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>
32 #include "shared/view.h"
33 #include "shared/utility.h"
36 using namespace Dali::Toolkit;
38 ///////////////////////////////////////////////////////////////////////////////
43 const std::string LOGO_PATH( DEMO_IMAGE_DIR "Logo-for-demo.png" );
44 const std::string TILE_BACKGROUND(DEMO_IMAGE_DIR "item-background.9.png");
45 const std::string TILE_BACKGROUND_ALPHA( DEMO_IMAGE_DIR "demo-tile-texture.9.png" );
46 const std::string TILE_FOCUS( DEMO_IMAGE_DIR "tile-focus.9.png" );
48 // Keyboard focus effect constants.
49 const float KEYBOARD_FOCUS_ANIMATION_DURATION = 1.0f; ///< The total duration of the keyboard focus animation
50 const float KEYBOARD_FOCUS_START_SCALE = 1.05f; ///< The starting scale of the focus highlight
51 const float KEYBOARD_FOCUS_END_SCALE = 1.18f; ///< The end scale of the focus highlight
52 const float KEYBOARD_FOCUS_END_ALPHA = 0.7f; ///< The end alpha of the focus highlight
53 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.
54 const Vector3 startScale( KEYBOARD_FOCUS_START_SCALE, KEYBOARD_FOCUS_START_SCALE, KEYBOARD_FOCUS_START_SCALE ); ///< @see KEYBOARD_FOCUS_START_SCALE
55 const Vector3 endScale( KEYBOARD_FOCUS_END_SCALE, KEYBOARD_FOCUS_END_SCALE, KEYBOARD_FOCUS_END_SCALE ); ///< @see KEYBOARD_FOCUS_END_SCALE
56 const float initialFadeDuration = KEYBOARD_FOCUS_ANIMATION_DURATION * KEYBOARD_FOCUS_INITIAL_FADE_PERCENTAGE; ///< @see KEYBOARD_FOCUS_INITIAL_FADE_PERCENTAGE
58 const float TILE_LABEL_PADDING = 8.0f; ///< Border between edge of tile and the example text
59 const float BUTTON_PRESS_ANIMATION_TIME = 0.35f; ///< Time to perform button scale effect.
60 const float ROTATE_ANIMATION_TIME = 0.5f; ///< Time to perform rotate effect.
61 const int MAX_PAGES = 256; ///< Maximum pages (arbitrary safety limit)
62 const int EXAMPLES_PER_ROW = 3;
63 const int ROWS_PER_PAGE = 3;
64 const int EXAMPLES_PER_PAGE = EXAMPLES_PER_ROW * ROWS_PER_PAGE;
65 const float LOGO_MARGIN_RATIO = 0.1f / 0.3f;
66 const float BOTTOM_PADDING_RATIO = 0.4f / 0.9f;
67 const Vector3 SCROLLVIEW_RELATIVE_SIZE(0.9f, 1.0f, 0.8f ); ///< ScrollView's relative size to its parent
68 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.
69 const float STENCIL_RELATIVE_SIZE = 1.0f;
71 const float EFFECT_SNAP_DURATION = 0.66f; ///< Scroll Snap Duration for Effects
72 const float EFFECT_FLICK_DURATION = 0.5f; ///< Scroll Flick Duration for Effects
73 const Vector3 ANGLE_CUBE_PAGE_ROTATE(Math::PI * 0.5f, Math::PI * 0.5f, 0.0f);
74 const Vector4 TILE_COLOR( 0.4f, 0.6f, 0.9f, 0.6f );
76 const Vector4 BUBBLE_COLOR[] =
78 Vector4( 0.3255f, 0.3412f, 0.6353f, 0.32f ),
79 Vector4( 0.3647f, 0.7569f, 0.8157f, 0.32f ),
80 Vector4( 0.3804f, 0.7412f, 0.6510f, 0.32f ),
81 Vector4( 1.f, 1.f, 1.f, 0.13f )
83 const int NUMBER_OF_BUBBLE_COLOR( sizeof(BUBBLE_COLOR) / sizeof(BUBBLE_COLOR[0]) );
85 const char * const SHAPE_IMAGE_TABLE[] =
87 DEMO_IMAGE_DIR "shape-circle.png",
88 DEMO_IMAGE_DIR "shape-bubble.png"
90 const int NUMBER_OF_SHAPE_IMAGES( sizeof( SHAPE_IMAGE_TABLE ) / sizeof( SHAPE_IMAGE_TABLE[0] ) );
92 const int NUM_BACKGROUND_IMAGES = 18;
93 const float BACKGROUND_SWIPE_SCALE = 0.025f;
94 const float BACKGROUND_SPREAD_SCALE = 1.5f;
95 const float SCALE_MOD = 1000.0f * Math::PI * 2.0f;
96 const float SCALE_SPEED = 10.0f;
97 const float SCALE_SPEED_SIN = 0.1f;
99 const unsigned int BACKGROUND_ANIMATION_DURATION = 15000; // 15 secs
101 const Vector4 BACKGROUND_COLOR( 0.3569f, 0.5451f, 0.7294f, 1.0f );
103 const float BUBBLE_MIN_Z = -1.0;
104 const float BUBBLE_MAX_Z = 0.0f;
106 // This shader takes a texture.
107 // An alpha discard is performed.
108 // The shader uses the tiles position within the scroll-view page and the scroll-views rotation position to create a parallax effect.
109 const char* FRAGMENT_SHADER_TEXTURED = DALI_COMPOSE_SHADER(
110 varying mediump vec2 vTexCoord;
111 varying mediump vec3 vIllumination;
112 uniform lowp vec4 uColor;
113 uniform sampler2D sTexture;
114 uniform mediump vec3 uCustomPosition;
118 if( texture2D( sTexture, vTexCoord ).a <= 0.0001 )
123 mediump vec2 wrapTexCoord = vec2( ( vTexCoord.x / 4.0 ) + ( uCustomPosition.x / 4.0 ) + ( uCustomPosition.z / 2.0 ), vTexCoord.y / 4.0 );
124 mediump vec4 color = texture2D( sTexture, wrapTexCoord );
125 mediump float positionWeight = ( uCustomPosition.y + 0.3 ) * color.r * 2.0;
127 gl_FragColor = vec4( positionWeight, positionWeight, positionWeight, 0.9 ) * uColor + vec4( uColor.xyz, 0.0 );
132 * Creates the background image
134 Control CreateBackground( std::string stylename )
136 Control background = Control::New();
137 Stage::GetCurrent().Add( background );
138 background.SetStyleName( stylename );
139 background.SetName( "BACKGROUND" );
140 background.SetAnchorPoint( AnchorPoint::CENTER );
141 background.SetParentOrigin( ParentOrigin::CENTER );
142 background.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
147 * Constraint to return a position for a bubble based on the scroll value and vertical wrapping
149 struct AnimateBubbleConstraint
152 AnimateBubbleConstraint( const Vector3& initialPos, float scale )
153 : mInitialX( initialPos.x ),
158 void operator()( Vector3& position, const PropertyInputContainer& inputs )
160 const Vector3& parentSize = inputs[1]->GetVector3();
161 const Vector3& childSize = inputs[2]->GetVector3();
163 // Wrap bubbles vertically.
164 float range = parentSize.y + childSize.y;
165 // This performs a float mod (we don't use fmod as we want the arithmetic modulus as opposed to the remainder).
166 position.y -= range * ( floor( position.y / range ) + 0.5f );
168 // Bubbles X position moves parallax to horizontal
169 // panning by a scale factor unique to each bubble.
170 position.x = mInitialX + ( inputs[0]->GetVector2().x * mScale );
179 * Constraint to precalculate values from the scroll-view
180 * and tile positions to pass to the tile shader.
182 struct TileShaderPositionConstraint
184 TileShaderPositionConstraint( float pageWidth, float tileXOffset )
185 : mPageWidth( pageWidth ),
186 mTileXOffset( tileXOffset )
190 void operator()( Vector3& position, const PropertyInputContainer& inputs )
192 // Set up position.x as the tiles X offset (0.0 -> 1.0).
193 position.x = mTileXOffset;
194 // Set up position.z as the linear scroll-view X offset (0.0 -> 1.0).
195 position.z = 1.0f * ( -fmod( inputs[0]->GetVector2().x, mPageWidth ) / mPageWidth );
196 // Set up position.y as a rectified version of the scroll-views X offset.
197 // IE. instead of 0.0 -> 1.0, it moves between 0.0 -> 0.5 -> 0.0 within the same span.
198 if( position.z > 0.5f )
200 position.y = 1.0f - position.z;
204 position.y = position.z;
213 bool CompareByTitle( const Example& lhs, const Example& rhs )
215 return lhs.title < rhs.title;
220 DaliTableView::DaliTableView( Application& application )
221 : mApplication( application ),
234 mBackgroundAnimations(),
239 mSortAlphabetically( false ),
240 mBackgroundAnimsPlaying( false )
242 application.InitSignal().Connect( this, &DaliTableView::Initialize );
245 DaliTableView::~DaliTableView()
249 void DaliTableView::AddExample( Example example )
251 mExampleList.push_back( example );
254 void DaliTableView::SortAlphabetically( bool sortAlphabetically )
256 mSortAlphabetically = sortAlphabetically;
259 void DaliTableView::Initialize( Application& application )
261 Stage::GetCurrent().KeyEventSignal().Connect( this, &DaliTableView::OnKeyEvent );
262 const Vector2 stageSize = Stage::GetCurrent().GetSize();
265 mRootActor = CreateBackground( "LauncherBackground" );
266 Stage::GetCurrent().Add( mRootActor );
269 ImageView logo = CreateLogo( LOGO_PATH );
270 logo.SetName( "LOGO_IMAGE" );
271 logo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
272 logo.SetParentOrigin( Vector3( 0.5f, 0.1f, 0.5f ) );
273 logo.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
274 // The logo should appear on top of everything.
275 logo.SetDrawMode( DrawMode::OVERLAY_2D );
276 mRootActor.Add( logo );
278 // Show version in a popup when log is tapped
279 mLogoTapDetector = TapGestureDetector::New();
280 mLogoTapDetector.Attach( logo );
281 mLogoTapDetector.DetectedSignal().Connect( this, &DaliTableView::OnLogoTapped );
283 // Scrollview occupying the majority of the screen
284 mScrollView = ScrollView::New();
285 mScrollView.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
286 mScrollView.SetParentOrigin( Vector3( 0.5f, 1.0f - 0.05f, 0.5f ) );
287 mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
288 mScrollView.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT );
289 mScrollView.SetSizeModeFactor( Vector3( 0.0f, 0.6f, 0.0f ) );
291 const float buttonsPageMargin = ( 1.0f - TABLE_RELATIVE_SIZE.x ) * 0.5f * stageSize.width;
292 mScrollView.SetPadding( Padding( buttonsPageMargin, buttonsPageMargin, 0.0f, 0.0f ) );
294 mScrollView.SetAxisAutoLock( true );
295 mScrollView.ScrollCompletedSignal().Connect( this, &DaliTableView::OnScrollComplete );
296 mScrollView.ScrollStartedSignal().Connect( this, &DaliTableView::OnScrollStart );
297 mScrollView.TouchSignal().Connect( this, &DaliTableView::OnScrollTouched );
299 mPageWidth = stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f;
301 // Populate background and bubbles - needs to be scrollViewLayer so scroll ends show
302 Actor bubbleContainer = Actor::New();
303 bubbleContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
304 bubbleContainer.SetAnchorPoint( AnchorPoint::CENTER );
305 bubbleContainer.SetParentOrigin( ParentOrigin::CENTER );
306 SetupBackground( bubbleContainer );
308 mRootActor.Add( bubbleContainer );
309 mRootActor.Add( mScrollView );
311 // Add scroll view effect and setup constraints on pages
312 ApplyScrollViewEffect();
314 // Add pages and tiles
317 // Remove constraints for inner cube effect
318 ApplyCubeEffectToPages();
320 Dali::Window winHandle = application.GetWindow();
321 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
322 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE );
323 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
324 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
326 // Set initial orientation
327 unsigned int degrees = 0;
330 winHandle.ShowIndicator( Dali::Window::INVISIBLE );
332 // Background animation
333 mAnimationTimer = Timer::New( BACKGROUND_ANIMATION_DURATION );
334 mAnimationTimer.TickSignal().Connect( this, &DaliTableView::PauseBackgroundAnimation );
335 mAnimationTimer.Start();
336 mBackgroundAnimsPlaying = true;
341 void DaliTableView::CreateFocusEffect()
343 // Hook the required signals to manage the focus.
344 KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &DaliTableView::OnKeyboardPreFocusChange );
345 KeyboardFocusManager::Get().FocusedActorEnterKeySignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
346 AccessibilityManager::Get().FocusedActorActivatedSignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
348 // Loop to create both actors for the focus highlight effect.
349 for( unsigned int i = 0; i < FOCUS_ANIMATION_ACTOR_NUMBER; ++i )
351 mFocusEffect[i].actor = ImageView::New( TILE_FOCUS );
352 mFocusEffect[i].actor.SetParentOrigin( ParentOrigin::CENTER );
353 mFocusEffect[i].actor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
354 mFocusEffect[i].actor.SetInheritScale( false );
355 mFocusEffect[i].actor.SetColorMode( USE_OWN_COLOR );
357 // Setup initial values pre-animation.
358 mFocusEffect[i].actor.SetScale( startScale );
359 mFocusEffect[i].actor.SetOpacity( 0.0f );
361 // Create and setup the animation to do the following:
362 // 1) Initial fade in over short period of time
363 // 2) Zoom in (larger) and fade out simultaneously over longer period of time.
364 mFocusEffect[i].animation = Animation::New( KEYBOARD_FOCUS_ANIMATION_DURATION );
366 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), KEYBOARD_FOCUS_END_ALPHA, AlphaFunction::LINEAR, TimePeriod( 0.0f, initialFadeDuration ) );
367 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::SCALE ), endScale, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
368 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
370 mFocusEffect[i].animation.SetLooping( true );
373 // Parent the secondary effect from the primary.
374 mFocusEffect[0].actor.Add( mFocusEffect[1].actor );
376 // Play the animation on the 1st glow object.
377 mFocusEffect[0].animation.Play();
378 // Stagger the animation on the 2st glow object half way through.
379 mFocusEffect[1].animation.PlayFrom( KEYBOARD_FOCUS_ANIMATION_DURATION / 2.0f );
381 KeyboardFocusManager::Get().SetFocusIndicatorActor( mFocusEffect[0].actor );
384 void DaliTableView::ApplyCubeEffectToPages()
386 ScrollViewPagePathEffect effect = ScrollViewPagePathEffect::DownCast( mScrollViewEffect );
387 unsigned int pageCount(0);
388 for( std::vector< Actor >::iterator pageIter = mPages.begin(); pageIter != mPages.end(); ++pageIter )
390 Actor page = *pageIter;
391 effect.ApplyToPage( page, pageCount++ );
395 void DaliTableView::OnButtonsPageRelayout( const Dali::Actor& actor )
399 void DaliTableView::Populate()
401 const Vector2 stageSize = Stage::GetCurrent().GetSize();
403 mTotalPages = ( mExampleList.size() + EXAMPLES_PER_PAGE - 1 ) / EXAMPLES_PER_PAGE;
405 // Populate ScrollView.
406 if( mExampleList.size() > 0 )
408 if( mSortAlphabetically )
410 sort( mExampleList.begin(), mExampleList.end(), CompareByTitle );
413 unsigned int exampleCount = 0;
414 ExampleListConstIter iter = mExampleList.begin();
416 for( int t = 0; t < mTotalPages; t++ )
419 TableView page = TableView::New( ROWS_PER_PAGE, EXAMPLES_PER_ROW );
420 page.SetAnchorPoint( AnchorPoint::CENTER );
421 page.SetParentOrigin( ParentOrigin::CENTER );
422 page.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
423 mScrollView.Add( page );
425 // Calculate the number of images going across (columns) within a page, according to the screen resolution and dpi.
426 const float margin = 2.0f;
427 const float tileParentMultiplier = 1.0f / EXAMPLES_PER_ROW;
429 for(int row = 0; row < ROWS_PER_PAGE; row++)
431 for(int column = 0; column < EXAMPLES_PER_ROW; column++)
433 const Example& example = ( *iter );
435 // Calculate the tiles relative position on the page (between 0 & 1 in each dimension).
436 Vector2 position( static_cast<float>( column ) / ( EXAMPLES_PER_ROW - 1.0f ), static_cast<float>( row ) / ( EXAMPLES_PER_ROW - 1.0f ) );
437 Actor tile = CreateTile( example.name, example.title, Vector3( tileParentMultiplier, tileParentMultiplier, 1.0f ), position );
438 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
439 accessibilityManager.SetFocusOrder( tile, ++exampleCount );
440 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_LABEL,
442 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_TRAIT, "Tile" );
443 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_HINT,
444 "You can run this example" );
446 tile.SetPadding( Padding( margin, margin, margin, margin ) );
447 page.AddChild( tile, TableView::CellPosition( row, column ) );
451 if( iter == mExampleList.end() )
457 if( iter == mExampleList.end() )
463 mPages.push_back( page );
465 if( iter == mExampleList.end() )
472 // Update Ruler info.
473 mScrollRulerX = new FixedRuler( mPageWidth );
474 mScrollRulerY = new DefaultRuler();
475 mScrollRulerX->SetDomain( RulerDomain( 0.0f, (mTotalPages+1) * stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f, true ) );
476 mScrollRulerY->Disable();
477 mScrollView.SetRulerX( mScrollRulerX );
478 mScrollView.SetRulerY( mScrollRulerY );
481 void DaliTableView::Rotate( unsigned int degrees )
483 // Resize the root actor
484 Vector2 stageSize = Stage::GetCurrent().GetSize();
485 Vector3 targetSize( stageSize.x, stageSize.y, 1.0f );
487 if( degrees == 90 || degrees == 270 )
489 targetSize = Vector3( stageSize.y, stageSize.x, 1.0f );
492 if( mRotateAnimation )
494 mRotateAnimation.Stop();
495 mRotateAnimation.Clear();
498 mRotateAnimation = Animation::New( ROTATE_ANIMATION_TIME );
499 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 - degrees ) ), Vector3::ZAXIS ), AlphaFunction::EASE_OUT );
500 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::SIZE ), targetSize, AlphaFunction::EASE_OUT );
501 mRotateAnimation.Play();
504 Actor DaliTableView::CreateTile( const std::string& name, const std::string& title, const Dali::Vector3& sizeMultiplier, Vector2& position )
506 Actor focusableTile = Actor::New();
507 focusableTile.SetParentOrigin( ParentOrigin::CENTER );
508 focusableTile.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
509 focusableTile.SetSizeModeFactor( sizeMultiplier );
510 focusableTile.SetName( name );
512 // Set the tile to be keyboard focusable
513 focusableTile.SetKeyboardFocusable( true );
515 Toolkit::ImageView tileContent = ImageView::New();
516 tileContent.SetParentOrigin( ParentOrigin::CENTER );
517 tileContent.SetAnchorPoint( AnchorPoint::CENTER );
518 tileContent.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
520 // Add the image via the property first.
521 tileContent.SetProperty( Toolkit::ImageView::Property::IMAGE, TILE_BACKGROUND_ALPHA );
522 // Register a property with the ImageView. This allows us to inject the scroll-view position into the shader.
523 Property::Value value = Vector3( 0.0f, 0.0f, 0.0f );
524 Property::Index propertyIndex = tileContent.RegisterProperty( "uCustomPosition", value );
526 // Add a shader to the image (details in shader source).
528 Property::Map customShader;
529 customShader[ Visual::Shader::Property::FRAGMENT_SHADER ] = FRAGMENT_SHADER_TEXTURED;
530 map[ Visual::Property::SHADER ] = customShader;
531 tileContent.SetProperty( Toolkit::ImageView::Property::IMAGE, map );
532 tileContent.SetColor( TILE_COLOR );
534 // We create a constraint to perform a precalculation on the scroll-view X offset
535 // and pass it to the shader uniform, along with the tile's position.
536 Constraint shaderPosition = Constraint::New < Vector3 > ( tileContent, propertyIndex, TileShaderPositionConstraint( mPageWidth, position.x ) );
537 shaderPosition.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
538 shaderPosition.SetRemoveAction( Constraint::Discard );
539 shaderPosition.Apply();
540 focusableTile.Add( tileContent );
542 // Create an ImageView for the 9-patch border around the tile.
543 ImageView borderImage = ImageView::New( TILE_BACKGROUND );
544 borderImage.SetAnchorPoint( AnchorPoint::CENTER );
545 borderImage.SetParentOrigin( ParentOrigin::CENTER );
546 borderImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
547 borderImage.SetOpacity( 0.8f );
548 tileContent.Add( borderImage );
550 TextLabel label = TextLabel::New();
551 label.SetAnchorPoint( AnchorPoint::CENTER );
552 label.SetParentOrigin( ParentOrigin::CENTER );
553 label.SetStyleName( "LauncherLabel" );
554 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
555 label.SetProperty( TextLabel::Property::TEXT, title );
556 label.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
557 label.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
558 label.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
560 // Pad around the label as its size is the same as the 9-patch border. It will overlap it without padding.
561 label.SetPadding( Padding( TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING ) );
562 focusableTile.Add( label );
564 // Connect to the touch events
565 focusableTile.TouchSignal().Connect( this, &DaliTableView::OnTilePressed );
566 focusableTile.HoveredSignal().Connect( this, &DaliTableView::OnTileHovered );
568 return focusableTile;
571 bool DaliTableView::OnTilePressed( Actor actor, const TouchData& event )
573 return DoTilePress( actor, event.GetState( 0 ) );
576 bool DaliTableView::DoTilePress( Actor actor, PointState::Type pointState )
578 bool consumed = false;
580 if( PointState::DOWN == pointState )
582 mPressedActor = actor;
586 // A button press is only valid if the Down & Up events
587 // both occurred within the button.
588 if( ( PointState::UP == pointState ) &&
589 ( mPressedActor == actor ) )
591 // ignore Example button presses when scrolling or button animating.
592 if( ( !mScrolling ) && ( !mPressedAnimation ) )
594 std::string name = actor.GetName();
595 const ExampleListIter end = mExampleList.end();
596 for( ExampleListIter iter = mExampleList.begin(); iter != end; ++iter )
598 if( (*iter).name == name )
600 // do nothing, until pressed animation finished.
609 mPressedAnimation = Animation::New( BUTTON_PRESS_ANIMATION_TIME );
610 mPressedAnimation.SetEndAction( Animation::Discard );
612 // scale the content actor within the Tile, as to not affect the placement within the Table.
613 Actor content = actor.GetChildAt(0);
614 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3( 0.7f, 0.7f, 1.0f ), AlphaFunction::EASE_IN_OUT,
615 TimePeriod( 0.0f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
616 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3::ONE, AlphaFunction::EASE_IN_OUT,
617 TimePeriod( BUTTON_PRESS_ANIMATION_TIME * 0.5f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
619 // Rotate button on the Y axis when pressed.
620 mPressedAnimation.AnimateBy( Property( content, Actor::Property::ORIENTATION ), Quaternion( Degree( 0.0f ), Degree( 180.0f ), Degree( 0.0f ) ) );
622 mPressedAnimation.Play();
623 mPressedAnimation.FinishedSignal().Connect( this, &DaliTableView::OnPressedAnimationFinished );
629 void DaliTableView::OnPressedAnimationFinished( Dali::Animation& source )
631 mPressedAnimation.Reset();
634 std::string name = mPressedActor.GetName();
636 std::stringstream stream;
637 stream << DEMO_EXAMPLE_BIN << name.c_str();
641 execlp( stream.str().c_str(), name.c_str(), NULL );
642 DALI_ASSERT_ALWAYS(false && "exec failed!");
644 mPressedActor.Reset();
648 void DaliTableView::OnScrollStart( const Dali::Vector2& position )
655 void DaliTableView::OnScrollComplete( const Dali::Vector2& position )
659 // move focus to 1st item of new page
660 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
661 accessibilityManager.SetCurrentFocusActor(mPages[mScrollView.GetCurrentPage()].GetChildAt(0) );
664 bool DaliTableView::OnScrollTouched( Actor actor, const TouchData& event )
666 if( PointState::DOWN == event.GetState( 0 ) )
668 mPressedActor = actor;
674 void DaliTableView::ApplyScrollViewEffect()
676 // Remove old effect if exists.
678 if( mScrollViewEffect )
680 mScrollView.RemoveEffect( mScrollViewEffect );
683 // Just one effect for now
684 SetupInnerPageCubeEffect();
686 mScrollView.ApplyEffect( mScrollViewEffect );
689 void DaliTableView::SetupInnerPageCubeEffect()
691 const Vector2 stageSize = Stage::GetCurrent().GetSize();
693 Dali::Path path = Dali::Path::New();
694 Dali::Property::Array points;
696 points[0] = Vector3( stageSize.x*0.5, 0.0f, stageSize.x*0.5f);
697 points[1] = Vector3( 0.0f, 0.0f, 0.0f );
698 points[2] = Vector3( -stageSize.x*0.5f, 0.0f, stageSize.x*0.5f);
699 path.SetProperty( Path::Property::POINTS, points );
701 Dali::Property::Array controlPoints;
702 controlPoints.Resize(4);
703 controlPoints[0] = Vector3( stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
704 controlPoints[1] = Vector3( stageSize.x*0.3f, 0.0f, 0.0f );
705 controlPoints[2] = Vector3(-stageSize.x*0.3f, 0.0f, 0.0f );
706 controlPoints[3] = Vector3(-stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
707 path.SetProperty( Path::Property::CONTROL_POINTS, controlPoints );
710 mScrollViewEffect = ScrollViewPagePathEffect::New(path,
711 Vector3(-1.0f,0.0f,0.0f),
712 Toolkit::ScrollView::Property::SCROLL_FINAL_X,
713 Vector3(stageSize.x*TABLE_RELATIVE_SIZE.x,stageSize.y*TABLE_RELATIVE_SIZE.y,0.0f),mTotalPages);
716 void DaliTableView::OnKeyEvent( const KeyEvent& event )
718 if( event.state == KeyEvent::Down )
720 if ( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
722 // If there's a Popup, Hide it if it's contributing to the display in any way (EG. transitioning in or out).
724 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() != Toolkit::Popup::HIDDEN ) )
726 mVersionPopup.SetDisplayState( Popup::HIDDEN );
736 void DaliTableView::SetupBackground( Actor bubbleContainer )
738 // Add bubbles to the bubbleContainer.
739 // Note: The bubbleContainer is parented externally to this function.
740 AddBackgroundActors( bubbleContainer, NUM_BACKGROUND_IMAGES );
743 void DaliTableView::InitialiseBackgroundActors( Actor actor )
745 // Delete current animations
746 mBackgroundAnimations.clear();
748 // Create new animations
749 const Vector3 size = actor.GetTargetSize();
751 for( unsigned int i = 0, childCount = actor.GetChildCount(); i < childCount; ++i )
753 Actor child = actor.GetChildAt( i );
755 // Calculate a random position
756 Vector3 childPos( Random::Range( -size.x * 0.5f * BACKGROUND_SPREAD_SCALE, size.x * 0.85f * BACKGROUND_SPREAD_SCALE ),
757 Random::Range( -size.y, size.y ),
758 Random::Range( BUBBLE_MIN_Z, BUBBLE_MAX_Z ) );
760 child.SetPosition( childPos );
762 // Define bubble horizontal parallax and vertical wrapping
763 Constraint animConstraint = Constraint::New < Vector3 > ( child, Actor::Property::POSITION, AnimateBubbleConstraint( childPos, Random::Range( -0.85f, 0.25f ) ) );
764 animConstraint.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
765 animConstraint.AddSource( Dali::ParentSource( Dali::Actor::Property::SIZE ) );
766 animConstraint.AddSource( Dali::LocalSource( Dali::Actor::Property::SIZE ) );
767 animConstraint.SetRemoveAction( Constraint::Discard );
768 animConstraint.Apply();
771 Animation animation = Animation::New( Random::Range( 30.0f, 160.0f ) );
772 animation.AnimateBy( Property( child, Actor::Property::POSITION ), Vector3( 0.0f, -2000.0f, 0.0f ), AlphaFunction::LINEAR );
773 animation.SetLooping( true );
775 mBackgroundAnimations.push_back( animation );
779 void DaliTableView::AddBackgroundActors( Actor layer, int count )
781 for( int i = 0; i < count; ++i )
783 float randSize = Random::Range( 10.0f, 400.0f );
784 int shapeType = static_cast<int>( Random::Range( 0.0f, NUMBER_OF_SHAPE_IMAGES - 1 ) + 0.5f );
785 ImageView dfActor = ImageView::New( SHAPE_IMAGE_TABLE[ shapeType ] );
786 dfActor.SetSize( Vector2( randSize, randSize ) );
787 dfActor.SetParentOrigin( ParentOrigin::CENTER );
789 Dali::Property::Map effect = Toolkit::CreateDistanceFieldEffect();
790 dfActor.SetProperty( Toolkit::ImageView::Property::IMAGE, effect );
791 dfActor.SetColor( BUBBLE_COLOR[ i%NUMBER_OF_BUBBLE_COLOR ] );
793 layer.Add( dfActor );
796 // Positioning will occur when the layer is relaid out
797 layer.OnRelayoutSignal().Connect( this, &DaliTableView::InitialiseBackgroundActors );
800 ImageView DaliTableView::CreateLogo( std::string imagePath )
802 ImageView logo = ImageView::New( imagePath );
804 logo.SetAnchorPoint( AnchorPoint::CENTER );
805 logo.SetParentOrigin( ParentOrigin::CENTER );
810 bool DaliTableView::PauseBackgroundAnimation()
817 void DaliTableView::PauseAnimation()
819 if( mBackgroundAnimsPlaying )
821 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
823 Animation anim = *animIter;
828 mBackgroundAnimsPlaying = false;
832 void DaliTableView::PlayAnimation()
834 if ( !mBackgroundAnimsPlaying )
836 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
838 Animation anim = *animIter;
843 mBackgroundAnimsPlaying = true;
846 mAnimationTimer.SetInterval( BACKGROUND_ANIMATION_DURATION );
849 Dali::Actor DaliTableView::OnKeyboardPreFocusChange( Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction )
851 Actor nextFocusActor = proposed;
853 if( !current && !proposed )
855 // Set the initial focus to the first tile in the current page should be focused.
856 nextFocusActor = mPages[mScrollView.GetCurrentPage()].GetChildAt(0);
860 // ScrollView is being focused but nothing in the current page can be focused further
861 // in the given direction. We should work out which page to scroll to next.
862 int currentPage = mScrollView.GetCurrentPage();
863 int newPage = currentPage;
864 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
868 else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
873 newPage = std::max(0, std::min(mTotalPages - 1, newPage));
874 if( newPage == currentPage )
876 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
878 newPage = mTotalPages - 1;
879 } else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
885 // Scroll to the page in the given direction
886 mScrollView.ScrollTo(newPage);
888 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
890 // Work out the cell position for the last tile
891 int remainingExamples = mExampleList.size() - newPage * EXAMPLES_PER_PAGE;
892 int rowPos = (remainingExamples >= EXAMPLES_PER_PAGE) ? ROWS_PER_PAGE - 1 : ( (remainingExamples % EXAMPLES_PER_PAGE + EXAMPLES_PER_ROW) / EXAMPLES_PER_ROW - 1 );
893 int colPos = remainingExamples >= EXAMPLES_PER_PAGE ? EXAMPLES_PER_ROW - 1 : ( remainingExamples % EXAMPLES_PER_PAGE - rowPos * EXAMPLES_PER_ROW - 1 );
895 // Move the focus to the last tile in the new page.
896 nextFocusActor = mPages[newPage].GetChildAt(rowPos * EXAMPLES_PER_ROW + colPos);
900 // Move the focus to the first tile in the new page.
901 nextFocusActor = mPages[newPage].GetChildAt(0);
905 return nextFocusActor;
908 void DaliTableView::OnFocusedActorActivated( Dali::Actor activatedActor )
912 mPressedActor = activatedActor;
914 // Activate the current focused actor;
915 DoTilePress( mPressedActor, PointState::UP );
919 bool DaliTableView::OnTileHovered( Actor actor, const HoverEvent& event )
921 KeyboardFocusManager::Get().SetCurrentFocusActor( actor );
925 void DaliTableView::OnLogoTapped( Dali::Actor actor, const Dali::TapGesture& tap )
927 // Only show if currently fully hidden. If transitioning-out, the transition will not be interrupted.
928 if ( !mVersionPopup || ( mVersionPopup.GetDisplayState() == Toolkit::Popup::HIDDEN ) )
930 if ( !mVersionPopup )
932 std::ostringstream stream;
933 stream << "DALi Core: " << CORE_MAJOR_VERSION << "." << CORE_MINOR_VERSION << "." << CORE_MICRO_VERSION << std::endl << "(" << CORE_BUILD_DATE << ")\n";
934 stream << "DALi Adaptor: " << ADAPTOR_MAJOR_VERSION << "." << ADAPTOR_MINOR_VERSION << "." << ADAPTOR_MICRO_VERSION << std::endl << "(" << ADAPTOR_BUILD_DATE << ")\n";
935 stream << "DALi Toolkit: " << TOOLKIT_MAJOR_VERSION << "." << TOOLKIT_MINOR_VERSION << "." << TOOLKIT_MICRO_VERSION << std::endl << "(" << TOOLKIT_BUILD_DATE << ")\n";
937 mVersionPopup = Dali::Toolkit::Popup::New();
939 Toolkit::TextLabel titleActor = Toolkit::TextLabel::New( "Version information" );
940 titleActor.SetName( "titleActor" );
941 titleActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
943 Toolkit::TextLabel contentActor = Toolkit::TextLabel::New( stream.str() );
944 contentActor.SetName( "contentActor" );
945 contentActor.SetProperty( Toolkit::TextLabel::Property::MULTI_LINE, true );
946 contentActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
947 contentActor.SetPadding( Padding( 0.0f, 0.0f, 20.0f, 0.0f ) );
949 mVersionPopup.SetTitle( titleActor );
950 mVersionPopup.SetContent( contentActor );
952 mVersionPopup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::WIDTH );
953 mVersionPopup.SetSizeModeFactor( Vector3( 0.75f, 1.0f, 1.0f ) );
954 mVersionPopup.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
956 mVersionPopup.OutsideTouchedSignal().Connect( this, &DaliTableView::HideVersionPopup );
957 Stage::GetCurrent().Add( mVersionPopup );
960 mVersionPopup.SetDisplayState( Popup::SHOWN );
964 void DaliTableView::HideVersionPopup()
966 // Only hide if currently fully shown. If transitioning-in, the transition will not be interrupted.
967 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() == Toolkit::Popup::SHOWN ) )
969 mVersionPopup.SetDisplayState( Popup::HIDDEN );