80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SkViewInflate_DEFINED
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#define SkViewInflate_DEFINED
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#include "SkDOM.h"
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#include "SkTDict.h"
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#include "SkEvent.h"
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class SkView;
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class SkViewInflate {
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public:
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SkViewInflate();
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virtual ~SkViewInflate();
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/** Return the tree of inflated views. If root is null, create the root element
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as a view, otherwise assume root is that view, and just "inflate" it.
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Returns null if the tree cannot be built.
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*/
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SkView* inflate(const SkDOM& dom, const SkDOM::Node* node, SkView* root = NULL);
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SkView* inflate(const char xml[], size_t len, SkView* root = NULL);
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/** Given an id attribute value, return the corresponding view, or null
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if no match is found.
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*/
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SkView* findViewByID(const char id[]) const;
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SkDEBUGCODE(void dump() const;)
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protected:
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/* Override this in your subclass to handle instantiating views
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Call the inherited version for nodes you don't recognize.
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Do not call "inflate" on the view, just return it. This will
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get called automatically after createView returns.
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*/
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virtual SkView* createView(const SkDOM& dom, const SkDOM::Node* node);
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/** Base implementation calls view->inflate(dom, node). Subclasses may override this
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to perform additional initializations to view, either before or after calling
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the inherited version.
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*/
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virtual void inflateView(SkView* view, const SkDOM& dom, const SkDOM::Node* node);
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private:
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enum {
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kMinIDStrAlloc = 64
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};
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SkTDict<SkView*> fIDs;
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struct IDStr {
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SkView* fView;
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char* fStr;
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};
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SkTDArray<IDStr> fListenTo, fBroadcastTo;
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SkChunkAlloc fStrings;
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void addIDStr(SkTDArray<IDStr>* list, SkView*, const char* str);
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void rInflate(const SkDOM& dom, const SkDOM::Node* node, SkView* parent);
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};
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#endif
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