From f2348fc74918ea2465fdd6c81d72972040db6152 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 30 Oct 2018 10:17:34 +0400
Subject: [PATCH] Fix document unloading.

---
 Telegram/SourceFiles/core/media_active_cache.h | 1 -
 Telegram/SourceFiles/data/data_document.cpp    | 8 +++++---
 Telegram/SourceFiles/ui/image/image_source.cpp | 4 +++-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Telegram/SourceFiles/core/media_active_cache.h b/Telegram/SourceFiles/core/media_active_cache.h
index b01249822..cd825566d 100644
--- a/Telegram/SourceFiles/core/media_active_cache.h
+++ b/Telegram/SourceFiles/core/media_active_cache.h
@@ -32,7 +32,6 @@ private:
 	SingleQueuedInvokation _delayed;
 	int64 _usage = 0;
 	int64 _limit = 0;
-	Fn<void(Type*)> _unload;
 
 };
 
diff --git a/Telegram/SourceFiles/data/data_document.cpp b/Telegram/SourceFiles/data/data_document.cpp
index 89805afc7..a17954dcf 100644
--- a/Telegram/SourceFiles/data/data_document.cpp
+++ b/Telegram/SourceFiles/data/data_document.cpp
@@ -595,9 +595,10 @@ void DocumentData::unload() {
 		delete replyPreview.get();
 		replyPreview = ImagePtr();
 	}
-
-	ActiveCache().decrement(_data.size());
-	_data.clear();
+	if (!_data.isEmpty()) {
+		ActiveCache().decrement(_data.size());
+		_data.clear();
+	}
 }
 
 void DocumentData::automaticLoad(
@@ -1358,6 +1359,7 @@ DocumentData::~DocumentData() {
 	if (loading()) {
 		destroyLoaderDelayed();
 	}
+	unload();
 }
 
 QString DocumentData::ComposeNameString(
diff --git a/Telegram/SourceFiles/ui/image/image_source.cpp b/Telegram/SourceFiles/ui/image/image_source.cpp
index 035167616..2e49e65cc 100644
--- a/Telegram/SourceFiles/ui/image/image_source.cpp
+++ b/Telegram/SourceFiles/ui/image/image_source.cpp
@@ -149,7 +149,9 @@ LocalFileSource::LocalFileSource(
 : _path(path)
 , _bytes(content)
 , _format(format)
-, _data(std::move(data)) {
+, _data(std::move(data))
+, _width(_data.width())
+, _height(_data.height()) {
 }
 
 void LocalFileSource::load(