Fix empty space to the right of photo media.

Telegram/SourceFiles/history/view/media/history_view_extended_preview.cpp

@@ -113,6 +113,10 @@ void ExtendedPreview::unloadHeavyPart() {
 	_spoiler.animation = nullptr;
 }
 
+bool ExtendedPreview::enforceBubbleWidth() const {
+	return true;
+}
+
 QSize ExtendedPreview::countOptimalSize() {
 	const auto &preview = _invoice->extendedPreview;
 	const auto dimensions = preview.dimensions;

Telegram/SourceFiles/history/view/media/history_view_extended_preview.h

@@ -54,6 +54,7 @@ public:
 
 	bool hasHeavyPart() const override;
 	void unloadHeavyPart() override;
+	bool enforceBubbleWidth() const override;
 
 private:
 	int minWidthForButton() const;

Telegram/SourceFiles/history/view/media/history_view_photo.cpp

@@ -162,6 +162,10 @@ void Photo::unloadHeavyPart() {
 	togglePollingStory(false);
 }
 
+bool Photo::enforceBubbleWidth() const {
+	return true;
+}
+
 void Photo::togglePollingStory(bool enabled) const {
 	const auto pollingStory = (enabled ? 1 : 0);
 	if (!_storyId || _pollingStory == pollingStory) {
@@ -193,6 +197,9 @@ QSize Photo::countOptimalSize() {
 	auto maxWidth = qMax(maxActualWidth, scaled.height());
 	auto minHeight = qMax(scaled.height(), st::minPhotoSize);
 	if (_parent->hasBubble()) {
+		const auto captionMaxWidth = _parent->textualMaxWidth();
+		const auto maxWithCaption = qMin(st::msgMaxWidth, captionMaxWidth);
+		maxWidth = qMin(qMax(maxWidth, maxWithCaption), st::msgMaxWidth);
 		minHeight = adjustHeightForLessCrop(
 			dimensions,
 			{ maxWidth, minHeight });

Telegram/SourceFiles/history/view/media/history_view_photo.h

@@ -88,6 +88,7 @@ public:
 
 	bool hasHeavyPart() const override;
 	void unloadHeavyPart() override;
+	bool enforceBubbleWidth() const override;
 
 protected:
 	float64 dataProgress() const override;