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 /*

  * Copyright 2006 The Android Open Source Project

  *

  * Use of this source code is governed by a BSD-style license that can be

  * found in the LICENSE file.

  */

 #ifndef SkViewInflate_DEFINED

 #define SkViewInflate_DEFINED

 #include "SkDOM.h"

 #include "SkTDict.h"

 #include "SkEvent.h"

 class SkView;

 class SkViewInflate {

 public:

             SkViewInflate();

     virtual ~SkViewInflate();

     /** Return the tree of inflated views. If root is null, create the root element

         as a view, otherwise assume root is that view, and just "inflate" it.

         Returns null if the tree cannot be built.

     */

     SkView* inflate(const SkDOM& dom, const SkDOM::Node* node, SkView* root = NULL);

     SkView* inflate(const char xml[], size_t len, SkView* root = NULL);

     /** Given an id attribute value, return the corresponding view, or null

         if no match is found.

     */

     SkView* findViewByID(const char id[]) const;

     SkDEBUGCODE(void dump() const;)

 protected:

     /*  Override this in your subclass to handle instantiating views

         Call the inherited version for nodes you don't recognize.

         Do not call "inflate" on the view, just return it. This will

         get called automatically after createView returns.

     */

     virtual SkView* createView(const SkDOM& dom, const SkDOM::Node* node);

     /** Base implementation calls view->inflate(dom, node). Subclasses may override this

         to perform additional initializations to view, either before or after calling

         the inherited version.

     */

     virtual void inflateView(SkView* view, const SkDOM& dom, const SkDOM::Node* node);

 private:

     enum {

         kMinIDStrAlloc = 64

     };

     SkTDict<SkView*> fIDs;

     struct IDStr {

         SkView* fView;

         char*   fStr;

     };

     SkTDArray<IDStr>    fListenTo, fBroadcastTo;

     SkChunkAlloc        fStrings;

     void addIDStr(SkTDArray<IDStr>* list, SkView*, const char* str);

     void    rInflate(const SkDOM& dom, const SkDOM::Node* node, SkView* parent);

 };

 #endif