102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
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// Copyright 2014 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FWL_CFWL_WIDGETMGR_H_
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#define XFA_FWL_CFWL_WIDGETMGR_H_
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#include <map>
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#include "core/fxcrt/fx_coordinates.h"
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#include "fxjs/gc/gced_tree_node.h"
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#include "fxjs/gc/heap.h"
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#include "v8/include/cppgc/garbage-collected.h"
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#include "v8/include/cppgc/member.h"
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#include "v8/include/cppgc/visitor.h"
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class CFGAS_GEGraphics;
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class CFWL_App;
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class CFWL_Message;
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class CFWL_Widget;
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class CFWL_WidgetMgr final : public cppgc::GarbageCollected<CFWL_WidgetMgr> {
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public:
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class AdapterIface : public cppgc::GarbageCollectedMixin {
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public:
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virtual ~AdapterIface() = default;
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virtual void RepaintWidget(CFWL_Widget* pWidget) = 0;
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virtual bool GetPopupPos(CFWL_Widget* pWidget,
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float fMinHeight,
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float fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF* pPopupRect) = 0;
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};
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CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
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~CFWL_WidgetMgr();
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void Trace(cppgc::Visitor* visitor) const;
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void OnProcessMessageToForm(CFWL_Message* pMessage);
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void OnDrawWidget(CFWL_Widget* pWidget,
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CFGAS_GEGraphics* pGraphics,
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const CFX_Matrix& matrix);
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CFWL_Widget* GetParentWidget(const CFWL_Widget* pWidget) const;
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CFWL_Widget* GetNextSiblingWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetFirstChildWidget(CFWL_Widget* pWidget) const;
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void RepaintWidget(CFWL_Widget* pWidget, const CFX_RectF& pRect);
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void InsertWidget(CFWL_Widget* pParent, CFWL_Widget* pChild);
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void RemoveWidget(CFWL_Widget* pWidget);
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CFWL_Widget* GetWidgetAtPoint(CFWL_Widget* pParent,
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const CFX_PointF& point) const;
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CFWL_Widget* GetDefaultButton(CFWL_Widget* pParent) const;
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void GetAdapterPopupPos(CFWL_Widget* pWidget,
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float fMinHeight,
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float fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF* pPopupRect) const;
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private:
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class Item final : public GCedTreeNode<Item> {
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public:
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CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
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~Item() final;
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// GcedTreeNode:
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void Trace(cppgc::Visitor* visitor) const override;
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cppgc::Member<CFWL_Widget> const pWidget;
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private:
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explicit Item(CFWL_Widget* widget);
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};
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CFWL_WidgetMgr(AdapterIface* pAdapter, CFWL_App* pApp);
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CFWL_Widget* GetPriorSiblingWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetLastChildWidget(CFWL_Widget* pWidget) const;
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Item* GetWidgetMgrRootItem() const;
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Item* GetWidgetMgrItem(const CFWL_Widget* pWidget) const;
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Item* CreateWidgetMgrItem(CFWL_Widget* pWidget);
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void DrawChildren(CFWL_Widget* pParent,
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const CFX_RectF& rtClip,
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CFGAS_GEGraphics* pGraphics,
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const CFX_Matrix& mtMatrix);
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cppgc::Member<AdapterIface> const m_pAdapter;
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cppgc::Member<CFWL_App> const m_pApp;
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std::map<cppgc::Member<const CFWL_Widget>, cppgc::Member<Item>>
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m_mapWidgetItem;
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};
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#endif // XFA_FWL_CFWL_WIDGETMGR_H_
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