fpdfsdk/src/fsdk_annothandler.cpp

// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "../include/fsdk_define.h"
#include "../include/fpdfxfa/fpdfxfa_doc.h"
#include "../include/fpdfxfa/fpdfxfa_util.h"
#include "../include/fsdk_mgr.h"
#include "../include/formfiller/FFL_FormFiller.h"
#include "../include/fsdk_annothandler.h"


CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp)
{
    m_pApp = pApp;

    CPDFSDK_BFAnnotHandler* pHandler = new CPDFSDK_BFAnnotHandler(m_pApp);
    pHandler->SetFormFiller(m_pApp->GetIFormFiller());
    RegisterAnnotHandler(pHandler);

    CPDFSDK_XFAAnnotHandler* pXFAAnnotHandler = new CPDFSDK_XFAAnnotHandler(m_pApp);
    RegisterAnnotHandler(pXFAAnnotHandler);
}

CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr()
{
    for(int i=0; i<m_Handlers.GetSize(); i++)
    {
        IPDFSDK_AnnotHandler* pHandler = m_Handlers.GetAt(i);
        delete pHandler;
    }
    m_Handlers.RemoveAll();
    m_mapType2Handler.RemoveAll();
}

void    CPDFSDK_AnnotHandlerMgr::RegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler)
{
    ASSERT(pAnnotHandler != NULL);

    ASSERT(GetAnnotHandler(pAnnotHandler->GetType()) == NULL);

    m_Handlers.Add(pAnnotHandler);
    m_mapType2Handler.SetAt(pAnnotHandler->GetType(), (void*)pAnnotHandler);
}

void CPDFSDK_AnnotHandlerMgr::UnRegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler)
{
    ASSERT(pAnnotHandler != NULL);

    m_mapType2Handler.RemoveKey(pAnnotHandler->GetType());

    for (int i=0, sz=m_Handlers.GetSize(); i<sz; i++)
    {
        if (m_Handlers.GetAt(i) == pAnnotHandler)
        {
            m_Handlers.RemoveAt(i);
            break;
        }
    }
}

CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot * pAnnot, CPDFSDK_PageView *pPageView)
{
    ASSERT(pAnnot != NULL);
    ASSERT(pPageView != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot->GetSubType()))
    {
        return pAnnotHandler->NewAnnot(pAnnot, pPageView);
    }

    return new CPDFSDK_BAAnnot(pAnnot, pPageView);
}

CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(IXFA_Widget* pAnnot, CPDFSDK_PageView* pPageView)
{
    ASSERT(pAnnot != NULL);
    ASSERT(pPageView != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME))
    {
        return pAnnotHandler->NewAnnot(pAnnot, pPageView);
    }

    return NULL;
}

void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    pAnnot->GetPDFPage();

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnRelease(pAnnot);
        pAnnotHandler->ReleaseAnnot(pAnnot);
    }
    else
    {
        delete (CPDFSDK_Annot*)pAnnot;
    }
}

void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();

    CPDFSDK_DateTime curTime;
    pPDFAnnot->GetAnnotDict()->SetAtString("M", curTime.ToPDFDateTimeString());
    pPDFAnnot->GetAnnotDict()->SetAtNumber("F", 0);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnCreate(pAnnot);
    }
}

void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnLoad(pAnnot);
    }
}

IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(CPDFSDK_Annot* pAnnot) const
{
    ASSERT(pAnnot != NULL);

    CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
    if (pPDFAnnot)
        return GetAnnotHandler(pPDFAnnot->GetSubType());
    else if (pAnnot->GetXFAWidget())
        return GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME);
    return NULL;
}

IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(const CFX_ByteString& sType) const
{
    void* pRet = NULL;
    m_mapType2Handler.Lookup(sType, pRet);
    return (IPDFSDK_AnnotHandler*)pRet;
}

void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,FX_DWORD dwFlags)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
    }
    else
    {
        if (!pAnnot->IsXFAField())
            ((CPDFSDK_BAAnnot*)pAnnot)->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
    }
}


FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnLButtonDown(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
 {
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnLButtonUp(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
 }
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnMouseMove(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, short zDelta, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnMouseWheel(pPageView, pAnnot,nFlags,zDelta, point);
    }
    return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnRButtonDown(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnRButtonUp(pPageView, pAnnot, nFlags, point);
    }
    return FALSE;
}

void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnMouseEnter(pPageView, pAnnot, nFlag);
    }
    return ;
}

void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        pAnnotHandler->OnMouseExit(pPageView, pAnnot, nFlag);
    }
    return;
}

FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot, FX_DWORD nChar, FX_DWORD nFlags)
{

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnChar(pAnnot,nChar, nFlags);
    }
    return FALSE;

}

FX_BOOL         CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{

    if (!m_pApp->FFI_IsCTRLKeyDown(nFlag) && !m_pApp->FFI_IsALTKeyDown(nFlag))
    {
        CPDFSDK_PageView* pPage = pAnnot->GetPageView();
        CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();
        if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab))
        {
            CPDFSDK_Annot* pNext = GetNextAnnot(pFocusAnnot, !m_pApp->FFI_IsSHIFTKeyDown(nFlag));

            if(pNext && pNext != pFocusAnnot)
            {
                CPDFSDK_Document* pDocument = pPage->GetSDKDocument();
                pDocument->SetFocusAnnot(pNext);
                return TRUE;
            }
        }
    }

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        return pAnnotHandler->OnKeyDown(pAnnot,nKeyCode, nFlag);
    }
    return FALSE;
}
FX_BOOL         CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{
    return FALSE;
}

FX_BOOL         CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);

    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        if (pAnnotHandler->OnSetFocus(pAnnot, nFlag))
        {
            CPDFSDK_PageView* pPage = pAnnot->GetPageView();
            pPage->GetSDKDocument();
            return TRUE;
        }
    }
    return FALSE;
}

FX_BOOL         CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot);
    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
        return pAnnotHandler->OnKillFocus(pAnnot, nFlag);

    return FALSE;
}

FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus(CPDFSDK_Annot* pSetAnnot,CPDFSDK_Annot* pKillAnnot)
{
    FX_BOOL bXFA = (pSetAnnot && pSetAnnot->GetXFAWidget()) ||
        (pKillAnnot && pKillAnnot->GetXFAWidget());

    if (bXFA)
    {
        if (IPDFSDK_AnnotHandler* pXFAAnnotHandler = GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME))
            return pXFAAnnotHandler->OnXFAChangedFocus(pKillAnnot, pSetAnnot);
    }

    return TRUE;
}

CPDF_Rect   CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot);
    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
        return pAnnotHandler->GetViewBBox(pPageView, pAnnot);

    return pAnnot->GetRect();
}

FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, const CPDF_Point& point)
{
    ASSERT(pAnnot);
    if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
    {
        if (pAnnotHandler->CanAnswer(pAnnot))
            return pAnnotHandler->HitTest(pPageView, pAnnot, point);
    }
    return FALSE;
}

CPDFSDK_Annot*  CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,FX_BOOL bNext)
{
    CPDFSDK_PageView* pPageView =  pSDKAnnot->GetPageView();
    CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage();
    if (pPage == NULL)
        return NULL;
    if (pPage->GetPDFPage()) { // for pdf annots.
        CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), pSDKAnnot->GetType(), "");
        CPDFSDK_Annot* pNext = bNext ?
        ai.GetNextAnnot(pSDKAnnot) :
        ai.GetPrevAnnot(pSDKAnnot);
        return pNext;
    }
    // for xfa annots
    IXFA_WidgetIterator* pWidgetIterator = pPage->GetXFAPageView()->CreateWidgetIterator(XFA_TRAVERSEWAY_Tranvalse, XFA_WIDGETFILTER_Visible | XFA_WIDGETFILTER_Viewable | XFA_WIDGETFILTER_Field);
    if (pWidgetIterator == NULL)
        return  NULL;
    if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget())
        pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget());
    IXFA_Widget* hNextFocus = NULL;
    hNextFocus = bNext?pWidgetIterator->MoveToNext():pWidgetIterator->MoveToPrevious();
    if (hNextFocus == NULL && pSDKAnnot != NULL)
        hNextFocus = pWidgetIterator->MoveToFirst();

    pWidgetIterator->Release();
    return pPageView->GetAnnotByXFAWidget(hNextFocus);
}

FX_BOOL CPDFSDK_BFAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot->GetType() == "Widget");
    if (pAnnot->GetSubType() == BFFT_SIGNATURE)
        return FALSE;

    CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
    if (!pWidget->IsVisible())
            return FALSE;

    int nFieldFlags = pWidget->GetFieldFlags();
    if ((nFieldFlags & FIELDFLAG_READONLY) == FIELDFLAG_READONLY)
        return FALSE;

    if (pWidget->GetFieldType() == FIELDTYPE_PUSHBUTTON)
        return TRUE;

    CPDF_Page* pPage = pWidget->GetPDFPage();
    CPDF_Document* pDocument = pPage->m_pDocument;
    FX_DWORD dwPermissions = pDocument->GetUserPermissions();
    return (dwPermissions & FPDFPERM_FILL_FORM) ||
            (dwPermissions & FPDFPERM_ANNOT_FORM);
}

CPDFSDK_Annot* CPDFSDK_BFAnnotHandler::NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage)
{
    CPDFSDK_Document* pSDKDoc = m_pApp->GetSDKDocument();
    CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pSDKDoc->GetInterForm();
    CPDF_FormControl* pCtrl = CPDFSDK_Widget::GetFormControl(pInterForm->GetInterForm(), pAnnot->GetAnnotDict());
    if (!pCtrl)
        return nullptr;

    CPDFSDK_Widget* pWidget = new CPDFSDK_Widget(pAnnot, pPage, pInterForm);
    pInterForm->AddMap(pCtrl, pWidget);
    CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
    if (pPDFInterForm && pPDFInterForm->NeedConstructAP())
        pWidget->ResetAppearance(nullptr, FALSE);

    return pWidget;
}

CPDFSDK_Annot*      CPDFSDK_BFAnnotHandler::NewAnnot(IXFA_Widget* hWidget, CPDFSDK_PageView* pPage)
{
    return NULL;
}

void CPDFSDK_BFAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    if (m_pFormFiller)
        m_pFormFiller->OnDelete(pAnnot);

    CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
    CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm();
    ASSERT(pInterForm != NULL);

    CPDF_FormControl* pCtrol = pWidget->GetFormControl();
    pInterForm->RemoveMap(pCtrol);


    delete pWidget;
}


void CPDFSDK_BFAnnotHandler::OnDraw(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,  FX_DWORD dwFlags)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
        ((CPDFSDK_BAAnnot*)pAnnot)->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
    }
    else
    {
        if (m_pFormFiller)
        {
            m_pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
        }
    }
}

void CPDFSDK_BFAnnotHandler::OnMouseEnter(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
             m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag);
    }


}
void CPDFSDK_BFAnnotHandler::OnMouseExit(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
             m_pFormFiller->OnMouseExit(pPageView, pAnnot, nFlag);
    }

}
FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnLButtonDown(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnLButtonUp(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseMove(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnMouseMove(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;

}


FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseWheel(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, short zDelta, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta,point);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnRButtonDown(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;
}
FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnRButtonUp(pPageView, pAnnot, nFlags, point);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, FX_DWORD nChar, FX_DWORD nFlags)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnChar(pAnnot,nChar, nFlags);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnKeyDown(pAnnot,nKeyCode, nFlag);
    }

    return FALSE;
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{

    return FALSE;
}
void    CPDFSDK_BFAnnotHandler::OnCreate(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            m_pFormFiller->OnCreate(pAnnot);
    }
}

void CPDFSDK_BFAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
    ASSERT(pPageView != NULL);

    CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument();
    ASSERT(pSDKDoc != NULL);

    CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
    ASSERT(pDoc != NULL);

    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
        if (!pWidget->IsAppearanceValid())
            pWidget->ResetAppearance(NULL, FALSE);

        int nFieldType = pWidget->GetFieldType();
        if (nFieldType == FIELDTYPE_TEXTFIELD || nFieldType == FIELDTYPE_COMBOBOX)
        {
            FX_BOOL bFormated = FALSE;
            CFX_WideString sValue = pWidget->OnFormat(bFormated);
            if (bFormated && nFieldType == FIELDTYPE_COMBOBOX)
            {
                pWidget->ResetAppearance(sValue.c_str(), FALSE);
            }
        }

        if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA)
        {
            if (!pWidget->IsAppearanceValid() && !pWidget->GetValue().IsEmpty())
                pWidget->ResetAppearance(FALSE);
        }


        if (m_pFormFiller)
            m_pFormFiller->OnLoad(pAnnot);
    }
}

FX_BOOL CPDFSDK_BFAnnotHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnSetFocus(pAnnot,nFlag);
    }

    return TRUE;
}
FX_BOOL CPDFSDK_BFAnnotHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->OnKillFocus(pAnnot,nFlag);
    }

    return TRUE;
}

CPDF_Rect CPDFSDK_BFAnnotHandler::GetViewBBox(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);
    CFX_ByteString sSubType = pAnnot->GetSubType();

    if (sSubType == BFFT_SIGNATURE)
    {
    }
    else
    {
        if (m_pFormFiller)
            return m_pFormFiller->GetViewBBox(pPageView, pAnnot);

    }

    return CPDF_Rect(0,0,0,0);
}

FX_BOOL CPDFSDK_BFAnnotHandler::HitTest(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, const CPDF_Point& point)
{
    ASSERT(pPageView);
    ASSERT(pAnnot);

    CPDF_Rect rect = GetViewBBox(pPageView, pAnnot);
    return rect.Contains(point.x, point.y);
}

//CPDFSDK_XFAAnnotHandler

#define FWL_WGTHITTEST_Unknown          0
#define FWL_WGTHITTEST_Client           1 //arrow
#define FWL_WGTHITTEST_Titlebar         11 //caption
#define FWL_WGTHITTEST_HScrollBar       15
#define FWL_WGTHITTEST_VScrollBar       16
#define FWL_WGTHITTEST_Border           17
#define FWL_WGTHITTEST_Edit             19
#define FWL_WGTHITTEST_HyperLink        20

CPDFSDK_XFAAnnotHandler::CPDFSDK_XFAAnnotHandler(CPDFDoc_Environment* pApp) :
    m_pApp(pApp)
{

}

CPDFSDK_Annot* CPDFSDK_XFAAnnotHandler::NewAnnot(IXFA_Widget* pAnnot, CPDFSDK_PageView* pPage)
{
    CPDFSDK_Document* pSDKDoc = m_pApp->GetSDKDocument();
    CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pSDKDoc->GetInterForm();
    CPDFSDK_XFAWidget* pWidget = new CPDFSDK_XFAWidget(pAnnot, pPage, pInterForm);
    pInterForm->AddXFAMap(pAnnot, pWidget);
    return pWidget;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot)
{
    return pAnnot->GetXFAWidget() != NULL;
}

void CPDFSDK_XFAAnnotHandler::OnDraw(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, FX_DWORD dwFlags)
{
    ASSERT(pPageView != NULL);
    ASSERT(pAnnot != NULL);

    CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument();
    ASSERT(pSDKDoc != NULL);

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    CFX_Graphics gs;
    gs.Create(pDevice);

    CFX_Matrix mt;
    mt = *(CFX_Matrix*)pUser2Device;

    IXFA_Widget* hWidget = pAnnot->GetXFAWidget();
    ASSERT(hWidget != NULL);

    FX_BOOL bIsHighlight = FALSE;
    if (pSDKDoc->GetFocusAnnot() != pAnnot)
        bIsHighlight = TRUE;

    pWidgetHandler->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt, bIsHighlight);

    // to do highlight and shadow

}

void CPDFSDK_XFAAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    CPDFSDK_XFAWidget* pWidget = (CPDFSDK_XFAWidget*)pAnnot;
    CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm();
    ASSERT(pInterForm != NULL);

    pInterForm->RemoveXFAMap(pWidget->GetXFAWidget());

    delete pWidget;
}

CPDF_Rect CPDFSDK_XFAAnnotHandler::GetViewBBox(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot)
{
    ASSERT(pAnnot != NULL);

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    XFA_ELEMENT eType = pWidgetHandler->GetDataAcc(pAnnot->GetXFAWidget())->GetUIType();
    CFX_RectF rcBBox;
    if (eType == XFA_ELEMENT_Signature)
        pWidgetHandler->GetBBox (pAnnot->GetXFAWidget(), rcBBox, XFA_WIDGETSTATUS_Visible, TRUE);
    else
        pWidgetHandler->GetBBox (pAnnot->GetXFAWidget(), rcBBox, 0);

    CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, rcBBox.top+rcBBox.height);
    rcWidget.left -= 1.0f;
    rcWidget.right += 1.0f;
    rcWidget.bottom -= 1.0f;
    rcWidget.top += 1.0f;

    return rcWidget;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::HitTest(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument();
    if (!pSDKDoc)
        return FALSE;

    CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
    if (!pDoc)
        return FALSE;

    IXFA_DocView* pDocView = pDoc->GetXFADocView();
    if (!pDocView)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler();
    if (!pWidgetHandler)
        return FALSE;

    FX_DWORD dwHitTest = pWidgetHandler->OnHitTest(pAnnot->GetXFAWidget(), point.x, point.y);
    return (dwHitTest != FWL_WGTHITTEST_Unknown);
}

void CPDFSDK_XFAAnnotHandler::OnMouseEnter(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    if (!pPageView || !pAnnot)
        return;
    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    pWidgetHandler->OnMouseEnter(pAnnot->GetXFAWidget());
}

void CPDFSDK_XFAAnnotHandler::OnMouseExit(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    if (!pPageView || !pAnnot)
        return;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    pWidgetHandler->OnMouseExit(pAnnot->GetXFAWidget());
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnLButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnLButtonDown(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnLButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnLButtonUp(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnLButtonDblClk(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnMouseMove(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnMouseMove(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnMouseWheel(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, short zDelta, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnMouseWheel(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), zDelta, point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnRButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnRButtonDown(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnRButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnRButtonUp(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnRButtonDblClk(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)
{
    if (!pPageView || !pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnRButtonDblClk(pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), point.x, point.y);

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, FX_DWORD nChar, FX_DWORD nFlags)
{
    if (!pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnChar(pAnnot->GetXFAWidget(), nChar, GetFWLFlags(nFlags));

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{
    if (!pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnKeyDown(pAnnot->GetXFAWidget(), nKeyCode, GetFWLFlags(nFlag));

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)
{
    if (!pAnnot)
        return FALSE;

    IXFA_WidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
    ASSERT(pWidgetHandler != NULL);

    FX_BOOL bRet = FALSE;
    bRet = pWidgetHandler->OnKeyUp(pAnnot->GetXFAWidget(), nKeyCode, GetFWLFlags(nFlag));

    return bRet;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    return TRUE;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)
{
    return TRUE;
}

FX_BOOL CPDFSDK_XFAAnnotHandler::OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot, CPDFSDK_Annot* pNewAnnot)
{
    IXFA_WidgetHandler* pWidgetHandler = NULL;

    if (pOldAnnot)
        pWidgetHandler = GetXFAWidgetHandler(pOldAnnot);
    else if (pNewAnnot)
        pWidgetHandler = GetXFAWidgetHandler(pNewAnnot);

    if (pWidgetHandler)
    {
        FX_BOOL bRet = TRUE;
        IXFA_Widget* hWidget = pNewAnnot ? pNewAnnot->GetXFAWidget() : NULL;
        if (hWidget)
        {
            IXFA_PageView* pXFAPageView = pWidgetHandler->GetPageView(hWidget);
            if (pXFAPageView)
            {
                bRet = pXFAPageView->GetDocView()->SetFocus(hWidget);
                if (pXFAPageView->GetDocView()->GetFocusWidget() == hWidget)
                    bRet = TRUE;
            }
        }
        return bRet;
    }

    return TRUE;
}

IXFA_WidgetHandler* CPDFSDK_XFAAnnotHandler::GetXFAWidgetHandler(CPDFSDK_Annot* pAnnot)
{
    if (!pAnnot)
        return NULL;

    CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
    if (!pPageView)
        return NULL;

    CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument();
    if (!pSDKDoc)
        return NULL;

    CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
    if (!pDoc)
        return NULL;

    IXFA_DocView* pDocView = pDoc->GetXFADocView();
    if (!pDocView)
        return NULL;

    return pDocView->GetWidgetHandler();
}

#define FWL_KEYFLAG_Ctrl                    (1 << 0)
#define FWL_KEYFLAG_Alt                     (1 << 1)
#define FWL_KEYFLAG_Shift                   (1 << 2)
#define FWL_KEYFLAG_LButton                 (1 << 3)
#define FWL_KEYFLAG_RButton                 (1 << 4)
#define FWL_KEYFLAG_MButton                 (1 << 5)

FX_DWORD CPDFSDK_XFAAnnotHandler::GetFWLFlags(FX_DWORD dwFlag)
{
    FX_DWORD dwFWLFlag = 0;

    if (dwFlag & FWL_EVENTFLAG_ControlKey)
        dwFWLFlag |= FWL_KEYFLAG_Ctrl;
    if (dwFlag & FWL_EVENTFLAG_LeftButtonDown)
        dwFWLFlag |= FWL_KEYFLAG_LButton;
    if (dwFlag & FWL_EVENTFLAG_MiddleButtonDown)
        dwFWLFlag |= FWL_KEYFLAG_MButton;
    if (dwFlag & FWL_EVENTFLAG_RightButtonDown)
        dwFWLFlag |= FWL_KEYFLAG_RButton;
    if (dwFlag & FWL_EVENTFLAG_ShiftKey)
        dwFWLFlag |= FWL_KEYFLAG_Shift;
    if (dwFlag & FWL_EVENTFLAG_AltKey)
        dwFWLFlag |= FWL_KEYFLAG_Alt;

    return dwFWLFlag;
}

//CReader_AnnotIteratorEx

CPDFSDK_AnnotIterator::CPDFSDK_AnnotIterator(CPDFSDK_PageView * pPageView,FX_BOOL bReverse,
                                                 FX_BOOL bIgnoreTopmost/*=FALSE*/,
                                                 FX_BOOL bCircle/*=FALSE*/,
                                                 CFX_PtrArray *pList/*=NULL*/)
{
    ASSERT(pPageView);
    m_bReverse=bReverse;
    m_bIgnoreTopmost= bIgnoreTopmost;
    m_bCircle=bCircle;
    m_pIteratorAnnotList.RemoveAll();
    InitIteratorAnnotList(pPageView,pList);
}

CPDFSDK_Annot*  CPDFSDK_AnnotIterator::NextAnnot (const CPDFSDK_Annot* pCurrent)
{

    int index = -1;
    int nCount = m_pIteratorAnnotList.GetSize();
    if (pCurrent) {
        for(int i=0;i<nCount;i++){
            CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot *)m_pIteratorAnnotList.GetAt(i);
            if(pReaderAnnot ==pCurrent){
                index=i;
                break;
            }
        }
    }
    return NextAnnot(index);
}
CPDFSDK_Annot*  CPDFSDK_AnnotIterator::PrevAnnot (const CPDFSDK_Annot*pCurrent)
{
    int index = -1;
    int nCount = m_pIteratorAnnotList.GetSize();
    if(pCurrent){
        for(int i=0;i<nCount;i++){
            CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);
            if(pReaderAnnot ==pCurrent){
                index=i;
                break;
            }
        }
    }
    return PrevAnnot(index);
}
CPDFSDK_Annot*  CPDFSDK_AnnotIterator::NextAnnot (int& index)
{

    int nCount=m_pIteratorAnnotList.GetSize();
    if(nCount<=0) index=-1;
    else{
        if(index<0){
            index=0;
        }
        else{
            if(m_bCircle){
                index=( index <nCount-1) ? (index+1) :0;
            }
            else{
                index=( index <nCount-1) ? (index+1) :-1;
            }

        }
    }
    return (index <0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);
}


CPDFSDK_Annot*  CPDFSDK_AnnotIterator::PrevAnnot (int& index)
{

    int nCount=m_pIteratorAnnotList.GetSize();
    if(nCount<=0) index=-1;
    else{
        if(index<0){
            index=nCount-1;
        }
        else{
            if(m_bCircle){
                index = ( index >0) ? (index-1) :nCount-1;
            }
            else{
                index = ( index >0) ? (index-1) :-1;
            }
        }
    }
    return (index <0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);
}


CPDFSDK_Annot*CPDFSDK_AnnotIterator::Next(const CPDFSDK_Annot* pCurrent)
{

    return (m_bReverse) ? PrevAnnot(pCurrent):NextAnnot(pCurrent);

}

CPDFSDK_Annot*  CPDFSDK_AnnotIterator::Prev(const CPDFSDK_Annot* pCurrent)
{

    return (m_bReverse) ? NextAnnot(pCurrent):PrevAnnot(pCurrent);
}

CPDFSDK_Annot*CPDFSDK_AnnotIterator::Next(int& index )
{

    return (m_bReverse) ? PrevAnnot(index):NextAnnot(index);

}

CPDFSDK_Annot*  CPDFSDK_AnnotIterator::Prev(int& index )
{

    return (m_bReverse) ? NextAnnot(index):PrevAnnot(index);
}


void CPDFSDK_AnnotIterator::InsertSort(CFX_PtrArray &arrayList, AI_COMPARE pCompare)
{
    for (int i = 1; i < arrayList.GetSize(); i++)
    {
        if (pCompare((CPDFSDK_Annot*)(arrayList[i]) , (CPDFSDK_Annot*)(arrayList[i-1])) < 0)
        {
            int j = i-1;
            CPDFSDK_Annot* pTemp = (CPDFSDK_Annot*)arrayList[i];

            do
            {
                arrayList[j + 1] = arrayList[j];
            } while (--j >= 0 && pCompare(pTemp, (CPDFSDK_Annot*)arrayList[j]) < 0);

            arrayList[j+1] = pTemp;
        }
    }
}

int LyOrderCompare(CPDFSDK_Annot* p1, CPDFSDK_Annot* p2)
{
    if (p1->GetLayoutOrder() < p2->GetLayoutOrder())
        return -1;
    if (p1->GetLayoutOrder() > p2->GetLayoutOrder())
        return 1;
    return 0;
}

FX_BOOL CPDFSDK_AnnotIterator::InitIteratorAnnotList(CPDFSDK_PageView* pPageView,CFX_PtrArray * pAnnotList)
{
    ASSERT(pPageView);

    if(pAnnotList==NULL){
        pAnnotList=pPageView->GetAnnotList();
    }

    m_pIteratorAnnotList.RemoveAll();
    if(!pAnnotList) return FALSE;

    CPDFSDK_Annot * pTopMostAnnot= (m_bIgnoreTopmost) ? NULL : pPageView->GetFocusAnnot();


    int nCount =pAnnotList->GetSize();

    for(int i = nCount- 1 ;i >= 0;i--)
    {
        CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot*)pAnnotList->GetAt(i);
        m_pIteratorAnnotList.Add(pReaderAnnot);
    }

    InsertSort(m_pIteratorAnnotList,&LyOrderCompare);

    if(pTopMostAnnot)
    {
        for(int i=0 ;i<nCount;i++)
        {
            CPDFSDK_Annot * pReaderAnnot = (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);
            if(pReaderAnnot == pTopMostAnnot)
            {
                m_pIteratorAnnotList.RemoveAt(i);
                m_pIteratorAnnotList.InsertAt(0, pReaderAnnot);
                break;
            }
        }
    }

    return TRUE;
}