michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkViewInflate_DEFINED
michael@0: #define SkViewInflate_DEFINED
michael@0: 
michael@0: #include "SkDOM.h"
michael@0: #include "SkTDict.h"
michael@0: #include "SkEvent.h"
michael@0: 
michael@0: class SkView;
michael@0: 
michael@0: class SkViewInflate {
michael@0: public:
michael@0:             SkViewInflate();
michael@0:     virtual ~SkViewInflate();
michael@0: 
michael@0:     /** Return the tree of inflated views. If root is null, create the root element
michael@0:         as a view, otherwise assume root is that view, and just "inflate" it.
michael@0: 
michael@0:         Returns null if the tree cannot be built.
michael@0:     */
michael@0:     SkView* inflate(const SkDOM& dom, const SkDOM::Node* node, SkView* root = NULL);
michael@0:     SkView* inflate(const char xml[], size_t len, SkView* root = NULL);
michael@0: 
michael@0:     /** Given an id attribute value, return the corresponding view, or null
michael@0:         if no match is found.
michael@0:     */
michael@0:     SkView* findViewByID(const char id[]) const;
michael@0: 
michael@0:     SkDEBUGCODE(void dump() const;)
michael@0: 
michael@0: protected:
michael@0:     /*  Override this in your subclass to handle instantiating views
michael@0:         Call the inherited version for nodes you don't recognize.
michael@0: 
michael@0:         Do not call "inflate" on the view, just return it. This will
michael@0:         get called automatically after createView returns.
michael@0:     */
michael@0:     virtual SkView* createView(const SkDOM& dom, const SkDOM::Node* node);
michael@0:     /** Base implementation calls view->inflate(dom, node). Subclasses may override this
michael@0:         to perform additional initializations to view, either before or after calling
michael@0:         the inherited version.
michael@0:     */
michael@0:     virtual void inflateView(SkView* view, const SkDOM& dom, const SkDOM::Node* node);
michael@0: 
michael@0: private:
michael@0:     enum {
michael@0:         kMinIDStrAlloc = 64
michael@0:     };
michael@0:     SkTDict<SkView*> fIDs;
michael@0: 
michael@0:     struct IDStr {
michael@0:         SkView* fView;
michael@0:         char*   fStr;
michael@0:     };
michael@0:     SkTDArray<IDStr>    fListenTo, fBroadcastTo;
michael@0:     SkChunkAlloc        fStrings;
michael@0: 
michael@0:     void addIDStr(SkTDArray<IDStr>* list, SkView*, const char* str);
michael@0: 
michael@0:     void    rInflate(const SkDOM& dom, const SkDOM::Node* node, SkView* parent);
michael@0: };
michael@0: 
michael@0: #endif