src/Gui/LoadablePartWidget.h

   1 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
   2
   3    This file is part of the Trojita Qt IMAP e-mail client,
   4    http://trojita.flaska.net/
   5
   6    This program is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU General Public License as
   8    published by the Free Software Foundation; either version 2 of
   9    the License or (at your option) version 3 or any later version
  10    accepted by the membership of KDE e.V. (or its successor approved
  11    by the membership of KDE e.V.), which shall act as a proxy
  12    defined in Section 14 of version 3 of the license.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22 #ifndef LOADABLEPARTWIDGET_H
  23 #define LOADABLEPARTWIDGET_H
  24
  25 #include <QPersistentModelIndex>
  26 #include <QStackedWidget>
  27
  28 #include "Gui/AbstractPartWidget.h"
  29 #include "Gui/PartWalker.h"
  30
  31 class QPushButton;
  32
  33 namespace Gui
  34 {
  35
  36 class MessageView;
  37
  38 /** @short Widget which implements delayed loading of message parts
  39
  40   This class supports two modes of loading, either a "click-through" one for loading message parts
  41   on demand after the user clicks a button, or an "automated" mode where the data are loaded after
  42   this widget becomes visible.
  43
  44 */
  45 class LoadablePartWidget : public QStackedWidget, public AbstractPartWidget
  46 {
  47     Q_OBJECT
  48 public:
  49     LoadablePartWidget(QWidget *parent, Imap::Network::MsgPartNetAccessManager *manager, const QModelIndex &part,
  50                        PartWidgetFactory *factory, int recursionDepth,
  51                        const UiUtils::PartLoadingOptions loadingMode);
  52     QString quoteMe() const override;
  53     virtual bool searchDialogRequested() override;
  54     virtual void reloadContents() override;
  55     virtual void zoomIn() override;
  56     virtual void zoomOut() override;
  57     virtual void zoomOriginal() override;
  58 protected:
  59     virtual void showEvent(QShowEvent *event) override;
  60 private slots:
  61     void loadClicked();
  62 private:
  63     Imap::Network::MsgPartNetAccessManager *manager;
  64     QPersistentModelIndex partIndex;
  65     PartWidgetFactory *m_factory;
  66     int m_recursionDepth;
  67     UiUtils::PartLoadingOptions m_loadingMode;
  68     QWidget *realPart;
  69     QPushButton *loadButton;
  70     bool m_loadOnShow;
  71
  72     LoadablePartWidget(const LoadablePartWidget &); // don't implement
  73     LoadablePartWidget &operator=(const LoadablePartWidget &); // don't implement
  74 };
  75
  76 }
  77
  78 #endif // LOADABLEPARTWIDGET_H