diff options
Diffstat (limited to 'xfa/src/fdp/src/css/fde_csscache.h')
| -rw-r--r-- | xfa/src/fdp/src/css/fde_csscache.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/xfa/src/fdp/src/css/fde_csscache.h b/xfa/src/fdp/src/css/fde_csscache.h new file mode 100644 index 0000000000..f4b8cffd57 --- /dev/null +++ b/xfa/src/fdp/src/css/fde_csscache.h @@ -0,0 +1,97 @@ +// 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 _FDE_CSSCACHE
+#define _FDE_CSSCACHE
+typedef struct _FDE_CSSCACHEITEM : public CFX_Target {
+ _FDE_CSSCACHEITEM(IFDE_CSSStyleSheet *p);
+ ~_FDE_CSSCACHEITEM();
+ IFDE_CSSStyleSheet *pStylesheet;
+ FX_DWORD dwActivity;
+} FDE_CSSCACHEITEM, * FDE_LPCSSCACHEITEM;
+class CFDE_CSSStyleSheetCache : public IFDE_CSSStyleSheetCache, public CFX_ThreadLock, public CFX_Target
+{
+public:
+ CFDE_CSSStyleSheetCache();
+ ~CFDE_CSSStyleSheetCache();
+ virtual void Release()
+ {
+ FDE_Delete this;
+ }
+
+ virtual void SetMaxItems(FX_INT32 iMaxCount = 5)
+ {
+ FXSYS_assert(iMaxCount >= 3);
+ m_iMaxItems = iMaxCount;
+ }
+
+ virtual void AddStyleSheet(FX_BSTR szKey, IFDE_CSSStyleSheet *pStyleSheet);
+ virtual IFDE_CSSStyleSheet* GetStyleSheet(FX_BSTR szKey) const;
+ virtual void RemoveStyleSheet(FX_BSTR szKey);
+protected:
+ void RemoveLowestActivityItem();
+ CFX_MapByteStringToPtr m_Stylesheets;
+ IFX_MEMAllocator *m_pFixedStore;
+ FX_INT32 m_iMaxItems;
+};
+typedef struct _FDE_CSSTAGCACHE : public CFX_Target {
+public:
+ _FDE_CSSTAGCACHE(_FDE_CSSTAGCACHE *parent, IFDE_CSSTagProvider *tag);
+ _FDE_CSSTAGCACHE(const _FDE_CSSTAGCACHE &it);
+ _FDE_CSSTAGCACHE* GetParent() const
+ {
+ return pParent;
+ }
+ IFDE_CSSTagProvider* GetTag() const
+ {
+ return pTag;
+ }
+ FX_DWORD HashID() const
+ {
+ return dwIDHash;
+ }
+ FX_DWORD HashTag() const
+ {
+ return dwTagHash;
+ }
+ FX_INT32 CountHashClass() const
+ {
+ return dwClassHashs.GetSize();
+ }
+ void SetClassIndex(FX_INT32 index)
+ {
+ iClassIndex = index;
+ }
+ FX_DWORD HashClass() const
+ {
+ return iClassIndex < dwClassHashs.GetSize() ? dwClassHashs.GetAt(iClassIndex) : 0;
+ }
+protected:
+ IFDE_CSSTagProvider *pTag;
+ _FDE_CSSTAGCACHE *pParent;
+ FX_DWORD dwIDHash;
+ FX_DWORD dwTagHash;
+ FX_INT32 iClassIndex;
+ CFDE_DWordArray dwClassHashs;
+} FDE_CSSTAGCACHE, * FDE_LPCSSTAGCACHE;
+typedef CFX_ObjectStackTemplate<FDE_CSSTAGCACHE> CFDE_CSSTagStack;
+class CFDE_CSSAccelerator : public IFDE_CSSAccelerator, public CFX_Target
+{
+public:
+ virtual void OnEnterTag(IFDE_CSSTagProvider *pTag);
+ virtual void OnLeaveTag(IFDE_CSSTagProvider *pTag);
+ void Clear()
+ {
+ m_Stack.RemoveAll();
+ }
+ FDE_LPCSSTAGCACHE GetTopElement() const
+ {
+ return m_Stack.GetTopElement();
+ }
+protected:
+ CFDE_CSSTagStack m_Stack;
+};
+#endif
|