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// 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 "xfa/fxfa/cxfa_fftext.h"
#include "xfa/fwl/fwl_widgetdef.h"
#include "xfa/fwl/fwl_widgethit.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffdraw.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_linkuserdata.h"
#include "xfa/fxfa/cxfa_pieceline.h"
#include "xfa/fxfa/cxfa_textlayout.h"
#include "xfa/fxfa/cxfa_textpiece.h"
#include "xfa/fxgraphics/cxfa_graphics.h"
CXFA_FFText::CXFA_FFText(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
CXFA_FFText::~CXFA_FFText() {}
void CXFA_FFText::RenderWidget(CXFA_Graphics* pGS,
const CFX_Matrix& matrix,
uint32_t dwStatus) {
if (!IsMatchVisibleStatus(dwStatus))
return;
CFX_Matrix mtRotate = GetRotateMatrix();
mtRotate.Concat(matrix);
CXFA_FFWidget::RenderWidget(pGS, mtRotate, dwStatus);
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (!pTextLayout)
return;
CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
CFX_RectF rtText = GetRectWithoutRotate();
CXFA_MarginData marginData = m_pDataAcc->GetMarginData();
if (marginData.HasValidNode()) {
CXFA_LayoutItem* pItem = this;
if (!pItem->GetPrev() && !pItem->GetNext()) {
XFA_RectWidthoutMargin(rtText, marginData);
} else {
float fLeftInset = 0;
float fRightInset = 0;
float fTopInset = 0;
float fBottomInset = 0;
marginData.TryLeftInset(fLeftInset);
marginData.TryRightInset(fRightInset);
if (!pItem->GetPrev())
marginData.TryTopInset(fTopInset);
else if (!pItem->GetNext())
marginData.TryBottomInset(fBottomInset);
rtText.Deflate(fLeftInset, fTopInset, fRightInset, fBottomInset);
}
}
CFX_Matrix mt(1, 0, 0, 1, rtText.left, rtText.top);
CFX_RectF rtClip = mtRotate.TransformRect(rtText);
mt.Concat(mtRotate);
pTextLayout->DrawString(pRenderDevice, mt, rtClip, GetIndex());
}
bool CXFA_FFText::IsLoaded() {
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
return pTextLayout && !pTextLayout->m_bHasBlock;
}
bool CXFA_FFText::PerformLayout() {
CXFA_FFDraw::PerformLayout();
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (!pTextLayout)
return false;
if (!pTextLayout->m_bHasBlock)
return true;
pTextLayout->m_Blocks.clear();
CXFA_LayoutItem* pItem = this;
if (!pItem->GetPrev() && !pItem->GetNext())
return true;
pItem = pItem->GetFirst();
while (pItem) {
CFX_RectF rtText = pItem->GetRect(false);
CXFA_MarginData marginData = m_pDataAcc->GetMarginData();
if (marginData.HasValidNode()) {
if (!pItem->GetPrev()) {
float fTopInset = 0;
marginData.TryTopInset(fTopInset);
rtText.height -= fTopInset;
} else if (!pItem->GetNext()) {
float fBottomInset = 0;
marginData.TryBottomInset(fBottomInset);
rtText.height -= fBottomInset;
}
}
pTextLayout->ItemBlocks(rtText, pItem->GetIndex());
pItem = pItem->GetNext();
}
pTextLayout->m_bHasBlock = false;
return true;
}
bool CXFA_FFText::OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) {
if (!GetRectWithoutRotate().Contains(point))
return false;
const wchar_t* wsURLContent = GetLinkURLAtPoint(point);
if (!wsURLContent)
return false;
SetButtonDown(true);
return true;
}
bool CXFA_FFText::OnMouseMove(uint32_t dwFlags, const CFX_PointF& point) {
return GetRectWithoutRotate().Contains(point) && !!GetLinkURLAtPoint(point);
}
bool CXFA_FFText::OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point) {
if (!IsButtonDown())
return false;
SetButtonDown(false);
const wchar_t* wsURLContent = GetLinkURLAtPoint(point);
if (!wsURLContent)
return false;
CXFA_FFDoc* pDoc = GetDoc();
pDoc->GetDocEnvironment()->GotoURL(pDoc, wsURLContent);
return true;
}
FWL_WidgetHit CXFA_FFText::OnHitTest(const CFX_PointF& point) {
if (!GetRectWithoutRotate().Contains(point))
return FWL_WidgetHit::Unknown;
if (!GetLinkURLAtPoint(point))
return FWL_WidgetHit::Unknown;
return FWL_WidgetHit::HyperLink;
}
const wchar_t* CXFA_FFText::GetLinkURLAtPoint(const CFX_PointF& point) {
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (!pTextLayout)
return nullptr;
CFX_RectF rect = GetRectWithoutRotate();
for (const auto& pPieceLine : *pTextLayout->GetPieceLines()) {
for (const auto& pPiece : pPieceLine->m_textPieces) {
if (pPiece->pLinkData &&
pPiece->rtPiece.Contains(point - rect.TopLeft())) {
return pPiece->pLinkData->GetLinkURL();
}
}
}
return nullptr;
}
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