photo and video overview rewritten on layouts

Telegram/Resources/style.txt

@@ -2011,6 +2011,11 @@ botKbScroll: flatScroll(solidScroll) {
 	width: 10px;
 }
 
+minPhotoSize: 104px;
+maxMediaSize: 420px;
+maxStickerSize: 256px;
+maxGifSize: 320px;
+
 mvBgColor: #222;
 mvBgOpacity: 0.92;
 mvThickFont: semiboldFont;
@@ -2132,7 +2137,8 @@ medviewSaveMsg: #000000b2;
 mvTransparentBrush: sprite(9px, 124px, 8px, 8px);
 
 overviewPhotoSkip: 10px;
-overviewPhotoMinSize: 100px;
+overviewPhotoBg: #F1F1F1;
+overviewPhotoMinSize: minPhotoSize;
 overviewPhotoCheck: sprite(245px, 308px, 32px, 32px);
 overviewPhotoChecked: sprite(278px, 308px, 32px, 32px);
 overviewPhotoSelectOverlay: #0a7bb03f;
@@ -2193,11 +2199,6 @@ mediaviewLoader: size(78px, 33px);
 mediaviewLoaderPoint: size(9px, 9px);
 mediaviewLoaderSkip: 9px;
 
-minPhotoSize: 104px;
-maxMediaSize: 420px;
-maxStickerSize: 256px;
-maxGifSize: 320px;
-
 downloadPathSkip: 10px;
 
 usernamePadding: margins(23px, 22px, 21px, 12px);

Telegram/SourceFiles/history.cpp

@@ -3026,8 +3026,8 @@ HistoryItem *regItem(HistoryItem *item, bool returnExisting) {
 	return item;
 }
 
-RadialAnimation::RadialAnimation(int32 thickness, AnimationCallbacks *callbacks) : _thickness(thickness)
-, _firstStart(0)
+RadialAnimation::RadialAnimation(AnimationCallbacks *callbacks)
+: _firstStart(0)
 , _lastStart(0)
 , _lastTime(0)
 , _opacity(0)
@@ -3078,12 +3078,12 @@ void RadialAnimation::step(uint64 ms) {
 	_animation.step(ms);
 }
 
-void RadialAnimation::draw(Painter &p, const QRect &inner, const style::color &color) {
+void RadialAnimation::draw(Painter &p, const QRect &inner, int32 thickness, const style::color &color) {
 	float64 o = p.opacity();
 	p.setOpacity(o * _opacity);
 
 	QPen pen(color->p), was(p.pen());
-	pen.setWidth(_thickness);
+	pen.setWidth(thickness);
 	p.setPen(pen);
 
 	int32 len = MinArcLength + a_arcEnd.current();
@@ -3651,7 +3651,7 @@ void HistoryVideo::draw(Painter &p, const HistoryItem *parent, const QRect &r, b
 	p.drawSpriteCenter(inner, icon);
 	if (radial) {
 		QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
-		_animation->radial.draw(p, rinner, selected ? st::msgInBgSelected : st::msgInBg);
+		_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
 	}
 
 	int32 statusX = skipx + st::msgDateImgDelta + st::msgDateImgPadding.x(), statusY = skipy + st::msgDateImgDelta + st::msgDateImgPadding.y();
@@ -3836,7 +3836,7 @@ void HistoryAudio::draw(Painter &p, const HistoryItem *parent, const QRect &r, b
 	if (radial) {
 		QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
 		style::color bg(outbg ? (selected ? st::msgOutBgSelected : st::msgOutBg) : (selected ? st::msgInBgSelected : st::msgInBg));
-		_animation->radial.draw(p, rinner, bg);
+		_animation->radial.draw(p, rinner, st::msgFileRadialLine, bg);
 	}
 
 	style::sprite icon;
@@ -4091,7 +4091,7 @@ void HistoryDocument::draw(Painter &p, const HistoryItem *parent, const QRect &r
 				p.setOpacity(1);
 
 				QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
-				_animation->radial.draw(p, rinner, selected ? st::msgInBgSelected : st::msgInBg);
+				_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
 			}
 		}
 
@@ -4127,7 +4127,7 @@ void HistoryDocument::draw(Painter &p, const HistoryItem *parent, const QRect &r
 		if (radial) {
 			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
 			style::color bg(outbg ? (selected ? st::msgOutBgSelected : st::msgOutBg) : (selected ? st::msgInBgSelected : st::msgInBg));
-			_animation->radial.draw(p, rinner, bg);
+			_animation->radial.draw(p, rinner, st::msgFileRadialLine, bg);
 		}
 
 		style::sprite icon;
@@ -4485,7 +4485,7 @@ void HistoryGif::draw(Painter &p, const HistoryItem *parent, const QRect &r, boo
 		p.drawSpriteCenter(inner, icon);
 		if (radial) {
 			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
-			_animation->radial.draw(p, rinner, selected ? st::msgInBgSelected : st::msgInBg);
+			_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
 		}
 
 		if (!animating) {

Telegram/SourceFiles/history.h

@@ -1106,7 +1106,7 @@ HistoryItem *regItem(HistoryItem *item, bool returnExisting = false);
 class RadialAnimation {
 public:
 
-	RadialAnimation(int32 thickness, AnimationCallbacks *callbacks);
+	RadialAnimation(AnimationCallbacks *callbacks);
 
 	float64 opacity() const {
 		return _opacity;
@@ -1124,11 +1124,10 @@ public:
 		step(getms());
 	}
 
-	void draw(Painter &p, const QRect &inner, const style::color &color);
+	void draw(Painter &p, const QRect &inner, int32 thickness, const style::color &color);
 
 private:
 
-	int32 _thickness;
 	uint64 _firstStart, _lastStart, _lastTime;
 	float64 _opacity;
 	anim::ivalue a_arcEnd, a_arcStart;
@@ -1341,7 +1340,7 @@ protected:
 	struct AnimationData {
 		AnimationData(AnimationCallbacks *thumbOverCallbacks, AnimationCallbacks *radialCallbacks) : a_thumbOver(0, 0)
 			, _a_thumbOver(thumbOverCallbacks)
-			, radial(st::msgFileRadialLine, radialCallbacks) {
+			, radial(radialCallbacks) {
 		}
 		anim::fvalue a_thumbOver;
 		Animation _a_thumbOver;

Telegram/SourceFiles/layout.cpp

@@ -203,14 +203,14 @@ RoundCorners documentCorners(int32 colorIndex) {
 }
 
 void LayoutRadialProgressItem::linkOver(const TextLinkPtr &lnk) {
-	if (lnk == _savel || lnk == _cancell) {
+	if (lnk == _openl || lnk == _savel || lnk == _cancell) {
 		a_iconOver.start(1);
 		_a_iconOver.start();
 	}
 }
 
 void LayoutRadialProgressItem::linkOut(const TextLinkPtr &lnk) {
-	if (lnk == _savel || lnk == _cancell) {
+	if (lnk == _openl || lnk == _savel || lnk == _cancell) {
 		a_iconOver.start(0);
 		_a_iconOver.start();
 	}
@@ -247,9 +247,7 @@ void LayoutRadialProgressItem::step_radial(uint64 ms, bool timer) {
 
 void LayoutRadialProgressItem::ensureRadial() const {
 	if (!_radial) {
-		_radial = new RadialAnimation(
-			st::msgFileRadialLine,
-			animation(const_cast<LayoutRadialProgressItem*>(this), &LayoutRadialProgressItem::step_radial));
+		_radial = new RadialAnimation(animation(const_cast<LayoutRadialProgressItem*>(this), &LayoutRadialProgressItem::step_radial));
 	}
 }
 
@@ -293,7 +291,7 @@ void LayoutOverviewDate::initDimensions() {
 	_minh = st::linksDateMargin + st::normalFont->height + st::linksDateMargin + st::linksBorder;
 }
 
-void LayoutOverviewDate::paint(Painter &p, const QRect &clip, uint32 selection, uint64 ms) const {
+void LayoutOverviewDate::paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const {
 	if (clip.intersects(QRect(0, st::linksDateMargin, _width, st::normalFont->height))) {
 		p.setPen(st::linksDateColor);
 		p.setFont(st::normalFont);
@@ -301,6 +299,215 @@ void LayoutOverviewDate::paint(Painter &p, const QRect &clip, uint32 selection,
 	}
 }
 
+LayoutOverviewPhoto::LayoutOverviewPhoto(PhotoData *photo, HistoryItem *parent) : LayoutMediaItem(parent)
+, _data(photo)
+, _link(new PhotoLink(photo))
+, _goodLoaded(false) {
+
+}
+
+void LayoutOverviewPhoto::paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const {
+	bool good = _data->full->loaded();
+	if (!good) {
+		_data->medium->load(false, false);
+		good = _data->medium->loaded();
+	}
+	if ((good && !_goodLoaded) || _pix.width() != _width * cIntRetinaFactor()) {
+		_goodLoaded = good;
+
+		int32 size = _width * cIntRetinaFactor();
+		if (_goodLoaded || _data->thumb->loaded()) {
+			QImage img = (_data->full->loaded() ? _data->full : (_data->medium->loaded() ? _data->medium : _data->thumb))->pix().toImage();
+			if (!_goodLoaded) {
+				img = imageBlur(img);
+			}
+			if (img.width() == img.height()) {
+				if (img.width() != _width) {
+					img = img.scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+				}
+			} else if (img.width() > img.height()) {
+				img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+			} else {
+				img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+			}
+			img.setDevicePixelRatio(cRetinaFactor());
+			_data->forget();
+
+			_pix = QPixmap::fromImage(img, Qt::ColorOnly);
+		} else if (!_pix.isNull()) {
+			_pix = QPixmap();
+		}
+	}
+
+	if (_pix.isNull()) {
+		p.fillRect(0, 0, _width, _height, st::overviewPhotoBg);
+	} else {
+		p.drawPixmap(0, 0, _pix);
+	}
+
+	if (selection == FullSelection) {
+		p.fillRect(QRect(0, 0, _width, _height), st::overviewPhotoSelectOverlay);
+		p.drawSprite(QPoint(rtl() ? 0 : (_width - st::overviewPhotoChecked.pxWidth()), _height - st::overviewPhotoChecked.pxHeight()), st::overviewPhotoChecked);
+	} else if (context->selecting) {
+		p.drawSprite(QPoint(rtl() ? 0 : (_width - st::overviewPhotoCheck.pxWidth()), _height - st::overviewPhotoCheck.pxHeight()), st::overviewPhotoCheck);
+	}
+}
+
+void LayoutOverviewPhoto::getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const {
+	if (hasPoint(x, y)) {
+		link = _link;
+	}
+}
+
+LayoutOverviewVideo::LayoutOverviewVideo(VideoData *video, HistoryItem *parent) : LayoutAbstractFileItem(parent)
+, _data(video)
+, _duration(formatDurationText(_data->duration))
+, _thumbLoaded(false) {
+	setLinks(new VideoOpenLink(_data), new VideoSaveLink(_data), new VideoCancelLink(_data));
+}
+
+void LayoutOverviewVideo::paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const {
+	bool selected = (selection == FullSelection), thumbLoaded = _data->thumb->loaded();
+	bool already = !_data->already().isEmpty();
+	if (_data->loader) {
+		ensureRadial();
+		if (!_radial->animating()) {
+			_radial->start(_data->progress());
+		}
+	}
+	updateStatusText();
+	bool radial = isRadialAnimation(context->ms);
+
+	if ((thumbLoaded && !_thumbLoaded) || (_pix.width() != _width * cIntRetinaFactor())) {
+		_thumbLoaded = thumbLoaded;
+
+		if (_thumbLoaded && !_data->thumb->isNull()) {
+			int32 size = _width * cIntRetinaFactor();
+			QImage img = _data->thumb->pix().toImage();
+			img = imageBlur(img);
+			if (img.width() == img.height()) {
+				if (img.width() != _width) {
+					img = img.scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+				}
+			} else if (img.width() > img.height()) {
+				img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+			} else {
+				img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(_width, _width, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+			}
+			img.setDevicePixelRatio(cRetinaFactor());
+			_data->forget();
+
+			_pix = QPixmap::fromImage(img, Qt::ColorOnly);
+		} else if (!_pix.isNull()) {
+			_pix = QPixmap();
+		}
+	}
+
+	if (_pix.isNull()) {
+		p.fillRect(0, 0, _width, _height, st::overviewPhotoBg);
+	} else {
+		p.drawPixmap(0, 0, _pix);
+	}
+
+	if (selected) {
+		p.fillRect(QRect(0, 0, _width, _height), st::overviewPhotoSelectOverlay);
+	}
+
+	if (clip.intersects(QRect(0, _height - st::normalFont->height, _width, st::normalFont->height))) {
+		int32 statusX = st::msgDateImgPadding.x(), statusY = _height - st::normalFont->height - st::msgDateImgPadding.y();
+		int32 statusW = st::normalFont->width(_statusText) + 2 * st::msgDateImgPadding.x();
+		int32 statusH = st::normalFont->height + 2 * st::msgDateImgPadding.y();
+		statusX = _width - statusW + statusX;
+		p.fillRect(rtlrect(statusX - st::msgDateImgPadding.x(), statusY - st::msgDateImgPadding.y(), statusW, statusH, _width), selected ? st::msgDateImgBgSelected : st::msgDateImgBg);
+		p.setFont(st::normalFont);
+		p.setPen(st::white);
+		p.drawTextLeft(statusX, statusY, _width, _statusText, statusW - 2 * st::msgDateImgPadding.x());
+	}
+	if (clip.intersects(QRect(0, 0, _width, st::normalFont->height))) {
+		int32 statusX = st::msgDateImgPadding.x(), statusY = st::msgDateImgPadding.y();
+		int32 statusW = st::normalFont->width(_duration) + 2 * st::msgDateImgPadding.x();
+		int32 statusH = st::normalFont->height + 2 * st::msgDateImgPadding.y();
+		p.fillRect(rtlrect(statusX - st::msgDateImgPadding.x(), statusY - st::msgDateImgPadding.y(), statusW, statusH, _width), selected ? st::msgDateImgBgSelected : st::msgDateImgBg);
+		p.setFont(st::normalFont);
+		p.setPen(st::white);
+		p.drawTextLeft(statusX, statusY, _width, _duration, statusW - 2 * st::msgDateImgPadding.x());
+	}
+
+	QRect inner((_width - st::msgFileSize) / 2, (_height - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
+	if (clip.intersects(inner)) {
+		p.setPen(Qt::NoPen);
+		if (selected) {
+			p.setBrush(st::msgDateImgBgSelected);
+		} else if (_a_iconOver.animating()) {
+			_a_iconOver.step(context->ms);
+			float64 over = a_iconOver.current();
+			p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
+			p.setBrush(st::black);
+		} else {
+			bool over = textlnkDrawOver(already ? _openl : (_data->loader ? _cancell : _savel));
+			p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
+		}
+
+		p.setRenderHint(QPainter::HighQualityAntialiasing);
+		p.drawEllipse(inner);
+		p.setRenderHint(QPainter::HighQualityAntialiasing, false);
+
+		style::sprite icon;
+		if (radial) {
+			icon = (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
+		} else if (already) {
+			icon = (selected ? st::msgFileInPlaySelected : st::msgFileInPlay);
+		} else {
+			icon = (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
+		}
+		p.setOpacity(radial ? _radial->opacity() : 1);
+		p.drawSpriteCenter(inner, icon);
+		if (radial) {
+			p.setOpacity(1);
+
+			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
+			_radial->draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
+		}
+	}
+
+	if (selected) {
+		p.drawSprite(QPoint(rtl() ? 0 : (_width - st::overviewPhotoChecked.pxWidth()), _height - st::overviewPhotoChecked.pxHeight()), st::overviewPhotoChecked);
+	} else if (context->selecting) {
+		p.drawSprite(QPoint(rtl() ? 0 : (_width - st::overviewPhotoCheck.pxWidth()), _height - st::overviewPhotoCheck.pxHeight()), st::overviewPhotoCheck);
+	}
+}
+
+void LayoutOverviewVideo::getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const {
+	if (hasPoint(x, y)) {
+		link = _data->already().isEmpty() ? (_data->loader ? _cancell : _savel) : _openl;
+	}
+}
+
+void LayoutOverviewVideo::updateStatusText() const {
+	bool showPause = false;
+	int32 statusSize = 0;
+	if (_data->status == FileDownloadFailed || _data->status == FileUploadFailed) {
+		statusSize = FileStatusSizeFailed;
+	} else if (_data->status == FileUploading) {
+		statusSize = _data->uploadOffset;
+	} else if (_data->loader) {
+		statusSize = _data->loader->currentOffset();
+	} else if (!_data->already().isEmpty()) {
+		statusSize = FileStatusSizeLoaded;
+	} else {
+		statusSize = FileStatusSizeReady;
+	}
+	if (statusSize != _statusSize) {
+		int32 status = statusSize, size = _data->size;
+		if (statusSize >= 0 && statusSize < 0x7F000000) {
+			size = status;
+			status = FileStatusSizeReady;
+		}
+		setStatusSize(status, size, -1, 0);
+		_statusSize = statusSize;
+	}
+}
+
 LayoutOverviewDocument::LayoutOverviewDocument(DocumentData *document, HistoryItem *parent, int32 top) : LayoutAbstractFileItem(parent)
 , _info(top)
 , _data(document)
@@ -338,7 +545,7 @@ void LayoutOverviewDocument::initDimensions() {
 	_minh = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom() + st::lineWidth;
 }
 
-void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selection, uint64 ms) const {
+void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const {
 	bool selected = (selection == FullSelection);
 	bool already = !_data->already().isEmpty(), hasdata = !_data->data.isEmpty();
 	if (_data->loader) {
@@ -348,7 +555,7 @@ void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selecti
 		}
 	}
 	updateStatusText();
-	bool radial = isRadialAnimation(ms);
+	bool radial = isRadialAnimation(context->ms);
 
 	int32 nameleft = 0, nametop = 0, nameright = 0, statustop = 0, linktop = 0;
 	bool wthumb = withThumb();
@@ -386,7 +593,6 @@ void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selecti
 		}
 		if (selected) {
 			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
-			p.drawSprite(rthumb.topLeft() + QPoint(rtl() ? 0 : (rthumb.width() - st::linksPhotoCheck.pxWidth()), rthumb.height() - st::linksPhotoCheck.pxHeight()), st::linksPhotoChecked);
 		}
 
 		if (!radial && (already || hasdata)) {
@@ -400,7 +606,7 @@ void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selecti
 					p.setOpacity(st::msgDateImgBg->c.alphaF() * _radial->opacity());
 					p.setBrush(st::black);
 				} else if (_a_iconOver.animating()) {
-					_a_iconOver.step(ms);
+					_a_iconOver.step(context->ms);
 					float64 over = a_iconOver.current();
 					p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
 					p.setBrush(st::black);
@@ -425,10 +631,15 @@ void LayoutOverviewDocument::paint(Painter &p, const QRect &clip, uint32 selecti
 					p.setOpacity(1);
 
 					QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
-					_radial->draw(p, rinner, selected ? st::msgInBgSelected : st::msgInBg);
+					_radial->draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
 				}
 			}
 		}
+		if (selected) {
+			p.drawSprite(rthumb.topLeft() + QPoint(rtl() ? 0 : (rthumb.width() - st::linksPhotoChecked.pxWidth()), rthumb.height() - st::linksPhotoChecked.pxHeight()), st::linksPhotoChecked);
+		} else if (context->selecting) {
+			p.drawSprite(rthumb.topLeft() + QPoint(rtl() ? 0 : (rthumb.width() - st::linksPhotoCheck.pxWidth()), rthumb.height() - st::linksPhotoCheck.pxHeight()), st::linksPhotoCheck);
+		}
 	}
 
 	int32 namewidth = _width - nameleft - nameright;

Telegram/SourceFiles/layout.h

@@ -81,6 +81,16 @@ RoundCorners documentCorners(int32 colorIndex);
 class LayoutMediaItem;
 class OverviewItemInfo;
 
+class PaintContext {
+public:
+
+	PaintContext(uint64 ms, bool selecting) : ms(ms), selecting(selecting) {
+	}
+	uint64 ms;
+	bool selecting;
+
+};
+
 class LayoutItem {
 public:
 	LayoutItem() : _maxw(0), _minh(0) {
@@ -99,7 +109,7 @@ public:
 		return _height;
 	}
 
-	virtual void paint(Painter &p, const QRect &clip, uint32 selection, uint64 ms) const = 0;
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const = 0;
 	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const {
 		link = TextLinkPtr();
 		cursor = HistoryDefaultCursorState;
@@ -264,7 +274,7 @@ public:
 	LayoutOverviewDate(const QDate &date, int32 top);
 	
 	virtual void initDimensions();
-	virtual void paint(Painter &p, const QRect &clip, uint32 selection, uint64 ms) const;
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
 
 	virtual OverviewItemInfo *getOverviewItemInfo() {
 		return &_info;
@@ -281,12 +291,120 @@ private:
 
 };
 
+class LayoutOverviewPhoto : public LayoutMediaItem {
+public:
+	LayoutOverviewPhoto(PhotoData *photo, HistoryItem *parent);
+
+	virtual void initDimensions() {
+		_maxw = 2 * st::overviewPhotoMinSize;
+		_minh = _maxw;
+	}
+	virtual int32 resizeGetHeight(int32 width) {
+		width = qMin(width, _maxw);
+		if (width != _width || width != _height) {
+			_width = qMin(width, _maxw);
+			_height = _width;
+		}
+		return _height;
+	}
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
+	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const;
+
+private:
+	PhotoData *_data;
+	TextLinkPtr _link;
+
+	mutable QPixmap _pix;
+	mutable bool _goodLoaded;
+
+};
+
+class LayoutOverviewVideo : public LayoutAbstractFileItem {
+public:
+	LayoutOverviewVideo(VideoData *photo, HistoryItem *parent);
+
+	virtual void initDimensions() {
+		_maxw = 2 * st::minPhotoSize;
+		_minh = _maxw;
+	}
+	virtual int32 resizeGetHeight(int32 width) {
+		_width = qMin(width, _maxw);
+		_height = _width;
+		return _height;
+	}
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
+	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const;
+
+protected:
+	virtual float64 dataProgress() const {
+		return _data->progress();
+	}
+	virtual bool dataFinished() const {
+		return !_data->loader;
+	}
+	virtual bool dataLoaded() const {
+		return !_data->already().isEmpty();
+	}
+	virtual bool iconAnimated() const {
+		return true;
+	}
+
+private:
+	VideoData *_data;
+
+	QString _duration;
+	mutable QPixmap _pix;
+	mutable bool _thumbLoaded;
+
+	void updateStatusText() const;
+
+};
+
+class LayoutOverviewAudio : public LayoutAbstractFileItem {
+public:
+	LayoutOverviewAudio(AudioData *audio, HistoryItem *parent, int32 top);
+
+	virtual void initDimensions();
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
+	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const;
+
+	virtual OverviewItemInfo *getOverviewItemInfo() {
+		return &_info;
+	}
+	virtual const OverviewItemInfo *getOverviewItemInfo() const {
+		return &_info;
+	}
+
+protected:
+	virtual float64 dataProgress() const {
+		return _data->progress();
+	}
+	virtual bool dataFinished() const {
+		return !_data->loader;
+	}
+	virtual bool dataLoaded() const {
+		return !_data->already().isEmpty() || !_data->data.isEmpty();
+	}
+	virtual bool iconAnimated() const {
+		return !dataLoaded() || (_radial && _radial->animating());
+	}
+
+private:
+	OverviewItemInfo _info;
+	AudioData *_data;
+
+	Text _name, _details;
+
+	void updateStatusText() const;
+
+};
+
 class LayoutOverviewDocument : public LayoutAbstractFileItem {
 public:
 	LayoutOverviewDocument(DocumentData *document, HistoryItem *parent, int32 top);
 
 	virtual void initDimensions();
-	virtual void paint(Painter &p, const QRect &clip, uint32 selection, uint64 ms) const;
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
 	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const;
 
 	virtual DocumentData *getDocument() const {
@@ -328,3 +446,44 @@ private:
 	void updateStatusText() const;
 
 };
+
+class LayoutOverviewLink : public LayoutMediaItem {
+public:
+	LayoutOverviewLink(HistoryItem *parent, int32 top);
+
+	virtual void initDimensions();
+	virtual void paint(Painter &p, const QRect &clip, uint32 selection, const PaintContext *context) const;
+	virtual void getState(TextLinkPtr &link, HistoryCursorState &cursor, int32 x, int32 y) const;
+
+	virtual OverviewItemInfo *getOverviewItemInfo() {
+		return &_info;
+	}
+	virtual const OverviewItemInfo *getOverviewItemInfo() const {
+		return &_info;
+	}
+
+private:
+	OverviewItemInfo _info;
+	TextLinkPtr _msgl;
+
+	QString title, letter;
+	int32 titleWidth;
+	WebPageData *page;
+	int32 pixw, pixh;
+	Text text;
+
+	struct Link {
+		Link() : width(0) {
+		}
+		Link(const QString &url, const QString &text)
+			: text(text)
+			, width(st::normalFont->width(text))
+			, lnk(new TextLink(url)) {
+		}
+		QString text;
+		int32 width;
+		TextLinkPtr lnk;
+	};
+	QVector<Link> urls;
+
+};

Telegram/SourceFiles/mainwidget.cpp

@@ -788,6 +788,7 @@ void MainWidget::ui_redrawHistoryItem(const HistoryItem *item) {
 
 void MainWidget::notify_historyItemLayoutChanged(const HistoryItem *item) {
 	history.notify_historyItemLayoutChanged(item);
+	if (overview) overview->notify_historyItemLayoutChanged(item);
 }
 
 void MainWidget::notify_historyItemResized(const HistoryItem *item, bool scrollToIt) {

Telegram/SourceFiles/overviewwidget.cpp

@@ -143,15 +143,16 @@ OverviewInner::OverviewInner(OverviewWidget *overview, ScrollArea *scroll, PeerD
 , _resizeSkip(0)
 , _peer(peer->migrateTo() ? peer->migrateTo() : peer)
 , _type(type)
+, _reversed(_type != OverviewDocuments && _type != OverviewLinks)
 , _migrated(_peer->migrateFrom() ? App::history(_peer->migrateFrom()->id) : 0)
 , _history(App::history(_peer->id))
 , _channel(peerToChannel(_peer->id))
+, _selMode(false)
 , _rowsLeft(0)
 , _rowWidth(st::msgMinWidth)
 , _rowHeight(0)
 , _photosInRow(1)
 , _photosToAdd(0)
-, _selMode(false)
 , _search(this, st::dlgFilter, lang(lng_dlg_filter))
 , _cancelSearch(this, st::btnCancelSearch)
 , _cachedItemsToBeLoaded(LinksOverviewPerPage * 2)
@@ -292,7 +293,7 @@ int32 OverviewInner::migratedIndexSkip() const {
 void OverviewInner::fixItemIndex(int32 &current, MsgId msgId) const {
 	if (!msgId) {
 		current = -1;
-	} else if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments) {
+	} else if (_type == OverviewAudioDocuments) {
 		History *history = itemMigrated(msgId) ? _migrated : _history;
 		int32 l = history->overview[_type].size(), indexskip = migratedIndexSkip();
 		int32 index = (current >= 0 && history == _history) ? (current - indexskip) : current;
@@ -306,7 +307,7 @@ void OverviewInner::fixItemIndex(int32 &current, MsgId msgId) const {
 				}
 			}
 		}
-	} else if (_type == OverviewDocuments) {
+	} else if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewDocuments) {
 		int32 l = _items.size();
 		if (current < 0 || current >= l || complexMsgId(_items.at(current)->getItem()) != msgId) {
 			current = -1;
@@ -501,7 +502,7 @@ void OverviewInner::moveToNextItem(MsgId &msgId, int32 &index, MsgId upTo, int32
 	}
 
 	index += delta;
-	if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments) {
+	if (_type == OverviewAudioDocuments) {
 		int32 indexskip = migratedIndexSkip();
 		if (index < 0 || index >= indexskip + _history->overview[_type].size()) {
 			msgId = 0;
@@ -509,7 +510,7 @@ void OverviewInner::moveToNextItem(MsgId &msgId, int32 &index, MsgId upTo, int32
 		} else {
 			msgId = (index >= indexskip) ? _history->overview[_type][index - indexskip] : (-_migrated->overview[_type][index]);
 		}
-	} else if (_type == OverviewDocuments) {
+	} else if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewDocuments) {
 		while (index >= 0 && index < _items.size() && !_items.at(index)->toLayoutMediaItem()) {
 			index += (delta > 0) ? 1 : -1;
 		}
@@ -536,9 +537,10 @@ void OverviewInner::redrawItem(MsgId itemId, int32 itemIndex) {
 	fixItemIndex(itemIndex, itemId);
 	if (itemIndex >= 0) {
 		if (_type == OverviewPhotos || _type == OverviewVideos) {
+			int32 shownAtIndex = _items.size() - itemIndex - 1;
 			float64 w = (float64(_width - st::overviewPhotoSkip) / _photosInRow);
 			int32 vsize = (_vsize + st::overviewPhotoSkip);
-			int32 row = (_photosToAdd + itemIndex) / _photosInRow, col = (_photosToAdd + itemIndex) % _photosInRow;
+			int32 row = (_photosToAdd + shownAtIndex) / _photosInRow, col = (_photosToAdd + shownAtIndex) % _photosInRow;
 			update(int32(col * w), _addToY + int32(row * vsize), qCeil(w), vsize);
 		} else if (_type == OverviewAudioDocuments) {
 			update(_rowsLeft, _addToY + int32(itemIndex * _rowHeight), _rowWidth, _rowHeight);
@@ -916,9 +918,9 @@ void OverviewInner::addSelectionRange(int32 selFrom, int32 selTo, History *histo
 	if (selFrom < 0 || selTo < 0) return;
 	for (int32 i = selFrom; i <= selTo; ++i) {
 		MsgId msgid = 0;
-		if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments) {
+		if (_type == OverviewAudioDocuments) {
 			msgid = ((history == _history) ? 1 : -1) * history->overview[_type][i];
-		} else if (_type == OverviewDocuments) {
+		} else if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewDocuments) {
 			msgid = complexMsgId(_items.at(i)->getItem());
 		} else if (_type == OverviewLinks) {
 			msgid = _cachedItems[i].msgid;
@@ -948,7 +950,7 @@ void OverviewInner::applyDragSelection() {
 		_selected.clear();
 	}
 	int32 selfrom = _dragSelToIndex, selto = _dragSelFromIndex;
-	if (_migrated && (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments)) {
+	if (_migrated && (_type == OverviewAudioDocuments)) {
 		int32 indexskip = migratedIndexSkip();
 		if (selfrom < indexskip) {
 			if (selto < indexskip) {
@@ -978,7 +980,8 @@ QPoint OverviewInner::mapMouseToItem(QPoint p, MsgId itemId, int32 itemIndex) {
 	if (itemIndex < 0) return QPoint(0, 0);
 
 	if (_type == OverviewPhotos || _type == OverviewVideos) {
-		int32 row = (_photosToAdd + itemIndex) / _photosInRow, col = (_photosToAdd + itemIndex) % _photosInRow;
+		int32 shownAtIndex = _items.size() - itemIndex - 1;
+		int32 row = (_photosToAdd + shownAtIndex) / _photosInRow, col = (_photosToAdd + shownAtIndex) % _photosInRow;
 		float64 w = (_width - st::overviewPhotoSkip) / float64(_photosInRow);
 		p.setX(p.x() - int32(col * w) - st::overviewPhotoSkip);
 		p.setY(p.y() - _addToY - row * (_vsize + st::overviewPhotoSkip) - st::overviewPhotoSkip);
@@ -1003,7 +1006,15 @@ void OverviewInner::activate() {
 }
 
 void OverviewInner::clear() {
-	_cached.clear();
+	_selected.clear();
+	_dragItemIndex = _mousedItemIndex = _dragSelFromIndex = _dragSelToIndex = -1;
+	_dragItem = _mousedItem = _dragSelFrom = _dragSelTo = 0;
+	_lnkOverIndex = _lnkDownIndex = 0;
+	for (int32 i = 0, l = _items.size(); i != l; ++i) {
+		delete _items.at(i);
+	}
+	_items.clear();
+	_cachedItems.clear();
 }
 
 int32 OverviewInner::itemTop(const FullMsgId &msgId) const {
@@ -1046,7 +1057,7 @@ void OverviewInner::preloadMore() {
 }
 
 bool OverviewInner::preloadLocal() {
-	if (_type != OverviewLinks && _type != OverviewDocuments) return false;
+	if (_type != OverviewLinks && _type != OverviewDocuments && _type != OverviewPhotos && _type != OverviewVideos) return false;
 	if (_cachedItemsToBeLoaded >= migratedIndexSkip() + _history->overview[_type].size()) return false;
 	_cachedItemsToBeLoaded += LinksOverviewPerPage;
 	mediaOverviewUpdated();
@@ -1087,6 +1098,25 @@ QPixmap OverviewInner::genPix(VideoData *video, int32 size) {
 	return result;
 }
 
+uint32 OverviewInner::itemSelectedValue(int32 index) const {
+	int32 selfrom = -1, selto = -1;
+	if (_dragSelFromIndex >= 0 && _dragSelToIndex >= 0) {
+		selfrom = _dragSelToIndex;
+		selto = _dragSelFromIndex;
+	}
+	if (_items.at(index)->toLayoutMediaItem()) { // draw item
+		if (index >= _dragSelToIndex && index <= _dragSelFromIndex && _dragSelToIndex >= 0) {
+			return (_dragSelecting && _items.at(index)->msgId() > 0) ? FullSelection : 0;
+		} else if (!_selected.isEmpty()) {
+			SelectedItems::const_iterator j = _selected.constFind(complexMsgId(_items.at(index)->getItem()));
+			if (j != _selected.cend()) {
+				return j.value();
+			}
+		}
+	}
+	return 0;
+}
+
 void OverviewInner::paintEvent(QPaintEvent *e) {
 	if (App::wnd() && App::wnd()->contentOverlapped(this, e)) return;
 
@@ -1098,6 +1128,7 @@ void OverviewInner::paintEvent(QPaintEvent *e) {
 		p.setClipRect(r);
 	}
 	uint64 ms = getms();
+	PaintContext context(ms, _selMode);
 
 	if (_history->overview[_type].isEmpty() && (!_migrated || !_history->overviewLoaded(_type) || _migrated->overview[_type].isEmpty())) {
 		QPoint dogPos((_width - st::msgDogImg.pxWidth()) / 2, ((height() - st::msgDogImg.pxHeight()) * 4) / 9);
@@ -1120,111 +1151,21 @@ void OverviewInner::paintEvent(QPaintEvent *e) {
 	bool hasSel = !_selected.isEmpty();
 
 	if (_type == OverviewPhotos || _type == OverviewVideos) {
-		History::MediaOverview &overview(_history->overview[_type]), *migratedOverview = _migrated ? &_migrated->overview[_type] : 0;
-		int32 migratedCount = migratedIndexSkip();
-		int32 count = migratedCount + overview.size();
-		int32 rowFrom = floorclamp(r.y() - _addToY - st::overviewPhotoSkip, _vsize + st::overviewPhotoSkip, 0, count);
-		int32 rowTo = ceilclamp(r.y() + r.height() - _addToY - st::overviewPhotoSkip, _vsize + st::overviewPhotoSkip, 0, count);
+		int32 count = _items.size(), rowsCount = (_photosToAdd + count) / _photosInRow + (((_photosToAdd + count) % _photosInRow) ? 1 : 0);
+		int32 rowFrom = floorclamp(r.y() - _addToY - st::overviewPhotoSkip, _vsize + st::overviewPhotoSkip, 0, rowsCount);
+		int32 rowTo = ceilclamp(r.y() + r.height() - _addToY - st::overviewPhotoSkip, _vsize + st::overviewPhotoSkip, 0, rowsCount);
 		float64 w = float64(_width - st::overviewPhotoSkip) / _photosInRow;
 		for (int32 row = rowFrom; row < rowTo; ++row) {
 			if (row * _photosInRow >= _photosToAdd + count) break;
-			for (int32 i = 0; i < _photosInRow; ++i) {
-				int32 index = row * _photosInRow + i - _photosToAdd;
-				if (index < 0) continue;
-				if (index >= count) break;
+			for (int32 col = 0; col < _photosInRow; ++col) {
+				int32 i = count - (row * _photosInRow + col - _photosToAdd) - 1;
+				if (i < 0) continue;
+				if (i >= count) break;
 
-				bool migratedindex = (index < migratedCount);
-				int32 bareindex = migratedindex ? index : (index - migratedCount);
-
-				HistoryItem *item = App::histItemById(migratedindex ? _migrated->channelId() : _channel, (migratedindex ? *migratedOverview : overview)[bareindex]);
-				HistoryMedia *m = item ? item->getMedia(true) : 0;
-
-				QPoint pos(int32(i * w + st::overviewPhotoSkip), _addToY + row * (_vsize + st::overviewPhotoSkip) + st::overviewPhotoSkip);
-				if (m) switch (m->type()) {
-				case MediaTypePhoto: {
-					PhotoData *photo = static_cast<HistoryPhoto*>(m)->photo();
-					bool quality = photo->full->loaded();
-					if (!quality) {
-						if (photo->thumb->loaded()) {
-							photo->medium->load(false, false);
-							quality = photo->medium->loaded();
-						} else {
-							photo->thumb->load();
-						}
-					}
-					CachedSizes::iterator it = _cached.find(photo);
-					if (it == _cached.cend()) {
-						CachedSize size;
-						size.medium = quality;
-						size.vsize = _vsize;
-						size.pix = genPix(photo, _vsize);
-						it = _cached.insert(photo, size);
-					} else if (it->medium != quality || it->vsize != _vsize) {
-						it->medium = quality;
-						it->vsize = _vsize;
-						it->pix = genPix(photo, _vsize);
-					}
-					p.drawPixmap(pos, it->pix);
-					if (!quality) {
-						uint64 dt = itemAnimations().animate(item, ms);
-						int32 cnt = int32(st::photoLoaderCnt), period = int32(st::photoLoaderPeriod), t = dt % period, delta = int32(st::photoLoaderDelta);
-
-						int32 x = pos.x() + (_vsize - st::overviewLoader.width()) / 2, y = pos.y() + (_vsize - st::overviewLoader.height()) / 2;
-						p.fillRect(x, y, st::overviewLoader.width(), st::overviewLoader.height(), st::photoLoaderBg->b);
-						x += (st::overviewLoader.width() - cnt * st::overviewLoaderPoint.width() - (cnt - 1) * st::overviewLoaderSkip) / 2;
-						y += (st::overviewLoader.height() - st::overviewLoaderPoint.height()) / 2;
-						QColor c(st::white->c);
-						QBrush b(c);
-						for (int32 i = 0; i < cnt; ++i) {
-							t -= delta;
-							while (t < 0) t += period;
-
-							float64 alpha = (t >= st::photoLoaderDuration1 + st::photoLoaderDuration2) ? 0 : ((t > st::photoLoaderDuration1 ? ((st::photoLoaderDuration1 + st::photoLoaderDuration2 - t) / st::photoLoaderDuration2) : (t / st::photoLoaderDuration1)));
-							c.setAlphaF(st::photoLoaderAlphaMin + alpha * (1 - st::photoLoaderAlphaMin));
-							b.setColor(c);
-							p.fillRect(x + i * (st::overviewLoaderPoint.width() + st::overviewLoaderSkip), y, st::overviewLoaderPoint.width(), st::overviewLoaderPoint.height(), b);
-						}
-					}
-				} break;
-
-				case MediaTypeVideo: {
-					VideoData *video = static_cast<HistoryVideo*>(m)->video();
-					CachedSizes::iterator it = _cached.find(video);
-					if (it == _cached.cend()) {
-						CachedSize size;
-						size.medium = 0;
-						size.vsize = _vsize;
-						size.pix = genPix(video, _vsize);
-						it = _cached.insert(video, size);
-					} else if (it->vsize != _vsize) {
-						it->vsize = _vsize;
-						it->pix = genPix(video, _vsize);
-					}
-					p.drawPixmap(pos, it->pix);
-				} break;
-				}
-
-				uint32 sel = 0;
-				if (index >= selfrom && index <= selto) {
-					sel = (_dragSelecting && item->id > 0) ? FullSelection : 0;
-				} else if (hasSel) {
-					SelectedItems::const_iterator i = _selected.constFind(migratedindex ? -item->id : item->id);
-					if (i != selEnd) {
-						sel = i.value();
-					}
-				}
-				if (sel == FullSelection) {
-					p.fillRect(QRect(pos.x(), pos.y(), _vsize, _vsize), st::overviewPhotoSelectOverlay);
-					p.drawSprite(QPoint(pos.x() + _vsize - st::overviewPhotoCheck.pxWidth(), pos.y() + _vsize - st::overviewPhotoCheck.pxHeight()), st::overviewPhotoChecked);
-				} else if (_selMode/* || (selfrom < count && selfrom <= selto && 0 <= selto)*/) {
-					p.drawSprite(QPoint(pos.x() + _vsize - st::overviewPhotoCheck.pxWidth(), pos.y() + _vsize - st::overviewPhotoCheck.pxHeight()), st::overviewPhotoCheck);
-				}
-
-				if (m) {
-					p.translate(pos.x(), pos.y());
-//					m->drawOverview(p, _vsize, item, r.translated(-pos.x(), -pos.y()), sel == FullSelection, ms);
-					p.translate(-pos.x(), -pos.y());
-				}
+				QPoint pos(int32(col * w + st::overviewPhotoSkip), _addToY + row * (_vsize + st::overviewPhotoSkip) + st::overviewPhotoSkip);
+				p.translate(pos.x(), pos.y());
+				_items.at(i)->paint(p, r.translated(-pos.x(), -pos.y()), itemSelectedValue(i), &context);
+				p.translate(-pos.x(), -pos.y());
 			}
 		}
 	} else if (_type == OverviewAudioDocuments) {
@@ -1358,18 +1299,7 @@ void OverviewInner::paintEvent(QPaintEvent *e) {
 				if (_addToY + curY >= r.y() + r.height()) break;
 
 				p.translate(0, curY - y);
-				uint32 sel = 0;
-				if (_items.at(i)->toLayoutMediaItem()) { // draw item
-					if (i >= selfrom && i <= selto) {
-						sel = (_dragSelecting && _items.at(i)->msgId() > 0) ? FullSelection : 0;
-					} else if (hasSel) {
-						SelectedItems::const_iterator j = _selected.constFind(complexMsgId(_items.at(i)->getItem()));
-						if (j != selEnd) {
-							sel = j.value();
-						}
-					}
-				}
-				_items.at(i)->paint(p, r.translated(-_rowsLeft, -_addToY - curY), sel, ms);
+				_items.at(i)->paint(p, r.translated(-_rowsLeft, -_addToY - curY), itemSelectedValue(i), &context);
 				y = curY;
 			}
 		}
@@ -1433,15 +1363,13 @@ void OverviewInner::onUpdateSelected() {
 	HistoryCursorState cursorState = HistoryDefaultCursorState;
 	if (_type == OverviewPhotos || _type == OverviewVideos) {
 		float64 w = (float64(_width - st::overviewPhotoSkip) / _photosInRow);
-		int32 inRow = int32((m.x() - (st::overviewPhotoSkip / 2)) / w), vsize = (_vsize + st::overviewPhotoSkip);
+		int32 col = int32((m.x() - (st::overviewPhotoSkip / 2)) / w), vsize = (_vsize + st::overviewPhotoSkip);
 		int32 row = int32((m.y() - _addToY - (st::overviewPhotoSkip / 2)) / vsize);
-		if (inRow < 0) inRow = 0;
+		if (col < 0) col = 0;
 		if (row < 0) row = 0;
 		bool upon = true;
 
-		History::MediaOverview &overview(_history->overview[_type]), *migratedOverview = _migrated ? &_migrated->overview[_type] : 0;
-		int32 migratedCount = migratedIndexSkip();
-		int32 i = row * _photosInRow + inRow - _photosToAdd, count = migratedCount + overview.size();
+		int32 count = _items.size(), i = count - (row * _photosInRow + col - _photosToAdd) - 1;
 		if (i < 0) {
 			i = 0;
 			upon = false;
@@ -1451,18 +1379,11 @@ void OverviewInner::onUpdateSelected() {
 			upon = false;
 		}
 		if (i >= 0) {
-			MsgId msgid = (i >= migratedCount) ? overview[i - migratedCount] : (*migratedOverview)[i];
-			HistoryItem *histItem = App::histItemById((i >= migratedCount) ? _channel : _migrated->channelId(), msgid);
-			if (histItem) {
-				item = histItem;
+			if (LayoutMediaItem *media = _items.at(i)->toLayoutMediaItem()) {
+				item = media->getItem();
 				index = i;
-				if (upon && m.x() >= inRow * w + st::overviewPhotoSkip && m.x() < inRow * w + st::overviewPhotoSkip + _vsize) {
-					if (m.y() >= _addToY + row * vsize + st::overviewPhotoSkip && m.y() < _addToY + (row + 1) * vsize + st::overviewPhotoSkip) {
-						HistoryMedia *media = item->getMedia(true);
-						if (media) {
-//							media->getStateOverview(lnk, m.x() - inRow * w - st::overviewPhotoSkip, m.y() - _addToY - row * vsize - st::overviewPhotoSkip, item, _vsize);
-						}
-					}
+				if (upon) {
+					media->getState(lnk, cursorState, m.x() - col * w - st::overviewPhotoSkip, m.y() - _addToY - row * vsize - st::overviewPhotoSkip);
 				}
 			}
 		}
@@ -1618,11 +1539,32 @@ void OverviewInner::onUpdateSelected() {
 	bool lnkChanged = false;
 	if (lnk != textlnkOver()) {
 		lnkChanged = true;
-		redrawItem(App::hoveredLinkItem());
+		if (textlnkOver()) {
+			if (HistoryItem *item = App::hoveredLinkItem()) {
+				if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewDocuments) {
+					MsgId itemId = complexMsgId(item);
+					int32 itemIndex = oldMousedItemIndex;
+					fixItemIndex(itemIndex, itemId);
+					if (itemIndex >= 0) {
+						_items.at(itemIndex)->linkOut(textlnkOver());
+						redrawItem(itemId, itemIndex);
+					}
+				} else {
+					redrawItem(item);
+				}
+			}
+		}
 		textlnkOver(lnk);
-		App::hoveredLinkItem(lnk ? item : 0);
-		redrawItem(App::hoveredLinkItem());
 		QToolTip::hideText();
+		App::hoveredLinkItem(lnk ? item : 0);
+		if (textlnkOver()) {
+			if (item && index >= 0) {
+				if (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewDocuments) {
+					_items.at(index)->linkOver(textlnkOver());
+				}
+				redrawItem(complexMsgId(item), index);
+			}
+		}
 	} else {
 		App::mousedItem(item);
 	}
@@ -1671,44 +1613,28 @@ void OverviewInner::onUpdateSelected() {
 				_selected[_dragItem] = 0;
 				updateDragSelection(0, -1, 0, -1, false);
 			} else if (canSelectMany) {
-				bool selectingDown = ((_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments || _type == OverviewLinks || _type == OverviewDocuments) ? (_mousedItemIndex > _dragItemIndex) : (_mousedItemIndex < _dragItemIndex)) || (_mousedItemIndex == _dragItemIndex && ((_type == OverviewPhotos || _type == OverviewVideos) ? (_dragStartPos.x() < m.x()) : (_dragStartPos.y() < m.y())));
+				bool selectingDown = (_reversed ? (_mousedItemIndex < _dragItemIndex) : (_mousedItemIndex > _dragItemIndex)) || (_mousedItemIndex == _dragItemIndex && ((_type == OverviewPhotos || _type == OverviewVideos) ? (_dragStartPos.x() < m.x()) : (_dragStartPos.y() < m.y())));
 				MsgId dragSelFrom = _dragItem, dragSelTo = _mousedItem;
 				int32 dragSelFromIndex = _dragItemIndex, dragSelToIndex = _mousedItemIndex;
 				if (!itemHasPoint(dragSelFrom, dragSelFromIndex, _dragStartPos.x(), _dragStartPos.y())) { // maybe exclude dragSelFrom
 					if (selectingDown) {
 						if (_type == OverviewPhotos || _type == OverviewVideos) {
 							if (_dragStartPos.x() >= _vsize || ((_mousedItem == dragSelFrom) && (m.x() < _dragStartPos.x() + QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
-							}
-						} else if (_type == OverviewAudioDocuments) {
-							if (_dragStartPos.y() >= itemHeight(dragSelFrom, dragSelFromIndex) || ((_mousedItem == dragSelFrom) && (m.y() < _dragStartPos.y() + QApplication::startDragDistance()))) {
 								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
 							}
-						} else if (_type == OverviewLinks || _type == OverviewDocuments) {
+						} else {
 							if (_dragStartPos.y() >= itemHeight(dragSelFrom, dragSelFromIndex) || ((_mousedItem == dragSelFrom) && (m.y() < _dragStartPos.y() + QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
-							}
-						} else if (_type == OverviewAudios) {
-							if (_dragStartPos.y() >= itemHeight(dragSelFrom, dragSelFromIndex) || ((_mousedItem == dragSelFrom) && (m.y() < _dragStartPos.y() + QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
+								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, _reversed ? -1 : 1);
 							}
 						}
 					} else {
 						if (_type == OverviewPhotos || _type == OverviewVideos) {
 							if (_dragStartPos.x() < 0 || ((_mousedItem == dragSelFrom) && (m.x() >= _dragStartPos.x() - QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
-							}
-						} else if (_type == OverviewAudioDocuments) {
-							if (_dragStartPos.y() < 0 || ((_mousedItem == dragSelFrom) && (m.y() >= _dragStartPos.y() - QApplication::startDragDistance()))) {
 								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
 							}
-						} else if (_type == OverviewLinks || _type == OverviewDocuments) {
+						} else {
 							if (_dragStartPos.y() < 0 || ((_mousedItem == dragSelFrom) && (m.y() >= _dragStartPos.y() - QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
-							}
-						} else if (_type == OverviewAudios) {
-							if (_dragStartPos.y() < 0 || ((_mousedItem == dragSelFrom) && (m.y() >= _dragStartPos.y() - QApplication::startDragDistance()))) {
-								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
+								moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, _reversed ? 1 : -1);
 							}
 						}
 					}
@@ -1717,37 +1643,21 @@ void OverviewInner::onUpdateSelected() {
 					if (selectingDown) {
 						if (_type == OverviewPhotos || _type == OverviewVideos) {
 							if (m.x() < 0) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
-							}
-						} else if (_type == OverviewAudioDocuments) {
-							if (m.y() < 0) {
 								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
 							}
-						} else if (_type == OverviewLinks || _type == OverviewDocuments) {
+						} else {
 							if (m.y() < 0) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
-							}
-						} else if (_type == OverviewAudios) {
-							if (m.y() < 0) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
+								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, _reversed ? 1 : -1);
 							}
 						}
 					} else {
 						if (_type == OverviewPhotos || _type == OverviewVideos) {
 							if (m.x() >= _vsize) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
-							}
-						} else if (_type == OverviewAudioDocuments) {
-							if (m.y() >= itemHeight(dragSelTo, dragSelToIndex)) {
 								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
 							}
-						} else if (_type == OverviewLinks || _type == OverviewDocuments) {
+						} else {
 							if (m.y() >= itemHeight(dragSelTo, dragSelToIndex)) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
-							}
-						} else if (_type == OverviewAudios) {
-							if (m.y() >= itemHeight(dragSelTo, dragSelToIndex)) {
-								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
+								moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, _reversed ? -1 : 1);
 							}
 						}
 					}
@@ -1756,7 +1666,7 @@ void OverviewInner::onUpdateSelected() {
 				MsgId dragFirstAffected = dragSelFrom;
 				int32 dragFirstAffectedIndex = dragSelFromIndex;
 				while (dragFirstAffectedIndex >= 0 && itemMsgId(dragFirstAffected) <= 0) {
-					moveToNextItem(dragFirstAffected, dragFirstAffectedIndex, dragSelTo, ((selectingDown && (_type == OverviewPhotos || _type == OverviewVideos || _type == OverviewAudioDocuments)) || (!selectingDown && (_type != OverviewPhotos && _type != OverviewVideos && _type != OverviewAudioDocuments))) ? -1 : 1);
+					moveToNextItem(dragFirstAffected, dragFirstAffectedIndex, dragSelTo, selectingDown ? (_reversed ? -1 : 1) : (_reversed ? 1 : -1));
 				}
 				if (dragFirstAffectedIndex >= 0) {
 					SelectedItems::const_iterator i = _selected.constFind(dragFirstAffected);
@@ -2029,8 +1939,10 @@ int32 OverviewInner::resizeToWidth(int32 nwidth, int32 scrollTop, int32 minHeigh
 		_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
 	}
 	if ((_type == OverviewPhotos || _type == OverviewVideos) && _resizeIndex < 0) {
-		_resizeIndex = _photosInRow * ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) + _photosInRow - 1;
-		_resizeSkip = (scrollTop + minHeight) - ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) * int32(_vsize + st::overviewPhotoSkip);
+		if (_resizeIndex < 0) {
+			_resizeIndex = _photosInRow * ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) + _photosInRow - 1;
+			_resizeSkip = (scrollTop + minHeight) - ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) * int32(_vsize + st::overviewPhotoSkip);
+		}
 	}
 	resize(nwidth, height() > _minHeight ? height() : _minHeight);
 	showAll();
@@ -2059,17 +1971,9 @@ MediaOverviewType OverviewInner::type() const {
 
 void OverviewInner::switchType(MediaOverviewType type) {
 	if (_type != type) {
-		_selected.clear();
-		_dragItemIndex = _mousedItemIndex = _dragSelFromIndex = _dragSelToIndex = -1;
-		_dragItem = _mousedItem = _dragSelFrom = _dragSelTo = 0;
-		_lnkOverIndex = _lnkDownIndex = 0;
-		for (int32 i = 0, l = _items.size(); i != l; ++i) {
-			delete _items.at(i);
-		}
-		_items.clear();
-		_cachedItems.clear();
-		_cached.clear();
+		clear();
 		_type = type;
+		_reversed = (_type != OverviewLinks && _type != OverviewDocuments);
 		if (_type == OverviewLinks || _type == OverviewDocuments) {
 			_search.show();
 		} else {
@@ -2348,17 +2252,71 @@ void OverviewInner::mediaOverviewUpdated(bool fromResize) {
 	}
 
 	int32 oldHeight = _height;
-	if (_type == OverviewDocuments) {
+	if (_type == OverviewPhotos || _type == OverviewVideos) {
+		History::MediaOverview &o(_history->overview[_type]), *migratedOverview = _migrated ? &_migrated->overview[_type] : 0;
+		int32 migrateCount = migratedIndexSkip();
+		int32 wasCount = _items.size(), fullCount = (migrateCount + o.size());
+		int32 tocheck = qMin(fullCount, _cachedItemsToBeLoaded);
+		_items.reserve(tocheck);
+
+		int32 index = 0;
+		bool allGood = true;
+		for (int32 i = fullCount, l = fullCount - tocheck; i > l;) {
+			--i;
+			MsgId msgid = ((i < migrateCount) ? -migratedOverview->at(i) : o.at(i - migrateCount));
+			if (allGood) {
+				if (_items.size() > index && complexMsgId(_items.at(index)->getItem()) == msgid) {
+					++index;
+					continue;
+				}
+				allGood = false;
+			}
+			HistoryItem *item = App::histItemById(itemChannel(msgid), itemMsgId(msgid));
+			HistoryMedia *media = item ? item->getMedia(true) : 0;
+			LayoutItem *layout = 0;
+			if (_type == OverviewPhotos) {
+				PhotoData *photo = (media && media->type() == MediaTypePhoto) ? static_cast<HistoryPhoto*>(media)->photo() : 0;
+				if (photo) layout = new LayoutOverviewPhoto(photo, item);
+			} else if (_type == OverviewVideos) {
+				VideoData *video = (media && media->type() == MediaTypeVideo) ? static_cast<HistoryVideo*>(media)->video() : 0;
+				if (video) layout = new LayoutOverviewVideo(video, item);
+			}
+			if (!layout) continue;
+
+			QDate date = item->date.date();
+			if (_items.size() > index) {
+				delete _items.at(index);
+				_items[index] = layout;
+			} else {
+				_items.push_back(layout);
+			}
+			layout->initDimensions();
+			layout->resizeGetHeight(_vsize);
+			++index;
+		}
+		for (int32 l = _items.size(); l > index;) {
+			delete _items.at(--l);
+		}
+		_items.resize(index);
+		if (!fromResize && _items.size() != wasCount) {
+			_height = qMax(recountHeight(), _minHeight);
+			if (height() != _height) {
+				resize(width(), _height);
+			}
+		}
+		dragActionUpdate(QCursor::pos());
+		update();
+	} else if (_type == OverviewDocuments) {
 		History::MediaOverview &o(_history->overview[_type]), *migratedOverview = _migrated ? &_migrated->overview[_type] : 0;
 		int32 migrateCount = migratedIndexSkip();
 		int32 l = _inSearch ? _searchResults.size() : (migrateCount + o.size()), tocheck = qMin(l, _cachedItemsToBeLoaded);
-		_items.reserve(2 * l); // day items
+		_items.reserve(2 * tocheck); // day items
 
 		int32 top = 0, in = 0, addtoheight = _addToY + st::linksSearchMargin.top();
 		bool allGood = true;
 		QDate prevDate;
 		for (int32 i = 0; i < tocheck; ++i) {
-			MsgId msgid = _inSearch ? _searchResults.at(l - i - 1) : ((l - i - 1 < migrateCount) ? -(*migratedOverview)[l - i - 1] : o.at(l - i - 1 - migrateCount));
+			MsgId msgid = _inSearch ? _searchResults.at(l - i - 1) : ((l - i - 1 < migrateCount) ? -migratedOverview->at(l - i - 1) : o.at(l - i - 1 - migrateCount));
 			if (allGood) {
 				if (_items.size() > in && complexMsgId(_items.at(in)->getItem()) == msgid) {
 					prevDate = _items.at(in)->getItem()->date.date();
@@ -2391,7 +2349,8 @@ void OverviewInner::mediaOverviewUpdated(bool fromResize) {
 			}
 			HistoryItem *item = App::histItemById(itemChannel(msgid), itemMsgId(msgid));
 			HistoryMedia *media = item ? item->getMedia(true) : 0;
-			if (!media) continue;
+			DocumentData *document = media ? media->getDocument() : 0;
+			if (!document) continue;
 
 			QDate date = item->date.date();
 			if (!in || (in > 0 && date != prevDate)) {
@@ -2409,9 +2368,9 @@ void OverviewInner::mediaOverviewUpdated(bool fromResize) {
 
 			if (_items.size() > in) {
 				delete _items.at(in);
-				_items[in] = new LayoutOverviewDocument(media->getDocument(), item, top);
+				_items[in] = new LayoutOverviewDocument(document, item, top);
 			} else {
-				_items.push_back(new LayoutOverviewDocument(media->getDocument(), item, top));
+				_items.push_back(new LayoutOverviewDocument(document, item, top));
 			}
 			_items.at(in)->initDimensions();
 			top += _items.at(in)->resizeGetHeight(_rowWidth);
@@ -2435,13 +2394,13 @@ void OverviewInner::mediaOverviewUpdated(bool fromResize) {
 		History::MediaOverview &o(_history->overview[_type]), *migratedOverview = _migrated ? &_migrated->overview[_type] : 0;
 		int32 migrateCount = migratedIndexSkip();
 		int32 l = _inSearch ? _searchResults.size() : (migrateCount + o.size()), tocheck = qMin(l, _cachedItemsToBeLoaded);
-		_cachedItems.reserve(2 * l); // day items
+		_cachedItems.reserve(2 * tocheck); // day items
 
 		int32 y = 0, in = 0, addtoheight = _addToY + st::linksSearchMargin.top();
 		bool allGood = true;
 		QDate prevDate;
 		for (int32 i = 0; i < tocheck; ++i) {
-			MsgId msgid = _inSearch ? _searchResults.at(l - i - 1) : ((l - i - 1 < migrateCount) ? -(*migratedOverview)[l - i - 1] : o.at(l - i - 1 - migrateCount));
+			MsgId msgid = _inSearch ? _searchResults.at(l - i - 1) : ((l - i - 1 < migrateCount) ? -migratedOverview->at(l - i - 1) : o.at(l - i - 1 - migrateCount));
 			if (allGood) {
 				if (_cachedItems.size() > in && _cachedItems.at(in).msgid == msgid) {
 					prevDate = _cachedItems.at(in).date;
@@ -2684,13 +2643,16 @@ void OverviewInner::redrawItem(const HistoryItem *msg) {
 	MsgId msgid = msg->id;
 	if (history->overviewHasMsgId(_type, msgid) && (history == _history || migrateindex > 0)) {
 		if (_type == OverviewPhotos || _type == OverviewVideos) {
-			int32 index = history->overview[_type].indexOf(msgid);
-			if (index >= 0) {
-				if (history == _history) index += migrateindex;
-				float64 w = (float64(width() - st::overviewPhotoSkip) / _photosInRow);
-				int32 vsize = (_vsize + st::overviewPhotoSkip);
-				int32 row = (_photosToAdd + index) / _photosInRow, col = (_photosToAdd + index) % _photosInRow;
-				update(int32(col * w), _addToY + int32(row * vsize), qCeil(w), vsize);
+			if (history == _migrated) msgid = -msgid;
+			for (int32 i = 0, l = _items.size(); i != l; ++i) {
+				if (complexMsgId(_items.at(i)->getItem()) == msgid) {
+					int32 shownAtIndex = _items.size() - i - 1;
+					float64 w = (float64(width() - st::overviewPhotoSkip) / _photosInRow);
+					int32 vsize = (_vsize + st::overviewPhotoSkip);
+					int32 row = (_photosToAdd + shownAtIndex) / _photosInRow, col = (_photosToAdd + shownAtIndex) % _photosInRow;
+					update(int32(col * w), _addToY + int32(row * vsize), qCeil(w), vsize);
+					break;
+				}
 			}
 		} else if (_type == OverviewAudioDocuments) {
 			int32 index = history->overview[_type].indexOf(msgid);
@@ -2726,12 +2688,10 @@ void OverviewInner::redrawItem(const HistoryItem *msg) {
 	}
 }
 
-void OverviewInner::showAll(bool recountHeights) {
-	int32 newHeight = height();
+int32 OverviewInner::recountHeight() {
+	int32 result = _height;
 	if (_type == OverviewPhotos || _type == OverviewVideos) {
-		_photosInRow = int32(width() - st::overviewPhotoSkip) / int32(st::overviewPhotoMinSize + st::overviewPhotoSkip);
-		_vsize = (int32(width() - st::overviewPhotoSkip) / _photosInRow) - st::overviewPhotoSkip;
-		int32 migratedCount = migratedIndexSkip(), count = migratedCount + _history->overview[_type].size();
+		int32 count = _items.size();
 		int32 migratedFullCount = _migrated ? _migrated->overviewCount(_type) : 0;
 		int32 fullCount = migratedFullCount + _history->overviewCount(_type);
 		if (fullCount > 0 && migratedFullCount >= 0) {
@@ -2742,8 +2702,21 @@ void OverviewInner::showAll(bool recountHeights) {
 			_photosToAdd = 0;
 		}
 		int32 rows = ((_photosToAdd + count) / _photosInRow) + (((_photosToAdd + count) % _photosInRow) ? 1 : 0);
-		newHeight = _height = (_vsize + st::overviewPhotoSkip) * rows + st::overviewPhotoSkip;
-		_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
+		result = (_vsize + st::overviewPhotoSkip) * rows + st::overviewPhotoSkip;
+		_addToY = (result < _minHeight) ? (_minHeight - result) : 0;
+	}
+	return result;
+}
+
+void OverviewInner::showAll(bool recountHeights) {
+	int32 newHeight = height();
+	if (_type == OverviewPhotos || _type == OverviewVideos) {
+		_photosInRow = int32(width() - st::overviewPhotoSkip) / int32(st::overviewPhotoMinSize + st::overviewPhotoSkip);
+		_vsize = (int32(width() - st::overviewPhotoSkip) / _photosInRow) - st::overviewPhotoSkip;
+		for (int32 i = 0, l = _items.size(); i < l; ++i) {
+			_items.at(i)->resizeGetHeight(_vsize);
+		}
+		newHeight = _height = recountHeight();
 	} else if (_type == OverviewAudioDocuments) {
 		int32 migratedCount = migratedIndexSkip(), count = migratedCount + _history->overview[_type].size();
 		newHeight = _height = count * _rowHeight + 2 * st::playlistPadding;
@@ -2834,6 +2807,7 @@ void OverviewWidget::onScroll() {
 }
 
 void OverviewWidget::resizeEvent(QResizeEvent *e) {
+	_noDropResizeIndex = true;
 	int32 st = _scroll.scrollTop();
 	_scroll.resize(size());
 	int32 newScrollTop = _inner.resizeToWidth(width(), st, height());
@@ -2841,10 +2815,9 @@ void OverviewWidget::resizeEvent(QResizeEvent *e) {
 		newScrollTop += addToY;
 	}
 	if (newScrollTop != _scroll.scrollTop()) {
-		_noDropResizeIndex = true;
 		_scroll.scrollToY(newScrollTop);
-		_noDropResizeIndex = false;
 	}
+	_noDropResizeIndex = false;
 
 	_topShadow.resize(width() - ((cWideMode() && !_inGrab) ? st::lineWidth : 0), st::lineWidth);
 	_topShadow.moveToLeft((cWideMode() && !_inGrab) ? st::lineWidth : 0, 0);
@@ -3079,9 +3052,15 @@ void OverviewWidget::changingMsgId(HistoryItem *row, MsgId newId) {
 	}
 }
 
-void OverviewWidget::ui_redrawHistoryItem(const HistoryItem *msg) {
-	if (peer() == msg->history()->peer || migratePeer() == msg->history()->peer) {
-		_inner.redrawItem(msg);
+void OverviewWidget::ui_redrawHistoryItem(const HistoryItem *item) {
+	if (peer() == item->history()->peer || migratePeer() == item->history()->peer) {
+		_inner.redrawItem(item);
+	}
+}
+
+void OverviewWidget::notify_historyItemLayoutChanged(const HistoryItem *item) {
+	if (peer() == item->history()->peer || migratePeer() == item->history()->peer) {
+		_inner.onUpdateSelected();
 	}
 }
 

Telegram/SourceFiles/overviewwidget.h

@@ -136,6 +136,7 @@ private:
 	QPixmap genPix(PhotoData *photo, int32 size);
 	QPixmap genPix(VideoData *video, int32 size);
 	void showAll(bool recountHeights = false);
+	int32 recountHeight();
 
 	OverviewWidget *_overview;
 	ScrollArea *_scroll;
@@ -143,22 +144,18 @@ private:
 
 	PeerData *_peer;
 	MediaOverviewType _type;
+	bool _reversed;
 	History *_migrated, *_history;
 	ChannelId _channel;
 	
+	bool _selMode;
+	uint32 itemSelectedValue(int32 index) const;
+
 	// for audio files, files, voice messages and links
 	int32 _rowsLeft, _rowWidth, _rowHeight;
 
 	// photos
 	int32 _photosInRow, _photosToAdd, _vsize;
-	struct CachedSize {
-		int32 vsize;
-		bool medium;
-		QPixmap pix;
-	};
-	typedef QMap<void*, CachedSize> CachedSizes;
-	CachedSizes _cached;
-	bool _selMode;
 
 	// shared links
 	struct Link {
@@ -343,7 +340,9 @@ public:
 		resizeEvent(0);
 	}
 
-	void ui_redrawHistoryItem(const HistoryItem *msg);
+	void ui_redrawHistoryItem(const HistoryItem *item);
+
+	void notify_historyItemLayoutChanged(const HistoryItem *item);
 
 	~OverviewWidget();