1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/include/views/SkViewInflate.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,71 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#ifndef SkViewInflate_DEFINED
1.14 +#define SkViewInflate_DEFINED
1.15 +
1.16 +#include "SkDOM.h"
1.17 +#include "SkTDict.h"
1.18 +#include "SkEvent.h"
1.19 +
1.20 +class SkView;
1.21 +
1.22 +class SkViewInflate {
1.23 +public:
1.24 + SkViewInflate();
1.25 + virtual ~SkViewInflate();
1.26 +
1.27 + /** Return the tree of inflated views. If root is null, create the root element
1.28 + as a view, otherwise assume root is that view, and just "inflate" it.
1.29 +
1.30 + Returns null if the tree cannot be built.
1.31 + */
1.32 + SkView* inflate(const SkDOM& dom, const SkDOM::Node* node, SkView* root = NULL);
1.33 + SkView* inflate(const char xml[], size_t len, SkView* root = NULL);
1.34 +
1.35 + /** Given an id attribute value, return the corresponding view, or null
1.36 + if no match is found.
1.37 + */
1.38 + SkView* findViewByID(const char id[]) const;
1.39 +
1.40 + SkDEBUGCODE(void dump() const;)
1.41 +
1.42 +protected:
1.43 + /* Override this in your subclass to handle instantiating views
1.44 + Call the inherited version for nodes you don't recognize.
1.45 +
1.46 + Do not call "inflate" on the view, just return it. This will
1.47 + get called automatically after createView returns.
1.48 + */
1.49 + virtual SkView* createView(const SkDOM& dom, const SkDOM::Node* node);
1.50 + /** Base implementation calls view->inflate(dom, node). Subclasses may override this
1.51 + to perform additional initializations to view, either before or after calling
1.52 + the inherited version.
1.53 + */
1.54 + virtual void inflateView(SkView* view, const SkDOM& dom, const SkDOM::Node* node);
1.55 +
1.56 +private:
1.57 + enum {
1.58 + kMinIDStrAlloc = 64
1.59 + };
1.60 + SkTDict<SkView*> fIDs;
1.61 +
1.62 + struct IDStr {
1.63 + SkView* fView;
1.64 + char* fStr;
1.65 + };
1.66 + SkTDArray<IDStr> fListenTo, fBroadcastTo;
1.67 + SkChunkAlloc fStrings;
1.68 +
1.69 + void addIDStr(SkTDArray<IDStr>* list, SkView*, const char* str);
1.70 +
1.71 + void rInflate(const SkDOM& dom, const SkDOM::Node* node, SkView* parent);
1.72 +};
1.73 +
1.74 +#endif
