2 * Copyright (c) 2017 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>
28 #include <dali-toolkit/dali-toolkit.h>
29 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
30 #include <dali-toolkit/devel-api/controls/control-devel.h>
33 #include "shared/view.h"
34 #include "shared/utility.h"
37 using namespace Dali::Toolkit;
39 ///////////////////////////////////////////////////////////////////////////////
44 const std::string LOGO_PATH( DEMO_IMAGE_DIR "Logo-for-demo.png" );
46 // Keyboard focus effect constants.
47 const float KEYBOARD_FOCUS_ANIMATION_DURATION = 1.0f; ///< The total duration of the keyboard focus animation
48 const float KEYBOARD_FOCUS_START_SCALE = 1.05f; ///< The starting scale of the focus highlight
49 const float KEYBOARD_FOCUS_END_SCALE = 1.18f; ///< The end scale of the focus highlight
50 const float KEYBOARD_FOCUS_END_ALPHA = 0.7f; ///< The end alpha of the focus highlight
51 const float KEYBOARD_FOCUS_INITIAL_FADE_PERCENTAGE = 0.16f; ///< The duration of the initial fade (from translucent to the end-alpha) as a percentage of the overal animation duration.
52 const Vector3 startScale( KEYBOARD_FOCUS_START_SCALE, KEYBOARD_FOCUS_START_SCALE, KEYBOARD_FOCUS_START_SCALE ); ///< @see KEYBOARD_FOCUS_START_SCALE
53 const Vector3 endScale( KEYBOARD_FOCUS_END_SCALE, KEYBOARD_FOCUS_END_SCALE, KEYBOARD_FOCUS_END_SCALE ); ///< @see KEYBOARD_FOCUS_END_SCALE
54 const float initialFadeDuration = KEYBOARD_FOCUS_ANIMATION_DURATION * KEYBOARD_FOCUS_INITIAL_FADE_PERCENTAGE; ///< @see KEYBOARD_FOCUS_INITIAL_FADE_PERCENTAGE
56 const float TILE_LABEL_PADDING = 8.0f; ///< Border between edge of tile and the example text
57 const float BUTTON_PRESS_ANIMATION_TIME = 0.35f; ///< Time to perform button scale effect.
58 const float ROTATE_ANIMATION_TIME = 0.5f; ///< Time to perform rotate effect.
59 const int MAX_PAGES = 256; ///< Maximum pages (arbitrary safety limit)
60 const int EXAMPLES_PER_ROW = 3;
61 const int ROWS_PER_PAGE = 3;
62 const int EXAMPLES_PER_PAGE = EXAMPLES_PER_ROW * ROWS_PER_PAGE;
63 const float LOGO_MARGIN_RATIO = 0.1f / 0.3f;
64 const float BOTTOM_PADDING_RATIO = 0.4f / 0.9f;
65 const Vector3 SCROLLVIEW_RELATIVE_SIZE(0.9f, 1.0f, 0.8f ); ///< ScrollView's relative size to its parent
66 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.
67 const float STENCIL_RELATIVE_SIZE = 1.0f;
69 const float EFFECT_SNAP_DURATION = 0.66f; ///< Scroll Snap Duration for Effects
70 const float EFFECT_FLICK_DURATION = 0.5f; ///< Scroll Flick Duration for Effects
71 const Vector3 ANGLE_CUBE_PAGE_ROTATE(Math::PI * 0.5f, Math::PI * 0.5f, 0.0f);
74 const Vector4 BUBBLE_COLOR[] =
76 Vector4( 0.3255f, 0.3412f, 0.6353f, 0.32f ),
77 Vector4( 0.3647f, 0.7569f, 0.8157f, 0.32f ),
78 Vector4( 0.3804f, 0.7412f, 0.6510f, 0.32f ),
79 Vector4( 1.f, 1.f, 1.f, 0.13f )
81 const int NUMBER_OF_BUBBLE_COLOR( sizeof(BUBBLE_COLOR) / sizeof(BUBBLE_COLOR[0]) );
83 const char * const SHAPE_IMAGE_TABLE[] =
85 DEMO_IMAGE_DIR "shape-circle.png",
86 DEMO_IMAGE_DIR "shape-bubble.png"
88 const int NUMBER_OF_SHAPE_IMAGES( sizeof( SHAPE_IMAGE_TABLE ) / sizeof( SHAPE_IMAGE_TABLE[0] ) );
90 const int NUM_BACKGROUND_IMAGES = 18;
91 const float BACKGROUND_SWIPE_SCALE = 0.025f;
92 const float BACKGROUND_SPREAD_SCALE = 1.5f;
93 const float SCALE_MOD = 1000.0f * Math::PI * 2.0f;
94 const float SCALE_SPEED = 10.0f;
95 const float SCALE_SPEED_SIN = 0.1f;
97 const unsigned int BACKGROUND_ANIMATION_DURATION = 15000; // 15 secs
99 const Vector4 BACKGROUND_COLOR( 0.3569f, 0.5451f, 0.7294f, 1.0f );
101 const float BUBBLE_MIN_Z = -1.0;
102 const float BUBBLE_MAX_Z = 0.0f;
106 * Creates the background image
108 Control CreateBackground( std::string stylename )
110 Control background = Control::New();
111 Stage::GetCurrent().Add( background );
112 background.SetStyleName( stylename );
113 background.SetName( "BACKGROUND" );
114 background.SetAnchorPoint( AnchorPoint::CENTER );
115 background.SetParentOrigin( ParentOrigin::CENTER );
116 background.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
121 * Constraint to return a position for a bubble based on the scroll value and vertical wrapping
123 struct AnimateBubbleConstraint
126 AnimateBubbleConstraint( const Vector3& initialPos, float scale )
127 : mInitialX( initialPos.x ),
132 void operator()( Vector3& position, const PropertyInputContainer& inputs )
134 const Vector3& parentSize = inputs[1]->GetVector3();
135 const Vector3& childSize = inputs[2]->GetVector3();
137 // Wrap bubbles vertically.
138 float range = parentSize.y + childSize.y;
139 // This performs a float mod (we don't use fmod as we want the arithmetic modulus as opposed to the remainder).
140 position.y -= range * ( floor( position.y / range ) + 0.5f );
142 // Bubbles X position moves parallax to horizontal
143 // panning by a scale factor unique to each bubble.
144 position.x = mInitialX + ( inputs[0]->GetVector2().x * mScale );
153 * Constraint to precalculate values from the scroll-view
154 * and tile positions to pass to the tile shader.
156 struct TileShaderPositionConstraint
158 TileShaderPositionConstraint( float pageWidth, float tileXOffset )
159 : mPageWidth( pageWidth ),
160 mTileXOffset( tileXOffset )
164 void operator()( Vector3& position, const PropertyInputContainer& inputs )
166 // Set up position.x as the tiles X offset (0.0 -> 1.0).
167 position.x = mTileXOffset;
168 // Set up position.z as the linear scroll-view X offset (0.0 -> 1.0).
169 position.z = 1.0f * ( -fmod( inputs[0]->GetVector2().x, mPageWidth ) / mPageWidth );
170 // Set up position.y as a rectified version of the scroll-views X offset.
171 // IE. instead of 0.0 -> 1.0, it moves between 0.0 -> 0.5 -> 0.0 within the same span.
172 if( position.z > 0.5f )
174 position.y = 1.0f - position.z;
178 position.y = position.z;
187 bool CompareByTitle( const Example& lhs, const Example& rhs )
189 return lhs.title < rhs.title;
194 DaliTableView::DaliTableView( Application& application )
195 : mApplication( application ),
208 mBackgroundAnimations(),
213 mSortAlphabetically( false ),
214 mBackgroundAnimsPlaying( false )
216 application.InitSignal().Connect( this, &DaliTableView::Initialize );
219 DaliTableView::~DaliTableView()
223 void DaliTableView::AddExample( Example example )
225 mExampleList.push_back( example );
228 void DaliTableView::SortAlphabetically( bool sortAlphabetically )
230 mSortAlphabetically = sortAlphabetically;
233 void DaliTableView::Initialize( Application& application )
235 Stage::GetCurrent().KeyEventSignal().Connect( this, &DaliTableView::OnKeyEvent );
236 const Vector2 stageSize = Stage::GetCurrent().GetSize();
239 mRootActor = CreateBackground( "LauncherBackground" );
240 Stage::GetCurrent().Add( mRootActor );
243 ImageView logo = ImageView::New( LOGO_PATH );
244 logo.SetName( "LOGO_IMAGE" );
245 logo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
246 logo.SetParentOrigin( Vector3( 0.5f, 0.1f, 0.5f ) );
247 logo.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
248 // The logo should appear on top of everything.
249 logo.SetDrawMode( DrawMode::OVERLAY_2D );
250 mRootActor.Add( logo );
252 // Show version in a popup when log is tapped
253 mLogoTapDetector = TapGestureDetector::New();
254 mLogoTapDetector.Attach( logo );
255 mLogoTapDetector.DetectedSignal().Connect( this, &DaliTableView::OnLogoTapped );
257 // Scrollview occupying the majority of the screen
258 mScrollView = ScrollView::New();
259 mScrollView.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
260 mScrollView.SetParentOrigin( Vector3( 0.5f, 1.0f - 0.05f, 0.5f ) );
261 mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
262 mScrollView.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT );
263 mScrollView.SetSizeModeFactor( Vector3( 0.0f, 0.6f, 0.0f ) );
265 const float buttonsPageMargin = ( 1.0f - TABLE_RELATIVE_SIZE.x ) * 0.5f * stageSize.width;
266 mScrollView.SetPadding( Padding( buttonsPageMargin, buttonsPageMargin, 0.0f, 0.0f ) );
268 mScrollView.SetAxisAutoLock( true );
269 mScrollView.ScrollCompletedSignal().Connect( this, &DaliTableView::OnScrollComplete );
270 mScrollView.ScrollStartedSignal().Connect( this, &DaliTableView::OnScrollStart );
271 mScrollView.TouchSignal().Connect( this, &DaliTableView::OnScrollTouched );
273 mPageWidth = stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f;
275 // Populate background and bubbles - needs to be scrollViewLayer so scroll ends show
276 Actor bubbleContainer = Actor::New();
277 bubbleContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
278 bubbleContainer.SetAnchorPoint( AnchorPoint::CENTER );
279 bubbleContainer.SetParentOrigin( ParentOrigin::CENTER );
280 SetupBackground( bubbleContainer );
282 mRootActor.Add( bubbleContainer );
283 mRootActor.Add( mScrollView );
285 // Add scroll view effect and setup constraints on pages
286 ApplyScrollViewEffect();
288 // Add pages and tiles
291 // Remove constraints for inner cube effect
292 ApplyCubeEffectToPages();
294 Dali::Window winHandle = application.GetWindow();
295 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
296 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE );
297 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
298 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
300 // Set initial orientation
301 unsigned int degrees = 0;
304 winHandle.ShowIndicator( Dali::Window::INVISIBLE );
306 // Background animation
307 mAnimationTimer = Timer::New( BACKGROUND_ANIMATION_DURATION );
308 mAnimationTimer.TickSignal().Connect( this, &DaliTableView::PauseBackgroundAnimation );
309 mAnimationTimer.Start();
310 mBackgroundAnimsPlaying = true;
315 void DaliTableView::CreateFocusEffect()
317 // Hook the required signals to manage the focus.
318 KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &DaliTableView::OnKeyboardPreFocusChange );
319 KeyboardFocusManager::Get().FocusedActorEnterKeySignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
321 // Loop to create both actors for the focus highlight effect.
322 for( unsigned int i = 0; i < FOCUS_ANIMATION_ACTOR_NUMBER; ++i )
324 mFocusEffect[i].actor = ImageView::New();
325 mFocusEffect[i].actor.SetStyleName( "FocusActor" );
326 mFocusEffect[i].actor.SetParentOrigin( ParentOrigin::CENTER );
327 mFocusEffect[i].actor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
328 mFocusEffect[i].actor.SetInheritScale( false );
329 mFocusEffect[i].actor.SetColorMode( USE_OWN_COLOR );
331 // Setup initial values pre-animation.
332 mFocusEffect[i].actor.SetScale( startScale );
333 mFocusEffect[i].actor.SetOpacity( 0.0f );
335 // Create and setup the animation to do the following:
336 // 1) Initial fade in over short period of time
337 // 2) Zoom in (larger) and fade out simultaneously over longer period of time.
338 mFocusEffect[i].animation = Animation::New( KEYBOARD_FOCUS_ANIMATION_DURATION );
340 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), KEYBOARD_FOCUS_END_ALPHA, AlphaFunction::LINEAR, TimePeriod( 0.0f, initialFadeDuration ) );
341 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::SCALE ), endScale, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
342 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
344 mFocusEffect[i].animation.SetLooping( true );
347 // Parent the secondary effect from the primary.
348 mFocusEffect[0].actor.Add( mFocusEffect[1].actor );
350 // Play the animation on the 1st glow object.
351 mFocusEffect[0].animation.Play();
352 // Stagger the animation on the 2st glow object half way through.
353 mFocusEffect[1].animation.PlayFrom( KEYBOARD_FOCUS_ANIMATION_DURATION / 2.0f );
355 KeyboardFocusManager::Get().SetFocusIndicatorActor( mFocusEffect[0].actor );
358 void DaliTableView::ApplyCubeEffectToPages()
360 ScrollViewPagePathEffect effect = ScrollViewPagePathEffect::DownCast( mScrollViewEffect );
361 unsigned int pageCount(0);
362 for( std::vector< Actor >::iterator pageIter = mPages.begin(); pageIter != mPages.end(); ++pageIter )
364 Actor page = *pageIter;
365 effect.ApplyToPage( page, pageCount++ );
369 void DaliTableView::OnButtonsPageRelayout( const Dali::Actor& actor )
373 void DaliTableView::Populate()
375 const Vector2 stageSize = Stage::GetCurrent().GetSize();
377 mTotalPages = ( mExampleList.size() + EXAMPLES_PER_PAGE - 1 ) / EXAMPLES_PER_PAGE;
379 // Populate ScrollView.
380 if( mExampleList.size() > 0 )
382 if( mSortAlphabetically )
384 sort( mExampleList.begin(), mExampleList.end(), CompareByTitle );
387 ExampleListConstIter iter = mExampleList.begin();
389 for( int t = 0; t < mTotalPages; t++ )
392 TableView page = TableView::New( ROWS_PER_PAGE, EXAMPLES_PER_ROW );
393 page.SetAnchorPoint( AnchorPoint::CENTER );
394 page.SetParentOrigin( ParentOrigin::CENTER );
395 page.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
396 mScrollView.Add( page );
398 // Calculate the number of images going across (columns) within a page, according to the screen resolution and dpi.
399 const float margin = 2.0f;
400 const float tileParentMultiplier = 1.0f / EXAMPLES_PER_ROW;
402 for(int row = 0; row < ROWS_PER_PAGE; row++)
404 for(int column = 0; column < EXAMPLES_PER_ROW; column++)
406 const Example& example = ( *iter );
408 // Calculate the tiles relative position on the page (between 0 & 1 in each dimension).
409 Vector2 position( static_cast<float>( column ) / ( EXAMPLES_PER_ROW - 1.0f ), static_cast<float>( row ) / ( EXAMPLES_PER_ROW - 1.0f ) );
410 Actor tile = CreateTile( example.name, example.title, Vector3( tileParentMultiplier, tileParentMultiplier, 1.0f ), position );
411 tile.SetPadding( Padding( margin, margin, margin, margin ) );
412 page.AddChild( tile, TableView::CellPosition( row, column ) );
416 if( iter == mExampleList.end() )
422 if( iter == mExampleList.end() )
428 mPages.push_back( page );
430 if( iter == mExampleList.end() )
437 // Update Ruler info.
438 mScrollRulerX = new FixedRuler( mPageWidth );
439 mScrollRulerY = new DefaultRuler();
440 mScrollRulerX->SetDomain( RulerDomain( 0.0f, (mTotalPages+1) * stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f, true ) );
441 mScrollRulerY->Disable();
442 mScrollView.SetRulerX( mScrollRulerX );
443 mScrollView.SetRulerY( mScrollRulerY );
446 void DaliTableView::Rotate( unsigned int degrees )
448 // Resize the root actor
449 Vector2 stageSize = Stage::GetCurrent().GetSize();
450 Vector3 targetSize( stageSize.x, stageSize.y, 1.0f );
452 if( degrees == 90 || degrees == 270 )
454 targetSize = Vector3( stageSize.y, stageSize.x, 1.0f );
457 if( mRotateAnimation )
459 mRotateAnimation.Stop();
460 mRotateAnimation.Clear();
463 mRotateAnimation = Animation::New( ROTATE_ANIMATION_TIME );
464 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 - degrees ) ), Vector3::ZAXIS ), AlphaFunction::EASE_OUT );
465 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::SIZE ), targetSize, AlphaFunction::EASE_OUT );
466 mRotateAnimation.Play();
469 Actor DaliTableView::CreateTile( const std::string& name, const std::string& title, const Dali::Vector3& sizeMultiplier, Vector2& position )
471 Toolkit::ImageView focusableTile = ImageView::New();
473 focusableTile.SetStyleName( "DemoTile" );
474 focusableTile.SetParentOrigin( ParentOrigin::CENTER );
475 focusableTile.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
476 focusableTile.SetSizeModeFactor( sizeMultiplier );
477 focusableTile.SetName( name );
479 // Set the tile to be keyboard focusable
480 focusableTile.SetKeyboardFocusable( true );
482 // Register a property with the ImageView. This allows us to inject the scroll-view position into the shader.
483 Property::Value value = Vector3( 0.0f, 0.0f, 0.0f );
484 Property::Index propertyIndex = focusableTile.RegisterProperty( "uCustomPosition", value );
486 // We create a constraint to perform a precalculation on the scroll-view X offset
487 // and pass it to the shader uniform, along with the tile's position.
488 Constraint shaderPosition = Constraint::New < Vector3 > ( focusableTile, propertyIndex, TileShaderPositionConstraint( mPageWidth, position.x ) );
489 shaderPosition.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
490 shaderPosition.SetRemoveAction( Constraint::Discard );
491 shaderPosition.Apply();
492 //focusableTile.Add( tileContent );
494 // Create an ImageView for the 9-patch border around the tile.
495 ImageView borderImage = ImageView::New();
496 borderImage.SetStyleName("DemoTileBorder");
497 borderImage.SetAnchorPoint( AnchorPoint::CENTER );
498 borderImage.SetParentOrigin( ParentOrigin::CENTER );
499 borderImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
500 borderImage.SetOpacity( 0.8f );
501 DevelControl::AppendAccessibilityRelation( borderImage, focusableTile, Accessibility::RelationType::CONTROLLED_BY );
502 focusableTile.Add( borderImage );
504 TextLabel label = TextLabel::New();
505 label.SetAnchorPoint( AnchorPoint::CENTER );
506 label.SetParentOrigin( ParentOrigin::CENTER );
507 label.SetStyleName( "LauncherLabel" );
508 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
509 label.SetProperty( TextLabel::Property::TEXT, title );
510 label.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
511 label.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
512 label.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
514 // Pad around the label as its size is the same as the 9-patch border. It will overlap it without padding.
515 label.SetPadding( Padding( TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING ) );
516 label.SetProperty( Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, false );
517 DevelControl::AppendAccessibilityRelation( label, focusableTile, Accessibility::RelationType::CONTROLLED_BY );
518 focusableTile.Add( label );
520 // Connect to the touch events
521 focusableTile.TouchSignal().Connect( this, &DaliTableView::OnTilePressed );
522 focusableTile.HoveredSignal().Connect( this, &DaliTableView::OnTileHovered );
523 focusableTile.SetProperty( Toolkit::DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::PUSH_BUTTON );
524 DevelControl::AccessibilityActivateSignal( focusableTile ).Connect( this, [=]() {
525 DoTilePress( focusableTile, PointState::DOWN );
526 DoTilePress( focusableTile, PointState::UP );
529 return focusableTile;
532 bool DaliTableView::OnTilePressed( Actor actor, const TouchData& event )
534 return DoTilePress( actor, event.GetState( 0 ) );
537 bool DaliTableView::DoTilePress( Actor actor, PointState::Type pointState )
539 bool consumed = false;
541 if( PointState::DOWN == pointState )
543 mPressedActor = actor;
547 // A button press is only valid if the Down & Up events
548 // both occurred within the button.
549 if( ( PointState::UP == pointState ) &&
550 ( mPressedActor == actor ) )
552 // ignore Example button presses when scrolling or button animating.
553 if( ( !mScrolling ) && ( !mPressedAnimation ) )
555 std::string name = actor.GetName();
556 const ExampleListIter end = mExampleList.end();
557 for( ExampleListIter iter = mExampleList.begin(); iter != end; ++iter )
559 if( (*iter).name == name )
561 // do nothing, until pressed animation finished.
570 mPressedAnimation = Animation::New( BUTTON_PRESS_ANIMATION_TIME );
571 mPressedAnimation.SetEndAction( Animation::Discard );
573 // scale the content actor within the Tile, as to not affect the placement within the Table.
574 Actor content = actor.GetChildAt(0);
575 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3( 0.7f, 0.7f, 1.0f ), AlphaFunction::EASE_IN_OUT,
576 TimePeriod( 0.0f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
577 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3::ONE, AlphaFunction::EASE_IN_OUT,
578 TimePeriod( BUTTON_PRESS_ANIMATION_TIME * 0.5f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
580 // Rotate button on the Y axis when pressed.
581 mPressedAnimation.AnimateBy( Property( content, Actor::Property::ORIENTATION ), Quaternion( Degree( 0.0f ), Degree( 180.0f ), Degree( 0.0f ) ) );
583 mPressedAnimation.Play();
584 mPressedAnimation.FinishedSignal().Connect( this, &DaliTableView::OnPressedAnimationFinished );
590 void DaliTableView::OnPressedAnimationFinished( Dali::Animation& source )
592 mPressedAnimation.Reset();
595 std::string name = mPressedActor.GetName();
597 std::stringstream stream;
598 stream << DEMO_EXAMPLE_BIN << name.c_str();
602 execlp( stream.str().c_str(), name.c_str(), NULL );
603 DALI_ASSERT_ALWAYS(false && "exec failed!");
605 mPressedActor.Reset();
609 void DaliTableView::OnScrollStart( const Dali::Vector2& position )
616 void DaliTableView::OnScrollComplete( const Dali::Vector2& position )
621 bool DaliTableView::OnScrollTouched( Actor actor, const TouchData& event )
623 if( PointState::DOWN == event.GetState( 0 ) )
625 mPressedActor = actor;
631 void DaliTableView::ApplyScrollViewEffect()
633 // Remove old effect if exists.
635 if( mScrollViewEffect )
637 mScrollView.RemoveEffect( mScrollViewEffect );
640 // Just one effect for now
641 SetupInnerPageCubeEffect();
643 mScrollView.ApplyEffect( mScrollViewEffect );
646 void DaliTableView::SetupInnerPageCubeEffect()
648 const Vector2 stageSize = Stage::GetCurrent().GetSize();
650 Dali::Path path = Dali::Path::New();
651 Dali::Property::Array points;
653 points[0] = Vector3( stageSize.x*0.5, 0.0f, stageSize.x*0.5f);
654 points[1] = Vector3( 0.0f, 0.0f, 0.0f );
655 points[2] = Vector3( -stageSize.x*0.5f, 0.0f, stageSize.x*0.5f);
656 path.SetProperty( Path::Property::POINTS, points );
658 Dali::Property::Array controlPoints;
659 controlPoints.Resize(4);
660 controlPoints[0] = Vector3( stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
661 controlPoints[1] = Vector3( stageSize.x*0.3f, 0.0f, 0.0f );
662 controlPoints[2] = Vector3(-stageSize.x*0.3f, 0.0f, 0.0f );
663 controlPoints[3] = Vector3(-stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
664 path.SetProperty( Path::Property::CONTROL_POINTS, controlPoints );
667 mScrollViewEffect = ScrollViewPagePathEffect::New(path,
668 Vector3(-1.0f,0.0f,0.0f),
669 Toolkit::ScrollView::Property::SCROLL_FINAL_X,
670 Vector3(stageSize.x*TABLE_RELATIVE_SIZE.x,stageSize.y*TABLE_RELATIVE_SIZE.y,0.0f),mTotalPages);
673 void DaliTableView::OnKeyEvent( const KeyEvent& event )
675 if( event.state == KeyEvent::Down )
677 if ( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
679 // If there's a Popup, Hide it if it's contributing to the display in any way (EG. transitioning in or out).
681 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() != Toolkit::Popup::HIDDEN ) )
683 mVersionPopup.SetDisplayState( Popup::HIDDEN );
693 void DaliTableView::SetupBackground( Actor bubbleContainer )
695 // Add bubbles to the bubbleContainer.
696 // Note: The bubbleContainer is parented externally to this function.
697 AddBackgroundActors( bubbleContainer, NUM_BACKGROUND_IMAGES );
700 void DaliTableView::InitialiseBackgroundActors( Actor actor )
702 // Delete current animations
703 mBackgroundAnimations.clear();
705 // Create new animations
706 const Vector3 size = actor.GetTargetSize();
708 for( unsigned int i = 0, childCount = actor.GetChildCount(); i < childCount; ++i )
710 Actor child = actor.GetChildAt( i );
712 // Calculate a random position
713 Vector3 childPos( Random::Range( -size.x * 0.5f * BACKGROUND_SPREAD_SCALE, size.x * 0.85f * BACKGROUND_SPREAD_SCALE ),
714 Random::Range( -size.y, size.y ),
715 Random::Range( BUBBLE_MIN_Z, BUBBLE_MAX_Z ) );
717 child.SetPosition( childPos );
719 // Define bubble horizontal parallax and vertical wrapping
720 Constraint animConstraint = Constraint::New < Vector3 > ( child, Actor::Property::POSITION, AnimateBubbleConstraint( childPos, Random::Range( -0.85f, 0.25f ) ) );
721 animConstraint.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
722 animConstraint.AddSource( Dali::ParentSource( Dali::Actor::Property::SIZE ) );
723 animConstraint.AddSource( Dali::LocalSource( Dali::Actor::Property::SIZE ) );
724 animConstraint.SetRemoveAction( Constraint::Discard );
725 animConstraint.Apply();
728 Animation animation = Animation::New( Random::Range( 30.0f, 160.0f ) );
729 animation.AnimateBy( Property( child, Actor::Property::POSITION ), Vector3( 0.0f, -2000.0f, 0.0f ), AlphaFunction::LINEAR );
730 animation.SetLooping( true );
732 mBackgroundAnimations.push_back( animation );
736 void DaliTableView::AddBackgroundActors( Actor layer, int count )
738 for( int i = 0; i < count; ++i )
740 float randSize = Random::Range( 10.0f, 400.0f );
741 int shapeType = static_cast<int>( Random::Range( 0.0f, NUMBER_OF_SHAPE_IMAGES - 1 ) + 0.5f );
743 ImageView dfActor = ImageView::New();
744 dfActor.SetSize( Vector2( randSize, randSize ) );
745 dfActor.SetParentOrigin( ParentOrigin::CENTER );
747 // Set the Image URL and the custom shader at the same time
748 Dali::Property::Map effect = Toolkit::CreateDistanceFieldEffect();
749 Property::Map imageMap;
750 imageMap.Add( ImageVisual::Property::URL, SHAPE_IMAGE_TABLE[ shapeType ] );
751 imageMap.Add( Toolkit::Visual::Property::SHADER, effect );
752 dfActor.SetProperty( Toolkit::ImageView::Property::IMAGE, imageMap );
754 dfActor.SetColor( BUBBLE_COLOR[ i%NUMBER_OF_BUBBLE_COLOR ] );
756 layer.Add( dfActor );
759 // Positioning will occur when the layer is relaid out
760 layer.OnRelayoutSignal().Connect( this, &DaliTableView::InitialiseBackgroundActors );
763 bool DaliTableView::PauseBackgroundAnimation()
770 void DaliTableView::PauseAnimation()
772 if( mBackgroundAnimsPlaying )
774 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
776 Animation anim = *animIter;
781 mBackgroundAnimsPlaying = false;
785 void DaliTableView::PlayAnimation()
787 if ( !mBackgroundAnimsPlaying )
789 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
791 Animation anim = *animIter;
796 mBackgroundAnimsPlaying = true;
799 mAnimationTimer.SetInterval( BACKGROUND_ANIMATION_DURATION );
802 Dali::Actor DaliTableView::OnKeyboardPreFocusChange( Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction )
804 Actor nextFocusActor = proposed;
806 if( !current && !proposed )
808 // Set the initial focus to the first tile in the current page should be focused.
809 nextFocusActor = mPages[mScrollView.GetCurrentPage()].GetChildAt(0);
813 // ScrollView is being focused but nothing in the current page can be focused further
814 // in the given direction. We should work out which page to scroll to next.
815 int currentPage = mScrollView.GetCurrentPage();
816 int newPage = currentPage;
817 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
821 else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
826 newPage = std::max(0, std::min(mTotalPages - 1, newPage));
827 if( newPage == currentPage )
829 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
831 newPage = mTotalPages - 1;
832 } else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
838 // Scroll to the page in the given direction
839 mScrollView.ScrollTo(newPage);
841 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
843 // Work out the cell position for the last tile
844 int remainingExamples = mExampleList.size() - newPage * EXAMPLES_PER_PAGE;
845 int rowPos = (remainingExamples >= EXAMPLES_PER_PAGE) ? ROWS_PER_PAGE - 1 : ( (remainingExamples % EXAMPLES_PER_PAGE + EXAMPLES_PER_ROW) / EXAMPLES_PER_ROW - 1 );
846 int colPos = remainingExamples >= EXAMPLES_PER_PAGE ? EXAMPLES_PER_ROW - 1 : ( remainingExamples % EXAMPLES_PER_PAGE - rowPos * EXAMPLES_PER_ROW - 1 );
848 // Move the focus to the last tile in the new page.
849 nextFocusActor = mPages[newPage].GetChildAt(rowPos * EXAMPLES_PER_ROW + colPos);
853 // Move the focus to the first tile in the new page.
854 nextFocusActor = mPages[newPage].GetChildAt(0);
858 return nextFocusActor;
861 void DaliTableView::OnFocusedActorActivated( Dali::Actor activatedActor )
865 mPressedActor = activatedActor;
867 // Activate the current focused actor;
868 DoTilePress( mPressedActor, PointState::UP );
872 bool DaliTableView::OnTileHovered( Actor actor, const HoverEvent& event )
874 KeyboardFocusManager::Get().SetCurrentFocusActor( actor );
878 void DaliTableView::OnLogoTapped( Dali::Actor actor, const Dali::TapGesture& tap )
880 // Only show if currently fully hidden. If transitioning-out, the transition will not be interrupted.
881 if ( !mVersionPopup || ( mVersionPopup.GetDisplayState() == Toolkit::Popup::HIDDEN ) )
883 if ( !mVersionPopup )
885 std::ostringstream stream;
886 stream << "DALi Core: " << CORE_MAJOR_VERSION << "." << CORE_MINOR_VERSION << "." << CORE_MICRO_VERSION << std::endl << "(" << CORE_BUILD_DATE << ")\n";
887 stream << "DALi Adaptor: " << ADAPTOR_MAJOR_VERSION << "." << ADAPTOR_MINOR_VERSION << "." << ADAPTOR_MICRO_VERSION << std::endl << "(" << ADAPTOR_BUILD_DATE << ")\n";
888 stream << "DALi Toolkit: " << TOOLKIT_MAJOR_VERSION << "." << TOOLKIT_MINOR_VERSION << "." << TOOLKIT_MICRO_VERSION << std::endl << "(" << TOOLKIT_BUILD_DATE << ")\n";
890 mVersionPopup = Dali::Toolkit::Popup::New();
892 Toolkit::TextLabel titleActor = Toolkit::TextLabel::New( "Version information" );
893 titleActor.SetName( "titleActor" );
894 titleActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
896 Toolkit::TextLabel contentActor = Toolkit::TextLabel::New( stream.str() );
897 contentActor.SetName( "contentActor" );
898 contentActor.SetProperty( Toolkit::TextLabel::Property::MULTI_LINE, true );
899 contentActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
900 contentActor.SetPadding( Padding( 0.0f, 0.0f, 20.0f, 0.0f ) );
902 mVersionPopup.SetTitle( titleActor );
903 mVersionPopup.SetContent( contentActor );
905 mVersionPopup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::WIDTH );
906 mVersionPopup.SetSizeModeFactor( Vector3( 0.75f, 1.0f, 1.0f ) );
907 mVersionPopup.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
909 mVersionPopup.OutsideTouchedSignal().Connect( this, &DaliTableView::HideVersionPopup );
910 Stage::GetCurrent().Add( mVersionPopup );
913 mVersionPopup.SetDisplayState( Popup::SHOWN );
917 void DaliTableView::HideVersionPopup()
919 // Only hide if currently fully shown. If transitioning-in, the transition will not be interrupted.
920 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() == Toolkit::Popup::SHOWN ) )
922 mVersionPopup.SetDisplayState( Popup::HIDDEN );