grab from latest android



git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkDrawGroup.h b/src/animator/SkDrawGroup.h
new file mode 100644
index 0000000..0009a4c
--- /dev/null
+++ b/src/animator/SkDrawGroup.h
@@ -0,0 +1,80 @@
+/* libs/graphics/animator/SkDrawGroup.h
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#ifndef SkDrawGroup_DEFINED
+#define SkDrawGroup_DEFINED
+
+#include "SkDrawable.h"
+#include "SkIntArray.h"
+#include "SkMemberInfo.h"
+
+class SkGroup : public SkDrawable { //interface for schema element <g>
+public:
+    DECLARE_MEMBER_INFO(Group);
+    SkGroup();
+    virtual ~SkGroup();
+    virtual bool add(SkAnimateMaker& , SkDisplayable* child);
+    virtual bool contains(SkDisplayable* );
+    SkGroup* copy();
+    SkBool copySet(int index);
+    virtual SkDisplayable* deepCopy(SkAnimateMaker* );
+    virtual bool doEvent(SkDisplayEvent::Kind , SkEventState* state );
+    virtual bool draw(SkAnimateMaker& );
+#ifdef SK_DUMP_ENABLED
+    virtual void dump(SkAnimateMaker* );
+    virtual void dumpDrawables(SkAnimateMaker* );
+    virtual void dumpEvents();
+#endif
+    int findGroup(SkDrawable* drawable,  SkTDDrawableArray** list,
+        SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList);
+    virtual bool enable(SkAnimateMaker& );
+    SkTDDrawableArray* getChildren() { return &fChildren; }
+    SkGroup* getOriginal() { return fOriginal; }
+    virtual bool hasEnable() const;
+    virtual void initialize();
+    SkBool isACopy() { return fOriginal != NULL; }
+    void markCopyClear(int index);
+    void markCopySet(int index);
+    void markCopySize(int index);
+    bool markedForDelete(int index) const { return (fCopies[index >> 5] & 1 << (index & 0x1f)) == 0; }
+    void reset();
+    bool resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* );
+    virtual void setSteps(int steps);
+#ifdef SK_DEBUG
+    virtual void validate();
+#endif
+protected:
+    bool ifCondition(SkAnimateMaker& maker, SkDrawable* drawable,
+        SkString& conditionString);
+    SkString condition;
+    SkString enableCondition;
+    SkTDDrawableArray fChildren;
+    SkTDDrawableArray* fParentList;
+    SkTDIntArray fCopies;
+    SkGroup* fOriginal;
+private:
+    typedef SkDrawable INHERITED;
+};
+
+class SkSave: public SkGroup {
+    DECLARE_MEMBER_INFO(Save);
+    virtual bool draw(SkAnimateMaker& );
+private:
+    typedef SkGroup INHERITED;
+};
+
+#endif // SkDrawGroup_DEFINED