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      1 /*
      2  * Copyright (C) 2006 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef SkStackViewLayout_DEFINED
     18 #define SkStackViewLayout_DEFINED
     19 
     20 #include "SkView.h"
     21 
     22 class SkStackViewLayout : public SkView::Layout {
     23 public:
     24     SkStackViewLayout();
     25 
     26     enum Orient {
     27         kHorizontal_Orient,
     28         kVertical_Orient,
     29 
     30         kOrientCount
     31     };
     32     Orient  getOrient() const { return (Orient)fOrient; }
     33     void    setOrient(Orient);
     34 
     35     void        getMargin(SkRect*) const;
     36     void        setMargin(const SkRect&);
     37 
     38     SkScalar    getSpacer() const { return fSpacer; }
     39     void        setSpacer(SkScalar);
     40 
     41     /** Controls the posititioning in the same direction as the orientation
     42     */
     43     enum Pack {
     44         kStart_Pack,
     45         kCenter_Pack,
     46         kEnd_Pack,
     47 
     48         kPackCount
     49     };
     50     Pack    getPack() const { return (Pack)fPack; }
     51     void    setPack(Pack);
     52 
     53     /** Controls the posititioning at right angles to the orientation
     54     */
     55     enum Align {
     56         kStart_Align,
     57         kCenter_Align,
     58         kEnd_Align,
     59         kStretch_Align,
     60 
     61         kAlignCount
     62     };
     63     Align   getAlign() const { return (Align)fAlign; }
     64     void    setAlign(Align);
     65 
     66     bool    getRound() const { return SkToBool(fRound); }
     67     void    setRound(bool);
     68 
     69 protected:
     70     virtual void onLayoutChildren(SkView* parent);
     71     virtual void onInflate(const SkDOM&, const SkDOM::Node*);
     72 
     73 private:
     74     SkRect      fMargin;
     75     SkScalar    fSpacer;
     76     uint8_t     fOrient, fPack, fAlign, fRound;
     77 };
     78 
     79 class SkFillViewLayout : public SkView::Layout {
     80 public:
     81             SkFillViewLayout();
     82     void    getMargin(SkRect*) const;
     83     void    setMargin(const SkRect&);
     84 
     85 protected:
     86     // overrides;
     87     virtual void onLayoutChildren(SkView* parent);
     88     virtual void onInflate(const SkDOM& dom, const SkDOM::Node* node);
     89 
     90 private:
     91     SkRect  fMargin;
     92     typedef SkView::Layout INHERITED;
     93 };
     94 
     95 #endif
     96 
     97