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/**
* @file lldockablefloater.h
* @brief Creates a panel of a specific kind for a toast.
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_DOCKABLEFLOATER_H
#define LL_DOCKABLEFLOATER_H
#include "llerror.h"
#include "llfloater.h"
#include "lldockcontrol.h"
#include <memory>
/**
* Represents floater that can dock.
* In case impossibility deriving from LLDockableFloater use LLDockControl.
*/
class LLDockableFloater : public LLFloater
{
static const U32 UNDOCK_LEAP_HEIGHT = 12;
static void init(LLDockableFloater* thiz);
public:
LOG_CLASS(LLDockableFloater);
LLDockableFloater(LLDockControl* dockControl, const LLSD& key,
const Params& params = getDefaultParams());
/**
* Constructor.
* @param dockControl a pointer to the doc control instance
* @param uniqueDocking - a flag defines is docking should work as tab(at one
* moment only one docked floater can be shown), also this flag defines is dock
* tongue should be used.
* @params key a floater key.
* @params params a floater parameters
*/
LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
const LLSD& key, const Params& params = getDefaultParams());
/**
* Constructor.
* @param dockControl a pointer to the doc control instance
* @param uniqueDocking - a flag defines is docking should work as tab(at one
* moment only one docked floater can be shown).
* @praram useTongue - a flag defines is dock tongue should be used.
* @params key a floater key.
* @params params a floater parameters
*/
LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
bool useTongue, const LLSD& key,
const Params& params = getDefaultParams());
virtual ~LLDockableFloater();
static LLHandle<LLFloater> getInstanceHandle() { return sInstanceHandle; }
static void toggleInstance(const LLSD& sdname);
/**
* If descendant class overrides postBuild() in order to perform specific
* construction then it must still invoke its superclass' implementation.
*/
/* virtula */bool postBuild();
/* virtual */void setDocked(bool docked, bool pop_on_undock = true);
/* virtual */void draw();
/**
* If descendant class overrides setVisible() then it must still invoke its
* superclass' implementation.
*/
/*virtual*/ void setVisible(bool visible);
/**
* If descendant class overrides setMinimized() then it must still invoke its
* superclass' implementation.
*/
/*virtual*/ void setMinimized(bool minimize);
LLView * getDockWidget();
virtual void onDockHidden();
virtual void onDockShown();
LLDockControl* getDockControl();
/**
* Returns true if screen channel should consider floater's size when drawing toasts.
*
* By default returns false.
*/
virtual bool overlapsScreenChannel() { return mOverlapsScreenChannel && getVisible() && isDocked(); }
virtual void setOverlapsScreenChannel(bool overlaps) { mOverlapsScreenChannel = overlaps; }
bool getUniqueDocking() const { return mUniqueDocking; }
bool getUseTongue() const { return mUseTongue; }
void setUseTongue(bool use_tongue) { mUseTongue = use_tongue;}
private:
/**
* Provides unique of dockable floater.
* If dockable floater already exists it should be closed.
*/
void resetInstance();
protected:
void setDockControl(LLDockControl* dockControl);
const LLUIImagePtr& getDockTongue(LLDockControl::DocAt dock_side = LLDockControl::TOP);
// Checks if docking should be forced.
// It may be useful e.g. if floater created in mouselook mode (see EXT-5609)
boost::function<bool ()> mIsDockedStateForcedCallback;
private:
std::unique_ptr<LLDockControl> mDockControl;
LLUIImagePtr mDockTongue;
static LLHandle<LLFloater> sInstanceHandle;
/**
* Provides possibility to define that dockable floaters can be docked
* non exclusively.
*/
bool mUniqueDocking;
bool mUseTongue;
bool mOverlapsScreenChannel;
// Force docking when the floater is being shown for the first time.
bool mForceDocking;
};
#endif /* LL_DOCKABLEFLOATER_H */
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