2 * Copyright (c) 2015 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-table-view.h"
25 #include <dali/devel-api/images/distance-field.h>
26 #include <dali-toolkit/devel-api/shader-effects/alpha-discard-effect.h>
27 #include <dali-toolkit/devel-api/shader-effects/distance-field-effect.h>
30 #include "shared/view.h"
33 using namespace Dali::Toolkit;
35 ///////////////////////////////////////////////////////////////////////////////
40 const std::string LOGO_PATH( DEMO_IMAGE_DIR "Logo-for-demo.png" );
41 const std::string DEFAULT_TOOLBAR_IMAGE_PATH( DEMO_IMAGE_DIR "top-bar.png" );
42 const std::string TILE_BACKGROUND(DEMO_IMAGE_DIR "item-background.9.png");
43 const std::string TILE_BACKGROUND_ALPHA(DEMO_IMAGE_DIR "item-background-alpha.9.png");
45 const char * const DEFAULT_TOOLBAR_TEXT( "TOUCH TO LAUNCH EXAMPLE" );
47 const float BUTTON_PRESS_ANIMATION_TIME = 0.25f; ///< Time to perform button scale effect.
48 const float ROTATE_ANIMATION_TIME = 0.5f; ///< Time to perform rotate effect.
49 const int MAX_PAGES = 256; ///< Maximum pages (arbitrary safety limit)
50 const int EXAMPLES_PER_ROW = 3;
51 const int ROWS_PER_PAGE = 3;
52 const int EXAMPLES_PER_PAGE = EXAMPLES_PER_ROW * ROWS_PER_PAGE;
53 const float LOGO_MARGIN_RATIO = 0.1f / 0.3f;
54 const float BOTTOM_PADDING_RATIO = 0.4f / 0.9f;
55 const Vector3 SCROLLVIEW_RELATIVE_SIZE(0.9f, 1.0f, 0.8f ); ///< ScrollView's relative size to its parent
56 const Vector3 TABLE_RELATIVE_SIZE(0.95f, 0.9f, 0.8f ); ///< TableView's relative size to the entire stage. The Y value means sum of the logo and table relative heights.
57 const float STENCIL_RELATIVE_SIZE = 1.0f;
59 const float EFFECT_SNAP_DURATION = 0.66f; ///< Scroll Snap Duration for Effects
60 const float EFFECT_FLICK_DURATION = 0.5f; ///< Scroll Flick Duration for Effects
61 const Vector3 ANGLE_CUBE_PAGE_ROTATE(Math::PI * 0.5f, Math::PI * 0.5f, 0.0f);
63 const Vector4 BUBBLE_COLOR[] =
65 Vector4( 0.3255f, 0.3412f, 0.6353f, 0.38f ),
66 Vector4( 0.3647f, 0.7569f, 0.8157f, 0.38f ),
67 Vector4( 0.3804f, 0.7412f, 0.6510f, 0.38f ),
68 Vector4( 1.f, 1.f, 1.f, 0.2f )
70 const int NUMBER_OF_BUBBLE_COLOR( sizeof(BUBBLE_COLOR) / sizeof(BUBBLE_COLOR[0]) );
72 const int NUM_BACKGROUND_IMAGES = 18;
73 const float BACKGROUND_SWIPE_SCALE = 0.025f;
74 const float BACKGROUND_SPREAD_SCALE = 1.5f;
75 const float SCALE_MOD = 1000.0f * Math::PI * 2.0f;
76 const float SCALE_SPEED = 10.0f;
77 const float SCALE_SPEED_SIN = 0.1f;
79 const unsigned int BACKGROUND_ANIMATION_DURATION = 15000; // 15 secs
81 const Vector4 BACKGROUND_COLOR( 0.3569f, 0.5451f, 0.7294f, 1.0f );
83 const float BUBBLE_MIN_Z = -1.0;
84 const float BUBBLE_MAX_Z = 0.0f;
87 * Creates the background image
89 Control CreateBackground( std::string stylename )
91 Control background = Control::New();
92 Stage::GetCurrent().Add( background );
93 background.SetProperty( Control::Property::STYLE_NAME,stylename);
94 background.SetName( "BACKGROUND" );
95 background.SetAnchorPoint( AnchorPoint::CENTER );
96 background.SetParentOrigin( ParentOrigin::CENTER );
97 background.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
103 * Constraint to return a position for a bubble based on the scroll value and vertical wrapping
105 struct AnimateBubbleConstraint
108 AnimateBubbleConstraint( const Vector3& initialPos, float scale )
109 : mInitialX( initialPos.x ),
114 void operator()( Vector3& position, const PropertyInputContainer& inputs )
116 const Vector3& parentSize = inputs[1]->GetVector3();
117 const Vector3& childSize = inputs[2]->GetVector3();
119 // Wrap bubbles vertically.
120 float range = parentSize.y + childSize.y;
121 // This performs a float mod (we don't use fmod as we want the arithmetic modulus as opposed to the remainder).
122 position.y -= range * ( floor( position.y / range ) + 0.5f );
124 // Bubbles X position moves parallax to horizontal
125 // panning by a scale factor unique to each bubble.
126 position.x = mInitialX + ( inputs[0]->GetVector2().x * mScale );
134 bool CompareByTitle( const Example& lhs, const Example& rhs )
136 return lhs.title < rhs.title;
141 DaliTableView::DaliTableView( Application& application )
142 : mApplication( application ),
157 mBackgroundAnimations(),
161 mSortAlphabetically( false ),
162 mBackgroundAnimsPlaying( false )
164 application.InitSignal().Connect( this, &DaliTableView::Initialize );
167 DaliTableView::~DaliTableView()
171 void DaliTableView::AddExample( Example example )
173 mExampleList.push_back( example );
176 void DaliTableView::SortAlphabetically( bool sortAlphabetically )
178 mSortAlphabetically = sortAlphabetically;
181 void DaliTableView::Initialize( Application& application )
183 Stage::GetCurrent().KeyEventSignal().Connect( this, &DaliTableView::OnKeyEvent );
185 const Vector2 stageSize = Stage::GetCurrent().GetSize();
188 Control background = CreateBackground( "launcherbackground" );
189 Stage::GetCurrent().Add( background );
192 mRootActor = TableView::New( 4, 1 );
193 mRootActor.SetAnchorPoint( AnchorPoint::CENTER );
194 mRootActor.SetParentOrigin( ParentOrigin::CENTER );
195 mRootActor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
196 Stage::GetCurrent().Add( mRootActor );
199 Dali::Toolkit::ToolBar toolbar;
200 Dali::Layer toolBarLayer = DemoHelper::CreateToolbar(toolbar,
201 DEFAULT_TOOLBAR_IMAGE_PATH,
202 DEFAULT_TOOLBAR_TEXT,
203 DemoHelper::DEFAULT_VIEW_STYLE);
205 mRootActor.AddChild( toolBarLayer, TableView::CellPosition( 0, 0 ) );
206 mRootActor.SetFitHeight( 0 );
209 ImageView logo = CreateLogo( LOGO_PATH );
210 logo.SetName( "LOGO_IMAGE" );
211 logo.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
212 const float paddingHeight = ( ( 1.f-TABLE_RELATIVE_SIZE.y ) * stageSize.y );
213 const float logoMargin = paddingHeight * LOGO_MARGIN_RATIO;
215 // Show version in a popup when log is tapped
216 mLogoTapDetector = TapGestureDetector::New();
217 mLogoTapDetector.Attach( logo );
218 mLogoTapDetector.DetectedSignal().Connect( this, &DaliTableView::OnLogoTapped );
220 const float bottomMargin = paddingHeight * BOTTOM_PADDING_RATIO;
222 Alignment alignment = Alignment::New();
223 alignment.SetName( "LOGO_ALIGNMENT" );
224 alignment.Add( logo );
225 alignment.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
226 alignment.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
227 Actor alignmentActor = alignment;
228 alignmentActor.SetPadding( Padding( 0.0f, 0.0f, logoMargin, logoMargin ));
229 mRootActor.AddChild( alignment, TableView::CellPosition( 1, 0 ) );
230 mRootActor.SetFitHeight( 1 );
232 // scrollview occupying the majority of the screen
233 mScrollView = ScrollView::New();
235 mScrollView.SetAnchorPoint( AnchorPoint::CENTER );
236 mScrollView.SetParentOrigin( ParentOrigin::CENTER );
237 mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
238 const float buttonsPageMargin = ( 1.0f - TABLE_RELATIVE_SIZE.x ) * 0.5f * stageSize.width;
239 mScrollView.SetPadding( Padding( buttonsPageMargin, buttonsPageMargin, 0.0f, 0.0f ) );
241 mScrollView.SetAxisAutoLock( true );
242 mScrollView.ScrollCompletedSignal().Connect( this, &DaliTableView::OnScrollComplete );
243 mScrollView.ScrollStartedSignal().Connect( this, &DaliTableView::OnScrollStart );
244 mScrollView.TouchSignal().Connect( this, &DaliTableView::OnScrollTouched );
246 mScrollViewLayer = Layer::New();
248 // Disable the depth test for performance
249 mScrollViewLayer.SetDepthTestDisabled( true );
250 mScrollViewLayer.SetAnchorPoint( AnchorPoint::CENTER );
251 mScrollViewLayer.SetParentOrigin( ParentOrigin::CENTER );
252 mScrollViewLayer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
254 // Create solid background colour.
255 Control backgroundColourActor = Control::New();
256 backgroundColourActor.SetBackgroundColor( BACKGROUND_COLOR );
257 backgroundColourActor.SetAnchorPoint( AnchorPoint::CENTER );
258 backgroundColourActor.SetParentOrigin( ParentOrigin::CENTER );
259 backgroundColourActor.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
260 backgroundColourActor.SetSizeModeFactor( Vector3( 1.0f, 1.5f, 1.0f ) );
262 mScrollViewLayer.Add( backgroundColourActor );
264 // Populate background and bubbles - needs to be scrollViewLayer so scroll ends show
265 Actor bubbleContainer = Actor::New();
266 bubbleContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
267 bubbleContainer.SetAnchorPoint( AnchorPoint::CENTER );
268 bubbleContainer.SetParentOrigin( ParentOrigin::CENTER );
269 backgroundColourActor.Add( bubbleContainer );
271 SetupBackground( bubbleContainer );
273 Alignment buttonsAlignment = Alignment::New();
274 buttonsAlignment.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
275 buttonsAlignment.Add( mScrollViewLayer );
277 mScrollViewLayer.Add( mScrollView );
279 mRootActor.AddChild( buttonsAlignment, TableView::CellPosition( 2, 0 ) );
281 mRootActor.SetFixedHeight( 3, bottomMargin );
283 // Add scroll view effect and setup constraints on pages
284 ApplyScrollViewEffect();
286 // Add pages and tiles
289 // Remove constraints for inner cube effect
290 ApplyCubeEffectToPages();
292 Dali::Window winHandle = application.GetWindow();
293 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
294 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE );
295 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
296 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
298 // Set initial orientation
299 unsigned int degrees = 0;
302 winHandle.ShowIndicator( Dali::Window::INVISIBLE );
304 // Background animation
305 mAnimationTimer = Timer::New( BACKGROUND_ANIMATION_DURATION );
306 mAnimationTimer.TickSignal().Connect( this, &DaliTableView::PauseBackgroundAnimation );
307 mAnimationTimer.Start();
308 mBackgroundAnimsPlaying = true;
310 KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &DaliTableView::OnKeyboardPreFocusChange );
311 KeyboardFocusManager::Get().FocusedActorEnterKeySignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
312 AccessibilityManager::Get().FocusedActorActivatedSignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
315 void DaliTableView::ApplyCubeEffectToPages()
317 ScrollViewPagePathEffect effect = ScrollViewPagePathEffect::DownCast( mScrollViewEffect );
318 unsigned int pageCount(0);
319 for( std::vector< Actor >::iterator pageIter = mPages.begin(); pageIter != mPages.end(); ++pageIter )
321 Actor page = *pageIter;
322 effect.ApplyToPage( page, pageCount++ );
326 void DaliTableView::OnButtonsPageRelayout( const Dali::Actor& actor )
331 void DaliTableView::Populate()
333 const Vector2 stageSize = Stage::GetCurrent().GetSize();
335 mTotalPages = ( mExampleList.size() + EXAMPLES_PER_PAGE - 1 ) / EXAMPLES_PER_PAGE;
337 // Populate ScrollView.
338 if( mExampleList.size() > 0 )
340 if( mSortAlphabetically )
342 sort( mExampleList.begin(), mExampleList.end(), CompareByTitle );
345 unsigned int exampleCount = 0;
346 ExampleListConstIter iter = mExampleList.begin();
348 for( int t = 0; t < mTotalPages; t++ )
351 TableView page = TableView::New( ROWS_PER_PAGE, EXAMPLES_PER_ROW );
352 page.SetAnchorPoint( AnchorPoint::CENTER );
353 page.SetParentOrigin( ParentOrigin::CENTER );
354 page.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
355 mScrollView.Add( page );
357 // Calculate the number of images going across (columns) within a page, according to the screen resolution and dpi.
358 const float margin = 2.0f;
359 const float tileParentMultiplier = 1.0f / EXAMPLES_PER_ROW;
361 for(int row = 0; row < ROWS_PER_PAGE; row++)
363 for(int column = 0; column < EXAMPLES_PER_ROW; column++)
365 const Example& example = ( *iter );
367 Actor tile = CreateTile( example.name, example.title, Vector3( tileParentMultiplier, tileParentMultiplier, 1.0f ), true );
368 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
369 accessibilityManager.SetFocusOrder( tile, ++exampleCount );
370 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_LABEL,
372 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_TRAIT, "Tile" );
373 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_HINT,
374 "You can run this example" );
376 tile.SetPadding( Padding( margin, margin, margin, margin ) );
378 page.AddChild( tile, TableView::CellPosition( row, column ) );
382 if( iter == mExampleList.end() )
388 if( iter == mExampleList.end() )
394 // Set tableview position
395 Vector3 pagePos( stageSize.width * TABLE_RELATIVE_SIZE.x * t, 0.0f, 0.0f );
396 page.SetPosition( pagePos );
398 mPages.push_back( page );
400 if( iter == mExampleList.end() )
407 // Update Ruler info.
408 mScrollRulerX = new FixedRuler( stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f );
409 mScrollRulerY = new DefaultRuler();
410 mScrollRulerX->SetDomain( RulerDomain( 0.0f, (mTotalPages+1) * stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f, true ) );
411 mScrollRulerY->Disable();
412 mScrollView.SetRulerX( mScrollRulerX );
413 mScrollView.SetRulerY( mScrollRulerY );
416 void DaliTableView::Rotate( unsigned int degrees )
418 // Resize the root actor
419 Vector2 stageSize = Stage::GetCurrent().GetSize();
420 Vector3 targetSize( stageSize.x, stageSize.y, 1.0f );
422 if( degrees == 90 || degrees == 270 )
424 targetSize = Vector3( stageSize.y, stageSize.x, 1.0f );
427 if( mRotateAnimation )
429 mRotateAnimation.Stop();
430 mRotateAnimation.Clear();
433 mRotateAnimation = Animation::New( ROTATE_ANIMATION_TIME );
434 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 - degrees ) ), Vector3::ZAXIS ), AlphaFunction::EASE_OUT );
435 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::SIZE ), targetSize, AlphaFunction::EASE_OUT );
436 mRotateAnimation.Play();
439 Actor DaliTableView::CreateTile( const std::string& name, const std::string& title, const Dali::Vector3& sizeMultiplier, bool addBackground )
441 Actor content = Actor::New();
442 content.SetName( name );
443 content.SetAnchorPoint( AnchorPoint::CENTER );
444 content.SetParentOrigin( ParentOrigin::CENTER );
445 content.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
446 content.SetSizeModeFactor( sizeMultiplier );
448 // create background image
451 ImageView image = ImageView::New( TILE_BACKGROUND );
452 image.SetAnchorPoint( AnchorPoint::CENTER );
453 image.SetParentOrigin( ParentOrigin::CENTER );
454 // make the image 100% of tile
455 image.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
457 content.Add( image );
460 Toolkit::ImageView stencil = NewStencilImage();
461 stencil.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
462 image.Add( stencil );
465 TextLabel label = TextLabel::New();
466 label.SetAnchorPoint( AnchorPoint::TOP_LEFT );
467 label.SetProperty( Control::Property::STYLE_NAME, "launcherlabel" );
468 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
469 label.SetProperty( TextLabel::Property::TEXT, title );
470 label.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
471 label.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
472 label.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
473 content.Add( label );
475 // Set the tile to be keyboard focusable
476 content.SetKeyboardFocusable(true);
478 // connect to the touch events
479 content.TouchSignal().Connect( this, &DaliTableView::OnTilePressed );
480 content.HoveredSignal().Connect( this, &DaliTableView::OnTileHovered );
485 Toolkit::ImageView DaliTableView::NewStencilImage()
487 Toolkit::ImageView stencil = ImageView::New( TILE_BACKGROUND_ALPHA );
488 stencil.SetParentOrigin( ParentOrigin::CENTER );
489 stencil.SetAnchorPoint( AnchorPoint::CENTER );
490 stencil.SetDrawMode( DrawMode::STENCIL );
492 Property::Map shaderEffect = CreateAlphaDiscardEffect();
493 stencil.SetProperty( Toolkit::ImageView::Property::IMAGE, shaderEffect );
498 bool DaliTableView::OnTilePressed( Actor actor, const TouchData& event )
500 return DoTilePress( actor, event.GetState( 0 ) );
503 bool DaliTableView::DoTilePress( Actor actor, PointState::Type pointState )
505 bool consumed = false;
507 if( PointState::DOWN == pointState )
509 mPressedActor = actor;
513 // A button press is only valid if the Down & Up events
514 // both occurred within the button.
515 if( ( PointState::UP == pointState ) &&
516 ( mPressedActor == actor ) )
518 // ignore Example button presses when scrolling or button animating.
519 if( ( !mScrolling ) && ( !mPressedAnimation ) )
521 std::string name = actor.GetName();
522 const ExampleListIter end = mExampleList.end();
523 for( ExampleListIter iter = mExampleList.begin(); iter != end; ++iter )
525 if( (*iter).name == name )
527 // do nothing, until pressed animation finished.
536 mPressedAnimation = Animation::New( BUTTON_PRESS_ANIMATION_TIME );
537 mPressedAnimation.SetEndAction( Animation::Discard );
539 // scale the content actor within the Tile, as to not affect the placement within the Table.
540 Actor content = actor.GetChildAt(0);
541 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3( 0.9f, 0.9f, 1.0f ), AlphaFunction::EASE_IN_OUT,
542 TimePeriod( 0.0f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
543 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3::ONE, AlphaFunction::EASE_IN_OUT,
544 TimePeriod( BUTTON_PRESS_ANIMATION_TIME * 0.5f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
545 mPressedAnimation.Play();
546 mPressedAnimation.FinishedSignal().Connect( this, &DaliTableView::OnPressedAnimationFinished );
552 void DaliTableView::OnPressedAnimationFinished( Dali::Animation& source )
554 mPressedAnimation.Reset();
557 std::string name = mPressedActor.GetName();
559 std::stringstream stream;
560 stream << DEMO_EXAMPLE_BIN << name.c_str();
564 execlp( stream.str().c_str(), name.c_str(), NULL );
565 DALI_ASSERT_ALWAYS(false && "exec failed!");
567 mPressedActor.Reset();
571 void DaliTableView::OnScrollStart( const Dali::Vector2& position )
578 void DaliTableView::OnScrollComplete( const Dali::Vector2& position )
582 // move focus to 1st item of new page
583 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
584 accessibilityManager.SetCurrentFocusActor(mPages[mScrollView.GetCurrentPage()].GetChildAt(0) );
587 bool DaliTableView::OnScrollTouched( Actor actor, const TouchData& event )
589 if( PointState::DOWN == event.GetState( 0 ) )
591 mPressedActor = actor;
597 void DaliTableView::ApplyScrollViewEffect()
599 // Remove old effect if exists.
601 if( mScrollViewEffect )
603 mScrollView.RemoveEffect( mScrollViewEffect );
606 // Just one effect for now
607 SetupInnerPageCubeEffect();
609 mScrollView.ApplyEffect( mScrollViewEffect );
612 void DaliTableView::SetupInnerPageCubeEffect()
614 const Vector2 stageSize = Stage::GetCurrent().GetSize();
616 Dali::Path path = Dali::Path::New();
617 Dali::Property::Array points;
619 points[0] = Vector3( stageSize.x*0.5, 0.0f, stageSize.x*0.5f);
620 points[1] = Vector3( 0.0f, 0.0f, 0.0f );
621 points[2] = Vector3( -stageSize.x*0.5f, 0.0f, stageSize.x*0.5f);
622 path.SetProperty( Path::Property::POINTS, points );
624 Dali::Property::Array controlPoints;
625 controlPoints.Resize(4);
626 controlPoints[0] = Vector3( stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
627 controlPoints[1] = Vector3( stageSize.x*0.3f, 0.0f, 0.0f );
628 controlPoints[2] = Vector3(-stageSize.x*0.3f, 0.0f, 0.0f );
629 controlPoints[3] = Vector3(-stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
630 path.SetProperty( Path::Property::CONTROL_POINTS, controlPoints );
633 mScrollViewEffect = ScrollViewPagePathEffect::New(path,
634 Vector3(-1.0f,0.0f,0.0f),
635 Toolkit::ScrollView::Property::SCROLL_FINAL_X,
636 Vector3(stageSize.x*TABLE_RELATIVE_SIZE.x,stageSize.y*TABLE_RELATIVE_SIZE.y,0.0f),mTotalPages);
639 void DaliTableView::OnKeyEvent( const KeyEvent& event )
641 if( event.state == KeyEvent::Down )
643 if ( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
645 // If there's a Popup, Hide it if it's contributing to the display in any way (EG. transitioning in or out).
647 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() != Toolkit::Popup::HIDDEN ) )
649 mVersionPopup.SetDisplayState( Popup::HIDDEN );
659 void DaliTableView::SetupBackground( Actor bubbleContainer )
661 // Create distance field shape.
662 BufferImage distanceField;
663 Size imageSize( 512, 512 );
664 CreateShapeImage( CIRCLE, imageSize, distanceField );
666 // Add bubbles to the bubbleContainer.
667 // Note: The bubbleContainer is parented externally to this function.
668 AddBackgroundActors( bubbleContainer, NUM_BACKGROUND_IMAGES, distanceField );
671 void DaliTableView::InitialiseBackgroundActors( Actor actor )
673 // Delete current animations
674 mBackgroundAnimations.clear();
676 // Create new animations
677 const Vector3 size = actor.GetTargetSize();
679 for( unsigned int i = 0, childCount = actor.GetChildCount(); i < childCount; ++i )
681 Actor child = actor.GetChildAt( i );
683 // Calculate a random position
684 Vector3 childPos( Random::Range( -size.x * 0.5f * BACKGROUND_SPREAD_SCALE, size.x * 0.5f * BACKGROUND_SPREAD_SCALE ),
685 Random::Range( -size.y, size.y ),
686 Random::Range( BUBBLE_MIN_Z, BUBBLE_MAX_Z ) );
688 child.SetPosition( childPos );
690 // Define bubble horizontal parallax and vertical wrapping
691 Constraint animConstraint = Constraint::New < Vector3 > ( child, Actor::Property::POSITION, AnimateBubbleConstraint( childPos, Random::Range( -0.85f, 0.25f ) ) );
692 animConstraint.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
693 animConstraint.AddSource( Dali::ParentSource( Dali::Actor::Property::SIZE ) );
694 animConstraint.AddSource( Dali::LocalSource( Dali::Actor::Property::SIZE ) );
695 animConstraint.SetRemoveAction( Constraint::Discard );
696 animConstraint.Apply();
699 Animation animation = Animation::New( Random::Range( 30.0f, 160.0f ) );
700 animation.AnimateBy( Property( child, Actor::Property::POSITION ), Vector3( 0.0f, -2000.0f, 0.0f ), AlphaFunction::LINEAR );
701 animation.SetLooping( true );
703 mBackgroundAnimations.push_back( animation );
707 void DaliTableView::AddBackgroundActors( Actor layer, int count, BufferImage distanceField )
709 for( int i = 0; i < count; ++i )
711 float randSize = Random::Range( 10.0f, 400.0f );
712 ImageView dfActor = ImageView::New( distanceField );
713 dfActor.SetSize( Vector2( randSize, randSize ) );
714 dfActor.SetParentOrigin( ParentOrigin::CENTER );
716 Dali::Property::Map effect = Toolkit::CreateDistanceFieldEffect();
717 dfActor.SetProperty( Toolkit::ImageView::Property::IMAGE, effect );
718 dfActor.SetColor( BUBBLE_COLOR[ i%NUMBER_OF_BUBBLE_COLOR ] );
720 layer.Add( dfActor );
723 // Positioning will occur when the layer is relaid out
724 layer.OnRelayoutSignal().Connect( this, &DaliTableView::InitialiseBackgroundActors );
727 void DaliTableView::CreateShapeImage( ShapeType shapeType, const Size& size, BufferImage& distanceFieldOut )
729 // this bitmap will hold the alpha map for the distance field shader
730 distanceFieldOut = BufferImage::New( size.width, size.height, Pixel::A8 );
732 // Generate bit pattern
733 std::vector< unsigned char > imageDataA8;
734 imageDataA8.reserve( size.width * size.height ); // A8
739 GenerateCircle( size, imageDataA8 );
742 GenerateSquare( size, imageDataA8 );
748 PixelBuffer* buffer = distanceFieldOut.GetBuffer();
751 GenerateDistanceFieldMap( &imageDataA8[ 0 ], size, buffer, size, 8.0f, size );
752 distanceFieldOut.Update();
756 void DaliTableView::GenerateSquare( const Size& size, std::vector< unsigned char >& distanceFieldOut )
758 for( int h = 0; h < size.height; ++h )
760 for( int w = 0; w < size.width; ++w )
762 distanceFieldOut.push_back( 0xFF );
767 void DaliTableView::GenerateCircle( const Size& size, std::vector< unsigned char >& distanceFieldOut )
769 const float radius = size.width * 0.5f * size.width * 0.5f;
770 Vector2 center( size.width / 2, size.height / 2 );
772 for( int h = 0; h < size.height; ++h )
774 for( int w = 0; w < size.width; ++w )
777 Vector2 dist = pos - center;
779 if( dist.x * dist.x + dist.y * dist.y > radius )
781 distanceFieldOut.push_back( 0x00 );
785 distanceFieldOut.push_back( 0xFF );
791 ImageView DaliTableView::CreateLogo( std::string imagePath )
793 ImageView logo = ImageView::New( imagePath );
795 logo.SetAnchorPoint( AnchorPoint::CENTER );
796 logo.SetParentOrigin( ParentOrigin::CENTER );
801 bool DaliTableView::PauseBackgroundAnimation()
808 void DaliTableView::PauseAnimation()
810 if( mBackgroundAnimsPlaying )
812 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
814 Animation anim = *animIter;
819 mBackgroundAnimsPlaying = false;
823 void DaliTableView::PlayAnimation()
825 if ( !mBackgroundAnimsPlaying )
827 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
829 Animation anim = *animIter;
834 mBackgroundAnimsPlaying = true;
837 mAnimationTimer.SetInterval( BACKGROUND_ANIMATION_DURATION );
840 Dali::Actor DaliTableView::OnKeyboardPreFocusChange( Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction )
842 Actor nextFocusActor = proposed;
844 if ( !current && !proposed )
846 // Set the initial focus to the first tile in the current page should be focused.
847 nextFocusActor = mPages[mScrollView.GetCurrentPage()].GetChildAt(0);
849 else if( !proposed || (proposed && proposed == mScrollViewLayer) )
851 // ScrollView is being focused but nothing in the current page can be focused further
852 // in the given direction. We should work out which page to scroll to next.
853 int currentPage = mScrollView.GetCurrentPage();
854 int newPage = currentPage;
855 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
859 else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
864 newPage = std::max(0, std::min(mTotalPages - 1, newPage));
865 if( newPage == currentPage )
867 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
869 newPage = mTotalPages - 1;
870 } else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
876 // Scroll to the page in the given direction
877 mScrollView.ScrollTo(newPage);
879 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
881 // Work out the cell position for the last tile
882 int remainingExamples = mExampleList.size() - newPage * EXAMPLES_PER_PAGE;
883 int rowPos = (remainingExamples >= EXAMPLES_PER_PAGE) ? ROWS_PER_PAGE - 1 : ( (remainingExamples % EXAMPLES_PER_PAGE + EXAMPLES_PER_ROW) / EXAMPLES_PER_ROW - 1 );
884 int colPos = remainingExamples >= EXAMPLES_PER_PAGE ? EXAMPLES_PER_ROW - 1 : ( remainingExamples % EXAMPLES_PER_PAGE - rowPos * EXAMPLES_PER_ROW - 1 );
886 // Move the focus to the last tile in the new page.
887 nextFocusActor = mPages[newPage].GetChildAt(rowPos * EXAMPLES_PER_ROW + colPos);
891 // Move the focus to the first tile in the new page.
892 nextFocusActor = mPages[newPage].GetChildAt(0);
896 return nextFocusActor;
899 void DaliTableView::OnFocusedActorActivated( Dali::Actor activatedActor )
903 mPressedActor = activatedActor;
905 // Activate the current focused actor;
906 DoTilePress( mPressedActor, PointState::UP );
910 bool DaliTableView::OnTileHovered( Actor actor, const HoverEvent& event )
912 KeyboardFocusManager::Get().SetCurrentFocusActor( actor );
916 void DaliTableView::OnLogoTapped( Dali::Actor actor, const Dali::TapGesture& tap )
918 // Only show if currently fully hidden. If transitioning-out, the transition will not be interrupted.
919 if ( !mVersionPopup || ( mVersionPopup.GetDisplayState() == Toolkit::Popup::HIDDEN ) )
921 if ( !mVersionPopup )
923 std::ostringstream stream;
924 stream << "DALi Core: " << CORE_MAJOR_VERSION << "." << CORE_MINOR_VERSION << "." << CORE_MICRO_VERSION << std::endl << "(" << CORE_BUILD_DATE << ")\n";
925 stream << "DALi Adaptor: " << ADAPTOR_MAJOR_VERSION << "." << ADAPTOR_MINOR_VERSION << "." << ADAPTOR_MICRO_VERSION << std::endl << "(" << ADAPTOR_BUILD_DATE << ")\n";
926 stream << "DALi Toolkit: " << TOOLKIT_MAJOR_VERSION << "." << TOOLKIT_MINOR_VERSION << "." << TOOLKIT_MICRO_VERSION << std::endl << "(" << TOOLKIT_BUILD_DATE << ")\n";
928 mVersionPopup = Dali::Toolkit::Popup::New();
930 Toolkit::TextLabel titleActor = Toolkit::TextLabel::New( "Version information" );
931 titleActor.SetName( "titleActor" );
932 titleActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
934 Toolkit::TextLabel contentActor = Toolkit::TextLabel::New( stream.str() );
935 contentActor.SetName( "contentActor" );
936 contentActor.SetProperty( Toolkit::TextLabel::Property::MULTI_LINE, true );
937 contentActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
938 contentActor.SetPadding( Padding( 0.0f, 0.0f, 20.0f, 0.0f ) );
940 mVersionPopup.SetTitle( titleActor );
941 mVersionPopup.SetContent( contentActor );
943 mVersionPopup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::WIDTH );
944 mVersionPopup.SetSizeModeFactor( Vector3( 0.75f, 1.0f, 1.0f ) );
945 mVersionPopup.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
947 mVersionPopup.OutsideTouchedSignal().Connect( this, &DaliTableView::HideVersionPopup );
948 Stage::GetCurrent().Add( mVersionPopup );
951 mVersionPopup.SetDisplayState( Popup::SHOWN );
955 void DaliTableView::HideVersionPopup()
957 // Only hide if currently fully shown. If transitioning-in, the transition will not be interrupted.
958 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() == Toolkit::Popup::SHOWN ) )
960 mVersionPopup.SetDisplayState( Popup::HIDDEN );