The WebPreviews are now controlled via a neat state machine

[quassel.git] / src / qtui / chatscene.h

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index b40561e..3ec77f5 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -1,5 +1,5 @@
 /***************************************************************************
 /***************************************************************************

- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *

  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *


@@ -62,8 +62,8 @@ public:
 
   enum ClickMode {
     NoClick,
 
   enum ClickMode {
     NoClick,

-    SingleClick,

     DragStartClick,
     DragStartClick,

+    SingleClick,

     DoubleClick,
     TripleClick
   };
     DoubleClick,
     TripleClick
   };


@@ -72,6 +72,7 @@ public:
   virtual ~ChatScene();
 
   inline QAbstractItemModel *model() const { return _model; }
   virtual ~ChatScene();
 
   inline QAbstractItemModel *model() const { return _model; }

+  inline MessageFilter *filter() const { return qobject_cast<MessageFilter*>(_model); }

   inline QString idString() const { return _idString; }
 
   int rowByScenePos(qreal y) const;
   inline QString idString() const { return _idString; }
 
   int rowByScenePos(qreal y) const;


@@ -81,10 +82,11 @@ public:
 
   ChatView *chatView() const;
   ChatItem *chatItemAt(const QPointF &pos) const;
 
   ChatView *chatView() const;
   ChatItem *chatItemAt(const QPointF &pos) const;

+  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }

 
 

-  inline bool isSingleBufferScene() const { return _singleBufferScene; }
+  inline bool isSingleBufferScene() const { return _singleBufferId.isValid(); }
+  inline BufferId singleBufferId() const { return _singleBufferId; }

   bool containsBuffer(const BufferId &id) const;
   bool containsBuffer(const BufferId &id) const;

-  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }

 
   ColumnHandleItem *firstColumnHandle() const;
   ColumnHandleItem *secondColumnHandle() const;
 
   ColumnHandleItem *firstColumnHandle() const;
   ColumnHandleItem *secondColumnHandle() const;


@@ -118,8 +120,10 @@ public:
 
   void requestBacklog();
 
 
   void requestBacklog();
 

+#ifdef HAVE_WEBKIT

   void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
   void clearWebPreview(ChatItem *parentItem = 0);
   void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
   void clearWebPreview(ChatItem *parentItem = 0);

+#endif

 
 signals:
   void lastLineChanged(QGraphicsItem *item, qreal offset);
 
 signals:
   void lastLineChanged(QGraphicsItem *item, qreal offset);


@@ -141,8 +145,9 @@ protected slots:
 private slots:
   void firstHandlePositionChanged(qreal xpos);
   void secondHandlePositionChanged(qreal xpos);
 private slots:
   void firstHandlePositionChanged(qreal xpos);
   void secondHandlePositionChanged(qreal xpos);

-  void showWebPreviewEvent();
-  void deleteWebPreviewEvent();
+#ifdef HAVE_WEBKIT
+  void webPreviewNextStep();
+#endif

   void showWebPreviewChanged();
 
   void clickTimeout();
   void showWebPreviewChanged();
 
   void clickTimeout();


@@ -155,7 +160,7 @@ private:
   QString _idString;
   QAbstractItemModel *_model;
   QList<ChatLine *> _lines;
   QString _idString;
   QAbstractItemModel *_model;
   QList<ChatLine *> _lines;

-  bool _singleBufferScene;
+  BufferId _singleBufferId;

 
   // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
   // we store the size in a member variable.
 
   // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
   // we store the size in a member variable.


@@ -185,16 +190,25 @@ private:
 
   bool _showWebPreview;
 
 
   bool _showWebPreview;
 

+#ifdef HAVE_WEBKIT

   struct WebPreview {
   struct WebPreview {

+    enum PreviewState {
+      NoPreview,
+      NewPreview,
+      DelayPreview,
+      ShowPreview,
+      HidePreview
+    };

     ChatItem *parentItem;
     QGraphicsItem *previewItem;
     QString url;
     QRectF urlRect;
     ChatItem *parentItem;
     QGraphicsItem *previewItem;
     QString url;
     QRectF urlRect;

-    QTimer delayTimer;
-    QTimer deleteTimer;
-    WebPreview() : parentItem(0), previewItem(0) {}
+    PreviewState previewState;
+    QTimer timer;
+    WebPreview() : parentItem(0), previewItem(0), previewState(NoPreview) {}

   };
   WebPreview webPreview;
   };
   WebPreview webPreview;

+#endif // HAVE_WEBKIT

 };
 
 #endif
 };
 
 #endif