// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/app/xfa_fftext.h"
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#include "xfa/fwl/core/fwl_widgetdef.h"
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#include "xfa/fxfa/app/xfa_ffdraw.h"
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#include "xfa/fxfa/app/xfa_textlayout.h"
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#include "xfa/fxfa/include/xfa_ffapp.h"
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#include "xfa/fxfa/include/xfa_ffdoc.h"
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#include "xfa/fxfa/include/xfa_ffpageview.h"
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#include "xfa/fxfa/include/xfa_ffwidget.h"
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#include "xfa/fxgraphics/include/cfx_graphics.h"
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CXFA_FFText::CXFA_FFText(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc)
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: CXFA_FFDraw(pPageView, pDataAcc) {}
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CXFA_FFText::~CXFA_FFText() {}
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void CXFA_FFText::RenderWidget(CFX_Graphics* pGS,
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CFX_Matrix* pMatrix,
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uint32_t dwStatus) {
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if (!IsMatchVisibleStatus(dwStatus)) {
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return;
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}
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{
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CFX_Matrix mtRotate;
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GetRotateMatrix(mtRotate);
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if (pMatrix) {
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mtRotate.Concat(*pMatrix);
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}
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CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
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CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
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if (pTextLayout) {
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CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
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CFX_RectF rtText;
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GetRectWithoutRotate(rtText);
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if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
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CXFA_LayoutItem* pItem = this;
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if (!pItem->GetPrev() && !pItem->GetNext()) {
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XFA_RectWidthoutMargin(rtText, mgWidget);
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} else {
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FX_FLOAT fLeftInset, fRightInset, fTopInset = 0, fBottomInset = 0;
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mgWidget.GetLeftInset(fLeftInset);
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mgWidget.GetRightInset(fRightInset);
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if (!pItem->GetPrev()) {
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mgWidget.GetTopInset(fTopInset);
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} else if (!pItem->GetNext()) {
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mgWidget.GetBottomInset(fBottomInset);
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}
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rtText.Deflate(fLeftInset, fTopInset, fRightInset, fBottomInset);
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}
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}
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CFX_Matrix mt;
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mt.Set(1, 0, 0, 1, rtText.left, rtText.top);
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CFX_RectF rtClip = rtText;
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mtRotate.TransformRect(rtClip);
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mt.Concat(mtRotate);
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pTextLayout->DrawString(pRenderDevice, mt, rtClip, GetIndex());
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}
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}
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}
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FX_BOOL CXFA_FFText::IsLoaded() {
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CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
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return pTextLayout && !pTextLayout->m_bHasBlock;
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}
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FX_BOOL CXFA_FFText::PerformLayout() {
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CXFA_FFDraw::PerformLayout();
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CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
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if (!pTextLayout) {
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return FALSE;
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}
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if (!pTextLayout->m_bHasBlock) {
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return TRUE;
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}
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pTextLayout->m_Blocks.RemoveAll();
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CXFA_LayoutItem* pItem = this;
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if (!pItem->GetPrev() && !pItem->GetNext()) {
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return TRUE;
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}
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pItem = pItem->GetFirst();
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while (pItem) {
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CFX_RectF rtText;
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pItem->GetRect(rtText);
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if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
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if (!pItem->GetPrev()) {
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FX_FLOAT fTopInset;
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mgWidget.GetTopInset(fTopInset);
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rtText.height -= fTopInset;
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} else if (!pItem->GetNext()) {
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FX_FLOAT fBottomInset;
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mgWidget.GetBottomInset(fBottomInset);
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rtText.height -= fBottomInset;
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}
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}
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pTextLayout->ItemBlocks(rtText, pItem->GetIndex());
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pItem = pItem->GetNext();
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}
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pTextLayout->m_bHasBlock = FALSE;
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return TRUE;
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}
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FX_BOOL CXFA_FFText::OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
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CFX_RectF rtBox;
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GetRectWithoutRotate(rtBox);
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if (!rtBox.Contains(fx, fy)) {
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return FALSE;
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}
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const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
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if (!wsURLContent) {
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return FALSE;
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}
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SetButtonDown(TRUE);
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return TRUE;
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}
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FX_BOOL CXFA_FFText::OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
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CFX_RectF rtBox;
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GetRectWithoutRotate(rtBox);
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if (!rtBox.Contains(fx, fy)) {
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return FALSE;
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}
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const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
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if (!wsURLContent) {
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return FALSE;
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}
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return TRUE;
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}
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FX_BOOL CXFA_FFText::OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
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if (!IsButtonDown()) {
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return FALSE;
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}
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SetButtonDown(FALSE);
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const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
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if (!wsURLContent) {
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return FALSE;
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}
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CXFA_FFDoc* pDoc = GetDoc();
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pDoc->GetDocProvider()->GotoURL(pDoc, wsURLContent, FALSE);
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return TRUE;
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}
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FWL_WidgetHit CXFA_FFText::OnHitTest(FX_FLOAT fx, FX_FLOAT fy) {
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CFX_RectF rtBox;
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GetRectWithoutRotate(rtBox);
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if (!rtBox.Contains(fx, fy))
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return FWL_WidgetHit::Unknown;
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if (!GetLinkURLAtPoint(fx, fy))
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return FWL_WidgetHit::Unknown;
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return FWL_WidgetHit::HyperLink;
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}
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const FX_WCHAR* CXFA_FFText::GetLinkURLAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
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CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
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if (!pTextLayout) {
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return nullptr;
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}
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FX_FLOAT x(fx), y(fy);
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FWLToClient(x, y);
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const CXFA_PieceLineArray* pPieceLines = pTextLayout->GetPieceLines();
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int32_t iCount = pPieceLines->GetSize();
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for (int32_t i = 0; i < iCount; i++) {
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CXFA_PieceLine* pPieceLine = pPieceLines->GetAt(i);
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int32_t iPieces = pPieceLine->m_textPieces.GetSize();
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for (int32_t j = 0; j < iPieces; j++) {
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XFA_TextPiece* pPiece = pPieceLine->m_textPieces.GetAt(j);
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if (pPiece->pLinkData && pPiece->rtPiece.Contains(x, y)) {
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return pPiece->pLinkData->GetLinkURL();
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}
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}
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}
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return nullptr;
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}
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void CXFA_FFText::FWLToClient(FX_FLOAT& fx, FX_FLOAT& fy) {
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CFX_RectF rtWidget;
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GetRectWithoutRotate(rtWidget);
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fx -= rtWidget.left;
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fy -= rtWidget.top;
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}
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