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( DALI_IMAGE_DIR "Logo-for-demo.png" );
41 const std::string DEFAULT_TOOLBAR_IMAGE_PATH( DALI_IMAGE_DIR "top-bar.png" );
42 const std::string TILE_BACKGROUND(DALI_IMAGE_DIR "item-background.9.png");
43 const std::string TILE_BACKGROUND_ALPHA(DALI_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 verically.
120 if( position.y + childSize.y * 0.5f < -parentSize.y * 0.5f )
122 position.y = parentSize.y * 0.5f + childSize.y * 0.5f;
125 // Bubbles X position moves parallax to horizontal
126 // panning by a scale factor unique to each bubble.
127 position.x = mInitialX + ( inputs[0]->GetVector2().x * mScale );
135 bool CompareByTitle( const Example& lhs, const Example& rhs )
137 return lhs.title < rhs.title;
142 DaliTableView::DaliTableView( Application& application )
143 : mApplication( application ),
158 mBackgroundAnimations(),
162 mSortAlphabetically( false ),
163 mBackgroundAnimsPlaying( false )
165 application.InitSignal().Connect( this, &DaliTableView::Initialize );
168 DaliTableView::~DaliTableView()
172 void DaliTableView::AddExample( Example example )
174 mExampleList.push_back( example );
177 void DaliTableView::SortAlphabetically( bool sortAlphabetically )
179 mSortAlphabetically = sortAlphabetically;
182 void DaliTableView::Initialize( Application& application )
184 Stage::GetCurrent().KeyEventSignal().Connect( this, &DaliTableView::OnKeyEvent );
186 const Vector2 stageSize = Stage::GetCurrent().GetSize();
189 Control background = CreateBackground( "launcherbackground" );
190 Stage::GetCurrent().Add( background );
193 mRootActor = TableView::New( 4, 1 );
194 mRootActor.SetAnchorPoint( AnchorPoint::CENTER );
195 mRootActor.SetParentOrigin( ParentOrigin::CENTER );
196 mRootActor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
197 Stage::GetCurrent().Add( mRootActor );
200 Dali::Toolkit::ToolBar toolbar;
201 Dali::Layer toolBarLayer = DemoHelper::CreateToolbar(toolbar,
202 DEFAULT_TOOLBAR_IMAGE_PATH,
203 DEFAULT_TOOLBAR_TEXT,
204 DemoHelper::DEFAULT_VIEW_STYLE);
206 mRootActor.AddChild( toolBarLayer, TableView::CellPosition( 0, 0 ) );
207 mRootActor.SetFitHeight( 0 );
210 ImageView logo = CreateLogo( LOGO_PATH );
211 logo.SetName( "LOGO_IMAGE" );
212 logo.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
213 const float paddingHeight = ( ( 1.f-TABLE_RELATIVE_SIZE.y ) * stageSize.y );
214 const float logoMargin = paddingHeight * LOGO_MARGIN_RATIO;
216 // Show version in a popup when log is tapped
217 mLogoTapDetector = TapGestureDetector::New();
218 mLogoTapDetector.Attach( logo );
219 mLogoTapDetector.DetectedSignal().Connect( this, &DaliTableView::OnLogoTapped );
221 const float bottomMargin = paddingHeight * BOTTOM_PADDING_RATIO;
223 Alignment alignment = Alignment::New();
224 alignment.SetName( "LOGO_ALIGNMENT" );
225 alignment.Add( logo );
226 alignment.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
227 alignment.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
228 Actor alignmentActor = alignment;
229 alignmentActor.SetPadding( Padding( 0.0f, 0.0f, logoMargin, logoMargin ));
230 mRootActor.AddChild( alignment, TableView::CellPosition( 1, 0 ) );
231 mRootActor.SetFitHeight( 1 );
233 // scrollview occupying the majority of the screen
234 mScrollView = ScrollView::New();
236 mScrollView.SetAnchorPoint( AnchorPoint::CENTER );
237 mScrollView.SetParentOrigin( ParentOrigin::CENTER );
238 mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
239 const float buttonsPageMargin = ( 1.0f - TABLE_RELATIVE_SIZE.x ) * 0.5f * stageSize.width;
240 mScrollView.SetPadding( Padding( buttonsPageMargin, buttonsPageMargin, 0.0f, 0.0f ) );
242 mScrollView.SetAxisAutoLock( true );
243 mScrollView.ScrollCompletedSignal().Connect( this, &DaliTableView::OnScrollComplete );
244 mScrollView.ScrollStartedSignal().Connect( this, &DaliTableView::OnScrollStart );
245 mScrollView.TouchedSignal().Connect( this, &DaliTableView::OnScrollTouched );
247 mScrollViewLayer = Layer::New();
249 // Disable the depth test for performance
250 mScrollViewLayer.SetDepthTestDisabled( true );
251 mScrollViewLayer.SetAnchorPoint( AnchorPoint::CENTER );
252 mScrollViewLayer.SetParentOrigin( ParentOrigin::CENTER );
253 mScrollViewLayer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
255 // Create solid background colour.
256 Control backgroundColourActor = Control::New();
257 backgroundColourActor.SetBackgroundColor( BACKGROUND_COLOR );
258 backgroundColourActor.SetAnchorPoint( AnchorPoint::CENTER );
259 backgroundColourActor.SetParentOrigin( ParentOrigin::CENTER );
260 backgroundColourActor.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
261 backgroundColourActor.SetSizeModeFactor( Vector3( 1.0f, 1.5f, 1.0f ) );
263 mScrollViewLayer.Add( backgroundColourActor );
265 // Populate background and bubbles - needs to be scrollViewLayer so scroll ends show
266 Actor bubbleContainer = Actor::New();
267 bubbleContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
268 bubbleContainer.SetAnchorPoint( AnchorPoint::CENTER );
269 bubbleContainer.SetParentOrigin( ParentOrigin::CENTER );
270 backgroundColourActor.Add( bubbleContainer );
272 SetupBackground( bubbleContainer );
274 Alignment buttonsAlignment = Alignment::New();
275 buttonsAlignment.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
276 buttonsAlignment.Add( mScrollViewLayer );
278 mScrollViewLayer.Add( mScrollView );
280 mRootActor.AddChild( buttonsAlignment, TableView::CellPosition( 2, 0 ) );
282 mRootActor.SetFixedHeight( 3, bottomMargin );
284 // Add scroll view effect and setup constraints on pages
285 ApplyScrollViewEffect();
287 // Add pages and tiles
290 // Remove constraints for inner cube effect
291 ApplyCubeEffectToPages();
293 Dali::Window winHandle = application.GetWindow();
294 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
295 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE );
296 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
297 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
299 // Set initial orientation
300 unsigned int degrees = 0;
303 //orientation.ChangedSignal().Connect( this, &DaliTableView::OrientationChanged );
305 winHandle.ShowIndicator( Dali::Window::INVISIBLE );
307 // Background animation
308 mAnimationTimer = Timer::New( BACKGROUND_ANIMATION_DURATION );
309 mAnimationTimer.TickSignal().Connect( this, &DaliTableView::PauseBackgroundAnimation );
310 mAnimationTimer.Start();
311 mBackgroundAnimsPlaying = true;
313 KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &DaliTableView::OnKeyboardPreFocusChange );
314 KeyboardFocusManager::Get().FocusedActorEnterKeySignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
315 AccessibilityManager::Get().FocusedActorActivatedSignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
318 void DaliTableView::ApplyCubeEffectToPages()
320 ScrollViewPagePathEffect effect = ScrollViewPagePathEffect::DownCast( mScrollViewEffect );
321 unsigned int pageCount(0);
322 for( std::vector< Actor >::iterator pageIter = mPages.begin(); pageIter != mPages.end(); ++pageIter )
324 Actor page = *pageIter;
325 effect.ApplyToPage( page, pageCount++ );
329 void DaliTableView::OnButtonsPageRelayout( const Dali::Actor& actor )
334 void DaliTableView::Populate()
336 const Vector2 stageSize = Stage::GetCurrent().GetSize();
338 mTotalPages = ( mExampleList.size() + EXAMPLES_PER_PAGE - 1 ) / EXAMPLES_PER_PAGE;
340 // Populate ScrollView.
341 if( mExampleList.size() > 0 )
343 if( mSortAlphabetically )
345 sort( mExampleList.begin(), mExampleList.end(), CompareByTitle );
348 unsigned int exampleCount = 0;
349 ExampleListConstIter iter = mExampleList.begin();
351 for( int t = 0; t < mTotalPages; t++ )
354 TableView page = TableView::New( ROWS_PER_PAGE, EXAMPLES_PER_ROW );
355 page.SetAnchorPoint( AnchorPoint::CENTER );
356 page.SetParentOrigin( ParentOrigin::CENTER );
357 page.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
358 mScrollView.Add( page );
360 // Calculate the number of images going across (columns) within a page, according to the screen resolution and dpi.
361 const float margin = 2.0f;
362 const float tileParentMultiplier = 1.0f / EXAMPLES_PER_ROW;
364 for(int row = 0; row < ROWS_PER_PAGE; row++)
366 for(int column = 0; column < EXAMPLES_PER_ROW; column++)
368 const Example& example = ( *iter );
370 Actor tile = CreateTile( example.name, example.title, Vector3( tileParentMultiplier, tileParentMultiplier, 1.0f ), true );
371 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
372 accessibilityManager.SetFocusOrder( tile, ++exampleCount );
373 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_LABEL,
375 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_TRAIT, "Tile" );
376 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_HINT,
377 "You can run this example" );
379 tile.SetPadding( Padding( margin, margin, margin, margin ) );
381 page.AddChild( tile, TableView::CellPosition( row, column ) );
385 if( iter == mExampleList.end() )
391 if( iter == mExampleList.end() )
397 // Set tableview position
398 Vector3 pagePos( stageSize.width * TABLE_RELATIVE_SIZE.x * t, 0.0f, 0.0f );
399 page.SetPosition( pagePos );
401 mPages.push_back( page );
403 if( iter == mExampleList.end() )
410 // Update Ruler info.
411 mScrollRulerX = new FixedRuler( stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f );
412 mScrollRulerY = new DefaultRuler();
413 mScrollRulerX->SetDomain( RulerDomain( 0.0f, (mTotalPages+1) * stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f, true ) );
414 mScrollRulerY->Disable();
415 mScrollView.SetRulerX( mScrollRulerX );
416 mScrollView.SetRulerY( mScrollRulerY );
419 void DaliTableView::OrientationChanged( Orientation orientation )
421 // TODO: Implement if orientation change required
424 void DaliTableView::Rotate( unsigned int degrees )
426 // Resize the root actor
427 Vector2 stageSize = Stage::GetCurrent().GetSize();
428 Vector3 targetSize( stageSize.x, stageSize.y, 1.0f );
430 if( degrees == 90 || degrees == 270 )
432 targetSize = Vector3( stageSize.y, stageSize.x, 1.0f );
435 if( mRotateAnimation )
437 mRotateAnimation.Stop();
438 mRotateAnimation.Clear();
441 mRotateAnimation = Animation::New( ROTATE_ANIMATION_TIME );
442 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 - degrees ) ), Vector3::ZAXIS ), AlphaFunction::EASE_OUT );
443 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::SIZE ), targetSize, AlphaFunction::EASE_OUT );
444 mRotateAnimation.Play();
447 Actor DaliTableView::CreateTile( const std::string& name, const std::string& title, const Dali::Vector3& sizeMultiplier, bool addBackground )
449 Actor content = Actor::New();
450 content.SetName( name );
451 content.SetAnchorPoint( AnchorPoint::CENTER );
452 content.SetParentOrigin( ParentOrigin::CENTER );
453 content.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
454 content.SetSizeModeFactor( sizeMultiplier );
456 // create background image
459 ImageView image = ImageView::New( TILE_BACKGROUND );
460 image.SetAnchorPoint( AnchorPoint::CENTER );
461 image.SetParentOrigin( ParentOrigin::CENTER );
462 // make the image 100% of tile
463 image.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
465 content.Add( image );
468 Toolkit::ImageView stencil = NewStencilImage();
469 stencil.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
470 image.Add( stencil );
473 TextLabel label = TextLabel::New();
474 label.SetAnchorPoint( AnchorPoint::TOP_LEFT );
475 label.SetProperty( Control::Property::STYLE_NAME, "launcherlabel" );
476 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
477 label.SetProperty( TextLabel::Property::TEXT, title );
478 label.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
479 label.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
480 label.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
481 content.Add( label );
483 // Set the tile to be keyboard focusable
484 content.SetKeyboardFocusable(true);
486 // connect to the touch events
487 content.TouchedSignal().Connect( this, &DaliTableView::OnTilePressed );
488 content.HoveredSignal().Connect( this, &DaliTableView::OnTileHovered );
493 Toolkit::ImageView DaliTableView::NewStencilImage()
495 Toolkit::ImageView stencil = ImageView::New( TILE_BACKGROUND_ALPHA );
497 stencil.SetParentOrigin( ParentOrigin::CENTER );
498 stencil.SetAnchorPoint( AnchorPoint::CENTER );
499 stencil.SetDrawMode( DrawMode::STENCIL );
501 Property::Map shaderEffect = CreateAlphaDiscardEffect();
502 stencil.SetProperty( Toolkit::ImageView::Property::IMAGE, shaderEffect );
507 bool DaliTableView::OnTilePressed( Actor actor, const TouchEvent& event )
509 bool consumed = false;
511 const TouchPoint& point = event.GetPoint( 0 );
512 if( TouchPoint::Down == point.state )
514 mPressedActor = actor;
518 // A button press is only valid if the Down & Up events
519 // both occurred within the button.
520 if( ( TouchPoint::Up == point.state ) &&
521 ( mPressedActor == actor ) )
523 // ignore Example button presses when scrolling or button animating.
524 if( ( !mScrolling ) && ( !mPressedAnimation ) )
526 std::string name = actor.GetName();
527 const ExampleListIter end = mExampleList.end();
528 for( ExampleListIter iter = mExampleList.begin(); iter != end; ++iter )
530 if( (*iter).name == name )
532 // do nothing, until pressed animation finished.
541 mPressedAnimation = Animation::New( BUTTON_PRESS_ANIMATION_TIME );
542 mPressedAnimation.SetEndAction( Animation::Discard );
544 // scale the content actor within the Tile, as to not affect the placement within the Table.
545 Actor content = actor.GetChildAt(0);
546 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3( 0.9f, 0.9f, 1.0f ), AlphaFunction::EASE_IN_OUT,
547 TimePeriod( 0.0f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
548 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3::ONE, AlphaFunction::EASE_IN_OUT,
549 TimePeriod( BUTTON_PRESS_ANIMATION_TIME * 0.5f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
550 mPressedAnimation.Play();
551 mPressedAnimation.FinishedSignal().Connect( this, &DaliTableView::OnPressedAnimationFinished );
557 void DaliTableView::OnPressedAnimationFinished( Dali::Animation& source )
559 mPressedAnimation.Reset();
562 std::string name = mPressedActor.GetName();
564 std::stringstream stream;
565 stream << DALI_EXAMPLE_BIN << name.c_str();
569 execlp( stream.str().c_str(), name.c_str(), NULL );
570 DALI_ASSERT_ALWAYS(false && "exec failed!");
572 mPressedActor.Reset();
576 void DaliTableView::OnScrollStart( const Dali::Vector2& position )
583 void DaliTableView::OnScrollComplete( const Dali::Vector2& position )
587 // move focus to 1st item of new page
588 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
589 accessibilityManager.SetCurrentFocusActor(mPages[mScrollView.GetCurrentPage()].GetChildAt(0) );
592 bool DaliTableView::OnScrollTouched( Actor actor, const TouchEvent& event )
594 const TouchPoint& point = event.GetPoint( 0 );
595 if( TouchPoint::Down == point.state )
597 mPressedActor = actor;
603 void DaliTableView::ApplyScrollViewEffect()
605 // Remove old effect if exists.
607 if( mScrollViewEffect )
609 mScrollView.RemoveEffect( mScrollViewEffect );
612 // Just one effect for now
613 SetupInnerPageCubeEffect();
615 mScrollView.ApplyEffect( mScrollViewEffect );
618 void DaliTableView::SetupInnerPageCubeEffect()
620 const Vector2 stageSize = Stage::GetCurrent().GetSize();
622 Dali::Path path = Dali::Path::New();
623 Dali::Property::Array points;
625 points[0] = Vector3( stageSize.x*0.5, 0.0f, stageSize.x*0.5f);
626 points[1] = Vector3( 0.0f, 0.0f, 0.0f );
627 points[2] = Vector3( -stageSize.x*0.5f, 0.0f, stageSize.x*0.5f);
628 path.SetProperty( Path::Property::POINTS, points );
630 Dali::Property::Array controlPoints;
631 controlPoints.Resize(4);
632 controlPoints[0] = Vector3( stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
633 controlPoints[1] = Vector3( stageSize.x*0.3f, 0.0f, 0.0f );
634 controlPoints[2] = Vector3(-stageSize.x*0.3f, 0.0f, 0.0f );
635 controlPoints[3] = Vector3(-stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
636 path.SetProperty( Path::Property::CONTROL_POINTS, controlPoints );
639 mScrollViewEffect = ScrollViewPagePathEffect::New(path,
640 Vector3(-1.0f,0.0f,0.0f),
641 Toolkit::ScrollView::Property::SCROLL_FINAL_X,
642 Vector3(stageSize.x*TABLE_RELATIVE_SIZE.x,stageSize.y*TABLE_RELATIVE_SIZE.y,0.0f),mTotalPages);
645 void DaliTableView::OnKeyEvent( const KeyEvent& event )
647 if( event.state == KeyEvent::Down )
649 if ( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
651 // If there's a Popup, Hide it if it's contributing to the display in any way (EG. transitioning in or out).
653 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() != Toolkit::Popup::HIDDEN ) )
655 mVersionPopup.SetDisplayState( Popup::HIDDEN );
665 void DaliTableView::SetupBackground( Actor bubbleContainer )
667 // Create distance field shape.
668 BufferImage distanceField;
669 Size imageSize( 512, 512 );
670 CreateShapeImage( CIRCLE, imageSize, distanceField );
672 // Add bubbles to the bubbleContainer.
673 // Note: The bubbleContainer is parented externally to this function.
674 AddBackgroundActors( bubbleContainer, NUM_BACKGROUND_IMAGES, distanceField );
677 void DaliTableView::InitialiseBackgroundActors( Actor actor )
679 // Delete current animations
680 mBackgroundAnimations.clear();
682 // Create new animations
683 const Vector3 size = actor.GetTargetSize();
685 for( unsigned int i = 0, childCount = actor.GetChildCount(); i < childCount; ++i )
687 Actor child = actor.GetChildAt( i );
689 // Calculate a random position
690 Vector3 childPos( Random::Range( -size.x * 0.5f * BACKGROUND_SPREAD_SCALE, size.x * 0.5f * BACKGROUND_SPREAD_SCALE ),
691 Random::Range( -size.y, size.y ),
692 Random::Range( BUBBLE_MIN_Z, BUBBLE_MAX_Z ) );
694 child.SetPosition( childPos );
696 // Define bubble horizontal parallax and vertical wrapping
697 Constraint animConstraint = Constraint::New < Vector3 > ( child, Actor::Property::POSITION, AnimateBubbleConstraint( childPos, Random::Range( -0.85f, 0.25f ) ) );
698 animConstraint.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
699 animConstraint.AddSource( Dali::ParentSource( Dali::Actor::Property::SIZE ) );
700 animConstraint.AddSource( Dali::LocalSource( Dali::Actor::Property::SIZE ) );
701 animConstraint.Apply();
704 Animation animation = Animation::New( Random::Range( 40.0f, 80.0f ) );
705 animation.AnimateBy( Property( child, Actor::Property::POSITION ), Vector3( 0.0f, -1.0f, 0.0f ), AlphaFunction::LINEAR );
706 animation.SetLooping( true );
708 mBackgroundAnimations.push_back( animation );
712 void DaliTableView::AddBackgroundActors( Actor layer, int count, BufferImage distanceField )
714 for( int i = 0; i < count; ++i )
716 float randSize = Random::Range( 10.0f, 400.0f );
717 ImageView dfActor = ImageView::New( distanceField );
718 dfActor.SetSize( Vector2( randSize, randSize ) );
719 dfActor.SetParentOrigin( ParentOrigin::CENTER );
721 Dali::Property::Map effect = Toolkit::CreateDistanceFieldEffect();
722 dfActor.SetProperty( Toolkit::ImageView::Property::IMAGE, effect );
723 dfActor.SetColor( BUBBLE_COLOR[ i%NUMBER_OF_BUBBLE_COLOR ] );
724 layer.Add( dfActor );
727 // Positioning will occur when the layer is relaid out
728 layer.OnRelayoutSignal().Connect( this, &DaliTableView::InitialiseBackgroundActors );
731 void DaliTableView::CreateShapeImage( ShapeType shapeType, const Size& size, BufferImage& distanceFieldOut )
733 // this bitmap will hold the alpha map for the distance field shader
734 distanceFieldOut = BufferImage::New( size.width, size.height, Pixel::A8 );
736 // Generate bit pattern
737 std::vector< unsigned char > imageDataA8;
738 imageDataA8.reserve( size.width * size.height ); // A8
743 GenerateCircle( size, imageDataA8 );
746 GenerateSquare( size, imageDataA8 );
752 PixelBuffer* buffer = distanceFieldOut.GetBuffer();
755 GenerateDistanceFieldMap( &imageDataA8[ 0 ], size, buffer, size, 8.0f, size );
756 distanceFieldOut.Update();
760 void DaliTableView::GenerateSquare( const Size& size, std::vector< unsigned char >& distanceFieldOut )
762 for( int h = 0; h < size.height; ++h )
764 for( int w = 0; w < size.width; ++w )
766 distanceFieldOut.push_back( 0xFF );
771 void DaliTableView::GenerateCircle( const Size& size, std::vector< unsigned char >& distanceFieldOut )
773 const float radius = size.width * 0.5f * size.width * 0.5f;
774 Vector2 center( size.width / 2, size.height / 2 );
776 for( int h = 0; h < size.height; ++h )
778 for( int w = 0; w < size.width; ++w )
781 Vector2 dist = pos - center;
783 if( dist.x * dist.x + dist.y * dist.y > radius )
785 distanceFieldOut.push_back( 0x00 );
789 distanceFieldOut.push_back( 0xFF );
795 ImageView DaliTableView::CreateLogo( std::string imagePath )
797 Image image = ResourceImage::New( imagePath );
798 ImageView logo = ImageView::New( image );
800 logo.SetAnchorPoint( AnchorPoint::CENTER );
801 logo.SetParentOrigin( ParentOrigin::CENTER );
806 bool DaliTableView::PauseBackgroundAnimation()
813 void DaliTableView::PauseAnimation()
815 if( mBackgroundAnimsPlaying )
817 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
819 Animation anim = *animIter;
824 mBackgroundAnimsPlaying = false;
828 void DaliTableView::PlayAnimation()
830 if ( !mBackgroundAnimsPlaying )
832 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
834 Animation anim = *animIter;
839 mBackgroundAnimsPlaying = true;
842 mAnimationTimer.SetInterval( BACKGROUND_ANIMATION_DURATION );
845 Dali::Actor DaliTableView::OnKeyboardPreFocusChange( Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction )
847 Actor nextFocusActor = proposed;
849 if ( !current && !proposed )
851 // Set the initial focus to the first tile in the current page should be focused.
852 nextFocusActor = mPages[mScrollView.GetCurrentPage()].GetChildAt(0);
854 else if( !proposed || (proposed && proposed == mScrollViewLayer) )
856 // ScrollView is being focused but nothing in the current page can be focused further
857 // in the given direction. We should work out which page to scroll to next.
858 int currentPage = mScrollView.GetCurrentPage();
859 int newPage = currentPage;
860 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
864 else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
869 newPage = std::max(0, std::min(mTotalPages - 1, newPage));
870 if( newPage == currentPage )
872 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
874 newPage = mTotalPages - 1;
875 } else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
881 // Scroll to the page in the given direction
882 mScrollView.ScrollTo(newPage);
884 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
886 // Work out the cell position for the last tile
887 int remainingExamples = mExampleList.size() - newPage * EXAMPLES_PER_PAGE;
888 int rowPos = (remainingExamples >= EXAMPLES_PER_PAGE) ? ROWS_PER_PAGE - 1 : ( (remainingExamples % EXAMPLES_PER_PAGE + EXAMPLES_PER_ROW) / EXAMPLES_PER_ROW - 1 );
889 int colPos = remainingExamples >= EXAMPLES_PER_PAGE ? EXAMPLES_PER_ROW - 1 : ( remainingExamples % EXAMPLES_PER_PAGE - rowPos * EXAMPLES_PER_ROW - 1 );
891 // Move the focus to the last tile in the new page.
892 nextFocusActor = mPages[newPage].GetChildAt(rowPos * EXAMPLES_PER_ROW + colPos);
896 // Move the focus to the first tile in the new page.
897 nextFocusActor = mPages[newPage].GetChildAt(0);
901 return nextFocusActor;
904 void DaliTableView::OnFocusedActorActivated( Dali::Actor activatedActor )
908 mPressedActor = activatedActor;
910 // Activate the current focused actor;
911 TouchEvent touchEventUp;
912 touchEventUp.points.push_back( TouchPoint ( 0, TouchPoint::Up, 0.0f, 0.0f ) );
913 OnTilePressed(mPressedActor, touchEventUp);
917 bool DaliTableView::OnTileHovered( Actor actor, const HoverEvent& event )
919 KeyboardFocusManager::Get().SetCurrentFocusActor( actor );
923 void DaliTableView::OnLogoTapped( Dali::Actor actor, const Dali::TapGesture& tap )
925 // Only show if currently fully hidden. If transitioning-out, the transition will not be interrupted.
926 if ( !mVersionPopup || ( mVersionPopup.GetDisplayState() == Toolkit::Popup::HIDDEN ) )
928 if ( !mVersionPopup )
930 std::ostringstream stream;
931 stream << "DALi Core: " << CORE_MAJOR_VERSION << "." << CORE_MINOR_VERSION << "." << CORE_MICRO_VERSION << std::endl << "(" << CORE_BUILD_DATE << ")\n";
932 stream << "DALi Adaptor: " << ADAPTOR_MAJOR_VERSION << "." << ADAPTOR_MINOR_VERSION << "." << ADAPTOR_MICRO_VERSION << std::endl << "(" << ADAPTOR_BUILD_DATE << ")\n";
933 stream << "DALi Toolkit: " << TOOLKIT_MAJOR_VERSION << "." << TOOLKIT_MINOR_VERSION << "." << TOOLKIT_MICRO_VERSION << std::endl << "(" << TOOLKIT_BUILD_DATE << ")\n";
935 mVersionPopup = Dali::Toolkit::Popup::New();
937 Toolkit::TextLabel titleActor = Toolkit::TextLabel::New( "Version information" );
938 titleActor.SetName( "titleActor" );
939 titleActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
941 Toolkit::TextLabel contentActor = Toolkit::TextLabel::New( stream.str() );
942 contentActor.SetName( "contentActor" );
943 contentActor.SetProperty( Toolkit::TextLabel::Property::MULTI_LINE, true );
944 contentActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
945 contentActor.SetPadding( Padding( 0.0f, 0.0f, 20.0f, 0.0f ) );
947 mVersionPopup.SetTitle( titleActor );
948 mVersionPopup.SetContent( contentActor );
950 mVersionPopup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::WIDTH );
951 mVersionPopup.SetSizeModeFactor( Vector3( 0.75f, 1.0f, 1.0f ) );
952 mVersionPopup.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
954 mVersionPopup.OutsideTouchedSignal().Connect( this, &DaliTableView::HideVersionPopup );
955 Stage::GetCurrent().Add( mVersionPopup );
958 mVersionPopup.SetDisplayState( Popup::SHOWN );
962 void DaliTableView::HideVersionPopup()
964 // Only hide if currently fully shown. If transitioning-in, the transition will not be interrupted.
965 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() == Toolkit::Popup::SHOWN ) )
967 mVersionPopup.SetDisplayState( Popup::HIDDEN );