#include <QClipboard>
#include <QGraphicsSceneMouseEvent>
#include <QPersistentModelIndex>
+#include <QWebView>
#include "chatitem.h"
#include "chatline.h"
if(model->rowCount() > 0)
rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+
+#ifdef HAVE_WEBKIT
+ webPreview.delayTimer.setSingleShot(true);
+ connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreviewEvent()));
+ webPreview.deleteTimer.setInterval(600000);
+ connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
+#endif
}
ChatScene::~ChatScene() {
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
-
- clearWebPreview();
-
// QModelIndex sidx = model()->index(start, 0);
// QModelIndex eidx = model()->index(end, 0);
// qDebug() << "rowsInserted" << start << end << "-" << sidx.data(MessageModel::MsgIdRole).value<MsgId>() << eidx.data(MessageModel::MsgIdRole).value<MsgId>();
QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
- for(int i = start; i <= end; i++) {
- ChatLine *line = new ChatLine(i, model(),
- width,
- timestampWidth, senderWidth, contentsWidth,
- senderPos, contentsPos);
- if(atTop) {
+ if(atTop) {
+ for(int i = end; i >= start; i--) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
h += line->height();
line->setPos(0, y-h);
- } else {
+ _lines.insert(start, line);
+ addItem(line);
+ }
+ } else {
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
line->setPos(0, y+h);
h += line->height();
+ _lines.insert(i, line);
+ addItem(line);
}
- _lines.insert(i, line);
- addItem(line);
}
// update existing items
moveEnd = end;
} else {
// move bottom part
- moveStart = start;
+ moveStart = end + 1;
}
ChatLine *line = 0;
for(int i = moveStart; i <= moveEnd; i++) {
}
}
+ // check if all went right
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
+
if(!atBottom) {
if(start < _firstLineRow) {
int prevFirstLineRow = _firstLineRow + (end - start + 1);
_firstLineRow = -1;
}
updateSceneRect();
- if(atBottom) {
- emit lastLineChanged(_lines.last());
+ if(atBottom || (!atTop && !moveTop)) {
+ emit lastLineChanged(_lines.last(), h);
}
-
}
void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
Q_UNUSED(parent);
- clearWebPreview();
-
qreal h = 0; // total height of removed items;
bool atTop = (start == 0);
}
}
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
// update sceneRect
// when searching for the first non-date-line we have to take into account that our
// clock_t startT = clock();
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ setItemIndexMethod(QGraphicsScene::NoIndex);
+
qreal linePos = _sceneRect.y() + _sceneRect.height();
QList<ChatLine *>::iterator lineIter = _lines.end();
QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
line->setPos(0, linePos);
}
}
+ setItemIndexMethod(QGraphicsScene::BspTreeIndex);
updateSceneRect(width);
setHandleXLimits();
void ChatScene::updateSceneRect(const QRectF &rect) {
_sceneRect = rect;
setSceneRect(rect);
+ update();
}
+void ChatScene::customEvent(QEvent *event) {
+ switch(event->type()) {
+ default:
+ return;
+ }
+}
void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
#ifndef HAVE_WEBKIT
if(webPreview.url != url) {
webPreview.url = url;
// load a new web view and delete the old one (if exists)
- if(webPreview.previewItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
removeItem(webPreview.previewItem);
delete webPreview.previewItem;
}
webPreview.previewItem = new WebPreviewItem(url);
- addItem(webPreview.previewItem);
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
+ } else if(webPreview.previewItem && !webPreview.previewItem->scene()) {
+ // we just have to readd the item to the scene
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
}
if(webPreview.urlRect != urlRect) {
webPreview.urlRect = urlRect;
#endif
}
+void ChatScene::showWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem)
+ addItem(webPreview.previewItem);
+#endif
+}
+
void ChatScene::clearWebPreview(ChatItem *parentItem) {
#ifndef HAVE_WEBKIT
Q_UNUSED(parentItem)
#else
if(parentItem == 0 || webPreview.parentItem == parentItem) {
- if(webPreview.previewItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
removeItem(webPreview.previewItem);
- delete webPreview.previewItem;
- webPreview.previewItem = 0;
+ webPreview.deleteTimer.start();
}
- webPreview.parentItem = 0;
- webPreview.url = QString();
- webPreview.urlRect = QRectF();
+ webPreview.delayTimer.stop();
+ }
+#endif
+}
+
+void ChatScene::deleteWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem) {
+ delete webPreview.previewItem;
+ webPreview.previewItem = 0;
}
+ webPreview.parentItem = 0;
+ webPreview.url = QString();
+ webPreview.urlRect = QRectF();
#endif
}