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/*
* Copyright (C) by Jocelyn Turcotte <jturcotte@woboq.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*/
#include "navigationpanehelper.h"
#include "accountmanager.h"
#include "configfile.h"
#include "folderman.h"
#include <QDir>
#include <QCoreApplication>
namespace OCC {
Q_LOGGING_CATEGORY(lcNavPane, "gui.folder.navigationpane", QtInfoMsg)
NavigationPaneHelper::NavigationPaneHelper(FolderMan *folderMan)
: _folderMan(folderMan)
{
ConfigFile cfg;
_showInExplorerNavigationPane = cfg.showInExplorerNavigationPane();
_updateCloudStorageRegistryTimer.setSingleShot(true);
connect(&_updateCloudStorageRegistryTimer, &QTimer::timeout, this, &NavigationPaneHelper::updateCloudStorageRegistry);
}
void NavigationPaneHelper::setShowInExplorerNavigationPane(bool show)
{
if (_showInExplorerNavigationPane == show)
return;
_showInExplorerNavigationPane = show;
// Re-generate a new CLSID when enabling, possibly throwing away the old one.
// updateCloudStorageRegistry will take care of removing any unknown CLSID our application owns from the registry.
for (auto *folder : _folderMan->folders())
folder->setNavigationPaneClsid(show ? QUuid::createUuid() : QUuid());
scheduleUpdateCloudStorageRegistry();
}
void NavigationPaneHelper::scheduleUpdateCloudStorageRegistry()
{
// Schedule the update to happen a bit later to avoid doing the update multiple times in a row.
if (!_updateCloudStorageRegistryTimer.isActive())
_updateCloudStorageRegistryTimer.start(500);
}
void NavigationPaneHelper::updateCloudStorageRegistry()
{
// Start by looking at every registered namespace extension for the sidebar, and look for an "ApplicationName" value
// that matches ours when we saved.
QVector<QUuid> entriesToRemove;
Utility::registryWalkSubKeys(
HKEY_CURRENT_USER,
QStringLiteral("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Desktop\\NameSpace"),
[&entriesToRemove](HKEY key, const QString &subKey) {
QVariant appName = Utility::registryGetKeyValue(key, subKey, QStringLiteral("ApplicationName"));
if (appName.toString() == QLatin1String(APPLICATION_NAME)) {
QUuid clsid{ subKey };
Q_ASSERT(!clsid.isNull());
entriesToRemove.append(clsid);
}
});
// Then re-save every folder that has a valid navigationPaneClsid to the registry.
// We currently don't distinguish between new and existing CLSIDs, if it's there we just
// save over it. We at least need to update the tile in case we are suddently using multiple accounts.
for (auto *folder : _folderMan->folders()) {
if (folder->vfs().mode() == Vfs::WindowsCfApi)
{
continue;
}
if (!folder->navigationPaneClsid().isNull()) {
// If it already exists, unmark it for removal, this is a valid sync root.
entriesToRemove.removeOne(folder->navigationPaneClsid());
QString clsidStr = folder->navigationPaneClsid().toString();
QString clsidPath = QString() % "Software\\Classes\\CLSID\\" % clsidStr;
QString clsidPathWow64 = QString() % "Software\\Classes\\Wow6432Node\\CLSID\\" % clsidStr;
QString namespacePath = QString() % "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Desktop\\NameSpace\\" % clsidStr;
QString title = folder->displayName();
// Write the account name in the sidebar only when using more than one account.
if (AccountManager::instance()->accounts().size() > 1)
title = title % " - " % folder->accountState()->account()->displayName();
QString iconPath = QDir::toNativeSeparators(qApp->applicationFilePath());
QString targetFolderPath = QDir::toNativeSeparators(folder->cleanPath());
qCInfo(lcNavPane) << "Explorer Cloud storage provider: saving path" << targetFolderPath << "to CLSID" << clsidStr;
// Steps taken from: https://msdn.microsoft.com/en-us/library/windows/desktop/dn889934%28v=vs.85%29.aspx
// Step 1: Add your CLSID and name your extension
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath, QString(), REG_SZ, title);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64, QString(), REG_SZ, title);
// Step 2: Set the image for your icon
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\DefaultIcon"), QString(), REG_SZ, iconPath);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\DefaultIcon"), QString(), REG_SZ, iconPath);
// Step 3: Add your extension to the Navigation Pane and make it visible
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath, QStringLiteral("System.IsPinnedToNameSpaceTree"), REG_DWORD, 0x1);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64, QStringLiteral("System.IsPinnedToNameSpaceTree"), REG_DWORD, 0x1);
// Step 4: Set the location for your extension in the Navigation Pane
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath, QStringLiteral("SortOrderIndex"), REG_DWORD, 0x41);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64, QStringLiteral("SortOrderIndex"), REG_DWORD, 0x41);
// Step 5: Provide the dll that hosts your extension.
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\InProcServer32"), QString(), REG_EXPAND_SZ, QStringLiteral("%systemroot%\\system32\\shell32.dll"));
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\InProcServer32"), QString(), REG_EXPAND_SZ, QStringLiteral("%systemroot%\\system32\\shell32.dll"));
// Step 6: Define the instance object
// Indicate that your namespace extension should function like other file folder structures in File Explorer.
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\Instance"), QStringLiteral("CLSID"), REG_SZ, QStringLiteral("{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"));
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\Instance"), QStringLiteral("CLSID"), REG_SZ, QStringLiteral("{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"));
// Step 7: Provide the file system attributes of the target folder
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\Instance\\InitPropertyBag"), QStringLiteral("Attributes"), REG_DWORD, 0x11);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\Instance\\InitPropertyBag"), QStringLiteral("Attributes"), REG_DWORD, 0x11);
// Step 8: Set the path for the sync root
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\Instance\\InitPropertyBag"), QStringLiteral("TargetFolderPath"), REG_SZ, targetFolderPath);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\Instance\\InitPropertyBag"), QStringLiteral("TargetFolderPath"), REG_SZ, targetFolderPath);
// Step 9: Set appropriate shell flags
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\ShellFolder"), QStringLiteral("FolderValueFlags"), REG_DWORD, 0x28);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\ShellFolder"), QStringLiteral("FolderValueFlags"), REG_DWORD, 0x28);
// Step 10: Set the appropriate flags to control your shell behavior
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPath + QStringLiteral("\\ShellFolder"), QStringLiteral("Attributes"), REG_DWORD, 0xF080004D);
Utility::registrySetKeyValue(HKEY_CURRENT_USER, clsidPathWow64 + QStringLiteral("\\ShellFolder"), QStringLiteral("Attributes"), REG_DWORD, 0xF080004D);
// Step 11: Register your extension in the namespace root
Utility::registrySetKeyValue(HKEY_CURRENT_USER, namespacePath, QString(), REG_SZ, title);
// Step 12: Hide your extension from the Desktop
Utility::registrySetKeyValue(HKEY_CURRENT_USER, QStringLiteral("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\HideDesktopIcons\\NewStartPanel"), clsidStr, REG_DWORD, 0x1);
// For us, to later be able to iterate and find our own namespace entries and associated CLSID.
// Use the macro instead of the theme to make sure it matches with the uninstaller.
Utility::registrySetKeyValue(HKEY_CURRENT_USER, namespacePath, QStringLiteral("ApplicationName"), REG_SZ, QLatin1String(APPLICATION_NAME));
}
}
// Then remove anything that isn't in our folder list anymore.
for (const auto &clsid : qAsConst(entriesToRemove)) {
QString clsidStr = clsid.toString();
QString clsidPath = QString() % "Software\\Classes\\CLSID\\" % clsidStr;
QString clsidPathWow64 = QString() % "Software\\Classes\\Wow6432Node\\CLSID\\" % clsidStr;
QString namespacePath = QString() % "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Desktop\\NameSpace\\" % clsidStr;
qCInfo(lcNavPane) << "Explorer Cloud storage provider: now unused, removing own CLSID" << clsidStr;
Utility::registryDeleteKeyTree(HKEY_CURRENT_USER, clsidPath);
Utility::registryDeleteKeyTree(HKEY_CURRENT_USER, clsidPathWow64);
Utility::registryDeleteKeyTree(HKEY_CURRENT_USER, namespacePath);
Utility::registryDeleteKeyValue(HKEY_CURRENT_USER, QStringLiteral("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\HideDesktopIcons\\NewStartPanel"), clsidStr);
}
}
} // namespace OCC
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