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Trash instances instead of deleting (when possible) (#549)

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Squashed because of :pofat: commit history
This commit is contained in:
Ryan Cao 2022-07-31 01:42:33 +08:00 committed by GitHub
parent 94a63e3859
commit b15544c163
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 355 additions and 401 deletions
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229
launcher/FileSystem.cpp
View File

@ -35,76 +35,64 @@
#include "FileSystem.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QSaveFile>
#include <QFileInfo>
#include <QDebug>
#include <QUrl>
#include <QSaveFile>
#include <QStandardPaths>
#include <QTextStream>
#include <QUrl>
#if defined Q_OS_WIN32
#include <windows.h>
#include <string>
#include <sys/utime.h>
#include <winnls.h>
#include <shobjidl.h>
#include <objbase.h>
#include <objidl.h>
#include <shlguid.h>
#include <shlobj.h>
#include <objbase.h>
#include <objidl.h>
#include <shlguid.h>
#include <shlobj.h>
#include <shobjidl.h>
#include <sys/utime.h>
#include <windows.h>
#include <winnls.h>
#include <string>
#else
#include <utime.h>
#include <utime.h>
#endif
namespace FS {
void ensureExists(const QDir &dir)
void ensureExists(const QDir& dir)
{
if (!QDir().mkpath(dir.absolutePath()))
{
throw FileSystemException("Unable to create folder " + dir.dirName() + " (" +
dir.absolutePath() + ")");
if (!QDir().mkpath(dir.absolutePath())) {
throw FileSystemException("Unable to create folder " + dir.dirName() + " (" + dir.absolutePath() + ")");
}
}
void write(const QString &filename, const QByteArray &data)
void write(const QString& filename, const QByteArray& data)
{
ensureExists(QFileInfo(filename).dir());
QSaveFile file(filename);
if (!file.open(QSaveFile::WriteOnly))
{
throw FileSystemException("Couldn't open " + filename + " for writing: " +
file.errorString());
if (!file.open(QSaveFile::WriteOnly)) {
throw FileSystemException("Couldn't open " + filename + " for writing: " + file.errorString());
}
if (data.size() != file.write(data))
{
throw FileSystemException("Error writing data to " + filename + ": " +
file.errorString());
if (data.size() != file.write(data)) {
throw FileSystemException("Error writing data to " + filename + ": " + file.errorString());
}
if (!file.commit())
{
throw FileSystemException("Error while committing data to " + filename + ": " +
file.errorString());
if (!file.commit()) {
throw FileSystemException("Error while committing data to " + filename + ": " + file.errorString());
}
}
QByteArray read(const QString &filename)
QByteArray read(const QString& filename)
{
QFile file(filename);
if (!file.open(QFile::ReadOnly))
{
throw FileSystemException("Unable to open " + filename + " for reading: " +
file.errorString());
if (!file.open(QFile::ReadOnly)) {
throw FileSystemException("Unable to open " + filename + " for reading: " + file.errorString());
}
const qint64 size = file.size();
QByteArray data(int(size), 0);
const qint64 ret = file.read(data.data(), size);
if (ret == -1 || ret != size)
{
throw FileSystemException("Error reading data from " + filename + ": " +
file.errorString());
if (ret == -1 || ret != size) {
throw FileSystemException("Error reading data from " + filename + ": " + file.errorString());
}
return data;
}
@ -138,12 +126,12 @@ bool ensureFolderPathExists(QString foldernamepath)
return success;
}
bool copy::operator()(const QString &offset)
bool copy::operator()(const QString& offset)
{
//NOTE always deep copy on windows. the alternatives are too messy.
#if defined Q_OS_WIN32
// NOTE always deep copy on windows. the alternatives are too messy.
#if defined Q_OS_WIN32
m_followSymlinks = true;
#endif
#endif
auto src = PathCombine(m_src.absolutePath(), offset);
auto dst = PathCombine(m_dst.absolutePath(), offset);
@ -152,52 +140,39 @@ bool copy::operator()(const QString &offset)
if (!currentSrc.exists())
return false;
if(!m_followSymlinks && currentSrc.isSymLink())
{
if (!m_followSymlinks && currentSrc.isSymLink()) {
qDebug() << "creating symlink" << src << " - " << dst;
if (!ensureFilePathExists(dst))
{
if (!ensureFilePathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
return QFile::link(currentSrc.symLinkTarget(), dst);
}
else if(currentSrc.isFile())
{
} else if (currentSrc.isFile()) {
qDebug() << "copying file" << src << " - " << dst;
if (!ensureFilePathExists(dst))
{
if (!ensureFilePathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
return QFile::copy(src, dst);
}
else if(currentSrc.isDir())
{
} else if (currentSrc.isDir()) {
qDebug() << "recursing" << offset;
if (!ensureFolderPathExists(dst))
{
if (!ensureFolderPathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
QDir currentDir(src);
for(auto & f : currentDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System))
{
for (auto& f : currentDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System)) {
auto inner_offset = PathCombine(offset, f);
// ignore and skip stuff that matches the blacklist.
if(m_blacklist && m_blacklist->matches(inner_offset))
{
if (m_blacklist && m_blacklist->matches(inner_offset)) {
continue;
}
if(!operator()(inner_offset))
{
if (!operator()(inner_offset)) {
qWarning() << "Failed to copy" << inner_offset;
return false;
}
}
}
else
{
} else {
qCritical() << "Copy ERROR: Unknown filesystem object:" << src;
return false;
}
@ -208,55 +183,41 @@ bool deletePath(QString path)
{
bool OK = true;
QFileInfo finfo(path);
if(finfo.isFile()) {
if (finfo.isFile()) {
return QFile::remove(path);
}
QDir dir(path);
if (!dir.exists())
{
if (!dir.exists()) {
return OK;
}
auto allEntries = dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden |
QDir::AllDirs | QDir::Files,
QDir::DirsFirst);
auto allEntries = dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden | QDir::AllDirs | QDir::Files, QDir::DirsFirst);
for(auto & info: allEntries)
{
for (auto& info : allEntries) {
#if defined Q_OS_WIN32
QString nativePath = QDir::toNativeSeparators(info.absoluteFilePath());
auto wString = nativePath.toStdWString();
DWORD dwAttrs = GetFileAttributesW(wString.c_str());
// Windows: check for junctions, reparse points and other nasty things of that sort
if(dwAttrs & FILE_ATTRIBUTE_REPARSE_POINT)
{
if (info.isFile())
{
if (dwAttrs & FILE_ATTRIBUTE_REPARSE_POINT) {
if (info.isFile()) {
OK &= QFile::remove(info.absoluteFilePath());
}
else if (info.isDir())
{
} else if (info.isDir()) {
OK &= dir.rmdir(info.absoluteFilePath());
}
}
#else
// We do not trust Qt with reparse points, but do trust it with unix symlinks.
if(info.isSymLink())
{
if (info.isSymLink()) {
OK &= QFile::remove(info.absoluteFilePath());
}
#endif
else if (info.isDir())
{
else if (info.isDir()) {
OK &= deletePath(info.absoluteFilePath());
}
else if (info.isFile())
{
} else if (info.isFile()) {
OK &= QFile::remove(info.absoluteFilePath());
}
else
{
} else {
OK = false;
qCritical() << "Delete ERROR: Unknown filesystem object:" << info.absoluteFilePath();
}
@ -265,22 +226,30 @@ bool deletePath(QString path)
return OK;
}
QString PathCombine(const QString & path1, const QString & path2)
bool trash(QString path, QString *pathInTrash = nullptr)
{
if(!path1.size())
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
return false;
#else
return QFile::moveToTrash(path, pathInTrash);
#endif
}
QString PathCombine(const QString& path1, const QString& path2)
{
if (!path1.size())
return path2;
if(!path2.size())
if (!path2.size())
return path1;
return QDir::cleanPath(path1 + QDir::separator() + path2);
}
QString PathCombine(const QString & path1, const QString & path2, const QString & path3)
QString PathCombine(const QString& path1, const QString& path2, const QString& path3)
{
return PathCombine(PathCombine(path1, path2), path3);
}
QString PathCombine(const QString & path1, const QString & path2, const QString & path3, const QString & path4)
QString PathCombine(const QString& path1, const QString& path2, const QString& path3, const QString& path4)
{
return PathCombine(PathCombine(path1, path2, path3), path4);
}
@ -292,17 +261,14 @@ QString AbsolutePath(QString path)
QString ResolveExecutable(QString path)
{
if (path.isEmpty())
{
if (path.isEmpty()) {
return QString();
}
if(!path.contains('/'))
{
if (!path.contains('/')) {
path = QStandardPaths::findExecutable(path);
}
QFileInfo pathInfo(path);
if(!pathInfo.exists() || !pathInfo.isExecutable())
{
if (!pathInfo.exists() || !pathInfo.isExecutable()) {
return QString();
}
return pathInfo.absoluteFilePath();
@ -322,12 +288,9 @@ QString NormalizePath(QString path)
QDir b(path);
QString newAbsolute = b.absolutePath();
if (newAbsolute.startsWith(currentAbsolute))
{
if (newAbsolute.startsWith(currentAbsolute)) {
return a.relativeFilePath(newAbsolute);
}
else
{
} else {
return newAbsolute;
}
}
@ -336,10 +299,8 @@ QString badFilenameChars = "\"\\/?<>:;*|!+\r\n";
QString RemoveInvalidFilenameChars(QString string, QChar replaceWith)
{
for (int i = 0; i < string.length(); i++)
{
if (badFilenameChars.contains(string[i]))
{
for (int i = 0; i < string.length(); i++) {
if (badFilenameChars.contains(string[i])) {
string[i] = replaceWith;
}
}
@ -351,15 +312,12 @@ QString DirNameFromString(QString string, QString inDir)
int num = 0;
QString baseName = RemoveInvalidFilenameChars(string, '-');
QString dirName;
do
{
if(num == 0)
{
do {
if (num == 0) {
dirName = baseName;
}
else
{
dirName = baseName + QString::number(num);;
} else {
dirName = baseName + QString::number(num);
;
}
// If it's over 9000
@ -383,36 +341,31 @@ bool checkProblemticPathJava(QDir folder)
bool called_coinit = false;
HRESULT CreateLink(LPCSTR linkPath, LPCSTR targetPath, LPCSTR args)
HRESULT CreateLink(LPCCH linkPath, LPCWSTR targetPath, LPCWSTR args)
{
HRESULT hres;
if (!called_coinit)
{
if (!called_coinit) {
hres = CoInitialize(NULL);
called_coinit = true;
if (!SUCCEEDED(hres))
{
if (!SUCCEEDED(hres)) {
qWarning("Failed to initialize COM. Error 0x%08lX", hres);
return hres;
}
}
IShellLinkA *link;
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink,
(LPVOID *)&link);
IShellLink* link;
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID*)&link);
if (SUCCEEDED(hres))
{
IPersistFile *persistFile;
if (SUCCEEDED(hres)) {
IPersistFile* persistFile;
link->SetPath(targetPath);
link->SetArguments(args);
hres = link->QueryInterface(IID_IPersistFile, (LPVOID *)&persistFile);
if (SUCCEEDED(hres))
{
hres = link->QueryInterface(IID_IPersistFile, (LPVOID*)&persistFile);
if (SUCCEEDED(hres)) {
WCHAR wstr[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, linkPath, -1, wstr, MAX_PATH);
@ -433,8 +386,7 @@ QString getDesktopDir()
}
// Cross-platform Shortcut creation
bool createShortCut(QString location, QString dest, QStringList args, QString name,
QString icon)
bool createShortCut(QString location, QString dest, QStringList args, QString name, QString icon)
{
#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
location = PathCombine(location, name + ".desktop");
@ -459,8 +411,7 @@ bool createShortCut(QString location, QString dest, QStringList args, QString na
stream.flush();
f.close();
f.setPermissions(f.permissions() | QFileDevice::ExeOwner | QFileDevice::ExeGroup |
QFileDevice::ExeOther);
f.setPermissions(f.permissions() | QFileDevice::ExeOwner | QFileDevice::ExeGroup | QFileDevice::ExeOther);
return true;
#elif defined Q_OS_WIN

51
launcher/FileSystem.h
View File

@ -41,29 +41,27 @@
#include <QDir>
#include <QFlags>
namespace FS
{
namespace FS {
class FileSystemException : public ::Exception
{
public:
FileSystemException(const QString &message) : Exception(message) {}
class FileSystemException : public ::Exception {
public:
FileSystemException(const QString& message) : Exception(message) {}
};
/**
* write data to a file safely
*/
void write(const QString &filename, const QByteArray &data);
void write(const QString& filename, const QByteArray& data);
/**
* read data from a file safely\
*/
QByteArray read(const QString &filename);
QByteArray read(const QString& filename);
/**
* Update the last changed timestamp of an existing file
*/
bool updateTimestamp(const QString & filename);
bool updateTimestamp(const QString& filename);
/**
* Creates all the folders in a path for the specified path
@ -77,35 +75,31 @@ bool ensureFilePathExists(QString filenamepath);
*/
bool ensureFolderPathExists(QString filenamepath);
class copy
{
public:
copy(const QString & src, const QString & dst)
class copy {
public:
copy(const QString& src, const QString& dst)
{
m_src.setPath(src);
m_dst.setPath(dst);
}
copy & followSymlinks(const bool follow)
copy& followSymlinks(const bool follow)
{
m_followSymlinks = follow;
return *this;
}
copy & blacklist(const IPathMatcher * filter)
copy& blacklist(const IPathMatcher* filter)
{
m_blacklist = filter;
return *this;
}
bool operator()()
{
return operator()(QString());
}
bool operator()() { return operator()(QString()); }
private:
bool operator()(const QString &offset);
private:
bool operator()(const QString& offset);
private:
private:
bool m_followSymlinks = true;
const IPathMatcher * m_blacklist = nullptr;
const IPathMatcher* m_blacklist = nullptr;
QDir m_src;
QDir m_dst;
};
@ -115,9 +109,14 @@ private:
*/
bool deletePath(QString path);
QString PathCombine(const QString &path1, const QString &path2);
QString PathCombine(const QString &path1, const QString &path2, const QString &path3);
QString PathCombine(const QString &path1, const QString &path2, const QString &path3, const QString &path4);
/**
* Trash a folder / file
*/
bool trash(QString path, QString *pathInTrash);
QString PathCombine(const QString& path1, const QString& path2);
QString PathCombine(const QString& path1, const QString& path2, const QString& path3);
QString PathCombine(const QString& path1, const QString& path2, const QString& path3, const QString& path4);
QString AbsolutePath(QString path);

430
launcher/InstanceList.cpp
View File

@ -33,30 +33,32 @@
* limitations under the License.
*/
#include <QDebug>
#include <QDir>
#include <QDirIterator>
#include <QSet>
#include <QFile>
#include <QThread>
#include <QTextStream>
#include <QXmlStreamReader>
#include <QTimer>
#include <QDebug>
#include <QFileSystemWatcher>
#include <QUuid>
#include <QJsonArray>
#include <QJsonDocument>
#include <QMimeData>
#include <QSet>
#include <QStack>
#include <QPair>
#include <QTextStream>
#include <QThread>
#include <QTimer>
#include <QUuid>
#include <QXmlStreamReader>
#include "InstanceList.h"
#include "BaseInstance.h"
#include "InstanceTask.h"
#include "settings/INISettingsObject.h"
#include "NullInstance.h"
#include "minecraft/MinecraftInstance.h"
#include "FileSystem.h"
#include "ExponentialSeries.h"
#include "FileSystem.h"
#include "InstanceList.h"
#include "InstanceTask.h"
#include "NullInstance.h"
#include "WatchLock.h"
#include "minecraft/MinecraftInstance.h"
#include "settings/INISettingsObject.h"
#ifdef Q_OS_WIN32
#include <Windows.h>
@ -64,13 +66,12 @@
const static int GROUP_FILE_FORMAT_VERSION = 1;
InstanceList::InstanceList(SettingsObjectPtr settings, const QString & instDir, QObject *parent)
InstanceList::InstanceList(SettingsObjectPtr settings, const QString& instDir, QObject* parent)
: QAbstractListModel(parent), m_globalSettings(settings)
{
resumeWatch();
// Create aand normalize path
if (!QDir::current().exists(instDir))
{
if (!QDir::current().exists(instDir)) {
QDir::current().mkpath(instDir);
}
@ -83,9 +84,7 @@ InstanceList::InstanceList(SettingsObjectPtr settings, const QString & instDir,
m_watcher->addPath(m_instDir);
}
InstanceList::~InstanceList()
{
}
InstanceList::~InstanceList() {}
Qt::DropActions InstanceList::supportedDragActions() const
{
@ -99,7 +98,7 @@ Qt::DropActions InstanceList::supportedDropActions() const
bool InstanceList::canDropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent) const
{
if(data && data->hasFormat("application/x-instanceid")) {
if (data && data->hasFormat("application/x-instanceid")) {
return true;
}
return false;
@ -107,7 +106,7 @@ bool InstanceList::canDropMimeData(const QMimeData* data, Qt::DropAction action,
bool InstanceList::dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent)
{
if(data && data->hasFormat("application/x-instanceid")) {
if (data && data->hasFormat("application/x-instanceid")) {
return true;
}
return false;
@ -120,35 +119,33 @@ QStringList InstanceList::mimeTypes() const
return types;
}
QMimeData * InstanceList::mimeData(const QModelIndexList& indexes) const
QMimeData* InstanceList::mimeData(const QModelIndexList& indexes) const
{
auto mimeData = QAbstractListModel::mimeData(indexes);
if(indexes.size() == 1) {
if (indexes.size() == 1) {
auto instanceId = data(indexes[0], InstanceIDRole).toString();
mimeData->setData("application/x-instanceid", instanceId.toUtf8());
}
return mimeData;
}
int InstanceList::rowCount(const QModelIndex &parent) const
int InstanceList::rowCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
return m_instances.count();
}
QModelIndex InstanceList::index(int row, int column, const QModelIndex &parent) const
QModelIndex InstanceList::index(int row, int column, const QModelIndex& parent) const
{
Q_UNUSED(parent);
if (row < 0 || row >= m_instances.size())
return QModelIndex();
return createIndex(row, column, (void *)m_instances.at(row).get());
return createIndex(row, column, (void*)m_instances.at(row).get());
}
QVariant InstanceList::data(const QModelIndex &index, int role) const
QVariant InstanceList::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
{
if (!index.isValid()) {
return QVariant();
}
BaseInstance *pdata = static_cast<BaseInstance *>(index.internalPointer());
@ -193,29 +190,25 @@ QVariant InstanceList::data(const QModelIndex &index, int role) const
bool InstanceList::setData(const QModelIndex& index, const QVariant& value, int role)
{
if (!index.isValid())
{
if (!index.isValid()) {
return false;
}
if(role != Qt::EditRole)
{
if (role != Qt::EditRole) {
return false;
}
BaseInstance *pdata = static_cast<BaseInstance *>(index.internalPointer());
BaseInstance* pdata = static_cast<BaseInstance*>(index.internalPointer());
auto newName = value.toString();
if(pdata->name() == newName)
{
if (pdata->name() == newName) {
return true;
}
pdata->setName(newName);
return true;
}
Qt::ItemFlags InstanceList::flags(const QModelIndex &index) const
Qt::ItemFlags InstanceList::flags(const QModelIndex& index) const
{
Qt::ItemFlags f;
if (index.isValid())
{
if (index.isValid()) {
f |= (Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable);
}
return f;
@ -224,13 +217,11 @@ Qt::ItemFlags InstanceList::flags(const QModelIndex &index) const
GroupId InstanceList::getInstanceGroup(const InstanceId& id) const
{
auto inst = getInstanceById(id);
if(!inst)
{
if (!inst) {
return GroupId();
}
auto iter = m_instanceGroupIndex.find(inst->id());
if(iter != m_instanceGroupIndex.end())
{
if (iter != m_instanceGroupIndex.end()) {
return *iter;
}
return GroupId();
@ -239,33 +230,27 @@ GroupId InstanceList::getInstanceGroup(const InstanceId& id) const
void InstanceList::setInstanceGroup(const InstanceId& id, const GroupId& name)
{
auto inst = getInstanceById(id);
if(!inst)
{
if (!inst) {
qDebug() << "Attempt to set a null instance's group";
return;
}
bool changed = false;
auto iter = m_instanceGroupIndex.find(inst->id());
if(iter != m_instanceGroupIndex.end())
{
if(*iter != name)
{
if (iter != m_instanceGroupIndex.end()) {
if (*iter != name) {
*iter = name;
changed = true;
}
}
else
{
} else {
changed = true;
m_instanceGroupIndex[id] = name;
}
if(changed)
{
if (changed) {
m_groupNameCache.insert(name);
auto idx = getInstIndex(inst.get());
emit dataChanged(index(idx), index(idx), {GroupRole});
emit dataChanged(index(idx), index(idx), { GroupRole });
saveGroupList();
}
}
@ -279,24 +264,20 @@ void InstanceList::deleteGroup(const QString& name)
{
bool removed = false;
qDebug() << "Delete group" << name;
for(auto & instance: m_instances)
{
const auto & instID = instance->id();
for (auto& instance : m_instances) {
const auto& instID = instance->id();
auto instGroupName = getInstanceGroup(instID);
if(instGroupName == name)
{
if (instGroupName == name) {
m_instanceGroupIndex.remove(instID);
qDebug() << "Remove" << instID << "from group" << name;
removed = true;
auto idx = getInstIndex(instance.get());
if(idx > 0)
{
emit dataChanged(index(idx), index(idx), {GroupRole});
if (idx > 0) {
emit dataChanged(index(idx), index(idx), { GroupRole });
}
}
}
if(removed)
{
if (removed) {
saveGroupList();
}
}
@ -306,23 +287,75 @@ bool InstanceList::isGroupCollapsed(const QString& group)
return m_collapsedGroups.contains(group);
}
bool InstanceList::trashInstance(const InstanceId& id)
{
auto inst = getInstanceById(id);
if (!inst) {
qDebug() << "Cannot trash instance" << id << ". No such instance is present (deleted externally?).";
return false;
}
auto cachedGroupId = m_instanceGroupIndex[id];
qDebug() << "Will trash instance" << id;
QString trashedLoc;
if (m_instanceGroupIndex.remove(id)) {
saveGroupList();
}
if (!FS::trash(inst->instanceRoot(), &trashedLoc)) {
qDebug() << "Trash of instance" << id << "has not been completely successfully...";
return false;
}
qDebug() << "Instance" << id << "has been trashed by the launcher.";
m_trashHistory.push({id, inst->instanceRoot(), trashedLoc, cachedGroupId});
return true;
}
bool InstanceList::trashedSomething() {
return !m_trashHistory.empty();
}
void InstanceList::undoTrashInstance() {
if (m_trashHistory.empty()) {
qWarning() << "Nothing to recover from trash.";
return;
}
auto top = m_trashHistory.pop();
while (QDir(top.polyPath).exists()) {
top.id += "1";
top.polyPath += "1";
}
qDebug() << "Moving" << top.trashPath << "back to" << top.polyPath;
QFile(top.trashPath).rename(top.polyPath);
m_instanceGroupIndex[top.id] = top.groupName;
m_groupNameCache.insert(top.groupName);
saveGroupList();
emit instancesChanged();
}
void InstanceList::deleteInstance(const InstanceId& id)
{
auto inst = getInstanceById(id);
if(!inst)
{
if (!inst) {
qDebug() << "Cannot delete instance" << id << ". No such instance is present (deleted externally?).";
return;
}
if(m_instanceGroupIndex.remove(id))
{
if (m_instanceGroupIndex.remove(id)) {
saveGroupList();
}
qDebug() << "Will delete instance" << id;
if(!FS::deletePath(inst->instanceRoot()))
{
if (!FS::deletePath(inst->instanceRoot())) {
qWarning() << "Deletion of instance" << id << "has not been completely successful ...";
return;
}
@ -330,15 +363,13 @@ void InstanceList::deleteInstance(const InstanceId& id)
qDebug() << "Instance" << id << "has been deleted by the launcher.";
}
static QMap<InstanceId, InstanceLocator> getIdMapping(const QList<InstancePtr> &list)
static QMap<InstanceId, InstanceLocator> getIdMapping(const QList<InstancePtr>& list)
{
QMap<InstanceId, InstanceLocator> out;
int i = 0;
for(auto & item: list)
{
for (auto& item : list) {
auto id = item->id();
if(out.contains(id))
{
if (out.contains(id)) {
qWarning() << "Duplicate ID" << id << "in instance list";
}
out[id] = std::make_pair(item, i);
@ -347,24 +378,21 @@ static QMap<InstanceId, InstanceLocator> getIdMapping(const QList<InstancePtr> &
return out;
}
QList< InstanceId > InstanceList::discoverInstances()
QList<InstanceId> InstanceList::discoverInstances()
{
qDebug() << "Discovering instances in" << m_instDir;
QList<InstanceId> out;
QDirIterator iter(m_instDir, QDir::Dirs | QDir::NoDot | QDir::NoDotDot | QDir::Readable | QDir::Hidden, QDirIterator::FollowSymlinks);
while (iter.hasNext())
{
while (iter.hasNext()) {
QString subDir = iter.next();
QFileInfo dirInfo(subDir);
if (!QFileInfo(FS::PathCombine(subDir, "instance.cfg")).exists())
continue;
// if it is a symlink, ignore it if it goes to the instance folder
if(dirInfo.isSymLink())
{
if (dirInfo.isSymLink()) {
QFileInfo targetInfo(dirInfo.symLinkTarget());
QFileInfo instDirInfo(m_instDir);
if(targetInfo.canonicalPath() == instDirInfo.canonicalFilePath())
{
if (targetInfo.canonicalPath() == instDirInfo.canonicalFilePath()) {
qDebug() << "Ignoring symlink" << subDir << "that leads into the instances folder";
continue;
}
@ -388,74 +416,56 @@ InstanceList::InstListError InstanceList::loadList()
QList<InstancePtr> newList;
for(auto & id: discoverInstances())
{
if(existingIds.contains(id))
{
for (auto& id : discoverInstances()) {
if (existingIds.contains(id)) {
auto instPair = existingIds[id];
existingIds.remove(id);
qDebug() << "Should keep and soft-reload" << id;
}
else
{
} else {
InstancePtr instPtr = loadInstance(id);
if(instPtr)
{
if (instPtr) {
newList.append(instPtr);
}
}
}
// TODO: looks like a general algorithm with a few specifics inserted. Do something about it.
if(!existingIds.isEmpty())
{
if (!existingIds.isEmpty()) {
// get the list of removed instances and sort it by their original index, from last to first
auto deadList = existingIds.values();
auto orderSortPredicate = [](const InstanceLocator & a, const InstanceLocator & b) -> bool
{
return a.second > b.second;
};
auto orderSortPredicate = [](const InstanceLocator& a, const InstanceLocator& b) -> bool { return a.second > b.second; };
std::sort(deadList.begin(), deadList.end(), orderSortPredicate);
// remove the contiguous ranges of rows
int front_bookmark = -1;
int back_bookmark = -1;
int currentItem = -1;
auto removeNow = [&]()
{
auto removeNow = [&]() {
beginRemoveRows(QModelIndex(), front_bookmark, back_bookmark);
m_instances.erase(m_instances.begin() + front_bookmark, m_instances.begin() + back_bookmark + 1);
endRemoveRows();
front_bookmark = -1;
back_bookmark = currentItem;
};
for(auto & removedItem: deadList)
{
for (auto& removedItem : deadList) {
auto instPtr = removedItem.first;
instPtr->invalidate();
currentItem = removedItem.second;
if(back_bookmark == -1)
{
if (back_bookmark == -1) {
// no bookmark yet
back_bookmark = currentItem;
}
else if(currentItem == front_bookmark - 1)
{
} else if (currentItem == front_bookmark - 1) {
// part of contiguous sequence, continue
}
else
{
} else {
// seam between previous and current item
removeNow();
}
front_bookmark = currentItem;
}
if(back_bookmark != -1)
{
if (back_bookmark != -1) {
removeNow();
}
}
if(newList.size())
{
if (newList.size()) {
add(newList);
}
m_dirty = false;
@ -466,26 +476,23 @@ InstanceList::InstListError InstanceList::loadList()
void InstanceList::updateTotalPlayTime()
{
totalPlayTime = 0;
for(auto const& itr : m_instances)
{
for (auto const& itr : m_instances) {
totalPlayTime += itr.get()->totalTimePlayed();
}
}
void InstanceList::saveNow()
{
for(auto & item: m_instances)
{
for (auto& item : m_instances) {
item->saveNow();
}
}
void InstanceList::add(const QList<InstancePtr> &t)
void InstanceList::add(const QList<InstancePtr>& t)
{
beginInsertRows(QModelIndex(), m_instances.count(), m_instances.count() + t.size() - 1);
m_instances.append(t);
for(auto & ptr : t)
{
for (auto& ptr : t) {
connect(ptr.get(), &BaseInstance::propertiesChanged, this, &InstanceList::propertiesChanged);
}
endInsertRows();
@ -493,69 +500,61 @@ void InstanceList::add(const QList<InstancePtr> &t)
void InstanceList::resumeWatch()
{
if(m_watchLevel > 0)
{
if (m_watchLevel > 0) {
qWarning() << "Bad suspend level resume in instance list";
return;
}
m_watchLevel++;
if(m_watchLevel > 0 && m_dirty)
{
if (m_watchLevel > 0 && m_dirty) {
loadList();
}
}
void InstanceList::suspendWatch()
{
m_watchLevel --;
m_watchLevel--;
}
void InstanceList::providerUpdated()
{
m_dirty = true;
if(m_watchLevel == 1)
{
if (m_watchLevel == 1) {
loadList();
}
}
InstancePtr InstanceList::getInstanceById(QString instId) const
{
if(instId.isEmpty())
if (instId.isEmpty())
return InstancePtr();
for(auto & inst: m_instances)
{
if (inst->id() == instId)
{
for (auto& inst : m_instances) {
if (inst->id() == instId) {
return inst;
}
}
return InstancePtr();
}
QModelIndex InstanceList::getInstanceIndexById(const QString &id) const
QModelIndex InstanceList::getInstanceIndexById(const QString& id) const
{
return index(getInstIndex(getInstanceById(id).get()));
}
int InstanceList::getInstIndex(BaseInstance *inst) const
int InstanceList::getInstIndex(BaseInstance* inst) const
{
int count = m_instances.count();
for (int i = 0; i < count; i++)
{
if (inst == m_instances[i].get())
{
for (int i = 0; i < count; i++) {
if (inst == m_instances[i].get()) {
return i;
}
}
return -1;
}
void InstanceList::propertiesChanged(BaseInstance *inst)
void InstanceList::propertiesChanged(BaseInstance* inst)
{
int i = getInstIndex(inst);
if (i != -1)
{
if (i != -1) {
emit dataChanged(index(i), index(i));
updateTotalPlayTime();
}
@ -563,8 +562,7 @@ void InstanceList::propertiesChanged(BaseInstance *inst)
InstancePtr InstanceList::loadInstance(const InstanceId& id)
{
if(!m_groupsLoaded)
{
if (!m_groupsLoaded) {
loadGroupList();
}
@ -592,50 +590,42 @@ InstancePtr InstanceList::loadInstance(const InstanceId& id)
void InstanceList::saveGroupList()
{
qDebug() << "Will save group list now.";
if(!m_instancesProbed)
{
if (!m_instancesProbed) {
qDebug() << "Group saving prevented because we don't know the full list of instances yet.";
return;
}
WatchLock foo(m_watcher, m_instDir);
QString groupFileName = m_instDir + "/instgroups.json";
QMap<QString, QSet<QString>> reverseGroupMap;
for (auto iter = m_instanceGroupIndex.begin(); iter != m_instanceGroupIndex.end(); iter++)
{
for (auto iter = m_instanceGroupIndex.begin(); iter != m_instanceGroupIndex.end(); iter++) {
QString id = iter.key();
QString group = iter.value();
if (group.isEmpty())
continue;
if(!instanceSet.contains(id))
{
if (!instanceSet.contains(id)) {
qDebug() << "Skipping saving missing instance" << id << "to groups list.";
continue;
}
if (!reverseGroupMap.count(group))
{
if (!reverseGroupMap.count(group)) {
QSet<QString> set;
set.insert(id);
reverseGroupMap[group] = set;
}
else
{
QSet<QString> &set = reverseGroupMap[group];
} else {
QSet<QString>& set = reverseGroupMap[group];
set.insert(id);
}
}
QJsonObject toplevel;
toplevel.insert("formatVersion", QJsonValue(QString("1")));
QJsonObject groupsArr;
for (auto iter = reverseGroupMap.begin(); iter != reverseGroupMap.end(); iter++)
{
for (auto iter = reverseGroupMap.begin(); iter != reverseGroupMap.end(); iter++) {
auto list = iter.value();
auto name = iter.key();
QJsonObject groupObj;
QJsonArray instanceArr;
groupObj.insert("hidden", QJsonValue(m_collapsedGroups.contains(name)));
for (auto item : list)
{
for (auto item : list) {
instanceArr.append(QJsonValue(item));
}
groupObj.insert("instances", instanceArr);
@ -643,13 +633,10 @@ void InstanceList::saveGroupList()
}
toplevel.insert("groups", groupsArr);
QJsonDocument doc(toplevel);
try
{
try {
FS::write(groupFileName, doc.toJson());
qDebug() << "Group list saved.";
}
catch (const FS::FileSystemException &e)
{
} catch (const FS::FileSystemException& e) {
qCritical() << "Failed to write instance group file :" << e.cause();
}
}
@ -665,12 +652,9 @@ void InstanceList::loadGroupList()
return;
QByteArray jsonData;
try
{
try {
jsonData = FS::read(groupFileName);
}
catch (const FS::FileSystemException &e)
{
} catch (const FS::FileSystemException& e) {
qCritical() << "Failed to read instance group file :" << e.cause();
return;
}
@ -679,17 +663,15 @@ void InstanceList::loadGroupList()
QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &error);
// if the json was bad, fail
if (error.error != QJsonParseError::NoError)
{
if (error.error != QJsonParseError::NoError) {
qCritical() << QString("Failed to parse instance group file: %1 at offset %2")
.arg(error.errorString(), QString::number(error.offset))
.toUtf8();
.arg(error.errorString(), QString::number(error.offset))
.toUtf8();
return;
}
// if the root of the json wasn't an object, fail
if (!jsonDoc.isObject())
{
if (!jsonDoc.isObject()) {
qWarning() << "Invalid group file. Root entry should be an object.";
return;
}
@ -701,8 +683,7 @@ void InstanceList::loadGroupList()
return;
// Get the groups. if it's not an object, fail
if (!rootObj.value("groups").isObject())
{
if (!rootObj.value("groups").isObject()) {
qWarning() << "Invalid group list JSON: 'groups' should be an object.";
return;
}
@ -712,21 +693,20 @@ void InstanceList::loadGroupList()
// Iterate through all the groups.
QJsonObject groupMapping = rootObj.value("groups").toObject();
for (QJsonObject::iterator iter = groupMapping.begin(); iter != groupMapping.end(); iter++)
{
for (QJsonObject::iterator iter = groupMapping.begin(); iter != groupMapping.end(); iter++) {
QString groupName = iter.key();
// If not an object, complain and skip to the next one.
if (!iter.value().isObject())
{
if (!iter.value().isObject()) {
qWarning() << QString("Group '%1' in the group list should be an object.").arg(groupName).toUtf8();
continue;
}
QJsonObject groupObj = iter.value().toObject();
if (!groupObj.value("instances").isArray())
{
qWarning() << QString("Group '%1' in the group list is invalid. It should contain an array called 'instances'.").arg(groupName).toUtf8();
if (!groupObj.value("instances").isArray()) {
qWarning() << QString("Group '%1' in the group list is invalid. It should contain an array called 'instances'.")
.arg(groupName)
.toUtf8();
continue;
}
@ -734,15 +714,14 @@ void InstanceList::loadGroupList()
groupSet.insert(groupName);
auto hidden = groupObj.value("hidden").toBool(false);
if(hidden) {
if (hidden) {
m_collapsedGroups.insert(groupName);
}
// Iterate through the list of instances in the group.
QJsonArray instancesArray = groupObj.value("instances").toArray();
for (QJsonArray::iterator iter2 = instancesArray.begin(); iter2 != instancesArray.end(); iter2++)
{
for (QJsonArray::iterator iter2 = instancesArray.begin(); iter2 != instancesArray.end(); iter2++) {
m_instanceGroupIndex[(*iter2).toString()] = groupName;
}
}
@ -757,13 +736,11 @@ void InstanceList::instanceDirContentsChanged(const QString& path)
emit instancesChanged();
}
void InstanceList::on_InstFolderChanged(const Setting &setting, QVariant value)
void InstanceList::on_InstFolderChanged(const Setting& setting, QVariant value)
{
QString newInstDir = QDir(value.toString()).canonicalPath();
if(newInstDir != m_instDir)
{
if(m_groupsLoaded)
{
if (newInstDir != m_instDir) {
if (m_groupsLoaded) {
saveGroupList();
}
m_instDir = newInstDir;
@ -775,7 +752,7 @@ void InstanceList::on_InstFolderChanged(const Setting &setting, QVariant value)
void InstanceList::on_GroupStateChanged(const QString& group, bool collapsed)
{
qDebug() << "Group" << group << (collapsed ? "collapsed" : "expanded");
if(collapsed) {
if (collapsed) {
m_collapsedGroups.insert(group);
} else {
m_collapsedGroups.remove(group);
@ -783,19 +760,14 @@ void InstanceList::on_GroupStateChanged(const QString& group, bool collapsed)
saveGroupList();
}
class InstanceStaging : public Task
{
Q_OBJECT
class InstanceStaging : public Task {
Q_OBJECT
const unsigned minBackoff = 1;
const unsigned maxBackoff = 16;
public:
InstanceStaging (
InstanceList * parent,
Task * child,
const QString & stagingPath,
const QString& instanceName,
const QString& groupName )
: backoff(minBackoff, maxBackoff)
public:
InstanceStaging(InstanceList* parent, Task* child, const QString& stagingPath, const QString& instanceName, const QString& groupName)
: backoff(minBackoff, maxBackoff)
{
m_parent = parent;
m_child.reset(child);
@ -810,62 +782,51 @@ public:
connect(&m_backoffTimer, &QTimer::timeout, this, &InstanceStaging::childSucceded);
}
virtual ~InstanceStaging() {};
virtual ~InstanceStaging(){};
// FIXME/TODO: add ability to abort during instance commit retries
bool abort() override
{
if(m_child && m_child->canAbort())
{
if (m_child && m_child->canAbort()) {
return m_child->abort();
}
return false;
}
bool canAbort() const override
{
if(m_child && m_child->canAbort())
{
if (m_child && m_child->canAbort()) {
return true;
}
return false;
}
protected:
virtual void executeTask() override
{
m_child->start();
}
QStringList warnings() const override
{
return m_child->warnings();
}
protected:
virtual void executeTask() override { m_child->start(); }
QStringList warnings() const override { return m_child->warnings(); }
private slots:
private slots:
void childSucceded()
{
unsigned sleepTime = backoff();
if(m_parent->commitStagedInstance(m_stagingPath, m_instanceName, m_groupName))
{
if (m_parent->commitStagedInstance(m_stagingPath, m_instanceName, m_groupName)) {
emitSucceeded();
return;
}
// we actually failed, retry?
if(sleepTime == maxBackoff)
{
if (sleepTime == maxBackoff) {
emitFailed(tr("Failed to commit instance, even after multiple retries. It is being blocked by something."));
return;
}
qDebug() << "Failed to commit instance" << m_instanceName << "Initiating backoff:" << sleepTime;
m_backoffTimer.start(sleepTime * 500);
}
void childFailed(const QString & reason)
void childFailed(const QString& reason)
{
m_parent->destroyStagingPath(m_stagingPath);
emitFailed(reason);
}
private:
private:
/*
* WHY: the whole reason why this uses an exponential backoff retry scheme is antivirus on Windows.
* Basically, it starts messing things up while the launcher is extracting/creating instances
@ -873,14 +834,14 @@ private:
*/
ExponentialSeries backoff;
QString m_stagingPath;
InstanceList * m_parent;
InstanceList* m_parent;
unique_qobject_ptr<Task> m_child;
QString m_instanceName;
QString m_groupName;
QTimer m_backoffTimer;
};
Task * InstanceList::wrapInstanceTask(InstanceTask * task)
Task* InstanceList::wrapInstanceTask(InstanceTask* task)
{
auto stagingPath = getStagedInstancePath();
task->setStagingPath(stagingPath);
@ -895,8 +856,7 @@ QString InstanceList::getStagedInstancePath()
QString relPath = FS::PathCombine(tempDir, key);
QDir rootPath(m_instDir);
auto path = FS::PathCombine(m_instDir, relPath);
if(!rootPath.mkpath(relPath))
{
if (!rootPath.mkpath(relPath)) {
return QString();
}
#ifdef Q_OS_WIN32
@ -913,8 +873,7 @@ bool InstanceList::commitStagedInstance(const QString& path, const QString& inst
{
WatchLock lock(m_watcher, m_instDir);
QString destination = FS::PathCombine(m_instDir, instID);
if(!dir.rename(path, destination))
{
if (!dir.rename(path, destination)) {
qWarning() << "Failed to move" << path << "to" << destination;
return false;
}
@ -933,7 +892,8 @@ bool InstanceList::destroyStagingPath(const QString& keyPath)
return FS::deletePath(keyPath);
}
int InstanceList::getTotalPlayTime() {
int InstanceList::getTotalPlayTime()
{
updateTotalPlayTime();
return totalPlayTime;
}

13
launcher/InstanceList.h
View File

@ -19,6 +19,8 @@
#include <QAbstractListModel>
#include <QSet>
#include <QList>
#include <QStack>
#include <QPair>
#include "BaseInstance.h"
@ -46,6 +48,12 @@ enum class GroupsState
Dirty
};
struct TrashHistoryItem {
QString id;
QString polyPath;
QString trashPath;
QString groupName;
};
class InstanceList : public QAbstractListModel
{
@ -102,6 +110,9 @@ public:
void setInstanceGroup(const InstanceId & id, const GroupId& name);
void deleteGroup(const GroupId & name);
bool trashInstance(const InstanceId &id);
bool trashedSomething();
void undoTrashInstance();
void deleteInstance(const InstanceId & id);
// Wrap an instance creation task in some more task machinery and make it ready to be used
@ -180,4 +191,6 @@ private:
QSet<InstanceId> instanceSet;
bool m_groupsLoaded = false;
bool m_instancesProbed = false;
QStack<TrashHistoryItem> m_trashHistory;
};

32
launcher/ui/MainWindow.cpp
View File

@ -252,6 +252,9 @@ public:
TranslatedAction actionViewInstanceFolder;
TranslatedAction actionViewCentralModsFolder;
QMenu * editMenu = nullptr;
TranslatedAction actionUndoTrashInstance;
QMenu * helpMenu = nullptr;
TranslatedToolButton helpMenuButton;
TranslatedAction actionReportBug;
@ -335,6 +338,14 @@ public:
actionSettings->setShortcut(QKeySequence::Preferences);
all_actions.append(&actionSettings);
actionUndoTrashInstance = TranslatedAction(MainWindow);
connect(actionUndoTrashInstance, SIGNAL(triggered(bool)), MainWindow, SLOT(undoTrashInstance()));
actionUndoTrashInstance->setObjectName(QStringLiteral("actionUndoTrashInstance"));
actionUndoTrashInstance.setTextId(QT_TRANSLATE_NOOP("MainWindow", "&Undo Last Instance Deletion"));
actionUndoTrashInstance->setEnabled(APPLICATION->instances()->trashedSomething());
actionUndoTrashInstance->setShortcut(QKeySequence("Ctrl+Z"));
all_actions.append(&actionUndoTrashInstance);
if (!BuildConfig.BUG_TRACKER_URL.isEmpty()) {
actionReportBug = TranslatedAction(MainWindow);
actionReportBug->setObjectName(QStringLiteral("actionReportBug"));
@ -508,6 +519,9 @@ public:
fileMenu->addSeparator();
fileMenu->addAction(actionSettings);
editMenu = menuBar->addMenu(tr("&Edit"));
editMenu->addAction(actionUndoTrashInstance);
viewMenu = menuBar->addMenu(tr("&View"));
viewMenu->setSeparatorsCollapsible(false);
viewMenu->addAction(actionCAT);
@ -732,9 +746,10 @@ public:
actionDeleteInstance = TranslatedAction(MainWindow);
actionDeleteInstance->setObjectName(QStringLiteral("actionDeleteInstance"));
actionDeleteInstance.setTextId(QT_TRANSLATE_NOOP("MainWindow", "Dele&te Instance..."));
actionDeleteInstance.setTextId(QT_TRANSLATE_NOOP("MainWindow", "Dele&te Instance"));
actionDeleteInstance.setTooltipId(QT_TRANSLATE_NOOP("MainWindow", "Delete the selected instance."));
actionDeleteInstance->setShortcuts({QKeySequence(tr("Backspace")), QKeySequence::Delete});
actionDeleteInstance->setAutoRepeat(false);
all_actions.append(&actionDeleteInstance);
actionCopyInstance = TranslatedAction(MainWindow);
@ -1150,6 +1165,11 @@ void MainWindow::showInstanceContextMenu(const QPoint &pos)
connect(actionDeleteGroup, SIGNAL(triggered(bool)), SLOT(deleteGroup()));
actions.append(actionDeleteGroup);
}
QAction *actionUndoTrashInstance = new QAction("Undo last trash instance", this);
connect(actionUndoTrashInstance, SIGNAL(triggered(bool)), SLOT(undoTrashInstance()));
actionUndoTrashInstance->setEnabled(APPLICATION->instances()->trashedSomething());
actions.append(actionUndoTrashInstance);
}
QMenu myMenu;
myMenu.addActions(actions);
@ -1832,6 +1852,11 @@ void MainWindow::deleteGroup()
}
}
void MainWindow::undoTrashInstance()
{
APPLICATION->instances()->undoTrashInstance();
}
void MainWindow::on_actionViewInstanceFolder_triggered()
{
QString str = APPLICATION->settings()->get("InstanceDir").toString();
@ -1957,7 +1982,12 @@ void MainWindow::on_actionDeleteInstance_triggered()
{
return;
}
auto id = m_selectedInstance->id();
if (APPLICATION->instances()->trashInstance(id)) {
return;
}
auto response = CustomMessageBox::selectable(
this,
tr("CAREFUL!"),

1
launcher/ui/MainWindow.h
View File

@ -145,6 +145,7 @@ private slots:
void on_actionDeleteInstance_triggered();
void deleteGroup();
void undoTrashInstance();
void on_actionExportInstance_triggered();