git mv Code\Sandbox\Editor Code/Editor

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
2021-06-29 12:41:59 -07:00
parent 9f0bbf3b74
commit e34e36cb35
1415 changed files with 0 additions and 0 deletions
@@ -0,0 +1,214 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project
+ * 
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+
+#include "EditorDefs.h"
+
+#include "FileChangeMonitor.h"
+
+// Qt
+#include <QDateTime>
+#include <QTimer>
+
+
+CFileChangeMonitor* CFileChangeMonitor::s_pFileMonitorInstance = NULL;
+
+//////////////////////////////////////////////////////////////////////////
+CFileChangeMonitor::CFileChangeMonitor(QObject* parent)
+    : QObject(parent)
+{
+    ed_logFileChanges = 0;
+}
+
+//////////////////////////////////////////////////////////////////////////
+CFileChangeMonitor::~CFileChangeMonitor()
+{
+    for (TListeners::iterator it = m_listeners.begin(); it != m_listeners.end(); ++it)
+    {
+        CFileChangeMonitorListener* pListener = *it;
+
+        if (pListener)
+        {
+            pListener->SetMonitor(NULL);
+        }
+    }
+
+    // Send to thread a kill event.
+    StopMonitor();
+}
+
+CFileChangeMonitor* CFileChangeMonitor::Instance()
+{
+    if (!s_pFileMonitorInstance)
+    {
+        s_pFileMonitorInstance = new CFileChangeMonitor();
+        s_pFileMonitorInstance->Initialize();
+    }
+
+    return s_pFileMonitorInstance;
+}
+
+void CFileChangeMonitor::DeleteInstance()
+{
+    SAFE_DELETE(s_pFileMonitorInstance);
+}
+
+void CFileChangeMonitor::Initialize()
+{
+    REGISTER_CVAR(ed_logFileChanges, 0, VF_NULL, "If its 1, then enable the logging of file monitor file changes");
+
+    m_watcher.reset(new QFileSystemWatcher);
+    connect(m_watcher.data(), &QFileSystemWatcher::fileChanged,
+            this, &CFileChangeMonitor::OnFileChange);
+    connect(m_watcher.data(), &QFileSystemWatcher::directoryChanged,
+            this, &CFileChangeMonitor::OnDirectoryChange);
+
+    AddIgnoreFileMask("*$tmp*");
+}
+
+bool CFileChangeMonitor::IsDirectory(const char* sFileName)
+{
+    QFileInfo finfo(sFileName);
+    return finfo.isDir();
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CFileChangeMonitor::IsFile(const char* sFileName)
+{
+    QFileInfo finfo(sFileName);
+    return finfo.isFile();
+}
+
+void CFileChangeMonitor::AddIgnoreFileMask(const char* pMask)
+{
+    Log("Adding '%s' to ignore masks for changed files.", pMask);
+    m_ignoreMasks.append(QString::fromLatin1(pMask));
+}
+
+void CFileChangeMonitor::RemoveIgnoreFileMask(const char* pMask, int aAfterDelayMsec)
+{
+    QTimer::singleShot(aAfterDelayMsec, [=]() {
+        m_ignoreMasks.removeAll(QString::fromLatin1(pMask));
+    });
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CFileChangeMonitor::MonitorItem(const QString& sItem)
+{
+    QFileInfo finfo(sItem);
+
+    if (finfo.isDir())
+    {
+        QDir dir(sItem);
+        m_entries.insert(sItem, std::move(dir.entryInfoList(QDir::Files|QDir::Dirs|QDir::NoDotAndDotDot)));
+    }
+
+    return m_watcher->addPath(sItem);
+}
+
+void CFileChangeMonitor::StopMonitor()
+{
+    if (m_watcher)
+    {
+        disconnect(m_watcher.data(), &QFileSystemWatcher::fileChanged,
+                   this, &CFileChangeMonitor::OnFileChange);
+        disconnect(m_watcher.data(), &QFileSystemWatcher::directoryChanged,
+                   this, &CFileChangeMonitor::OnDirectoryChange);
+    }
+}
+
+void CFileChangeMonitor::SetEnabled(bool bEnable)
+{
+    m_watcher->blockSignals(!bEnable);
+}
+
+bool CFileChangeMonitor::IsEnabled()
+{
+    return !m_watcher->signalsBlocked();
+}
+
+void CFileChangeMonitor::Subscribe(CFileChangeMonitorListener* pListener)
+{
+    assert(pListener);
+    pListener->SetMonitor(this);
+    m_listeners.insert(pListener);
+}
+
+void CFileChangeMonitor::Unsubscribe(CFileChangeMonitorListener* pListener)
+{
+    assert(pListener);
+    m_listeners.erase(pListener);
+    pListener->SetMonitor(NULL);
+}
+
+void CFileChangeMonitor::OnDirectoryChange(const QString &path)
+{
+    QDir dir(path);
+
+    auto entries = dir.entryInfoList(QDir::Files|QDir::Dirs|QDir::NoDotAndDotDot);
+    const auto prev = m_entries.value(path);
+
+    for (const auto &fi : prev)
+    {
+        int eindex = entries.indexOf(fi);
+        if (eindex >= 0)
+        {
+            if (fi.lastModified() != entries.at(eindex).lastModified())
+            {
+                NotifyListeners(fi.canonicalFilePath(), SFileChangeInfo::eChangeType_Modified);
+            }
+        }
+        else
+        {
+            NotifyListeners(fi.canonicalFilePath(), SFileChangeInfo::eChangeType_Deleted);
+        }
+    }
+
+    for (const auto &fi : entries)
+    {
+        if (!prev.contains(fi))
+        {
+            NotifyListeners(fi.canonicalFilePath(), SFileChangeInfo::eChangeType_Created);
+        }
+    }
+
+    m_entries.insert(path, std::move(entries));
+
+    NotifyListeners(path, SFileChangeInfo::eChangeType_Modified);
+}
+
+void CFileChangeMonitor::OnFileChange(const QString &path)
+{
+    QFileInfo finfo(path);
+    NotifyListeners(path, finfo.exists() ? SFileChangeInfo::eChangeType_Modified : SFileChangeInfo::eChangeType_Deleted);
+}
+
+void CFileChangeMonitor::NotifyListeners(const QString &path, SFileChangeInfo::EChangeType changeType)
+{
+    for (const auto &glob : m_ignoreMasks)
+    {
+        QRegExp exp(glob, Qt::CaseInsensitive, QRegExp::Wildcard);
+        if (path.contains(exp))
+        {
+            return; // mask matches, ignore event
+        }
+    }
+
+    SFileChangeInfo change;
+    change.filename = path;
+    change.changeType = changeType;
+
+    for (auto it = m_listeners.begin(); it != m_listeners.end(); ++it)
+    {
+        CFileChangeMonitorListener* pListener = *it;
+
+        if (pListener)
+        {
+            pListener->OnFileMonitorChange(change);
+        }
+    }
+}