdef Q_OS_MACOS
FileSystemWatcherInterface *ret = new MacFSListener(parent);
#else
FileSystemWatcherInterface *ret = new QtFSListener(parent);
#endif
FileSystemWatcherInterface *listener = new QtFSListener(parent);
listener->Init();
ret->Init();
return ret;
return listener;
}

65
src/core/macfslistener.h
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@ -1,65 +0,0 @@
/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2012, David Sansome <me@davidsansome.com>
* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MACFSLISTENER_H
#define MACFSLISTENER_H
#include "config.h"
#include <CoreServices/CoreServices.h>
#include <QObject>
#include <QSet>
#include <QString>
#include "filesystemwatcherinterface.h"
class QTimer;
class MacFSListener : public FileSystemWatcherInterface {
Q_OBJECT
public:
explicit MacFSListener(QObject *parent = nullptr);
void Init();
void AddPath(const QString &path);
void RemovePath(const QString &path);
void Clear();
Q_SIGNALS:
void PathChanged(const QString &path);
private Q_SLOTS:
void UpdateStream();
private:
void UpdateStreamAsync();
static void EventStreamCallback(ConstFSEventStreamRef stream, void *user_data, size_t num_events, void *event_paths, const FSEventStreamEventFlags event_flags[], const FSEventStreamEventId event_ids[]);
CFRunLoopRef run_loop_;
FSEventStreamRef stream_;
QSet<QString> paths_;
QTimer *update_timer_;
};
#endif // MACFSLISTENER_H

130
src/core/macfslistener.mm
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@ -1,130 +0,0 @@
/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "macfslistener.h"
#include "config.h"
#include <QTimer>
#include <CoreFoundation/CFArray.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSString.h>
#include "core/logging.h"
#include "scoped_nsobject.h"
using namespace Qt::Literals::StringLiterals;
MacFSListener::MacFSListener(QObject *parent)
: FileSystemWatcherInterface(parent),
run_loop_(nullptr),
stream_(nullptr),
update_timer_(new QTimer(this)) {
update_timer_->setSingleShot(true);
update_timer_->setInterval(2000);
QObject::connect(update_timer_, &QTimer::timeout, this, &MacFSListener::UpdateStream);
}
void MacFSListener::Init() { run_loop_ = CFRunLoopGetCurrent(); }
void MacFSListener::EventStreamCallback(ConstFSEventStreamRef stream, void *user_data, size_t num_events, void *event_paths, const FSEventStreamEventFlags event_flags[], const FSEventStreamEventId event_ids[]) {
Q_UNUSED(stream);
Q_UNUSED(event_flags);
Q_UNUSED(event_ids);
MacFSListener *me = reinterpret_cast<MacFSListener*>(user_data);
char **paths = reinterpret_cast<char**>(event_paths);
for (size_t i = 0; i < num_events; ++i) {
QString path = QString::fromUtf8(paths[i]);
qLog(Debug) << "Something changed at:" << path;
while (path.endsWith(u'/')) {
path.chop(1);
}
Q_EMIT me->PathChanged(path);
}
}
void MacFSListener::AddPath(const QString &path) {
Q_ASSERT(run_loop_);
paths_.insert(path);
UpdateStreamAsync();
}
void MacFSListener::RemovePath(const QString &path) {
Q_ASSERT(run_loop_);
paths_.remove(path);
UpdateStreamAsync();
}
void MacFSListener::Clear() {
paths_.clear();
UpdateStreamAsync();
}
void MacFSListener::UpdateStreamAsync() {
update_timer_->start();
}
void MacFSListener::UpdateStream() {
if (stream_) {
FSEventStreamStop(stream_);
FSEventStreamInvalidate(stream_);
FSEventStreamRelease(stream_);
stream_ = nullptr;
}
if (paths_.empty()) {
return;
}
scoped_nsobject<NSMutableArray> array([ [NSMutableArray alloc] init]);
for (const QString &path : paths_) {
scoped_nsobject<NSString> string([ [NSString alloc] initWithUTF8String:path.toUtf8().constData()]);
[array addObject:string.get()];
}
FSEventStreamContext context;
memset(&context, 0, sizeof(context));
context.info = this;
CFAbsoluteTime latency = 1.0;
stream_ = FSEventStreamCreate(nullptr, &EventStreamCallback, &context, // Copied
reinterpret_cast<CFArrayRef>(array.get()),
kFSEventStreamEventIdSinceNow, latency,
kFSEventStreamCreateFlagNone);
FSEventStreamScheduleWithRunLoop(stream_, run_loop_, kCFRunLoopDefaultMode);
FSEventStreamStart(stream_);
}