Utils: Split user interaction out of FileSaver::finalize()

Change-Id: Ib3b968fe6912b659c150481c8cfea7596dbc200b
Reviewed-by: David Schulz <david.schulz@qt.io>

src/libs/utils/fileutils.cpp

@@ -90,16 +90,6 @@ Result<> FileSaverBase::finalize()
     return m_result;
 }
 
-#ifdef QT_GUI_LIB
-bool FileSaverBase::finalize(QWidget *parent)
-{
-    if (finalize())
-        return true;
-    QMessageBox::critical(parent, Tr::tr("File Error"), errorString());
-    return false;
-}
-#endif // QT_GUI_LIB
-
 bool FileSaverBase::write(const char *data, int len)
 {
     if (!m_result)
@@ -874,6 +864,11 @@ FilePaths usefulExtraSearchPaths()
     return {};
 }
 
+void showError(const QString &errorMessage)
+{
+    QMessageBox::critical(dialogParent(), Tr::tr("File Error"), errorMessage);
+}
+
 } // namespace FileUtils
 
 #ifdef Q_OS_WIN

src/libs/utils/fileutils.h

@@ -107,6 +107,9 @@ QTCREATOR_UTILS_EXPORT FilePaths getOpenFilePaths(
         const QString &filter = {},
         QString *selectedFilter = nullptr,
         QFileDialog::Options options = {});
+
+QTCREATOR_UTILS_EXPORT void showError(const QString &errorMessage);
+
 #endif
 
 QTCREATOR_UTILS_EXPORT QString fetchQrc(const QString &fileName); // Only for internal resourcesm
@@ -160,9 +163,6 @@ public:
     bool hasError() const { return !m_result; }
     QString errorString() const { return m_result.error(); }
     virtual Utils::Result<> finalize();
-#ifdef QT_GUI_LIB
-    bool finalize(QWidget *parent);
-#endif
 
     bool write(const char *data, int len);
     bool write(const QByteArray &bytes);

src/plugins/cppeditor/cppfilesettingspage.cpp

@@ -493,8 +493,10 @@ void CppFileSettingsWidget::slotEdit()
         FileSaver saver(path, QIODevice::Text);
         saver.write(
             Tr::tr(licenseTemplateTemplate).arg(QGuiApplication::applicationDisplayName()).toUtf8());
-        if (!saver.finalize(this))
+        if (const Result<> res = saver.finalize(); !res) {
+            FileUtils::showError(res.error());
             return;
+        }
         setLicenseTemplatePath(path);
     }
     // Edit (now) existing file with C++

src/plugins/debugger/debuggerplugin.cpp

@@ -1971,7 +1971,8 @@ void DebuggerPluginPrivate::dumpLog()
         ts << logWindow->combinedContents();
         saver.setResult(&ts);
     }
-    saver.finalize(ICore::dialogParent());
+    if (const Result<> res = saver.finalize(); !res)
+        FileUtils::showError(res.error());
 }
 
 void DebuggerPluginPrivate::remoteCommand(const QStringList &options)

src/plugins/extensionmanager/extensionmanagerwidget.cpp

@@ -959,7 +959,7 @@ void ExtensionManagerWidget::fetchAndInstallPlugin(const QUrl &url, bool update,
         TempFileSaver saver(TemporaryDirectory::masterDirectoryPath() + "/XXXXXX-" + filename);
 
         saver.write(storage->packageData);
-        if (saver.finalize(ICore::dialogParent())) {
+        if (const Result<> res = saver.finalize()) {
             auto result = executePluginInstallWizard(saver.filePath(), update);
             switch (result) {
             case InstallResult::Success:
@@ -970,6 +970,8 @@ void ExtensionManagerWidget::fetchAndInstallPlugin(const QUrl &url, bool update,
             case InstallResult::Error:
                 return false;
             }
+        } else {
+            FileUtils::showError(res.error());
         }
         return false;
     };

src/plugins/genericprojectmanager/genericproject.cpp

@@ -319,8 +319,10 @@ bool GenericBuildSystem::saveRawList(const QStringList &rawList, const QString &
             stream << filePath << '\n';
         saver.setResult(&stream);
     }
-    bool result = saver.finalize(ICore::dialogParent());
-    return result;
+    const Result<> result = saver.finalize();
+    if (!result)
+        FileUtils::showError(result.error());
+    return result.has_value();
 }
 
 static void insertSorted(QStringList *list, const QString &value)

src/plugins/help/helpviewer.cpp

@@ -6,8 +6,6 @@
 #include "helptr.h"
 #include "localhelpmanager.h"
 
-#include <coreplugin/icore.h>
-
 #include <utils/fadingindicator.h>
 #include <utils/fileutils.h>
 #include <utils/temporarydirectory.h>
@@ -22,7 +20,9 @@
 
 #include <QHelpEngine>
 
-using namespace Help::Internal;
+using namespace Utils;
+
+namespace Help::Internal {
 
 struct ExtensionMap {
     const char *extension;
@@ -143,13 +143,15 @@ bool HelpViewer::launchWithExternalApp(const QUrl &url)
 
         const QString& path = resolvedUrl.path();
         if (!canOpenPage(path)) {
-            Utils::TempFileSaver saver(Utils::TemporaryDirectory::masterDirectoryPath()
+            TempFileSaver saver(TemporaryDirectory::masterDirectoryPath()
                 + "/qtchelp_XXXXXX." + QFileInfo(path).completeSuffix());
             saver.setAutoRemove(false);
             if (!saver.hasError())
                 saver.write(helpEngine.fileData(resolvedUrl));
-            if (saver.finalize(Core::ICore::dialogParent()))
+            if (const Result<> res = saver.finalize())
                 QDesktopServices::openUrl(QUrl(saver.filePath().toUrlishString()));
+            else
+                FileUtils::showError(res.error());
             return true;
         }
         return false;
@@ -256,3 +258,5 @@ bool HelpViewer::handleForwardBackwardMouseButtons(QMouseEvent *event)
 
     return false;
 }
+
+} // Help::Internal

src/plugins/help/helpviewer.h

@@ -14,8 +14,7 @@
 #include <QUrl>
 #include <QWidget>
 
-namespace Help {
-namespace Internal {
+namespace Help::Internal {
 
 class HelpViewer : public QWidget
 {
@@ -103,5 +102,4 @@ private:
     void applyZoom(int percentage);
 };
 
-}   // namespace Internal
-}   // namespace Help
+} // namespace Help::Internal

src/plugins/languageclient/lspinspector.cpp

@@ -322,8 +322,10 @@ void LspLogWidget::saveLog()
         return;
     FileSaver saver(filePath, QIODevice::Text);
     saver.write(contents.toUtf8());
-    if (!saver.finalize(this))
+    if (const Result<> res = saver.finalize(); !res) {
+        FileUtils::showError(res.error());
         saveLog();
+    }
 }
 
 class LspInspectorWidget : public QDialog

src/plugins/macros/macro.cpp

@@ -12,6 +12,8 @@
 #include <QDataStream>
 #include <QCoreApplication>
 
+using namespace Utils;
+
 namespace Macros::Internal {
 
 /*!
@@ -122,8 +124,10 @@ bool Macro::save(const QString &fileName)
         }
         saver.setResult(&stream);
     }
-    if (!saver.finalize(Core::ICore::dialogParent()))
+    if (const Result<> res = saver.finalize(); !res) {
+        FileUtils::showError(res.error());
         return false;
+    }
     d->fileName = fileName;
     return true;
 }

src/plugins/resourceeditor/resourceeditor.cpp

@@ -14,7 +14,6 @@
 #include <coreplugin/coreplugintr.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/editormanager/ieditorfactory.h>
-#include <coreplugin/icore.h>
 #include <coreplugin/idocument.h>
 
 #include <utils/fileutils.h>
@@ -240,8 +239,10 @@ Result<> ResourceEditorDocument::setContents(const QByteArray &contents)
 {
     TempFileSaver saver;
     saver.write(contents);
-    if (!saver.finalize(ICore::dialogParent()))
-        return ResultError(saver.errorString());
+    if (const Result<> res = saver.finalize(); !res) {
+        FileUtils::showError(res.error());
+        return res;
+    }
 
     const FilePath originalFileName = m_model.filePath();
     m_model.setFilePath(saver.filePath());

src/plugins/texteditor/colorscheme.cpp

@@ -6,8 +6,6 @@
 #include "texteditorconstants.h"
 #include "texteditortr.h"
 
-#include <coreplugin/icore.h>
-
 #include <utils/fileutils.h>
 
 #include <QFile>
@@ -264,7 +262,12 @@ bool ColorScheme::save(const FilePath &filePath) const
 
         saver.setResult(&w);
     }
-    return saver.finalize(Core::ICore::dialogParent());
+
+    const Result<> res = saver.finalize();
+    if (!res)
+        FileUtils::showError(res.error());
+
+    return res.has_value();
 }
 
 namespace {

src/plugins/valgrind/memcheckerrorview.cpp

@@ -252,8 +252,10 @@ void SuppressionDialog::accept()
         stream << m_suppressionEdit->toPlainText();
         saver.setResult(&stream);
     }
-    if (!saver.finalize(this))
+    if (const Result<> res = saver.finalize(); !res) {
+        FileUtils::showError(res.error());
         return;
+    }
 
     // Add file to project if there is a project containing this file on the file system.
     if (!ProjectExplorer::ProjectManager::projectForFile(path)) {