1 files changed, 144 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_caret.cpp b/xfa/fwl/core/ifwl_caret.cpp
new file mode 100644
index 0000000000..5ece9626eb
--- /dev/null
+++ b/xfa/fwl/core/ifwl_caret.cpp
@@ -0,0 +1,144 @@
+// 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 "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"
+
+// static
+IFWL_Caret* IFWL_Caret::Create(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter) {
+  return new IFWL_Caret(properties, pOuter);
+}
+
+IFWL_Caret::IFWL_Caret(const CFWL_WidgetImpProperties& properties,
+                       IFWL_Widget* pOuter)
+    : IFWL_Widget(properties, pOuter),
+      m_pTimer(new CFWL_CaretTimer(this)),
+      m_pTimerInfo(nullptr),
+      m_dwElapse(400),
+      m_bSetColor(FALSE) {
+  SetStates(FWL_STATE_CAT_HightLight);
+}
+
+IFWL_Caret::~IFWL_Caret() {}
+
+FWL_Error IFWL_Caret::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Caret;
+  return FWL_Error::Succeeded;
+}
+
+FWL_Type IFWL_Caret::GetClassID() const {
+  return FWL_Type::Caret;
+}
+
+FWL_Error IFWL_Caret::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
+    return FWL_Error::Indefinite;
+
+  m_pDelegate = new CFWL_CaretImpDelegate(this);
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_Caret::Finalize() {
+  if (m_pTimerInfo) {
+    m_pTimerInfo->StopTimer();
+    m_pTimerInfo = nullptr;
+  }
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return IFWL_Widget::Finalize();
+}
+
+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(&param);
+}
+
+IFWL_Caret::CFWL_CaretTimer::CFWL_CaretTimer(IFWL_Caret* pCaret)
+    : m_pCaret(pCaret) {}
+
+void IFWL_Caret::CFWL_CaretTimer::Run(IFWL_TimerInfo* pTimerInfo) {
+  bool toggle = !(m_pCaret->GetStates() & FWL_STATE_CAT_HightLight);
+  m_pCaret->SetStates(FWL_STATE_CAT_HightLight, toggle);
+
+  CFX_RectF rt;
+  m_pCaret->GetWidgetRect(rt);
+  rt.Set(0, 0, rt.width + 1, rt.height);
+  m_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);
+}