/*
Open Tracker License

Terms and Conditions

Copyright (c) 1991-2000, Be Incorporated. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice applies to all licensees
and shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of Be Incorporated shall not be
used in advertising or otherwise to promote the sale, use or other dealings in
this Software without prior written authorization from Be Incorporated.

Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
trademarks of Be Incorporated in the United States and other countries. Other
brand product names are registered trademarks or trademarks of their respective
holders.
All rights reserved.
*/
#ifndef BARVIEW_H
#define BARVIEW_H


#include <Deskbar.h>
#include <View.h>

#include "NavMenu.h"
#include "ObjectList.h"


const uint32 kStateChanged = 'stch';


enum DeskbarShelf {
        B_DESKBAR_ANY_SHELF = 0,
        B_DESKBAR_TRAY = 1
};

enum {
        kMiniState = 0,
        kExpandoState = 1,
        kFullState = 2
};

const float kHModeHeight = 21.0f;
const float kMenuBarHeight = 21.0f;
const float kStatusHeight = 22.0f;
const float kHiddenDimension = 1.0f;
const float kMaxPreventHidingDist = 80.0f;


class BShelf;
class TBarApp;
class TBarMenuBar;
class TBarWindow;
class TExpandoMenuBar;
class TReplicantTray;
class TDragRegion;
class TResizeControl;
class TInlineScrollView;
class TTeamMenuItem;

class TBarView : public BView {
public:
                                                        TBarView(BRect frame, bool vertical, bool left,
                                                                bool top, int32 state, float width);
                                                        ~TBarView();

        virtual void                    AttachedToWindow();
        virtual void                    DetachedFromWindow();

        virtual void                    Draw(BRect updateRect);

        virtual void                    MessageReceived(BMessage* message);

        virtual void                    MouseDown(BPoint where);
        virtual void                    MouseMoved(BPoint where, uint32 transit,
                                                                const BMessage* dragMessage);
        virtual void                    MouseUp(BPoint where);

                        void                    SaveSettings();

                        void                    UpdatePlacement();
                        void                    ChangeState(int32 state, bool vertical, bool left,
                                                                bool top, bool aSync = false);

                        void                    RaiseDeskbar(bool raise);
                        void                    HideDeskbar(bool hide);

        // window placement methods
                        bool                    Vertical() const { return fVertical; };
                        bool                    Left() const { return fLeft; };
                        bool                    Top() const { return fTop; };
                        bool                    AcrossTop() const { return fTop && !fVertical
                                                                && fState != kMiniState; };
                        bool                    AcrossBottom() const { return !fTop && !fVertical
                                                                && fState != kMiniState; };

        // window state methods
                        bool                    ExpandoState() const
                                                                { return fState == kExpandoState; };
                        bool                    FullState() const { return fState == kFullState; };
                        bool                    MiniState() const { return fState == kMiniState; };
                        int32                   State() const { return fState; };

        // drag and drop methods
                        void                    CacheDragData(const BMessage* incoming);
                        status_t                DragStart();
        static  bool                    MenuTrackingHook(BMenu* menu, void* castToThis);
                        void                    DragStop(bool full = false);
                        TrackingHookData*       GetTrackingHookData();
                        bool                    Dragging() const;
                        const                   BMessage* DragMessage() const;
                        BStringList*    CachedTypesList() const;
                        bool                    AppCanHandleTypes(const char* signature);
                        void                    SetDragOverride(bool);
                        bool                    DragOverride();
                        bool                    InvokeItem(const char* signature);

                        void                    HandleDeskbarMenu(BMessage* targetmessage);

                        status_t                ItemInfo(int32 id, const char** name,
                                                                DeskbarShelf* shelf);
                        status_t                ItemInfo(const char* name, int32* id,
                                                                DeskbarShelf* shelf);

                        bool                    ItemExists(int32 id, DeskbarShelf shelf);
                        bool                    ItemExists(const char* name, DeskbarShelf shelf);

                        int32                   CountItems(DeskbarShelf shelf);

                        BSize                   MaxItemSize(DeskbarShelf shelf);

                        status_t                AddItem(BMessage* archive, DeskbarShelf shelf,
                                                                int32* id);
                        status_t                AddItem(BEntry* entry, DeskbarShelf shelf,
                                                                int32* id);

                        void                    RemoveItem(int32 id);
                        void                    RemoveItem(const char* name, DeskbarShelf shelf);

                        BRect                   OffsetIconFrame(BRect rect) const;
                        BRect                   IconFrame(int32 id) const;
                        BRect                   IconFrame(const char* name) const;

                        void                    GetPreferredWindowSize(BRect screenFrame,
                                                                float* width, float* height);
                        void                    SizeWindow(BRect screenFrame);
                        void                    PositionWindow(BRect screenFrame);

                        void                    CheckForScrolling();

                        TExpandoMenuBar*        ExpandoMenuBar() const;
                        TBarMenuBar*            BarMenuBar() const;
                        TDragRegion*            DragRegion() const { return fDragRegion; }
                        TReplicantTray*         ReplicantTray() const { return fReplicantTray; }

                        float                   TeamMenuItemHeight() const;
                        float                   TabHeight() const { return fTabHeight; };

private:
        friend class TBarApp;
        friend class TDeskbarMenu;
        friend class PreferencesWindow;

                        status_t                SendDragMessage(const char* signature,
                                                                entry_ref* ref = NULL);

                        void                    PlaceDeskbarMenu();
                        void                    PlaceTray(bool vertSwap, bool leftSwap);
                        void                    PlaceApplicationBar();

                        void                    _ChangeState(BMessage* message);

                        TBarApp*                        fBarApp;
                        TBarWindow*                     fBarWindow;
                        TInlineScrollView*      fInlineScrollView;
                        TBarMenuBar*            fBarMenuBar;
                        TExpandoMenuBar*        fExpandoMenuBar;

                        int32                   fTrayLocation;
                        TDragRegion*    fDragRegion;
                        TResizeControl* fResizeControl;
                        TReplicantTray* fReplicantTray;

                        bool                    fIsRaised : 1;
                        bool                    fMouseDownOutside : 1;

                        bool                    fVertical : 1;
                        bool                    fTop : 1;
                        bool                    fLeft : 1;
                        int32                   fState;

                        bigtime_t               fPulseRate;
                        bool                    fRefsRcvdOnly;
                        BMessage*               fDragMessage;
                        BStringList*    fCachedTypesList;
                        TrackingHookData                fTrackingHookData;

                        uint32                  fMaxRecentDocs;
                        uint32                  fMaxRecentApps;

                        TTeamMenuItem*  fLastDragItem;
                        BMessageFilter* fMouseFilter;

                        float                   fTabHeight;
};


inline TExpandoMenuBar*
TBarView::ExpandoMenuBar() const
{
        return fExpandoMenuBar;
}


inline TBarMenuBar*
TBarView::BarMenuBar() const
{
        return fBarMenuBar;
}


inline bool
TBarView::Dragging() const
{
        return (fCachedTypesList && fDragMessage);
}


inline const BMessage*
TBarView::DragMessage() const
{
        return fDragMessage;
}


inline BStringList*
TBarView::CachedTypesList() const
{
        return fCachedTypesList;
}


#endif  // BARVIEW_H