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/*
 * Copyright © 2008 Dennis Kasprzyk
 * Copyright © 2007 Novell, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Dennis Kasprzyk not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Dennis Kasprzyk makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * DENNIS KASPRZYK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL DENNIS KASPRZYK BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Authors: Dennis Kasprzyk <onestone@compiz-fusion.org>
 *          David Reveman <davidr@novell.com>
 */

#ifndef _PRIVATEWINDOW_H
#define _PRIVATEWINDOW_H

#include <core/core.h>
#include <core/window.h>
#include <core/point.h>
#include <core/timer.h>
#include "privatescreen.h"

#define WINDOW_INVISIBLE(w)				          \
    ((w)->attrib.map_state != IsViewable		       || \
     (w)->attrib.x + (w)->width  + (w)->output.right  <= 0     || \
     (w)->attrib.y + (w)->height + (w)->output.bottom <= 0     || \
     (w)->attrib.x - (w)->output.left >= (int) screen->width () || \
     (w)->attrib.y - (w)->output.top >= (int) screen->height () )

typedef CompWindowExtents CompFullscreenMonitorSet;

class PrivateWindow {

    public:
	PrivateWindow ();
	~PrivateWindow ();

	void recalcNormalHints ();

	void updateFrameWindow ();

	void setWindowMatrix ();

	bool restack (Window aboveId);

	bool initializeSyncCounter ();

	bool isGroupTransient (Window clientLeader);

	static bool stackLayerCheck (CompWindow *w,
				     Window     clientLeader,
				     CompWindow *below);

	static bool avoidStackingRelativeTo (CompWindow *w);

	static CompWindow * findSiblingBelow (CompWindow *w,
					      bool       aboveFs);

	static CompWindow * findLowestSiblingBelow (CompWindow *w);

	static bool validSiblingBelow (CompWindow *w,
				       CompWindow *sibling);

	void saveGeometry (int mask);

	int restoreGeometry (XWindowChanges *xwc, int mask);

	void reconfigureXWindow (unsigned int   valueMask,
				 XWindowChanges *xwc);

	static bool stackDocks (CompWindow     *w,
				CompWindowList &updateList,
				XWindowChanges *xwc,
				unsigned int   *mask);

	static bool stackTransients (CompWindow     *w,
				     CompWindow     *avoid,
				     XWindowChanges *xwc,
				     CompWindowList &updateList);

	static void stackAncestors (CompWindow *w,
				    XWindowChanges *xwc,
				    CompWindowList &updateList);

	static bool isAncestorTo (CompWindow *transient,
				  CompWindow *ancestor);

	Window getClientLeaderOfAncestor ();

	CompWindow * getModalTransient ();

	int addWindowSizeChanges (XWindowChanges *xwc,
				  CompWindow::Geometry old);

	int addWindowStackChanges (XWindowChanges *xwc,
				   CompWindow     *sibling);

	static CompWindow * findValidStackSiblingBelow (CompWindow *w,
							CompWindow *sibling);

	void ensureWindowVisibility ();

	void reveal ();

	static void revealAncestors (CompWindow *w,
				     CompWindow *transient);

	static void minimizeTransients (CompWindow *w,
					CompWindow *ancestor);

	static void unminimizeTransients (CompWindow *w,
					  CompWindow *ancestor);

	bool getUsageTimestamp (Time& timestamp);

	bool isWindowFocusAllowed (Time timestamp);

	static void handleDamageRect (CompWindow *w,
				      int         x,
				      int         y,
				      int         width,
				      int         height);

	bool reparent ();
	void unreparent ();

	void hide ();

	void show ();

	void withdraw ();

	bool handlePingTimeout (unsigned int lastPing);

	void handlePing (int lastPing);

	void applyStartupProperties (CompStartupSequence *s);

	void updateNormalHints ();

	void updateWmHints ();

	void updateClassHints ();

	void updateTransientHint ();

	void updateIconGeometry ();

	Window getClientLeader ();

	char * getStartupId ();

	CompRegion
	rectsToRegion (unsigned int, XRectangle *);

	void updateRegion ();

	bool handleSyncAlarm ();

	void configure (XConfigureEvent *ce);

	void configureFrame (XConfigureEvent *ce);

	void circulate (XCirculateEvent *ce);

	unsigned int adjustConfigureRequestForGravity (XWindowChanges *xwc,
						       unsigned int   xwcm,
						       int            gravity,
						       int	      direction);

	void updateSize ();

	bool getUserTime (Time& time);
	void setUserTime (Time time);

	bool allowWindowFocus (unsigned int noFocusMask,
			       Time         timestamp);

	void freeIcons ();

	void updateMwmHints ();

	void updateStartupId ();

	void processMap ();

	void updatePassiveButtonGrabs ();

	void setFullscreenMonitors (CompFullscreenMonitorSet *monitors);

	static unsigned int windowTypeFromString (const char *str);

	static int compareWindowActiveness (CompWindow *w1,
					    CompWindow *w2);

	void setOverrideRedirect (bool overrideRedirect);

	void readIconHint ();

    public:

	PrivateWindow *priv;

	CompWindow *window;

	int                  refcnt;
	Window	             id;
	Window	             frame;
	Window               wrapper;
	unsigned int         mapNum;
	unsigned int         activeNum;
	XWindowAttributes    attrib;
	CompWindow::Geometry geometry;
	CompWindow::Geometry serverGeometry;
	Window               transientFor;
	Window               clientLeader;
	XSizeHints	     sizeHints;
	XWMHints             *hints;

	bool       inputHint;
	bool       alpha;
	int        width;
	int        height;
	CompRegion region;
	CompRegion inputRegion;
	CompRegion frameRegion;

	unsigned int wmType;
	unsigned int type;
	unsigned int state;
	unsigned int actions;
	unsigned int protocols;
	unsigned int mwmDecor;
	unsigned int mwmFunc;
	bool         invisible;
	bool         destroyed;
	bool         managed;
	bool	     unmanaging;

	int destroyRefCnt;
	int unmapRefCnt;

	CompPoint initialViewport;

	Time initialTimestamp;
	bool initialTimestampSet;

	bool     fullscreenMonitorsSet;
	CompRect fullscreenMonitorRect;

	bool placed;
	bool minimized;
	bool inShowDesktopMode;
	bool shaded;
	bool hidden;
	bool grabbed;

	unsigned int desktop;

	int pendingUnmaps;
	int pendingMaps;

	char *startupId;
	char *resName;
	char *resClass;

	CompGroup *group;

	unsigned int lastPong;
	bool         alive;

	CompWindowExtents input;
	CompWindowExtents border;
	CompWindowExtents output;

	CompStruts *struts;

	std::vector<CompIcon *> icons;
	bool noIcons;

	CompRect   iconGeometry;

	XWindowChanges saveWc;
	int		   saveMask;

	XSyncCounter  syncCounter;
	XSyncValue    syncValue;
	XSyncAlarm    syncAlarm;
	CompTimer     syncWaitTimer;

	bool                 syncWait;
	CompWindow::Geometry syncGeometry;

	bool closeRequests;
	Time lastCloseRequestTime;
};

class CoreWindow
{
public:

    CoreWindow (Window id);

    CompWindow * manage (Window above, XWindowAttributes &wa);

    friend class PrivateWindow;
    friend class PrivateScreen;
    friend class CompScreen;

private:

    PrivateWindow *priv;
};

#endif