CppEditor: remove unneeded indirection for the outline model

Change-Id: I01e9fb0dae30d6df22c0f5d7255ab247c48749fc
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

15 files changed, 86 insertions, 150 deletions

diff --git a/src/plugins/clangcodemodel/clangmodelmanagersupport.cpp b/src/plugins/clangcodemodel/clangmodelmanagersupport.cpp
index 17617322fe..d8f61a3707 100644
--- a/src/plugins/clangcodemodel/clangmodelmanagersupport.cpp
+++ b/src/plugins/clangcodemodel/clangmodelmanagersupport.cpp
@@ -38,7 +38,6 @@
 #include <coreplugin/icore.h>
 #include <coreplugin/messagemanager.h>
 
-#include <cppeditor/abstractoverviewmodel.h>
 #include <cppeditor/cppcodemodelsettings.h>
 #include <cppeditor/cppeditorconstants.h>
 #include <cppeditor/cppeditorwidget.h>
diff --git a/src/plugins/cppeditor/CMakeLists.txt b/src/plugins/cppeditor/CMakeLists.txt
index e6463b77e5..d7836fc9cb 100644
--- a/src/plugins/cppeditor/CMakeLists.txt
+++ b/src/plugins/cppeditor/CMakeLists.txt
@@ -5,7 +5,6 @@ add_qtc_plugin(CppEditor
   PLUGIN_TEST_DEPENDS QbsProjectManager QmakeProjectManager
   SOURCES
     abstracteditorsupport.cpp abstracteditorsupport.h
-    abstractoverviewmodel.h
     baseeditordocumentparser.cpp baseeditordocumentparser.h
     baseeditordocumentprocessor.cpp baseeditordocumentprocessor.h
     builtincursorinfo.cpp builtincursorinfo.h
diff --git a/src/plugins/cppeditor/abstractoverviewmodel.h b/src/plugins/cppeditor/abstractoverviewmodel.h
deleted file mode 100644
index 57fef64924..0000000000
--- a/src/plugins/cppeditor/abstractoverviewmodel.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2018 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-****************************************************************************/
-
-#pragma once
-
-#include "cppeditor_global.h"
-
-#include <utils/dropsupport.h>
-#include <utils/treemodel.h>
-
-#include <QSharedPointer>
-
-#include <utility>
-
-namespace CPlusPlus { class Document; }
-
-namespace Utils {
-class LineColumn;
-class Link;
-}
-
-namespace CppEditor {
-
-class CPPEDITOR_EXPORT AbstractOverviewModel : public Utils::TreeModel<>
-{
-    Q_OBJECT
-
-public:
-    enum Role {
-        FileNameRole = Qt::UserRole + 1,
-        LineNumberRole
-    };
-
-    virtual void rebuild(QSharedPointer<CPlusPlus::Document>) {}
-    virtual bool rebuild(const QString &) { return false; }
-
-    Qt::ItemFlags flags(const QModelIndex &index) const override
-    {
-        if (!index.isValid())
-            return Qt::NoItemFlags;
-
-        return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
-    }
-
-    Qt::DropActions supportedDragActions() const override
-    {
-        return Qt::MoveAction;
-    }
-
-    QStringList mimeTypes() const override
-    {
-        return Utils::DropSupport::mimeTypesForFilePaths();
-    }
-
-    QMimeData *mimeData(const QModelIndexList &indexes) const override
-    {
-        auto mimeData = new Utils::DropMimeData;
-        for (const QModelIndex &index : indexes) {
-            const QVariant fileName = data(index, FileNameRole);
-            if (!fileName.canConvert<QString>())
-                continue;
-            const QVariant lineNumber = data(index, LineNumberRole);
-            if (!lineNumber.canConvert<unsigned>())
-                continue;
-            mimeData->addFile(Utils::FilePath::fromVariant(fileName),
-                              static_cast<int>(lineNumber.value<unsigned>()));
-        }
-        return mimeData;
-    }
-
-    virtual bool isGenerated(const QModelIndex &) const { return false; }
-    virtual Utils::Link linkFromIndex(const QModelIndex &) const = 0;
-    virtual Utils::LineColumn lineColumnFromIndex(const QModelIndex &) const = 0;
-
-    using Range = std::pair<Utils::LineColumn, Utils::LineColumn>;
-    virtual Range rangeFromIndex(const QModelIndex &) const = 0;
-
-signals:
-    void needsUpdate();
-};
-
-} // namespace CppEditor
diff --git a/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.cpp b/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.cpp
index 578d45098f..5c0a51b040 100644
--- a/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.cpp
+++ b/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.cpp
@@ -113,11 +113,6 @@ TextEditor::BaseHoverHandler *BuiltinModelManagerSupport::createHoverHandler()
     return new CppHoverHandler;
 }
 
-std::unique_ptr<AbstractOverviewModel> BuiltinModelManagerSupport::createOverviewModel()
-{
-    return std::make_unique<OverviewModel>();
-}
-
 void BuiltinModelManagerSupport::followSymbol(const CursorInEditor &data,
                                               const Utils::LinkHandler &processLinkCallback,
                                               bool resolveTarget, bool inNextSplit)
diff --git a/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.h b/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.h
index 620d9f8f38..36fea5e84f 100644
--- a/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.h
+++ b/src/plugins/cppeditor/cppbuiltinmodelmanagersupport.h
@@ -43,7 +43,6 @@ public:
 
     CppCompletionAssistProvider *completionAssistProvider();
     TextEditor::BaseHoverHandler *createHoverHandler();
-    std::unique_ptr<AbstractOverviewModel> createOverviewModel();
 
     BaseEditorDocumentProcessor *createEditorDocumentProcessor(
             TextEditor::TextDocument *baseTextDocument) final;
diff --git a/src/plugins/cppeditor/cppeditor.qbs b/src/plugins/cppeditor/cppeditor.qbs
index 989619b9be..9960d309f8 100644
--- a/src/plugins/cppeditor/cppeditor.qbs
+++ b/src/plugins/cppeditor/cppeditor.qbs
@@ -29,7 +29,6 @@ QtcPlugin {
     files: [
         "abstracteditorsupport.cpp",
         "abstracteditorsupport.h",
-        "abstractoverviewmodel.h",
         "baseeditordocumentparser.cpp",
         "baseeditordocumentparser.h",
         "baseeditordocumentprocessor.cpp",
diff --git a/src/plugins/cppeditor/cppeditoroutline.cpp b/src/plugins/cppeditor/cppeditoroutline.cpp
index 62d1e3bf19..958ac01a7a 100644
--- a/src/plugins/cppeditor/cppeditoroutline.cpp
+++ b/src/plugins/cppeditor/cppeditoroutline.cpp
@@ -57,7 +57,7 @@ class OverviewProxyModel : public QSortFilterProxyModel
     Q_OBJECT
 
 public:
-    OverviewProxyModel(CppEditor::AbstractOverviewModel &sourceModel, QObject *parent)
+    OverviewProxyModel(CppEditor::Internal::OverviewModel &sourceModel, QObject *parent)
         : QSortFilterProxyModel(parent)
         , m_sourceModel(sourceModel)
     {
@@ -73,7 +73,7 @@ public:
         return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
     }
 private:
-    CppEditor::AbstractOverviewModel &m_sourceModel;
+    CppEditor::Internal::OverviewModel &m_sourceModel;
 };
 
 QTimer *newSingleShotTimer(QObject *parent, int msInternal, const QString &objectName)
@@ -94,7 +94,7 @@ CppEditorOutline::CppEditorOutline(TextEditor::TextEditorWidget *editorWidget)
     , m_editorWidget(editorWidget)
     , m_combo(new Utils::TreeViewComboBox)
 {
-    m_model = CppModelManager::instance()->createOverviewModel();
+    m_model = std::make_unique<OverviewModel>();
     m_proxyModel = new OverviewProxyModel(*m_model, this);
     m_proxyModel->setSourceModel(m_model.get());
 
@@ -130,7 +130,7 @@ CppEditorOutline::CppEditorOutline(TextEditor::TextEditorWidget *editorWidget)
     m_updateTimer = newSingleShotTimer(this, UpdateOutlineIntervalInMs,
                                        QLatin1String("CppEditorOutline::m_updateTimer"));
     connect(m_updateTimer, &QTimer::timeout, this, &CppEditorOutline::updateNow);
-    connect(m_model.get(), &AbstractOverviewModel::needsUpdate, this,
+    connect(m_model.get(), &OverviewModel::needsUpdate, this,
             &CppEditorOutline::updateNow);
 
     m_updateIndexTimer = newSingleShotTimer(this, UpdateOutlineIntervalInMs,
@@ -148,7 +148,7 @@ bool CppEditorOutline::isSorted() const
     return m_proxyModel->sortColumn() == 0;
 }
 
-AbstractOverviewModel *CppEditorOutline::model() const
+OverviewModel *CppEditorOutline::model() const
 {
     return m_model.get();
 }
@@ -189,8 +189,7 @@ void CppEditorOutline::updateNow()
         return;
     }
 
-    if (!m_model->rebuild(filePath))
-        m_model->rebuild(m_document);
+    m_model->rebuild(m_document);
 
     m_combo->view()->expandAll();
     updateIndexNow();
@@ -244,7 +243,7 @@ void CppEditorOutline::gotoSymbolInEditor()
     emit m_editorWidget->activateEditor();
 }
 
-static bool contains(const AbstractOverviewModel::Range &range, int line, int column)
+static bool contains(const OverviewModel::Range &range, int line, int column)
 {
     if (line < range.first.line || line > range.second.line)
         return false;
@@ -262,7 +261,7 @@ QModelIndex CppEditorOutline::indexForPosition(int line, int column,
     const int rowCount = m_model->rowCount(rootIndex);
     for (int row = 0; row < rowCount; ++row) {
         const QModelIndex index = m_model->index(row, 0, rootIndex);
-        const AbstractOverviewModel::Range range = m_model->rangeFromIndex(index);
+        const OverviewModel::Range range = m_model->rangeFromIndex(index);
         if (range.first.line > line)
             break;
         // Skip ranges that do not include current line and column.
diff --git a/src/plugins/cppeditor/cppeditoroutline.h b/src/plugins/cppeditor/cppeditoroutline.h
index 39043866fe..59870bb656 100644
--- a/src/plugins/cppeditor/cppeditoroutline.h
+++ b/src/plugins/cppeditor/cppeditoroutline.h
@@ -25,7 +25,7 @@
 
 #pragma once
 
-#include "abstractoverviewmodel.h"
+#include "cppoverviewmodel.h"
 
 #include <QModelIndex>
 #include <QObject>
@@ -52,7 +52,7 @@ public:
 
     void update();
 
-    AbstractOverviewModel *model() const;
+    OverviewModel *model() const;
     QModelIndex modelIndex();
 
     QWidget *widget() const; // Must be deleted by client.
@@ -77,7 +77,7 @@ private:
 
 private:
     QSharedPointer<CPlusPlus::Document> m_document;
-    std::unique_ptr<AbstractOverviewModel> m_model;
+    std::unique_ptr<OverviewModel> m_model;
 
     TextEditor::TextEditorWidget *m_editorWidget;
 
diff --git a/src/plugins/cppeditor/cppmodelmanager.cpp b/src/plugins/cppeditor/cppmodelmanager.cpp
index a53c04ee68..fad28d90a8 100644
--- a/src/plugins/cppeditor/cppmodelmanager.cpp
+++ b/src/plugins/cppeditor/cppmodelmanager.cpp
@@ -26,7 +26,7 @@
 #include "cppmodelmanager.h"
 
 #include "abstracteditorsupport.h"
-#include "abstractoverviewmodel.h"
+#include "cppoverviewmodel.h"
 #include "baseeditordocumentprocessor.h"
 #include "builtinindexingsupport.h"
 #include "cppcodemodelinspectordumper.h"
@@ -549,11 +549,6 @@ Core::ILocatorFilter *CppModelManager::currentDocumentFilter() const
     return d->m_currentDocumentFilter.get();
 }
 
-std::unique_ptr<AbstractOverviewModel> CppModelManager::createOverviewModel() const
-{
-    return d->m_builtinModelManagerSupport.createOverviewModel();
-}
-
 QString CppModelManager::configurationFileName()
 {
     return Preprocessor::configurationFileName();
diff --git a/src/plugins/cppeditor/cppmodelmanager.h b/src/plugins/cppeditor/cppmodelmanager.h
index 32f5db0717..94df813dc2 100644
--- a/src/plugins/cppeditor/cppmodelmanager.h
+++ b/src/plugins/cppeditor/cppmodelmanager.h
@@ -61,7 +61,6 @@ class TextDocument;
 namespace CppEditor {
 
 class AbstractEditorSupport;
-class AbstractOverviewModel;
 class BaseEditorDocumentProcessor;
 class CppCompletionAssistProvider;
 class CppEditorDocumentHandle;
@@ -203,8 +202,6 @@ public:
 
     static Core::ILocatorFilter *createAuxiliaryCurrentDocumentFilter();
 
-    std::unique_ptr<AbstractOverviewModel> createOverviewModel() const;
-
     CppIndexingSupport *indexingSupport();
 
     QStringList projectFiles();
diff --git a/src/plugins/cppeditor/cppmodelmanagersupport.h b/src/plugins/cppeditor/cppmodelmanagersupport.h
index 6ff57f0e6b..e7df47bb8d 100644
--- a/src/plugins/cppeditor/cppmodelmanagersupport.h
+++ b/src/plugins/cppeditor/cppmodelmanagersupport.h
@@ -42,7 +42,7 @@ class BaseHoverHandler;
 
 namespace CppEditor {
 
-class AbstractOverviewModel;
+class OverviewModel;
 class BaseEditorDocumentProcessor;
 class CppCompletionAssistProvider;
 class ProjectPart;
diff --git a/src/plugins/cppeditor/cppoutline.cpp b/src/plugins/cppeditor/cppoutline.cpp
index dbb06361d0..30c86026a1 100644
--- a/src/plugins/cppeditor/cppoutline.cpp
+++ b/src/plugins/cppeditor/cppoutline.cpp
@@ -68,7 +68,7 @@ void CppOutlineTreeView::contextMenuEvent(QContextMenuEvent *event)
     event->accept();
 }
 
-CppOutlineFilterModel::CppOutlineFilterModel(AbstractOverviewModel &sourceModel,
+CppOutlineFilterModel::CppOutlineFilterModel(OverviewModel &sourceModel,
                                              QObject *parent)
     : QSortFilterProxyModel(parent)
     , m_sourceModel(sourceModel)
@@ -102,7 +102,7 @@ CppOutlineWidget::CppOutlineWidget(CppEditorWidget *editor) :
     m_blockCursorSync(false),
     m_sorted(false)
 {
-    AbstractOverviewModel *model = m_editor->outline()->model();
+    OverviewModel *model = m_editor->outline()->model();
     m_proxyModel = new CppOutlineFilterModel(*model, this);
     m_proxyModel->setSourceModel(model);
 
@@ -179,7 +179,7 @@ void CppOutlineWidget::updateSelectionInTree(const QModelIndex &index)
 void CppOutlineWidget::updateTextCursor(const QModelIndex &proxyIndex)
 {
     QModelIndex index = m_proxyModel->mapToSource(proxyIndex);
-    AbstractOverviewModel *model = m_editor->outline()->model();
+    OverviewModel *model = m_editor->outline()->model();
     Utils::LineColumn lineColumn = model->lineColumnFromIndex(index);
     if (!lineColumn.isValid())
         return;
diff --git a/src/plugins/cppeditor/cppoutline.h b/src/plugins/cppeditor/cppoutline.h
index 9c6e3e14d7..9da1fb9082 100644
--- a/src/plugins/cppeditor/cppoutline.h
+++ b/src/plugins/cppeditor/cppoutline.h
@@ -25,8 +25,8 @@
 
 #pragma once
 
-#include "abstractoverviewmodel.h"
 #include "cppeditorwidget.h"
+#include "cppoverviewmodel.h"
 
 #include <texteditor/ioutlinewidget.h>
 
@@ -50,13 +50,13 @@ class CppOutlineFilterModel : public QSortFilterProxyModel
 {
     Q_OBJECT
 public:
-    CppOutlineFilterModel(AbstractOverviewModel &sourceModel, QObject *parent);
+    CppOutlineFilterModel(OverviewModel &sourceModel, QObject *parent);
     // QSortFilterProxyModel
     bool filterAcceptsRow(int sourceRow,
                           const QModelIndex &sourceParent) const override;
     Qt::DropActions supportedDragActions() const override;
 private:
-    AbstractOverviewModel &m_sourceModel;
+    OverviewModel &m_sourceModel;
 };
 
 class CppOutlineWidget : public TextEditor::IOutlineWidget
diff --git a/src/plugins/cppeditor/cppoverviewmodel.cpp b/src/plugins/cppeditor/cppoverviewmodel.cpp
index de7a8df2f4..9e032ce922 100644
--- a/src/plugins/cppeditor/cppoverviewmodel.cpp
+++ b/src/plugins/cppeditor/cppoverviewmodel.cpp
@@ -126,10 +126,10 @@ public:
         case Qt::DecorationRole:
             return Icons::iconForSymbol(symbol);
 
-        case AbstractOverviewModel::FileNameRole:
+        case OverviewModel::FileNameRole:
             return QString::fromUtf8(symbol->fileName(), symbol->fileNameLength());
 
-        case AbstractOverviewModel::LineNumberRole:
+        case OverviewModel::LineNumberRole:
             return symbol->line();
 
         default:
@@ -168,6 +168,40 @@ Symbol *OverviewModel::symbolFromIndex(const QModelIndex &index) const
     return item ? item->symbol : nullptr;
 }
 
+Qt::ItemFlags OverviewModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return Qt::NoItemFlags;
+
+    return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
+}
+
+Qt::DropActions OverviewModel::supportedDragActions() const
+{
+    return Qt::MoveAction;
+}
+
+QStringList OverviewModel::mimeTypes() const
+{
+    return Utils::DropSupport::mimeTypesForFilePaths();
+}
+
+QMimeData *OverviewModel::mimeData(const QModelIndexList &indexes) const
+{
+    auto mimeData = new Utils::DropMimeData;
+    for (const QModelIndex &index : indexes) {
+        const QVariant fileName = data(index, FileNameRole);
+        if (!fileName.canConvert<QString>())
+            continue;
+        const QVariant lineNumber = data(index, LineNumberRole);
+        if (!lineNumber.canConvert<unsigned>())
+            continue;
+        mimeData->addFile(Utils::FilePath::fromVariant(fileName),
+                          static_cast<int>(lineNumber.value<unsigned>()));
+    }
+    return mimeData;
+}
+
 void OverviewModel::rebuild(Document::Ptr doc)
 {
     beginResetModel();
diff --git a/src/plugins/cppeditor/cppoverviewmodel.h b/src/plugins/cppeditor/cppoverviewmodel.h
index 27911f7085..0ac9787c89 100644
--- a/src/plugins/cppeditor/cppoverviewmodel.h
+++ b/src/plugins/cppeditor/cppoverviewmodel.h
@@ -25,25 +25,49 @@
 
 #pragma once
 
-#include "abstractoverviewmodel.h"
+#include <utils/dropsupport.h>
+#include <utils/treemodel.h>
 
 #include <cplusplus/CppDocument.h>
 #include <cplusplus/Overview.h>
 
+#include <QSharedPointer>
+
+#include <utility>
+
+namespace Utils {
+class LineColumn;
+class Link;
+} // namespace Utils
+
 namespace CppEditor::Internal {
 class SymbolItem;
 
-class OverviewModel : public AbstractOverviewModel
+class OverviewModel : public Utils::TreeModel<>
 {
     Q_OBJECT
 
 public:
-    void rebuild(CPlusPlus::Document::Ptr doc) override;
+    enum Role {
+        FileNameRole = Qt::UserRole + 1,
+        LineNumberRole
+    };
+
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+    Qt::DropActions supportedDragActions() const override;
+    QStringList mimeTypes() const override;
+    QMimeData *mimeData(const QModelIndexList &indexes) const override;
+
+    void rebuild(CPlusPlus::Document::Ptr doc);
+
+    bool isGenerated(const QModelIndex &sourceIndex) const;
+    Utils::Link linkFromIndex(const QModelIndex &sourceIndex) const;
+    Utils::LineColumn lineColumnFromIndex(const QModelIndex &sourceIndex) const;
+    using Range = std::pair<Utils::LineColumn, Utils::LineColumn>;
+    Range rangeFromIndex(const QModelIndex &sourceIndex) const;
 
-    bool isGenerated(const QModelIndex &sourceIndex) const override;
-    Utils::Link linkFromIndex(const QModelIndex &sourceIndex) const override;
-    Utils::LineColumn lineColumnFromIndex(const QModelIndex &sourceIndex) const override;
-    Range rangeFromIndex(const QModelIndex &sourceIndex) const override;
+signals:
+    void needsUpdate();
 
 private:
     CPlusPlus::Symbol *symbolFromIndex(const QModelIndex &index) const;