cxfa_fwltheme.h

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// Copyright 2014 The PDFium Authors
// 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_FXFA_CXFA_FWLTHEME_H_
#define XFA_FXFA_CXFA_FWLTHEME_H_
 
#include <memory>
 
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/widestring.h"
#include "fxjs/gc/heap.h"
#include "v8/include/cppgc/garbage-collected.h"
#include "v8/include/cppgc/member.h"
#include "v8/include/cppgc/prefinalizer.h"
#include "xfa/fwl/ifwl_themeprovider.h"
 
class CFDE_TextOut;
class CXFA_FFApp;
class CXFA_FFDoc;
 
class CXFA_FWLTheme final : public cppgc::GarbageCollected<CXFA_FWLTheme>,
                            public IFWL_ThemeProvider {
  CPPGC_USING_PRE_FINALIZER(CXFA_FWLTheme, PreFinalize);
 
 public:
  CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
  ~CXFA_FWLTheme() override;
 
  void PreFinalize();
 
  // IFWL_ThemeProvider:
  void Trace(cppgc::Visitor* visitor) const override;
  void DrawBackground(const CFWL_ThemeBackground& pParams) override;
  void DrawText(const CFWL_ThemeText& pParams) override;
  void CalcTextRect(const CFWL_ThemeText& pParams, CFX_RectF* pRect) override;
  float GetCXBorderSize() const override;
  float GetCYBorderSize() const override;
  CFX_RectF GetUIMargin(const CFWL_ThemePart& pThemePart) const override;
  float GetFontSize(const CFWL_ThemePart& pThemePart) const override;
  RetainPtr<CFGAS_GEFont> GetFont(const CFWL_ThemePart& pThemePart) override;
  RetainPtr<CFGAS_GEFont> GetFWLFont() override;
  float GetLineHeight(const CFWL_ThemePart& pThemePart) const override;
  float GetScrollBarWidth() const override;
  FX_COLORREF GetTextColor(const CFWL_ThemePart& pThemePart) const override;
  CFX_SizeF GetSpaceAboveBelow(const CFWL_ThemePart& pThemePart) const override;
 
  bool LoadCalendarFont(CXFA_FFDoc* doc);
 
 private:
  CXFA_FWLTheme(cppgc::Heap* pHeap, CXFA_FFApp* pApp);
 
  std::unique_ptr<CFDE_TextOut> m_pTextOut;
  RetainPtr<CFGAS_GEFont> m_pFWLFont;
  RetainPtr<CFGAS_GEFont> m_pCalendarFont;
  cppgc::Member<CXFA_FFApp> const m_pApp;
  WideString m_wsResource;
  CFX_RectF m_Rect;
};
 
#endif  // XFA_FXFA_CXFA_FWLTHEME_H_