examples/new-window/new-window-example.cpp

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 // EXTERNAL INCLUDES
  18 #include <dali/devel-api/rendering/renderer.h>
  19 #include <dali-toolkit/dali-toolkit.h>
  20 #include <dali-toolkit/devel-api/controls/bubble-effect/bubble-emitter.h>
  21
  22 #include <cstdio>
  23 #include <iostream>
  24
  25 // INTERNAL INCLUDES
  26 #include "shared/view.h"
  27
  28 using namespace Dali;
  29 using namespace Dali::Toolkit;
  30
  31 class NewWindowController;
  32
  33 namespace
  34 {
  35 const char * const BACKGROUND_IMAGE( DEMO_IMAGE_DIR "background-2.jpg" );
  36 const char * const TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
  37 const char * const LOSE_CONTEXT_IMAGE( DEMO_IMAGE_DIR "icon-cluster-wobble.png" );
  38 const char * const LOSE_CONTEXT_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-cluster-wobble-selected.png" );
  39 const char * const BASE_IMAGE( DEMO_IMAGE_DIR "gallery-large-14.jpg" );
  40 const char * const EFFECT_IMAGE( DEMO_IMAGE_DIR "gallery-large-18.jpg" );
  41 const char * const LOGO_IMAGE(DEMO_IMAGE_DIR "dali-logo.png");
  42
  43 const float EXPLOSION_DURATION(1.2f);
  44 const unsigned int EMIT_INTERVAL_IN_MS(40);
  45 const float TRACK_DURATION_IN_MS(970);
  46
  47 Application gApplication;
  48 NewWindowController* gNewWindowController(NULL);
  49
  50 #define MAKE_SHADER(A)#A
  51
  52 const char* VERTEX_COLOR_MESH = MAKE_SHADER(
  53 attribute mediump vec3  aPosition;\n
  54 attribute lowp    vec3  aColor;\n
  55 uniform   mediump mat4  uMvpMatrix;\n
  56 uniform   mediump vec3  uSize;\n
  57 varying   lowp    vec3  vColor;\n
  58 \n
  59 void main()\n
  60 {\n
  61   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  62   vColor = aColor;\n
  63 }\n
  64 );
  65
  66 const char* FRAGMENT_COLOR_MESH = MAKE_SHADER(
  67 uniform lowp vec4  uColor;\n
  68 varying lowp vec3  vColor;\n
  69 \n
  70 void main()\n
  71 {\n
  72   gl_FragColor = vec4(vColor,1.0)*uColor;
  73 }\n
  74 );
  75
  76 const char* VERTEX_TEXTURE_MESH = MAKE_SHADER(
  77 attribute mediump vec3  aPosition;\n
  78 attribute highp   vec2  aTexCoord;\n
  79 uniform   mediump mat4  uMvpMatrix;\n
  80 uniform   mediump vec3  uSize;\n
  81 varying   mediump vec2  vTexCoord;\n
  82 \n
  83 void main()\n
  84 {\n
  85   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  86   vTexCoord = aTexCoord;\n
  87 }\n
  88 );
  89
  90 const char* FRAGMENT_TEXTURE_MESH = MAKE_SHADER(
  91 varying mediump vec2  vTexCoord;\n
  92 uniform lowp    vec4  uColor;\n
  93 uniform sampler2D     sTexture;\n
  94 \n
  95 void main()\n
  96 {\n
  97   gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;
  98 }\n
  99 );
 100
 101 const char* FRAGMENT_BLEND_SHADER = MAKE_SHADER(
 102 varying mediump vec2  vTexCoord;\n
 103 uniform sampler2D sTexture;\n
 104 uniform sampler2D sEffect;\n
 105 uniform mediump float alpha;\n
 106 \n
 107 void main()\n
 108 {\n
 109   mediump vec4 fragColor = texture2D(sTexture, vTexCoord);\n
 110   mediump vec4 fxColor   = texture2D(sEffect, vTexCoord);\n
 111   gl_FragColor = mix(fragColor,fxColor, alpha);\n
 112 }\n
 113 );
 114
 115 }; // anonymous namespace
 116
 117
 118 class NewWindowController : public ConnectionTracker
 119 {
 120 public:
 121   NewWindowController( Application& app );
 122   void Create( Application& app );
 123   void Destroy( Application& app );
 124
 125   void AddBubbles( Actor& parentActor, const Vector2& stageSize);
 126   void AddMeshActor( Actor& parentActor );
 127   void AddBlendingImageActor( Actor& parentActor );
 128   void AddTextLabel( Actor& parentActor );
 129
 130   ImageView CreateBlurredMirrorImage(const char* imageName);
 131   FrameBufferImage CreateFrameBufferForImage( const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta );
 132   void SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction );
 133   Geometry CreateMeshGeometry();
 134   Dali::Property::Map CreateColorModifierer();
 135
 136   static void NewWindow(void);
 137
 138   bool OnTrackTimerTick();
 139   void OnKeyEvent(const KeyEvent& event);
 140   bool OnLoseContextButtonClicked( Toolkit::Button button );
 141   void OnContextLost();
 142   void OnContextRegained();
 143
 144 private:
 145   Application                mApplication;
 146   TextLabel                  mTextActor;
 147
 148   Toolkit::Control           mView;                              ///< The View instance.
 149   Toolkit::ToolBar           mToolBar;                           ///< The View's Toolbar.
 150   TextLabel                  mTitleActor;                        ///< The Toolbar's Title.
 151   Layer                      mContentLayer;                      ///< Content layer (scrolling cluster content)
 152   Toolkit::PushButton        mLoseContextButton;
 153
 154   Toolkit::BubbleEmitter     mEmitter;
 155   Timer                      mEmitTrackTimer;
 156   bool                       mNeedNewAnimation;
 157   unsigned int               mAnimateComponentCount;
 158   Animation                  mEmitAnimation;
 159 };
 160
 161
 162 NewWindowController::NewWindowController( Application& application )
 163 : mApplication(application),
 164   mNeedNewAnimation(true)
 165 {
 166   mApplication.InitSignal().Connect(this, &NewWindowController::Create);
 167   mApplication.TerminateSignal().Connect(this, &NewWindowController::Destroy);
 168 }
 169
 170 void NewWindowController::Create( Application& app )
 171 {
 172   Stage stage = Stage::GetCurrent();
 173   stage.SetBackgroundColor(Color::YELLOW);
 174
 175   stage.KeyEventSignal().Connect(this, &NewWindowController::OnKeyEvent);
 176
 177   // The Init signal is received once (only) during the Application lifetime
 178
 179   // Hide the indicator bar
 180   mApplication.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 181
 182   mContentLayer = DemoHelper::CreateView( app,
 183                                           mView,
 184                                           mToolBar,
 185                                           "",
 186                                           TOOLBAR_IMAGE,
 187                                           "Context recovery" );
 188
 189   Size stageSize = stage.GetSize();
 190   Image backgroundImage = ResourceImage::New( BACKGROUND_IMAGE, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
 191   ImageView backgroundActor = ImageView::New( backgroundImage );
 192   backgroundActor.SetParentOrigin( ParentOrigin::CENTER );
 193   mContentLayer.Add(backgroundActor);
 194
 195   // Point the default render task at the view
 196   RenderTaskList taskList = stage.GetRenderTaskList();
 197   RenderTask defaultTask = taskList.GetTask( 0u );
 198   if ( defaultTask )
 199   {
 200     defaultTask.SetSourceActor( mView );
 201   }
 202
 203   mLoseContextButton = Toolkit::PushButton::New();
 204   mLoseContextButton.SetUnselectedImage( LOSE_CONTEXT_IMAGE );
 205   mLoseContextButton.SetSelectedImage( LOSE_CONTEXT_IMAGE_SELECTED );
 206   mLoseContextButton.ClickedSignal().Connect( this, &NewWindowController::OnLoseContextButtonClicked );
 207   mToolBar.AddControl( mLoseContextButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
 208
 209   Actor logoLayoutActor = Actor::New();
 210   logoLayoutActor.SetParentOrigin(ParentOrigin::CENTER);
 211   logoLayoutActor.SetPosition(0.0f, -200.0f, 0.0f);
 212   logoLayoutActor.SetScale(0.5f);
 213   backgroundActor.Add(logoLayoutActor);
 214
 215   Image image = ResourceImage::New(LOGO_IMAGE);
 216   ImageView imageView = ImageView::New(image);
 217   imageView.SetName("daliLogo");
 218   imageView.SetParentOrigin(ParentOrigin::CENTER);
 219   imageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 220   logoLayoutActor.Add(imageView);
 221
 222   ImageView mirrorImageView = CreateBlurredMirrorImage(LOGO_IMAGE);
 223   mirrorImageView.SetParentOrigin(ParentOrigin::CENTER);
 224   mirrorImageView.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 225   logoLayoutActor.Add(mirrorImageView);
 226
 227   AddBubbles( backgroundActor, stage.GetSize());
 228   AddMeshActor( backgroundActor );
 229   AddBlendingImageActor( backgroundActor );
 230   AddTextLabel( backgroundActor );
 231
 232   stage.ContextLostSignal().Connect(this, &NewWindowController::OnContextLost);
 233   stage.ContextRegainedSignal().Connect(this, &NewWindowController::OnContextRegained);
 234 }
 235
 236 void NewWindowController::Destroy( Application& app )
 237 {
 238   UnparentAndReset(mTextActor);
 239 }
 240
 241 void NewWindowController::AddBubbles( Actor& parentActor, const Vector2& stageSize)
 242 {
 243   mEmitter = Toolkit::BubbleEmitter::New( stageSize,
 244                                           ResourceImage::New( DEMO_IMAGE_DIR "bubble-ball.png" ),
 245                                           200, Vector2( 5.0f, 5.0f ) );
 246
 247   Image background = ResourceImage::New(BACKGROUND_IMAGE);
 248   mEmitter.SetBackground( background, Vector3(0.5f, 0.f,0.5f) );
 249   mEmitter.SetBubbleDensity( 9.f );
 250   Actor bubbleRoot = mEmitter.GetRootActor();
 251   parentActor.Add( bubbleRoot );
 252   bubbleRoot.SetParentOrigin(ParentOrigin::CENTER);
 253   bubbleRoot.SetZ(0.1f);
 254
 255   mEmitTrackTimer = Timer::New( EMIT_INTERVAL_IN_MS );
 256   mEmitTrackTimer.TickSignal().Connect(this, &NewWindowController::OnTrackTimerTick);
 257   mEmitTrackTimer.Start();
 258 }
 259
 260 void NewWindowController::AddMeshActor( Actor& parentActor )
 261 {
 262   Geometry meshGeometry = CreateMeshGeometry();
 263
 264   // Create a coloured mesh
 265   Shader shaderColorMesh = Shader::New( VERTEX_COLOR_MESH, FRAGMENT_COLOR_MESH );
 266   Renderer colorMeshRenderer = Renderer::New( meshGeometry, shaderColorMesh );
 267
 268   Actor colorMeshActor = Actor::New();
 269   colorMeshActor.AddRenderer( colorMeshRenderer );
 270   colorMeshActor.SetSize( 175.f,175.f, 175.f );
 271   colorMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 272   colorMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 273   colorMeshActor.SetPosition(Vector3(0.0f, 50.0f, 0.0f));
 274   colorMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 275   colorMeshActor.SetName("ColorMeshActor");
 276
 277  // Create a textured mesh
 278   Image effectImage = ResourceImage::New(EFFECT_IMAGE);
 279   Shader shaderTextureMesh = Shader::New( VERTEX_TEXTURE_MESH, FRAGMENT_TEXTURE_MESH );
 280   TextureSet textureSet = TextureSet::New();
 281   textureSet.SetImage( 0u, effectImage );
 282   Renderer textureMeshRenderer = Renderer::New( meshGeometry, shaderTextureMesh );
 283   textureMeshRenderer.SetTextures( textureSet );
 284
 285   Actor textureMeshActor = Actor::New();
 286   textureMeshActor.AddRenderer( textureMeshRenderer );
 287   textureMeshActor.SetSize( 175.f,175.f, 175.f );
 288   textureMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 289   textureMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 290   textureMeshActor.SetPosition(Vector3(0.0f, 200.0f, 0.0f));
 291   textureMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 292   textureMeshActor.SetName("TextureMeshActor");
 293
 294   Layer layer3d = Layer::New();
 295   layer3d.SetParentOrigin( ParentOrigin::CENTER );
 296   layer3d.SetAnchorPoint( AnchorPoint::CENTER );
 297   layer3d.SetBehavior(Layer::LAYER_3D);
 298
 299   layer3d.Add( colorMeshActor );
 300   layer3d.Add( textureMeshActor );
 301   parentActor.Add(layer3d);
 302 }
 303
 304 void NewWindowController::AddBlendingImageActor( Actor& parentActor )
 305 {
 306   Property::Map colorModifier = CreateColorModifierer();
 307
 308   FrameBufferImage fb2 = CreateFrameBufferForImage( EFFECT_IMAGE, colorModifier, Vector3( 0.5f, 0.5f, 0.5f ) );
 309
 310   ImageView tmpActor = ImageView::New(fb2);
 311   parentActor.Add(tmpActor);
 312   tmpActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 313   tmpActor.SetAnchorPoint(AnchorPoint::TOP_RIGHT);
 314   tmpActor.SetPosition(Vector3(0.0f, 150.0f, 0.0f));
 315   tmpActor.SetScale(0.25f);
 316
 317   // create blending shader effect
 318   Property::Map customShader;
 319   customShader[ "fragmentShader" ] = FRAGMENT_BLEND_SHADER;
 320   Property::Map map;
 321   map[ "shader" ] = customShader;
 322
 323   Image baseImage = ResourceImage::New(BASE_IMAGE);
 324   ImageView blendActor = ImageView::New( baseImage );
 325   blendActor.SetProperty( ImageView::Property::IMAGE, map );
 326   blendActor.RegisterProperty( "alpha", 0.5f );
 327
 328   blendActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 329   blendActor.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
 330   blendActor.SetPosition(Vector3(0.0f, 100.0f, 0.0f));
 331   blendActor.SetSize(140, 140);
 332   parentActor.Add(blendActor);
 333
 334   blendActor.GetRendererAt(0u).GetTextures().SetImage( 1u, fb2 );
 335 }
 336
 337 void NewWindowController::AddTextLabel( Actor& parentActor )
 338 {
 339   mTextActor = TextLabel::New("Some text");
 340   mTextActor.SetParentOrigin(ParentOrigin::CENTER);
 341   mTextActor.SetColor(Color::RED);
 342   mTextActor.SetName("PushMe text");
 343   parentActor.Add( mTextActor );
 344 }
 345
 346 ImageView NewWindowController::CreateBlurredMirrorImage(const char* imageName)
 347 {
 348   Image image = ResourceImage::New(imageName);
 349
 350   Uint16Pair intFboSize = ResourceImage::GetImageSize(imageName);
 351   Vector2 FBOSize = Vector2( intFboSize.GetWidth(), intFboSize.GetHeight() );
 352   FrameBufferImage fbo = FrameBufferImage::New( FBOSize.width, FBOSize.height, Pixel::RGBA8888);
 353
 354   GaussianBlurView gbv = GaussianBlurView::New(5, 2.0f, Pixel::RGBA8888, 0.5f, 0.5f, true);
 355   gbv.SetBackgroundColor(Color::TRANSPARENT);
 356   gbv.SetUserImageAndOutputRenderTarget( image, fbo );
 357   gbv.SetSize(FBOSize);
 358   Stage::GetCurrent().Add(gbv);
 359   gbv.ActivateOnce();
 360
 361   ImageView blurredActor = ImageView::New(fbo);
 362   blurredActor.SetSize(FBOSize);
 363   blurredActor.SetScale(1.0f, -1.0f, 1.0f);
 364   return blurredActor;
 365 }
 366
 367 FrameBufferImage NewWindowController::CreateFrameBufferForImage(const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta )
 368 {
 369   Stage stage = Stage::GetCurrent();
 370   Uint16Pair intFboSize = ResourceImage::GetImageSize( imageName );
 371   Vector2 FBOSize = Vector2(intFboSize.GetWidth(), intFboSize.GetHeight());
 372
 373   FrameBufferImage framebuffer = FrameBufferImage::New(FBOSize.x, FBOSize.y );
 374
 375   RenderTask renderTask = stage.GetRenderTaskList().CreateTask();
 376
 377   ImageView imageView = ImageView::New( imageName );
 378   imageView.SetName("Source image actor");
 379   imageView.SetProperty( ImageView::Property::IMAGE, shaderEffect );
 380   imageView.RegisterProperty( "uRGBDelta", rgbDelta );
 381
 382   imageView.SetParentOrigin(ParentOrigin::CENTER);
 383   imageView.SetAnchorPoint(AnchorPoint::CENTER);
 384   imageView.SetScale(1.0f, -1.0f, 1.0f);
 385   stage.Add(imageView); // Not in default image view
 386
 387   CameraActor cameraActor = CameraActor::New(FBOSize);
 388   cameraActor.SetParentOrigin(ParentOrigin::CENTER);
 389   cameraActor.SetFieldOfView(Math::PI*0.25f);
 390   cameraActor.SetNearClippingPlane(1.0f);
 391   cameraActor.SetAspectRatio(FBOSize.width / FBOSize.height);
 392   cameraActor.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
 393   cameraActor.SetPosition(0.0f, 0.0f, ((FBOSize.height * 0.5f) / tanf(Math::PI * 0.125f)));
 394   stage.Add(cameraActor);
 395
 396   renderTask.SetSourceActor(imageView);
 397   renderTask.SetInputEnabled(false);
 398   renderTask.SetTargetFrameBuffer(framebuffer);
 399   renderTask.SetCameraActor( cameraActor );
 400   renderTask.SetClearColor( Color::TRANSPARENT );
 401   renderTask.SetClearEnabled( true );
 402   renderTask.SetRefreshRate(RenderTask::REFRESH_ONCE);
 403
 404   return framebuffer;
 405 }
 406
 407 void NewWindowController::SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction)
 408 {
 409   if( mNeedNewAnimation )
 410   {
 411     float duration = Random::Range(1.f, 1.5f);
 412     mEmitAnimation = Animation::New( duration );
 413     mNeedNewAnimation = false;
 414     mAnimateComponentCount = 0;
 415   }
 416
 417   mEmitter.EmitBubble( mEmitAnimation, emitPosition, direction, Vector2(10,10) );
 418
 419   mAnimateComponentCount++;
 420
 421   if( mAnimateComponentCount % 6 ==0 )
 422   {
 423     mEmitAnimation.Play();
 424     mNeedNewAnimation = true;
 425   }
 426 }
 427
 428 Geometry NewWindowController::CreateMeshGeometry()
 429 {
 430   // Create vertices and specify their color
 431   struct Vertex
 432   {
 433     Vector3 position;
 434     Vector2 textureCoordinates;
 435     Vector3 color;
 436   };
 437
 438   Vertex vertexData[5] = {
 439     { Vector3(  0.0f,  0.0f, 0.5f ), Vector2(0.5f, 0.5f), Vector3(1.0f, 1.0f, 1.0f) },
 440     { Vector3( -0.5f, -0.5f, 0.0f ), Vector2(0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f) },
 441     { Vector3(  0.5f, -0.5f, 0.0f ), Vector2(1.0f, 0.0f), Vector3(1.0f, 1.0f, 0.0f) },
 442     { Vector3( -0.5f,  0.5f, 0.0f ), Vector2(0.0f, 1.0f), Vector3(0.0f, 1.0f, 0.0f) },
 443     { Vector3(  0.5f,  0.5f, 0.0f ), Vector2(1.0f, 1.0f), Vector3(0.0f, 0.0f, 1.0f) }  };
 444
 445   Property::Map vertexFormat;
 446   vertexFormat["aPosition"] = Property::VECTOR3;
 447   vertexFormat["aTexCoord"] = Property::VECTOR2;
 448   vertexFormat["aColor"] = Property::VECTOR3;
 449   PropertyBuffer vertices = PropertyBuffer::New( vertexFormat );
 450   vertices.SetData( vertexData, 5 );
 451
 452   // Specify all the faces
 453   unsigned short indexData[12] = { 0,1,3,0,2,4,0,3,4,0,2,1 };
 454
 455   // Create the geometry object
 456   Geometry geometry = Geometry::New();
 457   geometry.AddVertexBuffer( vertices );
 458   geometry.SetIndexBuffer( &indexData[0], 12 );
 459
 460   return geometry;
 461 }
 462
 463 Dali::Property::Map NewWindowController::CreateColorModifierer()
 464 {
 465  const char* fragmentShader ( DALI_COMPOSE_SHADER (
 466    precision highp float;\n
 467    uniform vec3 uRGBDelta;\n
 468    uniform float uIgnoreAlpha;\n
 469    \n
 470    varying mediump vec2 vTexCoord;\n
 471    uniform sampler2D sTexture;\n
 472    \n
 473    float rand(vec2 co) \n
 474    {\n
 475      return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); \n}
 476    \n
 477    void main() {\n
 478      vec4 color = texture2D(sTexture, vTexCoord); \n
 479      // modify the hsv Value
 480      color.rgb += uRGBDelta * rand(vTexCoord); \n
 481      // if the new vale exceeds one, then decrease it
 482      color.rgb -= max(color.rgb*2.0 - vec3(2.0), 0.0);\n
 483      // if the new vale drops below zero, then increase it
 484      color.rgb -= min(color.rgb*2.0, 0.0);\n
 485      gl_FragColor = color; \n
 486    }\n
 487  ) );
 488
 489  Property::Map map;
 490  Property::Map customShader;
 491  customShader[ "fragmentShader" ] = fragmentShader;
 492  map[ "shader" ] = customShader;
 493
 494  return map;
 495 }
 496
 497 void NewWindowController::NewWindow(void)
 498 {
 499   PositionSize posSize(0, 0, 720, 1280);
 500   gApplication.ReplaceWindow(posSize, "NewWindow"); // Generates a new window
 501 }
 502
 503 bool NewWindowController::OnLoseContextButtonClicked( Toolkit::Button button )
 504 {
 505   // Add as an idle callback to avoid ProcessEvents being recursively called.
 506   mApplication.AddIdle( MakeCallback( NewWindowController::NewWindow ) );
 507   return true;
 508 }
 509
 510 bool NewWindowController::OnTrackTimerTick()
 511 {
 512   static int time=0;
 513   const float radius(250.0f);
 514
 515   time += EMIT_INTERVAL_IN_MS;
 516   float modTime = time / TRACK_DURATION_IN_MS;
 517   float angle = 2.0f*Math::PI*modTime;
 518
 519   Vector2 position(radius*cosf(angle), radius*-sinf(angle));
 520   Vector2 aimPos(radius*2*sinf(angle), radius*2*-cosf(angle));
 521   Vector2 direction = aimPos-position;
 522   Vector2 stageSize = Stage::GetCurrent().GetSize();
 523
 524   SetUpBubbleEmission( stageSize*0.5f+position, direction );
 525   SetUpBubbleEmission( stageSize*0.5f+position*0.75f, direction );
 526   SetUpBubbleEmission( stageSize*0.5f+position*0.7f, direction );
 527
 528   return true;
 529 }
 530
 531 void NewWindowController::OnKeyEvent(const KeyEvent& event)
 532 {
 533   if(event.state == KeyEvent::Down)
 534   {
 535     if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
 536     {
 537       mApplication.Quit();
 538     }
 539   }
 540 }
 541
 542 void NewWindowController::OnContextLost()
 543 {
 544   printf("Stage reporting context loss\n");
 545 }
 546
 547 void NewWindowController::OnContextRegained()
 548 {
 549   printf("Stage reporting context regain\n");
 550 }
 551
 552 void RunTest(Application& app)
 553 {
 554   gNewWindowController = new NewWindowController(app);
 555   app.MainLoop(Configuration::APPLICATION_DOES_NOT_HANDLE_CONTEXT_LOSS);
 556 }
 557
 558 // Entry point for Linux & Tizen applications
 559 //
 560 int DALI_EXPORT_API main(int argc, char **argv)
 561 {
 562   gApplication = Application::New(&argc, &argv, DEMO_THEME_PATH);
 563   RunTest(gApplication);
 564
 565   return 0;
 566 }