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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_ffpushbutton.h"
#include <utility>
#include "third_party/base/ptr_util.h"
#include "xfa/fwl/cfwl_notedriver.h"
#include "xfa/fwl/cfwl_pushbutton.h"
#include "xfa/fwl/cfwl_widgetmgr.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_fffield.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_textlayout.h"
#include "xfa/fxfa/cxfa_textprovider.h"
#include "xfa/fxfa/parser/cxfa_border.h"
#include "xfa/fxfa/parser/cxfa_button.h"
#include "xfa/fxfa/parser/cxfa_caption.h"
#include "xfa/fxfa/parser/cxfa_edge.h"
#include "xfa/fxgraphics/cxfa_gecolor.h"
#include "xfa/fxgraphics/cxfa_gepath.h"
CXFA_FFPushButton::CXFA_FFPushButton(CXFA_Node* pNode, CXFA_Button* button)
: CXFA_FFField(pNode), button_(button) {}
CXFA_FFPushButton::~CXFA_FFPushButton() = default;
void CXFA_FFPushButton::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);
RenderHighlightCaption(pGS, &mtRotate);
CFX_RectF rtWidget = GetRectWithoutRotate();
CFX_Matrix mt(1, 0, 0, 1, rtWidget.left, rtWidget.top);
mt.Concat(mtRotate);
GetApp()->GetFWLWidgetMgr()->OnDrawWidget(m_pNormalWidget.get(), pGS, mt);
}
bool CXFA_FFPushButton::LoadWidget() {
ASSERT(!m_pNormalWidget);
auto pNew = pdfium::MakeUnique<CFWL_PushButton>(GetFWLApp());
CFWL_PushButton* pPushButton = pNew.get();
m_pOldDelegate = pPushButton->GetDelegate();
pPushButton->SetDelegate(this);
m_pNormalWidget = std::move(pNew);
m_pNormalWidget->SetLayoutItem(this);
CFWL_NoteDriver* pNoteDriver =
m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
pNoteDriver->RegisterEventTarget(m_pNormalWidget.get(),
m_pNormalWidget.get());
m_pNormalWidget->LockUpdate();
UpdateWidgetProperty();
LoadHighlightCaption();
m_pNormalWidget->UnlockUpdate();
return CXFA_FFField::LoadWidget();
}
void CXFA_FFPushButton::UpdateWidgetProperty() {
uint32_t dwStyleEx = 0;
switch (button_->GetHighlight()) {
case XFA_AttributeEnum::Inverted:
dwStyleEx = XFA_FWL_PSBSTYLEEXT_HiliteInverted;
break;
case XFA_AttributeEnum::Outline:
dwStyleEx = XFA_FWL_PSBSTYLEEXT_HiliteOutLine;
break;
case XFA_AttributeEnum::Push:
dwStyleEx = XFA_FWL_PSBSTYLEEXT_HilitePush;
break;
default:
break;
}
m_pNormalWidget->ModifyStylesEx(dwStyleEx, 0xFFFFFFFF);
}
bool CXFA_FFPushButton::PerformLayout() {
CXFA_FFWidget::PerformLayout();
CFX_RectF rtWidget = GetRectWithoutRotate();
m_rtUI = rtWidget;
CXFA_Margin* margin = m_pNode->GetMarginIfExists();
XFA_RectWithoutMargin(&rtWidget, margin);
m_rtCaption = rtWidget;
CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
CXFA_Margin* captionMargin = caption ? caption->GetMarginIfExists() : nullptr;
XFA_RectWithoutMargin(&m_rtCaption, captionMargin);
LayoutHighlightCaption();
SetFWLRect();
if (m_pNormalWidget)
m_pNormalWidget->Update();
return true;
}
float CXFA_FFPushButton::GetLineWidth() {
CXFA_Border* border = m_pNode->GetBorderIfExists();
if (border && border->GetPresence() == XFA_AttributeEnum::Visible) {
CXFA_Edge* edge = border->GetEdgeIfExists(0);
return edge ? edge->GetThickness() : 0;
}
return 0;
}
FX_ARGB CXFA_FFPushButton::GetLineColor() {
return 0xFF000000;
}
FX_ARGB CXFA_FFPushButton::GetFillColor() {
return 0xFFFFFFFF;
}
void CXFA_FFPushButton::LoadHighlightCaption() {
CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
if (!caption || caption->IsHidden())
return;
if (m_pNode->HasButtonRollover()) {
if (!m_pRollProvider) {
m_pRollProvider = pdfium::MakeUnique<CXFA_TextProvider>(
m_pNode.Get(), XFA_TEXTPROVIDERTYPE_Rollover);
}
m_pRolloverTextLayout =
pdfium::MakeUnique<CXFA_TextLayout>(GetDoc(), m_pRollProvider.get());
}
if (m_pNode->HasButtonDown()) {
if (!m_pDownProvider) {
m_pDownProvider = pdfium::MakeUnique<CXFA_TextProvider>(
m_pNode.Get(), XFA_TEXTPROVIDERTYPE_Down);
}
m_pDownTextLayout =
pdfium::MakeUnique<CXFA_TextLayout>(GetDoc(), m_pDownProvider.get());
}
}
void CXFA_FFPushButton::LayoutHighlightCaption() {
CFX_SizeF sz(m_rtCaption.width, m_rtCaption.height);
LayoutCaption();
if (m_pRolloverTextLayout)
m_pRolloverTextLayout->Layout(sz);
if (m_pDownTextLayout)
m_pDownTextLayout->Layout(sz);
}
void CXFA_FFPushButton::RenderHighlightCaption(CXFA_Graphics* pGS,
CFX_Matrix* pMatrix) {
CXFA_TextLayout* pCapTextLayout = m_pNode->GetCaptionTextLayout();
CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
if (!caption || !caption->IsVisible())
return;
CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
CFX_RectF rtClip = m_rtCaption;
rtClip.Intersect(GetRectWithoutRotate());
CFX_Matrix mt(1, 0, 0, 1, m_rtCaption.left, m_rtCaption.top);
if (pMatrix) {
rtClip = pMatrix->TransformRect(rtClip);
mt.Concat(*pMatrix);
}
uint32_t dwState = m_pNormalWidget->GetStates();
if (m_pDownTextLayout && (dwState & FWL_STATE_PSB_Pressed) &&
(dwState & FWL_STATE_PSB_Hovered)) {
if (m_pDownTextLayout->DrawString(pRenderDevice, mt, rtClip, 0))
return;
} else if (m_pRolloverTextLayout && (dwState & FWL_STATE_PSB_Hovered)) {
if (m_pRolloverTextLayout->DrawString(pRenderDevice, mt, rtClip, 0))
return;
}
if (pCapTextLayout)
pCapTextLayout->DrawString(pRenderDevice, mt, rtClip, 0);
}
void CXFA_FFPushButton::OnProcessMessage(CFWL_Message* pMessage) {
m_pOldDelegate->OnProcessMessage(pMessage);
}
void CXFA_FFPushButton::OnProcessEvent(CFWL_Event* pEvent) {
m_pOldDelegate->OnProcessEvent(pEvent);
CXFA_FFField::OnProcessEvent(pEvent);
}
void CXFA_FFPushButton::OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) {
if (m_pNormalWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HiliteInverted) {
if ((m_pNormalWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
(m_pNormalWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
CFX_RectF rtFill(0, 0, m_pNormalWidget->GetWidgetRect().Size());
float fLineWith = GetLineWidth();
rtFill.Deflate(fLineWith, fLineWith);
CXFA_GEPath path;
path.AddRectangle(rtFill.left, rtFill.top, rtFill.width, rtFill.height);
pGraphics->SetFillColor(CXFA_GEColor(ArgbEncode(128, 128, 255, 255)));
pGraphics->FillPath(&path, FXFILL_WINDING, &matrix);
}
return;
}
if (m_pNormalWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HiliteOutLine) {
if ((m_pNormalWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
(m_pNormalWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
float fLineWidth = GetLineWidth();
pGraphics->SetStrokeColor(CXFA_GEColor(ArgbEncode(255, 128, 255, 255)));
pGraphics->SetLineWidth(fLineWidth);
CXFA_GEPath path;
CFX_RectF rect = m_pNormalWidget->GetWidgetRect();
path.AddRectangle(0, 0, rect.width, rect.height);
pGraphics->StrokePath(&path, &matrix);
}
}
}
FormFieldType CXFA_FFPushButton::GetFormFieldType() {
return FormFieldType::kXFA_PushButton;
}