1 files changed, 82 insertions, 0 deletions
diff --git a/xfa/fwl/core/cfwl_notedriver.h b/xfa/fwl/core/cfwl_notedriver.h
new file mode 100644
index 0000000000..a9b2c715db
--- /dev/null
+++ b/xfa/fwl/core/cfwl_notedriver.h
@@ -0,0 +1,82 @@
+// 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_CFWL_NOTEDRIVER_H_
+#define XFA_FWL_CORE_CFWL_NOTEDRIVER_H_
+
+#include <deque>
+#include <memory>
+#include <unordered_map>
+
+#include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/core/ifwl_tooltip.h"
+#include "xfa/fwl/core/ifwl_widget.h"
+#include "xfa/fxgraphics/cfx_graphics.h"
+
+class CFWL_EventTarget;
+class CFWL_NoteLoop;
+class CFWL_TargetImp;
+class IFWL_ToolTip;
+class IFWL_Widget;
+
+class CFWL_NoteDriver {
+ public:
+  CFWL_NoteDriver();
+  ~CFWL_NoteDriver();
+
+  void SendEvent(CFWL_Event* pNote);
+
+  void RegisterEventTarget(IFWL_Widget* pListener,
+                           IFWL_Widget* pEventSource = nullptr,
+                           uint32_t dwFilter = FWL_EVENT_ALL_MASK);
+  void UnregisterEventTarget(IFWL_Widget* pListener);
+  void ClearEventTargets(bool bRemoveAll);
+
+  CFWL_NoteLoop* GetTopLoop() const;
+  void PushNoteLoop(CFWL_NoteLoop* pNoteLoop);
+  CFWL_NoteLoop* PopNoteLoop();
+
+  IFWL_Widget* GetFocus() const { return m_pFocus; }
+  bool SetFocus(IFWL_Widget* pFocus, bool bNotify = false);
+  void SetGrab(IFWL_Widget* pGrab, bool bSet) {
+    m_pGrab = bSet ? pGrab : nullptr;
+  }
+
+  void Run();
+
+  void NotifyTargetHide(IFWL_Widget* pNoteTarget);
+  void NotifyTargetDestroy(IFWL_Widget* pNoteTarget);
+
+  void RegisterForm(IFWL_Widget* pForm);
+  void UnRegisterForm(IFWL_Widget* pForm);
+
+  void QueueMessage(std::unique_ptr<CFWL_Message> pMessage);
+  void UnqueueMessage(CFWL_NoteLoop* pNoteLoop);
+  void ProcessMessage(CFWL_Message* pMessage);
+
+ private:
+  bool DispatchMessage(CFWL_Message* pMessage, IFWL_Widget* pMessageForm);
+  bool DoSetFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  bool DoKillFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  bool DoKey(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  bool DoMouse(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  bool DoWheel(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  bool DoMouseEx(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
+  void MouseSecondary(CFWL_Message* pMsg);
+  bool IsValidMessage(CFWL_Message* pMessage);
+  IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget);
+
+  CFX_ArrayTemplate<IFWL_Widget*> m_forms;
+  std::deque<std::unique_ptr<CFWL_Message>> m_noteQueue;
+  CFX_ArrayTemplate<CFWL_NoteLoop*> m_noteLoopQueue;
+  std::unordered_map<uint32_t, CFWL_EventTarget*> m_eventTargets;
+  IFWL_Widget* m_pHover;
+  IFWL_Widget* m_pFocus;
+  IFWL_Widget* m_pGrab;
+  std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
+};
+
+#endif  // XFA_FWL_CORE_CFWL_NOTEDRIVER_H_