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 uniform lowp vec4 uColor;
112 uniform sampler2D sTexture;
113 uniform mediump vec3 uCustomPosition;
117 if( texture2D( sTexture, vTexCoord ).a <= 0.0001 )
122 mediump vec2 wrapTexCoord = vec2( ( vTexCoord.x / 4.0 ) + ( uCustomPosition.x / 4.0 ) + ( uCustomPosition.z / 2.0 ), vTexCoord.y / 4.0 );
123 mediump vec4 color = texture2D( sTexture, wrapTexCoord );
124 mediump float positionWeight = ( uCustomPosition.y + 0.3 ) * color.r * 2.0;
126 gl_FragColor = vec4( positionWeight, positionWeight, positionWeight, 0.9 ) * uColor + vec4( uColor.xyz, 0.0 );
131 * Creates the background image
133 Control CreateBackground( std::string stylename )
135 Control background = Control::New();
136 Stage::GetCurrent().Add( background );
137 background.SetStyleName( stylename );
138 background.SetName( "BACKGROUND" );
139 background.SetAnchorPoint( AnchorPoint::CENTER );
140 background.SetParentOrigin( ParentOrigin::CENTER );
141 background.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
146 * Constraint to return a position for a bubble based on the scroll value and vertical wrapping
148 struct AnimateBubbleConstraint
151 AnimateBubbleConstraint( const Vector3& initialPos, float scale )
152 : mInitialX( initialPos.x ),
157 void operator()( Vector3& position, const PropertyInputContainer& inputs )
159 const Vector3& parentSize = inputs[1]->GetVector3();
160 const Vector3& childSize = inputs[2]->GetVector3();
162 // Wrap bubbles vertically.
163 float range = parentSize.y + childSize.y;
164 // This performs a float mod (we don't use fmod as we want the arithmetic modulus as opposed to the remainder).
165 position.y -= range * ( floor( position.y / range ) + 0.5f );
167 // Bubbles X position moves parallax to horizontal
168 // panning by a scale factor unique to each bubble.
169 position.x = mInitialX + ( inputs[0]->GetVector2().x * mScale );
178 * Constraint to precalculate values from the scroll-view
179 * and tile positions to pass to the tile shader.
181 struct TileShaderPositionConstraint
183 TileShaderPositionConstraint( float pageWidth, float tileXOffset )
184 : mPageWidth( pageWidth ),
185 mTileXOffset( tileXOffset )
189 void operator()( Vector3& position, const PropertyInputContainer& inputs )
191 // Set up position.x as the tiles X offset (0.0 -> 1.0).
192 position.x = mTileXOffset;
193 // Set up position.z as the linear scroll-view X offset (0.0 -> 1.0).
194 position.z = 1.0f * ( -fmod( inputs[0]->GetVector2().x, mPageWidth ) / mPageWidth );
195 // Set up position.y as a rectified version of the scroll-views X offset.
196 // IE. instead of 0.0 -> 1.0, it moves between 0.0 -> 0.5 -> 0.0 within the same span.
197 if( position.z > 0.5f )
199 position.y = 1.0f - position.z;
203 position.y = position.z;
212 bool CompareByTitle( const Example& lhs, const Example& rhs )
214 return lhs.title < rhs.title;
219 DaliTableView::DaliTableView( Application& application )
220 : mApplication( application ),
233 mBackgroundAnimations(),
238 mSortAlphabetically( false ),
239 mBackgroundAnimsPlaying( false )
241 application.InitSignal().Connect( this, &DaliTableView::Initialize );
244 DaliTableView::~DaliTableView()
248 void DaliTableView::AddExample( Example example )
250 mExampleList.push_back( example );
253 void DaliTableView::SortAlphabetically( bool sortAlphabetically )
255 mSortAlphabetically = sortAlphabetically;
258 void DaliTableView::Initialize( Application& application )
260 Stage::GetCurrent().KeyEventSignal().Connect( this, &DaliTableView::OnKeyEvent );
261 const Vector2 stageSize = Stage::GetCurrent().GetSize();
264 mRootActor = CreateBackground( "LauncherBackground" );
265 Stage::GetCurrent().Add( mRootActor );
268 ImageView logo = ImageView::New( LOGO_PATH );
269 logo.SetName( "LOGO_IMAGE" );
270 logo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
271 logo.SetParentOrigin( Vector3( 0.5f, 0.1f, 0.5f ) );
272 logo.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
273 // The logo should appear on top of everything.
274 logo.SetDrawMode( DrawMode::OVERLAY_2D );
275 mRootActor.Add( logo );
277 // Show version in a popup when log is tapped
278 mLogoTapDetector = TapGestureDetector::New();
279 mLogoTapDetector.Attach( logo );
280 mLogoTapDetector.DetectedSignal().Connect( this, &DaliTableView::OnLogoTapped );
282 // Scrollview occupying the majority of the screen
283 mScrollView = ScrollView::New();
284 mScrollView.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
285 mScrollView.SetParentOrigin( Vector3( 0.5f, 1.0f - 0.05f, 0.5f ) );
286 mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
287 mScrollView.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT );
288 mScrollView.SetSizeModeFactor( Vector3( 0.0f, 0.6f, 0.0f ) );
290 const float buttonsPageMargin = ( 1.0f - TABLE_RELATIVE_SIZE.x ) * 0.5f * stageSize.width;
291 mScrollView.SetPadding( Padding( buttonsPageMargin, buttonsPageMargin, 0.0f, 0.0f ) );
293 mScrollView.SetAxisAutoLock( true );
294 mScrollView.ScrollCompletedSignal().Connect( this, &DaliTableView::OnScrollComplete );
295 mScrollView.ScrollStartedSignal().Connect( this, &DaliTableView::OnScrollStart );
296 mScrollView.TouchSignal().Connect( this, &DaliTableView::OnScrollTouched );
298 mPageWidth = stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f;
300 // Populate background and bubbles - needs to be scrollViewLayer so scroll ends show
301 Actor bubbleContainer = Actor::New();
302 bubbleContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
303 bubbleContainer.SetAnchorPoint( AnchorPoint::CENTER );
304 bubbleContainer.SetParentOrigin( ParentOrigin::CENTER );
305 SetupBackground( bubbleContainer );
307 mRootActor.Add( bubbleContainer );
308 mRootActor.Add( mScrollView );
310 // Add scroll view effect and setup constraints on pages
311 ApplyScrollViewEffect();
313 // Add pages and tiles
316 // Remove constraints for inner cube effect
317 ApplyCubeEffectToPages();
319 Dali::Window winHandle = application.GetWindow();
320 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
321 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE );
322 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
323 winHandle.RemoveAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
325 // Set initial orientation
326 unsigned int degrees = 0;
329 winHandle.ShowIndicator( Dali::Window::INVISIBLE );
331 // Background animation
332 mAnimationTimer = Timer::New( BACKGROUND_ANIMATION_DURATION );
333 mAnimationTimer.TickSignal().Connect( this, &DaliTableView::PauseBackgroundAnimation );
334 mAnimationTimer.Start();
335 mBackgroundAnimsPlaying = true;
340 void DaliTableView::CreateFocusEffect()
342 // Hook the required signals to manage the focus.
343 KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &DaliTableView::OnKeyboardPreFocusChange );
344 KeyboardFocusManager::Get().FocusedActorEnterKeySignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
345 AccessibilityManager::Get().FocusedActorActivatedSignal().Connect( this, &DaliTableView::OnFocusedActorActivated );
347 // Loop to create both actors for the focus highlight effect.
348 for( unsigned int i = 0; i < FOCUS_ANIMATION_ACTOR_NUMBER; ++i )
350 mFocusEffect[i].actor = ImageView::New( TILE_FOCUS );
351 mFocusEffect[i].actor.SetParentOrigin( ParentOrigin::CENTER );
352 mFocusEffect[i].actor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
353 mFocusEffect[i].actor.SetInheritScale( false );
354 mFocusEffect[i].actor.SetColorMode( USE_OWN_COLOR );
356 // Setup initial values pre-animation.
357 mFocusEffect[i].actor.SetScale( startScale );
358 mFocusEffect[i].actor.SetOpacity( 0.0f );
360 // Create and setup the animation to do the following:
361 // 1) Initial fade in over short period of time
362 // 2) Zoom in (larger) and fade out simultaneously over longer period of time.
363 mFocusEffect[i].animation = Animation::New( KEYBOARD_FOCUS_ANIMATION_DURATION );
365 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), KEYBOARD_FOCUS_END_ALPHA, AlphaFunction::LINEAR, TimePeriod( 0.0f, initialFadeDuration ) );
366 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::SCALE ), endScale, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
367 mFocusEffect[i].animation.AnimateTo( Property( mFocusEffect[i].actor, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::LINEAR, TimePeriod( initialFadeDuration, KEYBOARD_FOCUS_ANIMATION_DURATION - initialFadeDuration ) );
369 mFocusEffect[i].animation.SetLooping( true );
372 // Parent the secondary effect from the primary.
373 mFocusEffect[0].actor.Add( mFocusEffect[1].actor );
375 // Play the animation on the 1st glow object.
376 mFocusEffect[0].animation.Play();
377 // Stagger the animation on the 2st glow object half way through.
378 mFocusEffect[1].animation.PlayFrom( KEYBOARD_FOCUS_ANIMATION_DURATION / 2.0f );
380 KeyboardFocusManager::Get().SetFocusIndicatorActor( mFocusEffect[0].actor );
383 void DaliTableView::ApplyCubeEffectToPages()
385 ScrollViewPagePathEffect effect = ScrollViewPagePathEffect::DownCast( mScrollViewEffect );
386 unsigned int pageCount(0);
387 for( std::vector< Actor >::iterator pageIter = mPages.begin(); pageIter != mPages.end(); ++pageIter )
389 Actor page = *pageIter;
390 effect.ApplyToPage( page, pageCount++ );
394 void DaliTableView::OnButtonsPageRelayout( const Dali::Actor& actor )
398 void DaliTableView::Populate()
400 const Vector2 stageSize = Stage::GetCurrent().GetSize();
402 mTotalPages = ( mExampleList.size() + EXAMPLES_PER_PAGE - 1 ) / EXAMPLES_PER_PAGE;
404 // Populate ScrollView.
405 if( mExampleList.size() > 0 )
407 if( mSortAlphabetically )
409 sort( mExampleList.begin(), mExampleList.end(), CompareByTitle );
412 unsigned int exampleCount = 0;
413 ExampleListConstIter iter = mExampleList.begin();
415 for( int t = 0; t < mTotalPages; t++ )
418 TableView page = TableView::New( ROWS_PER_PAGE, EXAMPLES_PER_ROW );
419 page.SetAnchorPoint( AnchorPoint::CENTER );
420 page.SetParentOrigin( ParentOrigin::CENTER );
421 page.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
422 mScrollView.Add( page );
424 // Calculate the number of images going across (columns) within a page, according to the screen resolution and dpi.
425 const float margin = 2.0f;
426 const float tileParentMultiplier = 1.0f / EXAMPLES_PER_ROW;
428 for(int row = 0; row < ROWS_PER_PAGE; row++)
430 for(int column = 0; column < EXAMPLES_PER_ROW; column++)
432 const Example& example = ( *iter );
434 // Calculate the tiles relative position on the page (between 0 & 1 in each dimension).
435 Vector2 position( static_cast<float>( column ) / ( EXAMPLES_PER_ROW - 1.0f ), static_cast<float>( row ) / ( EXAMPLES_PER_ROW - 1.0f ) );
436 Actor tile = CreateTile( example.name, example.title, Vector3( tileParentMultiplier, tileParentMultiplier, 1.0f ), position );
437 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
438 accessibilityManager.SetFocusOrder( tile, ++exampleCount );
439 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_LABEL,
441 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_TRAIT, "Tile" );
442 accessibilityManager.SetAccessibilityAttribute( tile, Dali::Toolkit::AccessibilityManager::ACCESSIBILITY_HINT,
443 "You can run this example" );
445 tile.SetPadding( Padding( margin, margin, margin, margin ) );
446 page.AddChild( tile, TableView::CellPosition( row, column ) );
450 if( iter == mExampleList.end() )
456 if( iter == mExampleList.end() )
462 mPages.push_back( page );
464 if( iter == mExampleList.end() )
471 // Update Ruler info.
472 mScrollRulerX = new FixedRuler( mPageWidth );
473 mScrollRulerY = new DefaultRuler();
474 mScrollRulerX->SetDomain( RulerDomain( 0.0f, (mTotalPages+1) * stageSize.width * TABLE_RELATIVE_SIZE.x * 0.5f, true ) );
475 mScrollRulerY->Disable();
476 mScrollView.SetRulerX( mScrollRulerX );
477 mScrollView.SetRulerY( mScrollRulerY );
480 void DaliTableView::Rotate( unsigned int degrees )
482 // Resize the root actor
483 Vector2 stageSize = Stage::GetCurrent().GetSize();
484 Vector3 targetSize( stageSize.x, stageSize.y, 1.0f );
486 if( degrees == 90 || degrees == 270 )
488 targetSize = Vector3( stageSize.y, stageSize.x, 1.0f );
491 if( mRotateAnimation )
493 mRotateAnimation.Stop();
494 mRotateAnimation.Clear();
497 mRotateAnimation = Animation::New( ROTATE_ANIMATION_TIME );
498 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 - degrees ) ), Vector3::ZAXIS ), AlphaFunction::EASE_OUT );
499 mRotateAnimation.AnimateTo( Property( mRootActor, Actor::Property::SIZE ), targetSize, AlphaFunction::EASE_OUT );
500 mRotateAnimation.Play();
503 Actor DaliTableView::CreateTile( const std::string& name, const std::string& title, const Dali::Vector3& sizeMultiplier, Vector2& position )
505 Actor focusableTile = Actor::New();
506 focusableTile.SetParentOrigin( ParentOrigin::CENTER );
507 focusableTile.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
508 focusableTile.SetSizeModeFactor( sizeMultiplier );
509 focusableTile.SetName( name );
511 // Set the tile to be keyboard focusable
512 focusableTile.SetKeyboardFocusable( true );
514 Toolkit::ImageView tileContent = ImageView::New();
515 tileContent.SetParentOrigin( ParentOrigin::CENTER );
516 tileContent.SetAnchorPoint( AnchorPoint::CENTER );
517 tileContent.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
519 // Register a property with the ImageView. This allows us to inject the scroll-view position into the shader.
520 Property::Value value = Vector3( 0.0f, 0.0f, 0.0f );
521 Property::Index propertyIndex = tileContent.RegisterProperty( "uCustomPosition", value );
523 // Add a shader to the image (details in shader source).
524 Property::Map customShader;
525 customShader[ Visual::Shader::Property::FRAGMENT_SHADER ] = FRAGMENT_SHADER_TEXTURED;
527 // Set the Image URL and the custom shader
528 Property::Map imageMap;
529 imageMap.Add( ImageVisual::Property::URL, TILE_BACKGROUND_ALPHA );
530 imageMap.Add( Visual::Property::SHADER, customShader );
531 tileContent.SetProperty( Toolkit::ImageView::Property::IMAGE, imageMap );
533 tileContent.SetColor( TILE_COLOR );
535 // We create a constraint to perform a precalculation on the scroll-view X offset
536 // and pass it to the shader uniform, along with the tile's position.
537 Constraint shaderPosition = Constraint::New < Vector3 > ( tileContent, propertyIndex, TileShaderPositionConstraint( mPageWidth, position.x ) );
538 shaderPosition.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
539 shaderPosition.SetRemoveAction( Constraint::Discard );
540 shaderPosition.Apply();
541 focusableTile.Add( tileContent );
543 // Create an ImageView for the 9-patch border around the tile.
544 ImageView borderImage = ImageView::New( TILE_BACKGROUND );
545 borderImage.SetAnchorPoint( AnchorPoint::CENTER );
546 borderImage.SetParentOrigin( ParentOrigin::CENTER );
547 borderImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
548 borderImage.SetOpacity( 0.8f );
549 tileContent.Add( borderImage );
551 TextLabel label = TextLabel::New();
552 label.SetAnchorPoint( AnchorPoint::CENTER );
553 label.SetParentOrigin( ParentOrigin::CENTER );
554 label.SetStyleName( "LauncherLabel" );
555 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
556 label.SetProperty( TextLabel::Property::TEXT, title );
557 label.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
558 label.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
559 label.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
561 // Pad around the label as its size is the same as the 9-patch border. It will overlap it without padding.
562 label.SetPadding( Padding( TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING, TILE_LABEL_PADDING ) );
563 focusableTile.Add( label );
565 // Connect to the touch events
566 focusableTile.TouchSignal().Connect( this, &DaliTableView::OnTilePressed );
567 focusableTile.HoveredSignal().Connect( this, &DaliTableView::OnTileHovered );
569 return focusableTile;
572 bool DaliTableView::OnTilePressed( Actor actor, const TouchData& event )
574 return DoTilePress( actor, event.GetState( 0 ) );
577 bool DaliTableView::DoTilePress( Actor actor, PointState::Type pointState )
579 bool consumed = false;
581 if( PointState::DOWN == pointState )
583 mPressedActor = actor;
587 // A button press is only valid if the Down & Up events
588 // both occurred within the button.
589 if( ( PointState::UP == pointState ) &&
590 ( mPressedActor == actor ) )
592 // ignore Example button presses when scrolling or button animating.
593 if( ( !mScrolling ) && ( !mPressedAnimation ) )
595 std::string name = actor.GetName();
596 const ExampleListIter end = mExampleList.end();
597 for( ExampleListIter iter = mExampleList.begin(); iter != end; ++iter )
599 if( (*iter).name == name )
601 // do nothing, until pressed animation finished.
610 mPressedAnimation = Animation::New( BUTTON_PRESS_ANIMATION_TIME );
611 mPressedAnimation.SetEndAction( Animation::Discard );
613 // scale the content actor within the Tile, as to not affect the placement within the Table.
614 Actor content = actor.GetChildAt(0);
615 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3( 0.7f, 0.7f, 1.0f ), AlphaFunction::EASE_IN_OUT,
616 TimePeriod( 0.0f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
617 mPressedAnimation.AnimateTo( Property( content, Actor::Property::SCALE ), Vector3::ONE, AlphaFunction::EASE_IN_OUT,
618 TimePeriod( BUTTON_PRESS_ANIMATION_TIME * 0.5f, BUTTON_PRESS_ANIMATION_TIME * 0.5f ) );
620 // Rotate button on the Y axis when pressed.
621 mPressedAnimation.AnimateBy( Property( content, Actor::Property::ORIENTATION ), Quaternion( Degree( 0.0f ), Degree( 180.0f ), Degree( 0.0f ) ) );
623 mPressedAnimation.Play();
624 mPressedAnimation.FinishedSignal().Connect( this, &DaliTableView::OnPressedAnimationFinished );
630 void DaliTableView::OnPressedAnimationFinished( Dali::Animation& source )
632 mPressedAnimation.Reset();
635 std::string name = mPressedActor.GetName();
637 std::stringstream stream;
638 stream << DEMO_EXAMPLE_BIN << name.c_str();
642 execlp( stream.str().c_str(), name.c_str(), NULL );
643 DALI_ASSERT_ALWAYS(false && "exec failed!");
645 mPressedActor.Reset();
649 void DaliTableView::OnScrollStart( const Dali::Vector2& position )
656 void DaliTableView::OnScrollComplete( const Dali::Vector2& position )
660 // move focus to 1st item of new page
661 AccessibilityManager accessibilityManager = AccessibilityManager::Get();
662 accessibilityManager.SetCurrentFocusActor(mPages[mScrollView.GetCurrentPage()].GetChildAt(0) );
665 bool DaliTableView::OnScrollTouched( Actor actor, const TouchData& event )
667 if( PointState::DOWN == event.GetState( 0 ) )
669 mPressedActor = actor;
675 void DaliTableView::ApplyScrollViewEffect()
677 // Remove old effect if exists.
679 if( mScrollViewEffect )
681 mScrollView.RemoveEffect( mScrollViewEffect );
684 // Just one effect for now
685 SetupInnerPageCubeEffect();
687 mScrollView.ApplyEffect( mScrollViewEffect );
690 void DaliTableView::SetupInnerPageCubeEffect()
692 const Vector2 stageSize = Stage::GetCurrent().GetSize();
694 Dali::Path path = Dali::Path::New();
695 Dali::Property::Array points;
697 points[0] = Vector3( stageSize.x*0.5, 0.0f, stageSize.x*0.5f);
698 points[1] = Vector3( 0.0f, 0.0f, 0.0f );
699 points[2] = Vector3( -stageSize.x*0.5f, 0.0f, stageSize.x*0.5f);
700 path.SetProperty( Path::Property::POINTS, points );
702 Dali::Property::Array controlPoints;
703 controlPoints.Resize(4);
704 controlPoints[0] = Vector3( stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
705 controlPoints[1] = Vector3( stageSize.x*0.3f, 0.0f, 0.0f );
706 controlPoints[2] = Vector3(-stageSize.x*0.3f, 0.0f, 0.0f );
707 controlPoints[3] = Vector3(-stageSize.x*0.5f, 0.0f, stageSize.x*0.3f );
708 path.SetProperty( Path::Property::CONTROL_POINTS, controlPoints );
711 mScrollViewEffect = ScrollViewPagePathEffect::New(path,
712 Vector3(-1.0f,0.0f,0.0f),
713 Toolkit::ScrollView::Property::SCROLL_FINAL_X,
714 Vector3(stageSize.x*TABLE_RELATIVE_SIZE.x,stageSize.y*TABLE_RELATIVE_SIZE.y,0.0f),mTotalPages);
717 void DaliTableView::OnKeyEvent( const KeyEvent& event )
719 if( event.state == KeyEvent::Down )
721 if ( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
723 // If there's a Popup, Hide it if it's contributing to the display in any way (EG. transitioning in or out).
725 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() != Toolkit::Popup::HIDDEN ) )
727 mVersionPopup.SetDisplayState( Popup::HIDDEN );
737 void DaliTableView::SetupBackground( Actor bubbleContainer )
739 // Add bubbles to the bubbleContainer.
740 // Note: The bubbleContainer is parented externally to this function.
741 AddBackgroundActors( bubbleContainer, NUM_BACKGROUND_IMAGES );
744 void DaliTableView::InitialiseBackgroundActors( Actor actor )
746 // Delete current animations
747 mBackgroundAnimations.clear();
749 // Create new animations
750 const Vector3 size = actor.GetTargetSize();
752 for( unsigned int i = 0, childCount = actor.GetChildCount(); i < childCount; ++i )
754 Actor child = actor.GetChildAt( i );
756 // Calculate a random position
757 Vector3 childPos( Random::Range( -size.x * 0.5f * BACKGROUND_SPREAD_SCALE, size.x * 0.85f * BACKGROUND_SPREAD_SCALE ),
758 Random::Range( -size.y, size.y ),
759 Random::Range( BUBBLE_MIN_Z, BUBBLE_MAX_Z ) );
761 child.SetPosition( childPos );
763 // Define bubble horizontal parallax and vertical wrapping
764 Constraint animConstraint = Constraint::New < Vector3 > ( child, Actor::Property::POSITION, AnimateBubbleConstraint( childPos, Random::Range( -0.85f, 0.25f ) ) );
765 animConstraint.AddSource( Source( mScrollView, ScrollView::Property::SCROLL_POSITION ) );
766 animConstraint.AddSource( Dali::ParentSource( Dali::Actor::Property::SIZE ) );
767 animConstraint.AddSource( Dali::LocalSource( Dali::Actor::Property::SIZE ) );
768 animConstraint.SetRemoveAction( Constraint::Discard );
769 animConstraint.Apply();
772 Animation animation = Animation::New( Random::Range( 30.0f, 160.0f ) );
773 animation.AnimateBy( Property( child, Actor::Property::POSITION ), Vector3( 0.0f, -2000.0f, 0.0f ), AlphaFunction::LINEAR );
774 animation.SetLooping( true );
776 mBackgroundAnimations.push_back( animation );
780 void DaliTableView::AddBackgroundActors( Actor layer, int count )
782 for( int i = 0; i < count; ++i )
784 float randSize = Random::Range( 10.0f, 400.0f );
785 int shapeType = static_cast<int>( Random::Range( 0.0f, NUMBER_OF_SHAPE_IMAGES - 1 ) + 0.5f );
787 ImageView dfActor = ImageView::New();
788 dfActor.SetSize( Vector2( randSize, randSize ) );
789 dfActor.SetParentOrigin( ParentOrigin::CENTER );
791 // Set the Image URL and the custom shader at the same time
792 Dali::Property::Map effect = Toolkit::CreateDistanceFieldEffect();
793 Property::Map imageMap;
794 imageMap.Add( ImageVisual::Property::URL, SHAPE_IMAGE_TABLE[ shapeType ] );
795 imageMap.Add( Visual::Property::SHADER, effect );
796 dfActor.SetProperty( Toolkit::ImageView::Property::IMAGE, imageMap );
798 dfActor.SetColor( BUBBLE_COLOR[ i%NUMBER_OF_BUBBLE_COLOR ] );
800 layer.Add( dfActor );
803 // Positioning will occur when the layer is relaid out
804 layer.OnRelayoutSignal().Connect( this, &DaliTableView::InitialiseBackgroundActors );
807 bool DaliTableView::PauseBackgroundAnimation()
814 void DaliTableView::PauseAnimation()
816 if( mBackgroundAnimsPlaying )
818 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
820 Animation anim = *animIter;
825 mBackgroundAnimsPlaying = false;
829 void DaliTableView::PlayAnimation()
831 if ( !mBackgroundAnimsPlaying )
833 for( AnimationListIter animIter = mBackgroundAnimations.begin(); animIter != mBackgroundAnimations.end(); ++animIter )
835 Animation anim = *animIter;
840 mBackgroundAnimsPlaying = true;
843 mAnimationTimer.SetInterval( BACKGROUND_ANIMATION_DURATION );
846 Dali::Actor DaliTableView::OnKeyboardPreFocusChange( Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction )
848 Actor nextFocusActor = proposed;
850 if( !current && !proposed )
852 // Set the initial focus to the first tile in the current page should be focused.
853 nextFocusActor = mPages[mScrollView.GetCurrentPage()].GetChildAt(0);
857 // ScrollView is being focused but nothing in the current page can be focused further
858 // in the given direction. We should work out which page to scroll to next.
859 int currentPage = mScrollView.GetCurrentPage();
860 int newPage = currentPage;
861 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
865 else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
870 newPage = std::max(0, std::min(mTotalPages - 1, newPage));
871 if( newPage == currentPage )
873 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
875 newPage = mTotalPages - 1;
876 } else if( direction == Dali::Toolkit::Control::KeyboardFocus::RIGHT )
882 // Scroll to the page in the given direction
883 mScrollView.ScrollTo(newPage);
885 if( direction == Dali::Toolkit::Control::KeyboardFocus::LEFT )
887 // Work out the cell position for the last tile
888 int remainingExamples = mExampleList.size() - newPage * EXAMPLES_PER_PAGE;
889 int rowPos = (remainingExamples >= EXAMPLES_PER_PAGE) ? ROWS_PER_PAGE - 1 : ( (remainingExamples % EXAMPLES_PER_PAGE + EXAMPLES_PER_ROW) / EXAMPLES_PER_ROW - 1 );
890 int colPos = remainingExamples >= EXAMPLES_PER_PAGE ? EXAMPLES_PER_ROW - 1 : ( remainingExamples % EXAMPLES_PER_PAGE - rowPos * EXAMPLES_PER_ROW - 1 );
892 // Move the focus to the last tile in the new page.
893 nextFocusActor = mPages[newPage].GetChildAt(rowPos * EXAMPLES_PER_ROW + colPos);
897 // Move the focus to the first tile in the new page.
898 nextFocusActor = mPages[newPage].GetChildAt(0);
902 return nextFocusActor;
905 void DaliTableView::OnFocusedActorActivated( Dali::Actor activatedActor )
909 mPressedActor = activatedActor;
911 // Activate the current focused actor;
912 DoTilePress( mPressedActor, PointState::UP );
916 bool DaliTableView::OnTileHovered( Actor actor, const HoverEvent& event )
918 KeyboardFocusManager::Get().SetCurrentFocusActor( actor );
922 void DaliTableView::OnLogoTapped( Dali::Actor actor, const Dali::TapGesture& tap )
924 // Only show if currently fully hidden. If transitioning-out, the transition will not be interrupted.
925 if ( !mVersionPopup || ( mVersionPopup.GetDisplayState() == Toolkit::Popup::HIDDEN ) )
927 if ( !mVersionPopup )
929 std::ostringstream stream;
930 stream << "DALi Core: " << CORE_MAJOR_VERSION << "." << CORE_MINOR_VERSION << "." << CORE_MICRO_VERSION << std::endl << "(" << CORE_BUILD_DATE << ")\n";
931 stream << "DALi Adaptor: " << ADAPTOR_MAJOR_VERSION << "." << ADAPTOR_MINOR_VERSION << "." << ADAPTOR_MICRO_VERSION << std::endl << "(" << ADAPTOR_BUILD_DATE << ")\n";
932 stream << "DALi Toolkit: " << TOOLKIT_MAJOR_VERSION << "." << TOOLKIT_MINOR_VERSION << "." << TOOLKIT_MICRO_VERSION << std::endl << "(" << TOOLKIT_BUILD_DATE << ")\n";
934 mVersionPopup = Dali::Toolkit::Popup::New();
936 Toolkit::TextLabel titleActor = Toolkit::TextLabel::New( "Version information" );
937 titleActor.SetName( "titleActor" );
938 titleActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
940 Toolkit::TextLabel contentActor = Toolkit::TextLabel::New( stream.str() );
941 contentActor.SetName( "contentActor" );
942 contentActor.SetProperty( Toolkit::TextLabel::Property::MULTI_LINE, true );
943 contentActor.SetProperty( Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
944 contentActor.SetPadding( Padding( 0.0f, 0.0f, 20.0f, 0.0f ) );
946 mVersionPopup.SetTitle( titleActor );
947 mVersionPopup.SetContent( contentActor );
949 mVersionPopup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::WIDTH );
950 mVersionPopup.SetSizeModeFactor( Vector3( 0.75f, 1.0f, 1.0f ) );
951 mVersionPopup.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
953 mVersionPopup.OutsideTouchedSignal().Connect( this, &DaliTableView::HideVersionPopup );
954 Stage::GetCurrent().Add( mVersionPopup );
957 mVersionPopup.SetDisplayState( Popup::SHOWN );
961 void DaliTableView::HideVersionPopup()
963 // Only hide if currently fully shown. If transitioning-in, the transition will not be interrupted.
964 if ( mVersionPopup && ( mVersionPopup.GetDisplayState() == Toolkit::Popup::SHOWN ) )
966 mVersionPopup.SetDisplayState( Popup::HIDDEN );