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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/basewidget/fwl_caretimp.h"
#include "xfa/fwl/basewidget/ifwl_caret.h"
#include "xfa/fwl/core/cfwl_themebackground.h"
#include "xfa/fwl/core/fwl_noteimp.h"
#include "xfa/fwl/core/fwl_targetimp.h"
#include "xfa/fwl/core/fwl_widgetimp.h"
#include "xfa/fwl/core/ifwl_themeprovider.h"
// static
IFWL_Caret* IFWL_Caret::Create(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter) {
IFWL_Caret* pCaret = new IFWL_Caret;
CFWL_CaretImp* pCaretImpl = new CFWL_CaretImp(properties, pOuter);
pCaret->SetImpl(pCaretImpl);
pCaretImpl->SetInterface(pCaret);
return pCaret;
}
IFWL_Caret::IFWL_Caret() {}
FWL_ERR IFWL_Caret::ShowCaret(FX_BOOL bFlag) {
return static_cast<CFWL_CaretImp*>(GetImpl())->ShowCaret(bFlag);
}
FWL_ERR IFWL_Caret::GetFrequency(uint32_t& elapse) {
return static_cast<CFWL_CaretImp*>(GetImpl())->GetFrequency(elapse);
}
FWL_ERR IFWL_Caret::SetFrequency(uint32_t elapse) {
return static_cast<CFWL_CaretImp*>(GetImpl())->SetFrequency(elapse);
}
FWL_ERR IFWL_Caret::SetColor(CFX_Color crFill) {
return static_cast<CFWL_CaretImp*>(GetImpl())->SetColor(crFill);
}
CFWL_CaretImp::CFWL_CaretImp(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter)
: CFWL_WidgetImp(properties, pOuter),
m_hTimer(nullptr),
m_dwElapse(400),
m_bSetColor(FALSE) {
m_pTimer = new CFWL_CaretTimer(this);
SetStates(FWL_STATE_CAT_HightLight);
}
CFWL_CaretImp::~CFWL_CaretImp() {
if (m_pTimer) {
delete m_pTimer;
m_pTimer = NULL;
}
}
FWL_ERR CFWL_CaretImp::GetClassName(CFX_WideString& wsClass) const {
wsClass = FWL_CLASS_Caret;
return FWL_ERR_Succeeded;
}
uint32_t CFWL_CaretImp::GetClassID() const {
return FWL_CLASSHASH_Caret;
}
FWL_ERR CFWL_CaretImp::Initialize() {
if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
return FWL_ERR_Indefinite;
m_pDelegate = new CFWL_CaretImpDelegate(this);
return FWL_ERR_Succeeded;
}
FWL_ERR CFWL_CaretImp::Finalize() {
if (m_hTimer) {
FWL_StopTimer(m_hTimer);
m_hTimer = NULL;
}
delete m_pDelegate;
m_pDelegate = nullptr;
return CFWL_WidgetImp::Finalize();
}
FWL_ERR CFWL_CaretImp::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return FWL_ERR_Indefinite;
if (!m_pProperties->m_pThemeProvider)
m_pProperties->m_pThemeProvider = GetAvailableTheme();
if (!m_pProperties->m_pThemeProvider)
return FWL_ERR_Indefinite;
DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
return FWL_ERR_Succeeded;
}
FWL_ERR CFWL_CaretImp::ShowCaret(FX_BOOL bFlag) {
if (m_hTimer) {
FWL_StopTimer(m_hTimer);
m_hTimer = NULL;
}
if (bFlag) {
m_hTimer = FWL_StartTimer(m_pTimer, m_dwElapse);
}
return SetStates(FWL_WGTSTATE_Invisible, !bFlag);
}
FWL_ERR CFWL_CaretImp::GetFrequency(uint32_t& elapse) {
elapse = m_dwElapse;
return FWL_ERR_Succeeded;
}
FWL_ERR CFWL_CaretImp::SetFrequency(uint32_t elapse) {
m_dwElapse = elapse;
return FWL_ERR_Succeeded;
}
FWL_ERR CFWL_CaretImp::SetColor(CFX_Color crFill) {
m_bSetColor = TRUE;
m_crFill = crFill;
return FWL_ERR_Succeeded;
}
FX_BOOL CFWL_CaretImp::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 = m_pInterface;
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 FWL_ERR_Succeeded;
}
param.m_iPart = CFWL_Part::Background;
param.m_dwStates = CFWL_PartState_HightLight;
if (pMatrix) {
param.m_matrix.Concat(*pMatrix);
}
pTheme->DrawBackground(¶m);
return FWL_ERR_Succeeded;
}
CFWL_CaretImp::CFWL_CaretTimer::CFWL_CaretTimer(CFWL_CaretImp* pCaret)
: m_pCaret(pCaret) {}
int32_t CFWL_CaretImp::CFWL_CaretTimer::Run(FWL_HTIMER hTimer) {
if (m_pCaret->GetStates() & FWL_STATE_CAT_HightLight) {
m_pCaret->SetStates(FWL_STATE_CAT_HightLight, FALSE);
} else {
m_pCaret->SetStates(FWL_STATE_CAT_HightLight);
}
CFX_RectF rt;
m_pCaret->GetWidgetRect(rt);
rt.Set(0, 0, rt.width + 1, rt.height);
m_pCaret->Repaint(&rt);
return 1;
}
CFWL_CaretImpDelegate::CFWL_CaretImpDelegate(CFWL_CaretImp* pOwner)
: m_pOwner(pOwner) {}
int32_t CFWL_CaretImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
return 1;
}
FWL_ERR CFWL_CaretImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
return m_pOwner->DrawWidget(pGraphics, pMatrix);
}
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