2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali-toolkit/internal/controls/page-turn-view/page-turn-portrait-view-impl.h>
22 #include <dali/public-api/animation/animation.h>
23 #include <dali/public-api/object/type-registry.h>
24 #include <dali/devel-api/object/type-registry-helper.h>
39 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::PageTurnPortraitView, Toolkit::PageTurnView, NULL )
40 DALI_TYPE_REGISTRATION_END()
42 // the panning speed threshold, no matter how far is the pan displacement, pan fast to left/right quickly (speed > 0.3) will turn over/back the page
43 const float GESTURE_SPEED_THRESHOLD(0.3f);
45 // the animation duration of turning the previous page back when an outwards flick is detected
46 const float PAGE_TURN_OVER_ANIMATION_DURATION(0.5f);
50 PageTurnPortraitView::PageTurnPortraitView( PageFactory& pageFactory, const Vector2& pageSize )
51 : PageTurnView( pageFactory, pageSize )
56 PageTurnPortraitView::~PageTurnPortraitView()
60 Toolkit::PageTurnPortraitView PageTurnPortraitView::New( PageFactory& pageFactory, const Vector2& pageSize )
62 // Create the implementation, temporarily owned on stack
63 IntrusivePtr< PageTurnPortraitView > internalPageTurnView = new PageTurnPortraitView( pageFactory, pageSize );
65 // Pass ownership to CustomActor
66 Dali::Toolkit::PageTurnPortraitView pageTurnView( *internalPageTurnView );
68 // Second-phase init of the implementation
69 // This can only be done after the CustomActor connection has been made...
70 internalPageTurnView->Initialize();
75 void PageTurnPortraitView::OnPageTurnViewInitialize()
77 mControlSize = mPageSize;
78 Self().SetSize( mPageSize );
79 mTurningPageLayer.SetParentOrigin( ParentOrigin::CENTER_LEFT );
82 ImageActor PageTurnPortraitView::NewPageFromRenderBuffer( int pageIndex )
84 return ImageActor::New(mRenderedPage[pageIndex % NUMBER_OF_CACHED_PAGES]);
87 Vector2 PageTurnPortraitView::SetPanPosition( const Vector2& gesturePosition )
89 return gesturePosition;
92 void PageTurnPortraitView::SetPanActor( const Vector2& panPosition )
94 if( mCurrentPageIndex < mTotalPageCount )
96 mPanActor = mPageActors[mCurrentPageIndex%NUMBER_OF_CACHED_PAGES];
104 void PageTurnPortraitView::SetSpineEffect(ImageActor actor, bool isLeftSide)
108 actor.RemoveShaderEffect();
112 actor.SetShaderEffect( mSpineEffectFront );
116 void PageTurnPortraitView::OnPossibleOutwardsFlick( const Vector2& panPosition, float gestureSpeed )
118 Vector2 offset = panPosition - mPressDownPosition;
119 // There is previous page and an outwards flick is detected
120 if( mCurrentPageIndex > 0 && gestureSpeed > GESTURE_SPEED_THRESHOLD && offset.x > fabs( offset.y ))
122 ImageActor actor = mPageActors[ (mCurrentPageIndex-1) % NUMBER_OF_CACHED_PAGES ];
123 if(actor.GetParent() != mRootOnScreen)
128 // Guard against destruction during signal emission
129 //Emit signal, to notify that page[mCurrentPageIndex-1] is turning backwards
130 Toolkit::PageTurnView handle( GetOwner() );
131 mPageTurnStartedSignal.Emit( handle, static_cast<unsigned int>(mCurrentPageIndex-1), false );
135 RemovePage( mCurrentPageIndex+NUMBER_OF_CACHED_PAGES_EACH_SIDE );
136 AddPage( mCurrentPageIndex-NUMBER_OF_CACHED_PAGES_EACH_SIDE );
139 // Add the page to tuning page layer and set up PageTurnEffect
140 mShadowView.Add( actor );
141 actor.SetShaderEffect( mTurnEffect[mIndex] );
142 GetImpl( mTurnEffect[mIndex] ).ApplyInternalConstraint();
143 mIsAnimating[mIndex] = true;
144 mTurnEffect[mIndex].SetIsTurningBack( true );
145 Vector2 originalCenter( mPageSize.width*1.5f, 0.5f*mPageSize.height );
146 mTurnEffect[mIndex].SetOriginalCenter( originalCenter );
147 mTurnEffect[mIndex].SetCurrentCenter( Vector2( mPageSize.width*0.5f, mPageSize.height*0.5f ));
149 // Start an animation to turn the previous page back
150 Animation animation = Animation::New( PAGE_TURN_OVER_ANIMATION_DURATION );
151 mAnimationActorPair[animation] = actor;
152 mAnimationIndexPair[animation] = mIndex;
154 animation.AnimateTo( Property( mTurnEffect[mIndex], mTurnEffect[mIndex].PageTurnEffect::GetCurrentCenterPropertyName() ),
156 AlphaFunction::EASE_OUT, TimePeriod(PAGE_TURN_OVER_ANIMATION_DURATION*0.75f) );
157 animation.AnimateBy( Property( actor, Actor::Property::ORIENTATION ), AngleAxis( Degree( 180.0f ), Vector3::YAXIS ) ,AlphaFunction::EASE_OUT );
159 ImageActor::DownCast(actor).SetCullFace( CullBack );
160 animation.FinishedSignal().Connect( this, &PageTurnPortraitView::OnTurnedOver );
164 void PageTurnPortraitView::OnTurnedOver( Animation& animation )
166 ImageActor::DownCast(mAnimationActorPair[animation]).SetCullFace( CullNone );
167 TurnedOver( animation );
170 } // namespace Internal
172 } // namespace Toolkit