1 files changed, 78 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_caret.h b/xfa/fwl/core/ifwl_caret.h
new file mode 100644
index 0000000000..e261fe95c3
--- /dev/null
+++ b/xfa/fwl/core/ifwl_caret.h
@@ -0,0 +1,78 @@
+// 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
+
+#ifndef XFA_FWL_CORE_IFWL_CARET_H_
+#define XFA_FWL_CORE_IFWL_CARET_H_
+
+#include <memory>
+
+#include "xfa/fwl/core/ifwl_timer.h"
+#include "xfa/fwl/core/ifwl_widget.h"
+#include "xfa/fxgraphics/cfx_color.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_CaretImpDelegate;
+
+#define FWL_CLASS_Caret L"FWL_CARET"
+#define FWL_STATE_CAT_HightLight 1
+
+class IFWL_Caret : public IFWL_Widget {
+ public:
+  static IFWL_Caret* Create(const CFWL_WidgetImpProperties& properties,
+                            IFWL_Widget* pOuter);
+
+  IFWL_Caret(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
+  ~IFWL_Caret() override;
+
+  // IFWL_Widget
+  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
+  FWL_Type GetClassID() const override;
+  FWL_Error Initialize() override;
+  FWL_Error Finalize() override;
+  FWL_Error DrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = nullptr) override;
+
+  void ShowCaret(FX_BOOL bFlag = TRUE);
+  FWL_Error GetFrequency(uint32_t& elapse);
+  FWL_Error SetFrequency(uint32_t elapse);
+  FWL_Error SetColor(CFX_Color crFill);
+
+ protected:
+  friend class CFWL_CaretImpDelegate;
+  friend class CFWL_CaretTimer;
+
+  class CFWL_CaretTimer : public IFWL_Timer {
+   public:
+    explicit CFWL_CaretTimer(IFWL_Caret* pCaret);
+    ~CFWL_CaretTimer() override {}
+    void Run(IFWL_TimerInfo* hTimer) override;
+    IFWL_Caret* const m_pCaret;
+  };
+
+  void DrawCaretBK(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix);
+
+  std::unique_ptr<CFWL_CaretTimer> m_pTimer;
+  IFWL_TimerInfo* m_pTimerInfo;  // not owned.
+  uint32_t m_dwElapse;
+  CFX_Color m_crFill;
+  FX_BOOL m_bSetColor;
+};
+
+class CFWL_CaretImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_CaretImpDelegate(IFWL_Caret* pOwner);
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix = nullptr) override;
+
+ protected:
+  IFWL_Caret* m_pOwner;
+};
+
+#endif  // XFA_FWL_CORE_IFWL_CARET_H_