src/ui/inc/FUiCtrl_GalleryViewEventHandler.h

   1 //
   2 // Open Service Platform
   3 // Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Flora License, Version 1.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //     http://floralicense.org/license/
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an AS IS BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17 #ifndef _FUI_CTRL_INTERNAL_GALLERY_VIEW_EVENT_HANDLER_H_
  18 #define _FUI_CTRL_INTERNAL_GALLERY_VIEW_EVENT_HANDLER_H_
  19
  20 #include <FBaseObject.h>
  21 #include <FGrpPoint.h>
  22 #include "FUiCtrl_GalleryTypes.h"
  23 #include "FUiCtrl_IGalleryRendererNotiListener.h"
  24
  25 namespace Tizen { namespace Graphics {
  26
  27 class Dimension;
  28
  29 }} // Tizen::Graphics
  30
  31 namespace Tizen { namespace Ui { namespace Controls {
  32
  33 enum FlickDirection
  34 {
  35         FLICK_DIRECTION_NONE = 0,
  36         FLICK_DIRECTION_LEFT,
  37         FLICK_DIRECTION_RIGHT
  38 };
  39
  40 class _GalleryImageReader;
  41 class _GalleryModel;
  42 class _GalleryPresenter;
  43 class _GalleryViewEventInfo;
  44 class _IGalleryRenderer;
  45
  46 class _GalleryViewEventHandler
  47         : public Tizen::Base::Object
  48         , public _IGalleryRendererNotiListener
  49         , virtual public Tizen::Base::Runtime::IEventListener
  50 {
  51 public:
  52         _GalleryViewEventHandler(_GalleryPresenter& galleryPresenter, _IGalleryRenderer& galleryRenderer, _GalleryImageReader& galleryModel);
  53         virtual ~_GalleryViewEventHandler(void);
  54
  55         result Construct(void);
  56
  57         bool OnTouchPressed(_GalleryViewEventInfo& eventInfo);
  58         bool OnTouchDoublePressed(_GalleryViewEventInfo& eventInfo);
  59         bool OnTouchReleased(_GalleryViewEventInfo& eventInfo);
  60         bool OnTouchPinchZoom(_GalleryViewEventInfo& eventInfo);
  61         bool OnTouchMoved(_GalleryViewEventInfo& eventInfo);
  62         bool OnTouchFlicked(_GalleryViewEventInfo& eventInfo);
  63
  64         //notiListener
  65         virtual void OnTransitionCancel(void);
  66         virtual void OnTransitionCompleted(void);
  67         virtual void OnCanvasAnimationCancel(void);
  68         virtual void OnCanvasAnimationCompleted(void);
  69         virtual void OnCanvasAnimationStarted(void);
  70
  71         void SetZoomFlag(bool zoomMode);
  72         bool IsZoomFlag(void) const;
  73         result SetVisibleCanvas(void);
  74         result AlignCanvas(bool animation = true);
  75         bool CorrectCanvasPosition(Tizen::Graphics::Rectangle& canvasBounds, const Tizen::Graphics::Rectangle& imageBounds);
  76
  77 private:
  78         _GalleryViewEventHandler(const _GalleryViewEventHandler& rhs);
  79         _GalleryViewEventHandler& operator=(const _GalleryViewEventHandler& rhs);
  80
  81         result RefreshView(void);
  82
  83         result SetInvisibleCanvas(void);
  84
  85         result FlickToTheRight(void);
  86         result FlickToTheLeft(void);
  87
  88         result ZoomCanvas(int distance, const Tizen::Graphics::Point& center, bool zoomIn, _GalleryAnimationTiming* pAnimation = null);
  89         result PinchZoomCanvas(int area, const Tizen::Graphics::Point& center, bool zoomIn);
  90         result MoveCanvas(const Tizen::Graphics::Dimension& distance, _GalleryAnimationTiming* pAnimation = null);
  91
  92         void SetRollbackCanvas(void);
  93         int CalculateRound(float value);
  94         result SetCurrentItemIndex(int index);
  95         result CallChangeItemIndex(void);
  96
  97 private:
  98         _GalleryPresenter& __galleryPresenter;
  99         _IGalleryRenderer& __galleryRenderer;
 100         _GalleryImageReader& __galleryImageReader;
 101         Tizen::Graphics::Point __previousPosition;
 102         Tizen::Graphics::Point __startPinchCenterPosition;
 103         FlickDirection __flickingDirection;
 104         int __pinchInitialArea;
 105         bool __pressed;
 106         bool __moving;
 107         bool __zoomMode;
 108         bool __zoomAnimationComplete;
 109         bool __pinchMode;
 110         unsigned long __touchPointId;
 111         int __currentItemIndex;
 112 }; // _GalleryViewEventHandler
 113
 114 }}} // Tizen::Ui::Controls
 115
 116 #endif // _FUI_CTRL_INTERNAL_GALLERY_VIEW_EVENT_HANDLER_H_