Line data    Source code

       1             : /**
       2             :  Copyright (c) 2024 Stappler LLC <admin@stappler.dev>
       3             : 
       4             :  Permission is hereby granted, free of charge, to any person obtaining a copy
       5             :  of this software and associated documentation files (the "Software"), to deal
       6             :  in the Software without restriction, including without limitation the rights
       7             :  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
       8             :  copies of the Software, and to permit persons to whom the Software is
       9             :  furnished to do so, subject to the following conditions:
      10             : 
      11             :  The above copyright notice and this permission notice shall be included in
      12             :  all copies or substantial portions of the Software.
      13             : 
      14             :  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      17             :  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      18             :  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      19             :  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      20             :  THE SOFTWARE.
      21             :  **/
      22             : 
      23             : #ifndef XENOLITH_RENDERER_MATERIAL2D_LAYOUT_MATERIALMULTIVIEWLAYOUT_H_
      24             : #define XENOLITH_RENDERER_MATERIAL2D_LAYOUT_MATERIALMULTIVIEWLAYOUT_H_
      25             : 
      26             : #include "MaterialFlexibleLayout.h"
      27             : #include "XLComponent.h"
      28             : 
      29             : namespace STAPPLER_VERSIONIZED stappler::xenolith::material2d {
      30             : 
      31             : class MultiViewLayout : public FlexibleLayout {
      32             : public:
      33             :         class Generator : public Component {
      34             :         public:
      35             :                 using IndexViewCallback = Function< Rc<ScrollView>(int64_t) >;
      36             :                 using SequenceViewCallback = Function< Rc<ScrollView>(ScrollView *, int64_t viewIndex, int8_t offset) >;
      37             : 
      38             :                 using ViewCallback = Function< void(ScrollView *, int64_t) >;
      39             :                 using ProgressCallback = Function< void(ScrollView *, ScrollView *, float progress) >;
      40             : 
      41           0 :                 virtual ~Generator() = default;
      42             : 
      43             :                 virtual bool init();
      44             :                 virtual bool init(size_t, const IndexViewCallback &);
      45             :                 virtual bool init(const SequenceViewCallback &);
      46             : 
      47             :                 virtual bool isViewLocked(ScrollView *, int64_t index);
      48             : 
      49             :                 virtual Rc<ScrollView> makeIndexView(int64_t viewIndex);
      50             :                 virtual Rc<ScrollView> makeNextView(ScrollView *, int64_t viewIndex);
      51             :                 virtual Rc<ScrollView> makePrevView(ScrollView *, int64_t viewIndex);
      52             : 
      53             :                 virtual bool isInfinite() const;
      54             :                 virtual int64_t getViewCount() const;
      55             : 
      56             :                 virtual void setViewSelectedCallback(const ViewCallback &);
      57             :                 virtual void setViewCreatedCallback(const ViewCallback &);
      58             :                 virtual void setApplyViewCallback(const ViewCallback &);
      59             :                 virtual void setApplyProgressCallback(const ProgressCallback &);
      60             : 
      61             :                 virtual void onViewSelected(ScrollView *current, int64_t id);
      62             :                 virtual void onViewCreated(ScrollView *current, int64_t id);
      63             : 
      64             :                 virtual void onApplyView(ScrollView *current, int64_t id);
      65             :                 virtual void onApplyProgress(ScrollView *current, ScrollView *n, float progress);
      66             : 
      67             :         protected:
      68             :                 MultiViewLayout *getLayout();
      69             : 
      70             :                 size_t _viewCount = maxOf<size_t>();
      71             :                 IndexViewCallback _makeViewByIndex;
      72             :                 SequenceViewCallback _makeViewSeq;
      73             :                 ViewCallback _viewSelectedCallback;
      74             :                 ViewCallback _viewCreatedCallback;
      75             :                 ViewCallback _applyViewCallback;
      76             :                 ProgressCallback _applyProgressCallback;
      77             :         };
      78             : 
      79           0 :         virtual ~MultiViewLayout() = default;
      80             : 
      81             :         virtual bool init(Generator * = nullptr);
      82             : 
      83             :         virtual void onPush(SceneContent2d *l, bool replace) override;
      84             : 
      85             :         void setGenerator(Generator *);
      86             :         Generator *getGenerator() const;
      87             : 
      88             :         int64_t getCurrentIndex() const;
      89             : 
      90             :         void showNextView(float val = 0.35f);
      91             :         void showPrevView(float val = 0.35f);
      92             : 
      93             :         void showIndexView(int64_t, float val = 0.35f);
      94             : 
      95             : protected:
      96             :         virtual Rc<ScrollView> makeInitialView();
      97             : 
      98             :         virtual bool onSwipeProgress();
      99             :         virtual bool beginSwipe(const Vec2 &diff);
     100             :         virtual bool setSwipeProgress(const Vec2 &delta);
     101             :         virtual bool endSwipeProgress(const Vec2 &delta, const Vec2 &velocity);
     102             :         virtual void onSwipeAction(Node *node);
     103             : 
     104             :         virtual void setNextView(int64_t id, float newProgress = 0.0f);
     105             :         virtual void setPrevView(int64_t id, float newProgress = 0.0f);
     106             : 
     107             :         virtual void onViewSelected(ScrollView *current, int64_t id);
     108             : 
     109             :         virtual void onPrevViewCreated(ScrollView *current, ScrollView *prev);
     110             :         virtual void onNextViewCreated(ScrollView *current, ScrollView *next);
     111             : 
     112             :         virtual void applyView(ScrollView *current);
     113             :         virtual void applyViewProgress(ScrollView *current, ScrollView *n, float progress);
     114             : 
     115             :         virtual void onBaseNode(const NodeParams &, const Padding &, float offset) override;
     116             : 
     117             :         float _currentPos = 0.0f;
     118             :         float _swipeProgress = 0.0f;
     119             : 
     120             :         int64_t _currentViewIndex = 0;
     121             :         ScrollView *_currentView = nullptr;
     122             :         ScrollView *_nextView = nullptr;
     123             :         ScrollView *_prevView = nullptr;
     124             : 
     125             :         InputListener *_swipeListener = nullptr;
     126             :         Generator *_generator = nullptr;
     127             : };
     128             : 
     129             : }
     130             : 
     131             : #endif /* XENOLITH_RENDERER_MATERIAL2D_LAYOUT_MATERIALMULTIVIEWLAYOUT_H_ */