Fix problems with missing safety checks in Render::fillBuffer and pdfcomic

YACReaderLibrary/db/folder_model.h

@@ -0,0 +1,151 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TREEMODEL_H
+#define TREEMODEL_H
+
+#include <QAbstractItemModel>
+#include <QSortFilterProxyModel>
+#include <QModelIndex>
+#include <QVariant>
+#include <QSqlQuery>
+#include <QSqlDatabase>
+
+#include "yacreader_global.h"
+
+class FolderItem;
+
+class FolderModelProxy : public QSortFilterProxyModel
+{
+    Q_OBJECT
+public:
+    explicit FolderModelProxy(QObject *parent = 0);
+    ~FolderModelProxy();
+
+    void setFilter(const YACReader::SearchModifiers modifier, QString filter, bool includeComics);
+    void setupFilteredModelData( QSqlQuery &sqlquery, FolderItem *parent);
+    void setupFilteredModelData();
+    void clear();
+
+    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
+
+protected:
+    FolderItem *rootItem;
+    QMap<unsigned long long int, FolderItem *> filteredItems; //relación entre folders
+
+    bool includeComics;
+    QString filter;
+    bool filterEnabled;
+
+    YACReader::SearchModifiers modifier;
+};
+
+class FolderModel : public QAbstractItemModel
+{
+
+	Q_OBJECT
+
+    friend class FolderModelProxy;
+
+public:
+    FolderModel(QObject *parent = 0);
+    FolderModel( QSqlQuery &sqlquery, QObject *parent = 0);
+    ~FolderModel();
+
+    //QAbstractItemModel methods
+	QVariant data(const QModelIndex &index, int role) const;
+	Qt::ItemFlags flags(const QModelIndex &index) const;
+	QVariant headerData(int section, Qt::Orientation orientation,
+						int role = Qt::DisplayRole) const;
+	QModelIndex index(int row, int column,
+					  const QModelIndex &parent = QModelIndex()) const;
+	QModelIndex parent(const QModelIndex &index) const;
+	int rowCount(const QModelIndex &parent = QModelIndex()) const;
+	int columnCount(const QModelIndex &parent = QModelIndex()) const;
+
+    //Convenience methods
+    void setupModelData(QString path);
+    QString getDatabase();
+	QString getFolderPath(const QModelIndex &folder);
+    //QModelIndex indexFromItem(FolderItem * item, int column);
+
+
+    //bool isFilterEnabled(){return filterEnabled;};
+
+    void updateFolderCompletedStatus(const QModelIndexList & list, bool status);
+    void updateFolderFinishedStatus(const QModelIndexList & list, bool status);
+
+    QStringList getSubfoldersNames(const QModelIndex & mi);
+
+    void fetchMoreFromDB(const QModelIndex & parent);
+
+    QModelIndex addFolderAtParent(const QString & folderName, const QModelIndex & parent);
+
+    enum Columns {
+        Name = 0,
+        Path = 1,
+        Finished = 2,
+        Completed = 3
+    };//id INTEGER PRIMARY KEY, parentId INTEGER NOT NULL, name TEXT NOT NULL, path TEXT NOT NULL
+
+    enum Roles {
+        FinishedRole = Qt::UserRole + 1,
+        CompletedRole
+    };
+
+public slots:
+    void deleteFolder(const QModelIndex & mi);
+
+private:
+	void setupModelData( QSqlQuery &sqlquery, FolderItem *parent);
+    void updateFolderModelData( QSqlQuery &sqlquery, FolderItem *parent);
+
+	FolderItem *rootItem; //el árbol
+	QMap<unsigned long long int, FolderItem *> items; //relación entre folders
+
+	QString _databasePath;
+
+signals:
+	void beforeReset();
+	void reset();
+};
+//! [0]
+
+#endif