From 0ef807146e5934f206f23650f5a2c51ef143be2e Mon Sep 17 00:00:00 2001
From: md5
Date: Thu, 5 May 2011 20:14:21 +0300
Subject: SWORD25: Remove thumbnails from the cache when saving a new game

---
 engines/sword25/kernel/persistenceservice.cpp |  3 +++
 engines/sword25/kernel/resmanager.cpp         | 15 +++++++++++++++
 engines/sword25/kernel/resmanager.h           |  5 +++++
 3 files changed, 23 insertions(+)

(limited to 'engines/sword25/kernel')

diff --git a/engines/sword25/kernel/persistenceservice.cpp b/engines/sword25/kernel/persistenceservice.cpp
index 500703befb..6bb2b1b102 100644
--- a/engines/sword25/kernel/persistenceservice.cpp
+++ b/engines/sword25/kernel/persistenceservice.cpp
@@ -336,6 +336,9 @@ bool PersistenceService::saveGame(uint slotID, const Common::String &screenshotF
 	// Savegameinformationen für diesen Slot aktualisieren.
 	_impl->readSlotSavegameInformation(slotID);
 
+	// Empty the cache, to remove old thumbnails
+	Kernel::getInstance()->getResourceManager()->emptyThumbnailCache();
+
 	// Erfolg signalisieren.
 	return true;
 }
diff --git a/engines/sword25/kernel/resmanager.cpp b/engines/sword25/kernel/resmanager.cpp
index 8b446e69d1..b77d79e8ea 100644
--- a/engines/sword25/kernel/resmanager.cpp
+++ b/engines/sword25/kernel/resmanager.cpp
@@ -147,6 +147,21 @@ void ResourceManager::emptyCache() {
 	}
 }
 
+void ResourceManager::emptyThumbnailCache() {
+	// Scan through the resource list
+	Common::List<Resource *>::iterator iter = _resources.begin();
+	while (iter != _resources.end()) {
+		if ((*iter)->getFileName().hasPrefix("/saves")) {
+			// Unlock the thumbnail
+			while ((*iter)->getLockCount() > 0)
+				(*iter)->release();
+			// Delete the thumbnail
+			iter = deleteResource(*iter);
+		} else
+			++iter;
+	}
+}
+
 /**
  * Returns a requested resource. If any error occurs, returns NULL
  * @param FileName      Filename of resource
diff --git a/engines/sword25/kernel/resmanager.h b/engines/sword25/kernel/resmanager.h
index 5b2bfd395f..f8006bd62d 100644
--- a/engines/sword25/kernel/resmanager.h
+++ b/engines/sword25/kernel/resmanager.h
@@ -81,6 +81,11 @@ public:
 	 **/
 	void emptyCache();
 
+	/**
+	 * Removes all the savegame thumbnails from the cache
+	 **/
+	void emptyThumbnailCache();
+
 	/**
 	 * Writes the names of all currently locked resources to the log file
 	 */
-- 
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