1 files changed, 116 insertions, 0 deletions
diff --git a/src/util/cpointers.h b/src/util/cpointers.h
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+++ b/src/util/cpointers.h
@@ -0,0 +1,116 @@
+/*********
+*
+* This file is part of BibleTime's source code, http://www.bibletime.info/.
+*
+* Copyright 1999-2008 by the BibleTime developers.
+* The BibleTime source code is licensed under the GNU General Public License version 2.0.
+*
+**********/
+
+#ifndef CPOINTERS_H
+#define CPOINTERS_H
+
+//BibleTime includes
+#include "backend/managers/clanguagemgr.h"
+//#include "backend/cdisplaytemplatemgr.h"
+
+class CSwordBackend;
+class CLanguageMgr;
+class CDisplayTemplateMgr;
+
+namespace InfoDisplay {
+	class CInfoDisplay;
+}
+
+/** Holds the pointers to important classes like modules, backend etc.
+*/
+class CPointers {
+protected:
+	friend class BibleTime; //BibleTime may initialize this object
+	friend class BibleTimeApp; //BibleTimeApp may initialize this object
+	friend int main(int argc, char* argv[]); //main may set the printer
+
+	//Empty virtuaual destructor
+	virtual ~CPointers() {}
+
+	/** Set the backend.
+	* @param backend Pointer to the new application-wide Sword backend
+	*/
+	static void setBackend(CSwordBackend* const backend);
+	/** Set the info display.
+	* @param iDisplay The pointer to the new info display.
+	*/
+	static void setInfoDisplay(InfoDisplay::CInfoDisplay* const iDisplay);
+
+	/** Delete the backend. Should be called by BibleTimeApp,
+	* because the backend should be deleted as late as possible.
+	*/
+	static void deleteBackend();
+	/** Delete the printer. Should be called by BibleTimeApp,
+	* because the printer should be deleted as late as possible.
+	*/
+	static void deletePrinter();
+	/** Delete the language manager. Should be called by BibleTimeApp,
+	* because the language manager should be deleted as late as possible.
+	*/
+	static void deleteLanguageMgr();
+	/** Delete the display template manager. Should be called by BibleTimeApp,
+	* because the template manager should be deleted as late as possible.
+	*/
+	static void deleteDisplayTemplateMgr();
+
+public: // Public methods
+	/** Returns a pointer to the backend
+	* @return The backend pointer.
+	*/
+	inline static CSwordBackend* backend();
+	/** Returns a pointer to the language manager
+	* @return The language manager
+	*/
+	inline static CLanguageMgr* languageMgr();
+	/** Returns a pointer to the info display.
+	* @return The backend pointer.
+	*/
+	inline static InfoDisplay::CInfoDisplay* infoDisplay();
+	/** Returns a pointer to the application's display template manager
+	* @return The backend pointer.
+	*/
+	static CDisplayTemplateMgr* displayTemplateManager();
+
+	struct PointerCache {
+		PointerCache() {
+			backend = 0;
+			langMgr = 0;
+			infoDisplay = 0;
+			displayTemplateMgr = 0;
+		};
+
+		CSwordBackend* backend;
+		CLanguageMgr*  langMgr;
+		InfoDisplay::CInfoDisplay*  infoDisplay;
+		CDisplayTemplateMgr* displayTemplateMgr;
+	};
+};
+
+extern CPointers::PointerCache m_pointerCache;
+
+/** Returns a pointer to the backend ... */
+inline CSwordBackend* CPointers::backend() {
+	return m_pointerCache.backend;
+}
+
+/** Returns a pointer to the backend ... */
+inline CLanguageMgr* CPointers::languageMgr() {
+	if (!m_pointerCache.langMgr) {
+		m_pointerCache.langMgr = new CLanguageMgr();
+	}
+	return m_pointerCache.langMgr;
+}
+
+/** Returns a pointer to the printer object. */
+inline InfoDisplay::CInfoDisplay* CPointers::infoDisplay() {
+	return m_pointerCache.infoDisplay;
+}
+
+
+#endif