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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/fwl/core/ifwl_caret.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fwl/core/cfwl_themebackground.h"
#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
#include "xfa/fwl/core/fwl_noteimp.h"
#include "xfa/fwl/core/ifwl_caret.h"
#include "xfa/fwl/core/ifwl_themeprovider.h"
IFWL_Caret::IFWL_Caret(const IFWL_App* app,
const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter)
: IFWL_Widget(app, properties, pOuter),
m_pTimer(new IFWL_Caret::Timer(this)),
m_pTimerInfo(nullptr),
m_dwElapse(400),
m_bSetColor(FALSE) {
SetStates(FWL_STATE_CAT_HightLight);
SetDelegate(pdfium::MakeUnique<CFWL_CaretImpDelegate>(this));
}
IFWL_Caret::~IFWL_Caret() {
if (m_pTimerInfo) {
m_pTimerInfo->StopTimer();
m_pTimerInfo = nullptr;
}
}
FWL_Type IFWL_Caret::GetClassID() const {
return FWL_Type::Caret;
}
FWL_Error IFWL_Caret::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return FWL_Error::Indefinite;
if (!m_pProperties->m_pThemeProvider)
m_pProperties->m_pThemeProvider = GetAvailableTheme();
if (!m_pProperties->m_pThemeProvider)
return FWL_Error::Indefinite;
DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
return FWL_Error::Succeeded;
}
void IFWL_Caret::ShowCaret(FX_BOOL bFlag) {
if (m_pTimerInfo) {
m_pTimerInfo->StopTimer();
m_pTimerInfo = nullptr;
}
if (bFlag)
m_pTimerInfo = m_pTimer->StartTimer(m_dwElapse, true);
SetStates(FWL_WGTSTATE_Invisible, !bFlag);
}
FWL_Error IFWL_Caret::GetFrequency(uint32_t& elapse) {
elapse = m_dwElapse;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Caret::SetFrequency(uint32_t elapse) {
m_dwElapse = elapse;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Caret::SetColor(CFX_Color crFill) {
m_bSetColor = TRUE;
m_crFill = crFill;
return FWL_Error::Succeeded;
}
void IFWL_Caret::DrawCaretBK(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix) {
CFX_RectF rect;
GetWidgetRect(rect);
rect.Set(0, 0, rect.width, rect.height);
CFWL_ThemeBackground param;
param.m_pWidget = this;
param.m_pGraphics = pGraphics;
param.m_rtPart = rect;
if (m_bSetColor)
param.m_pData = &m_crFill;
if (!(m_pProperties->m_dwStates & FWL_STATE_CAT_HightLight))
return;
param.m_iPart = CFWL_Part::Background;
param.m_dwStates = CFWL_PartState_HightLight;
if (pMatrix)
param.m_matrix.Concat(*pMatrix);
pTheme->DrawBackground(¶m);
}
IFWL_Caret::Timer::Timer(IFWL_Caret* pCaret) : IFWL_Timer(pCaret) {}
void IFWL_Caret::Timer::Run(IFWL_TimerInfo* pTimerInfo) {
IFWL_Caret* pCaret = static_cast<IFWL_Caret*>(m_pWidget);
bool toggle = !(pCaret->GetStates() & FWL_STATE_CAT_HightLight);
pCaret->SetStates(FWL_STATE_CAT_HightLight, toggle);
CFX_RectF rt;
pCaret->GetWidgetRect(rt);
rt.Set(0, 0, rt.width + 1, rt.height);
pCaret->Repaint(&rt);
}
CFWL_CaretImpDelegate::CFWL_CaretImpDelegate(IFWL_Caret* pOwner)
: m_pOwner(pOwner) {}
void CFWL_CaretImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {}
void CFWL_CaretImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
m_pOwner->DrawWidget(pGraphics, pMatrix);
}
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