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+/**
+ * @file llinventoryitemslist.h
+ * @brief A list of inventory items represented by LLFlatListView.
+ *
+ * Class LLInventoryItemsList implements a flat list of inventory items.
+ * Class LLPanelInventoryListItem displays inventory item as an element
+ * of LLInventoryItemsList.
+ *
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLINVENTORYITEMSLIST_H
+#define LL_LLINVENTORYITEMSLIST_H
+
+#include "lldarray.h"
+
+#include "llpanel.h"
+
+// newview
+#include "llflatlistview.h"
+#include "llviewerinventory.h"
+
+class LLIconCtrl;
+class LLTextBox;
+class LLViewerInventoryItem;
+
+/**
+ * @class LLPanelInventoryListItemBase
+ *
+ * Base class for Inventory flat list item. Panel consists of inventory icon
+ * and inventory item name.
+ * This class is able to display widgets(buttons) on left(before icon) and right(after text-box) sides 
+ * of panel.
+ *
+ * How to use (see LLPanelClothingListItem for example):
+ * - implement init() to build panel from xml
+ * - create new xml file, fill it with widgets you want to dynamically show/hide/reshape on left/right sides
+ * - redefine postBuild()(call base implementation) and add needed widgets to needed sides,
+ *
+ */
+class LLPanelInventoryListItemBase : public LLPanel
+{
+public:
+	static LLPanelInventoryListItemBase* create(LLViewerInventoryItem* item);
+
+	virtual void draw();
+
+	/**
+	 * Let item know it need to be refreshed in next draw()
+	 */
+	void setNeedsRefresh(bool needs_refresh){ mNeedsRefresh = needs_refresh; }
+
+	bool getNeedsRefresh(){ return mNeedsRefresh; }
+
+	/**
+	 * Add widget to left side
+	 */
+	void addWidgetToLeftSide(const std::string& name, bool show_widget = true);
+	void addWidgetToLeftSide(LLUICtrl* ctrl, bool show_widget = true);
+
+	/**
+	 * Add widget to right side, widget is supposed to be child of calling panel
+	 */
+	void addWidgetToRightSide(const std::string& name, bool show_widget = true);
+	void addWidgetToRightSide(LLUICtrl* ctrl, bool show_widget = true);
+
+	/**
+	 * Mark widgets as visible. Only visible widgets take part in reshaping children
+	 */
+	void setShowWidget(const std::string& name, bool show);
+	void setShowWidget(LLUICtrl* ctrl, bool show);
+
+	/**
+	 * Set spacing between widgets during reshape
+	 */
+	void setWidgetSpacing(S32 spacing) { mWidgetSpacing = spacing; }
+
+	S32 getWidgetSpacing() { return mWidgetSpacing; }
+
+	/**
+	 * Inheritors need to call base implementation of postBuild()
+	 */
+	/*virtual*/ BOOL postBuild();
+
+	/**
+	 * Handles item selection
+	 */
+	/*virtual*/ void setValue(const LLSD& value);
+
+	/**
+	 * Handles filter request
+	 */
+	/*virtual*/ S32  notify(const LLSD& info);
+
+	 /* Highlights item */
+	/*virtual*/ void onMouseEnter(S32 x, S32 y, MASK mask);
+	/* Removes item highlight */
+	/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask);
+
+	/** Get the name of a corresponding inventory item */
+	const std::string& getItemName() const;
+
+	/** Get the asset type of a corresponding inventory item */
+	LLAssetType::EType getType() const;
+
+	/** Get the wearable type of a corresponding inventory item */
+	LLWearableType::EType getWearableType() const;
+
+	/** Get the description of a corresponding inventory item */
+	const std::string& getDescription() const;
+
+	/** Get the associated inventory item */
+	LLViewerInventoryItem* getItem() const { return mItem; }
+
+	virtual ~LLPanelInventoryListItemBase(){}
+
+protected:
+
+	LLPanelInventoryListItemBase(LLViewerInventoryItem* item);
+
+	typedef std::vector<LLUICtrl*> widget_array_t;
+
+	/**
+	 * Use it from a factory function to build panel, do not build panel in constructor
+	 */
+	virtual void init();
+
+	/**
+	 * Called after inventory item was updated, update panel widgets to reflect inventory changes.
+	 */
+	virtual void updateItem(const std::string& name);
+
+	/** setter for mIconCtrl */
+	void setIconCtrl(LLIconCtrl* icon) { mIconCtrl = icon; }
+	/** setter for MTitleCtrl */
+	void setTitleCtrl(LLTextBox* tb) { mTitleCtrl = tb; }
+
+	void setLeftWidgetsWidth(S32 width) { mLeftWidgetsWidth = width; }
+	void setRightWidgetsWidth(S32 width) { mRightWidgetsWidth = width; }
+
+	/**
+	 * Set all widgets from both side visible/invisible. Only enabled widgets
+	 * (see setShowWidget()) can become visible
+	 */
+	virtual void setWidgetsVisible(bool visible);
+
+	/**
+	 * Reshape all child widgets - icon, text-box and side widgets
+	 */
+	virtual void reshapeWidgets();
+
+	/** set wearable type icon image */
+	void setIconImage(const LLUIImagePtr& image);
+
+	/** Set item title - inventory item name usually */
+	virtual void setTitle(const std::string& title, const std::string& highlit_text);
+
+
+	LLViewerInventoryItem* mItem;
+
+private:
+
+	/** reshape left side widgets
+	 * Deprecated for now. Disabled reshape left for now to reserve space for 'delete' 
+	 * button in LLPanelClothingListItem according to Neal's comment (https://codereview.productengine.com/secondlife/r/325/)
+	 */
+	void reshapeLeftWidgets();
+
+	/** reshape right side widgets */
+	void reshapeRightWidgets();
+
+	/** reshape remaining widgets */
+	void reshapeMiddleWidgets();
+
+
+	LLIconCtrl*		mIconCtrl;
+	LLTextBox*		mTitleCtrl;
+
+	LLUIImagePtr	mIconImage;
+	std::string		mHighlightedText;
+
+	widget_array_t	mLeftSideWidgets;
+	widget_array_t	mRightSideWidgets;
+	S32				mWidgetSpacing;
+
+	S32				mLeftWidgetsWidth;
+	S32				mRightWidgetsWidth;
+	bool			mNeedsRefresh;
+};
+
+//////////////////////////////////////////////////////////////////////////
+
+class LLInventoryItemsList : public LLFlatListViewEx
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLFlatListViewEx::Params>
+	{
+		Params();
+	};
+
+	virtual ~LLInventoryItemsList();
+
+	void refreshList(const LLDynamicArray<LLPointer<LLViewerInventoryItem> > item_array);
+
+	boost::signals2::connection setRefreshCompleteCallback(const commit_signal_t::slot_type& cb);
+
+	/**
+	 * Let list know items need to be refreshed in next doIdle()
+	 */
+	void setNeedsRefresh(bool needs_refresh){ mNeedsRefresh = needs_refresh; }
+
+	bool getNeedsRefresh(){ return mNeedsRefresh; }
+
+	/**
+	 * Sets the flag indicating that the list needs to be refreshed even if it is
+	 * not currently visible.
+	 */
+	void setForceRefresh(bool force_refresh){ mForceRefresh = force_refresh; }
+
+	/**
+	 * Idle routine used to refresh the list regardless of the current list
+	 * visibility, unlike draw() which is called only for the visible list.
+	 * This is needed for example to filter items of the list hidden by closed
+	 * accordion tab.
+	 */
+	void	doIdle();						// Real idle routine
+	static void idle(void* user_data);		// static glue to doIdle()
+
+protected:
+	friend class LLUICtrlFactory;
+	LLInventoryItemsList(const LLInventoryItemsList::Params& p);
+
+	uuid_vec_t& getIDs() { return mIDs; }
+
+	/**
+	 * Refreshes list items, adds new items and removes deleted items. 
+	 * Called from doIdle() until all new items are added,
+	 * maximum 50 items can be added during single call.
+	 */
+	void refresh();
+
+	/**
+	 * Compute difference between new items and current items, fills 'vadded' with added items,
+	 * 'vremoved' with removed items. See LLCommonUtils::computeDifference
+	 */
+	void computeDifference(const uuid_vec_t& vnew, uuid_vec_t& vadded, uuid_vec_t& vremoved);
+
+	/**
+	 * Add an item to the list
+	 */
+	virtual void addNewItem(LLViewerInventoryItem* item, bool rearrange = true);
+
+private:
+	uuid_vec_t mIDs; // IDs of items that were added in refreshList().
+					 // Will be used in refresh() to determine added and removed ids
+	bool mNeedsRefresh;
+
+	bool mForceRefresh;
+
+	commit_signal_t mRefreshCompleteSignal;
+};
+
+#endif //LL_LLINVENTORYITEMSLIST_H