2 * Copyright (c) 2014 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.
22 #include "shared/view.h"
24 #include <dali/dali.h>
25 #include <dali-toolkit/dali-toolkit.h>
26 #include <dali-toolkit/devel-api/transition-effects/cube-transition-effect.h>
27 #include <dali-toolkit/devel-api/transition-effects/cube-transition-cross-effect.h>
28 #include <dali-toolkit/devel-api/transition-effects/cube-transition-fold-effect.h>
29 #include <dali-toolkit/devel-api/transition-effects/cube-transition-wave-effect.h>
34 using Dali::Toolkit::TextLabel;
40 const char * const TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
41 const char * const APPLICATION_TITLE_WAVE( "Cube Transition: Wave" );
42 const char * const APPLICATION_TITLE_CROSS( "Cube Transition: Cross" );
43 const char * const APPLICATION_TITLE_FOLD( "Cube Transition: Fold" );
44 const char * const EFFECT_WAVE_IMAGE( DEMO_IMAGE_DIR "icon-effect-wave.png" );
45 const char * const EFFECT_WAVE_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-effect-wave-selected.png" );
46 const char * const EFFECT_CROSS_IMAGE( DEMO_IMAGE_DIR "icon-effect-cross.png" );
47 const char * const EFFECT_CROSS_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-effect-cross-selected.png" );
48 const char * const EFFECT_FOLD_IMAGE( DEMO_IMAGE_DIR "icon-effect-fold.png" );
49 const char * const EFFECT_FOLD_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-effect-fold-selected.png" );
50 const char * const SLIDE_SHOW_START_ICON( DEMO_IMAGE_DIR "icon-play.png" );
51 const char * const SLIDE_SHOW_START_ICON_SELECTED( DEMO_IMAGE_DIR "icon-play-selected.png" );
52 const char * const SLIDE_SHOW_STOP_ICON( DEMO_IMAGE_DIR "icon-stop.png" );
53 const char * const SLIDE_SHOW_STOP_ICON_SELECTED( DEMO_IMAGE_DIR "icon-stop-selected.png" );
55 const char* IMAGES[] =
57 DEMO_IMAGE_DIR "gallery-large-1.jpg",
58 DEMO_IMAGE_DIR "gallery-large-2.jpg",
59 DEMO_IMAGE_DIR "gallery-large-3.jpg",
60 DEMO_IMAGE_DIR "gallery-large-4.jpg",
61 DEMO_IMAGE_DIR "gallery-large-5.jpg",
62 DEMO_IMAGE_DIR "gallery-large-6.jpg",
63 DEMO_IMAGE_DIR "gallery-large-7.jpg",
64 DEMO_IMAGE_DIR "gallery-large-8.jpg",
65 DEMO_IMAGE_DIR "gallery-large-9.jpg",
66 DEMO_IMAGE_DIR "gallery-large-10.jpg",
67 DEMO_IMAGE_DIR "gallery-large-11.jpg",
68 DEMO_IMAGE_DIR "gallery-large-12.jpg",
69 DEMO_IMAGE_DIR "gallery-large-13.jpg",
70 DEMO_IMAGE_DIR "gallery-large-14.jpg",
71 DEMO_IMAGE_DIR "gallery-large-15.jpg",
72 DEMO_IMAGE_DIR "gallery-large-16.jpg",
73 DEMO_IMAGE_DIR "gallery-large-17.jpg",
74 DEMO_IMAGE_DIR "gallery-large-18.jpg",
75 DEMO_IMAGE_DIR "gallery-large-19.jpg",
76 DEMO_IMAGE_DIR "gallery-large-20.jpg",
77 DEMO_IMAGE_DIR "gallery-large-21.jpg",
79 const int NUM_IMAGES( sizeof(IMAGES) / sizeof(IMAGES[0]) );
81 // the number of cubes: NUM_COLUMNS*NUM_ROWS
82 // better choose the numbers that can divide viewAreaSize.x
83 const int NUM_COLUMNS_WAVE(16);
84 const int NUM_COLUMNS_CROSS(8);
85 const int NUM_COLUMNS_FOLD(8);
86 // better choose the numbers that can divide viewAreaSize.y
87 const int NUM_ROWS_WAVE(20);
88 const int NUM_ROWS_CROSS(10);
89 const int NUM_ROWS_FOLD(10);
90 //transition effect duration
91 const float ANIMATION_DURATION_WAVE(1.5f);
92 const float ANIMATION_DURATION_CROSS(1.f);
93 const float ANIMATION_DURATION_FOLD(1.f);
94 //transition effect displacement
95 const float CUBE_DISPLACEMENT_WAVE(70.f);
96 const float CUBE_DISPLACEMENT_CROSS(30.f);
98 // The duration of the current image staying on screen when slideshow is on
99 const int VIEWINGTIME = 2000; // 2 seconds
102 * @brief Load an image, scaled-down to no more than the stage dimensions.
104 * Uses image scaling mode SCALE_TO_FILL to resize the image at
105 * load time to cover the entire stage with pixels with no borders,
106 * and filter mode BOX_THEN_LINEAR to sample the image with
109 ResourceImage LoadStageFillingImage( const char * const imagePath )
111 Size stageSize = Stage::GetCurrent().GetSize();
112 return ResourceImage::New( imagePath, ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
117 class CubeTransitionApp : public ConnectionTracker
123 * @param application class, stored as reference
125 CubeTransitionApp( Application& application );
127 ~CubeTransitionApp();
132 * This method gets called once the main loop of application is up and running
134 void OnInit( Application& application );
136 * PanGesture callback. This method gets called when the pan gesture is detected.
137 * @param[in] actor The actor receiving the pan gesture.
138 * @param[in] gesture The detected pan gesture.
140 void OnPanGesture( Actor actor, const PanGesture& gesture );
142 * Load the next image and start the transition;
144 void GoToNextImage();
146 * Callback function of image resource loading succeed
147 * Start the transition
148 * @param[in] image The image content of the imageActor for transition
150 void OnImageLoaded(ResourceImage image);
152 * Main key event handler
154 void OnKeyEvent(const KeyEvent& event);
156 * Callback function of effect-switch button
157 * Change the effect when the effect button is clicked
158 * @param[in] button The handle of the clicked button
160 bool OnEffectButtonClicked( Toolkit::Button button );
162 * Callback function of slideshow button
163 * Start or stop the automatical image display when the slideshow button is clicked
164 * @param[in] button The handle of the clicked button
166 bool OnSildeshowButtonClicked( Toolkit::Button button );
168 * Callback function of cube transition completed signal
169 * @param[in] effect The cube effect used for the transition
170 * @param[in] image The target Image of the completed transition
172 void OnTransitionCompleted(Toolkit::CubeTransitionEffect effect, Image image );
174 * Callback function of timer tick
175 * The timer is used to count the image display duration in slideshow,
180 Application& mApplication;
181 Toolkit::Control mView;
182 Toolkit::ToolBar mToolBar;
184 Toolkit::TextLabel mTitle;
188 ResourceImage mCurrentImage;
189 ResourceImage mNextImage;
191 bool mIsImageLoading;
193 PanGestureDetector mPanGestureDetector;
195 Toolkit::CubeTransitionEffect mCubeWaveEffect;
196 Toolkit::CubeTransitionEffect mCubeCrossEffect;
197 Toolkit::CubeTransitionEffect mCubeFoldEffect;
198 Toolkit::CubeTransitionEffect mCurrentEffect;
202 Toolkit::PushButton mSlideshowButton;
204 Vector2 mPanPosition;
205 Vector2 mPanDisplacement;
207 Toolkit::PushButton mEffectChangeButton;
210 CubeTransitionApp::CubeTransitionApp( Application& application )
211 : mApplication( application ),
213 mIsImageLoading( false ),
216 mApplication.InitSignal().Connect( this, &CubeTransitionApp::OnInit );
219 CubeTransitionApp::~CubeTransitionApp()
224 void CubeTransitionApp::OnInit( Application& application )
226 Stage::GetCurrent().KeyEventSignal().Connect(this, &CubeTransitionApp::OnKeyEvent);
228 // Creates a default view with a default tool bar, the view is added to the stage.
229 mContent = DemoHelper::CreateView( application, mView, mToolBar, "", TOOLBAR_IMAGE, "" );
230 mContent.SetBehavior( Layer::LAYER_3D );
232 // Add an effect-changing button on the right of the tool bar.
233 mEffectChangeButton = Toolkit::PushButton::New();
234 mEffectChangeButton.SetUnselectedImage( EFFECT_WAVE_IMAGE );
235 mEffectChangeButton.SetSelectedImage( EFFECT_WAVE_IMAGE_SELECTED );
236 mEffectChangeButton.ClickedSignal().Connect( this, &CubeTransitionApp::OnEffectButtonClicked );
237 mToolBar.AddControl( mEffectChangeButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
239 // Add title to the tool bar.
240 mTitle = DemoHelper::CreateToolBarLabel( APPLICATION_TITLE_WAVE );
241 mToolBar.AddControl( mTitle, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarTitlePercentage, Toolkit::Alignment::HorizontalCenter );
243 //Add an slideshow icon on the right of the title
244 mSlideshowButton = Toolkit::PushButton::New();
245 mSlideshowButton.SetUnselectedImage( SLIDE_SHOW_START_ICON );
246 mSlideshowButton.SetSelectedImage( SLIDE_SHOW_START_ICON_SELECTED );
247 mSlideshowButton.ClickedSignal().Connect( this, &CubeTransitionApp::OnSildeshowButtonClicked );
248 mToolBar.AddControl( mSlideshowButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalCenter, DemoHelper::DEFAULT_PLAY_PADDING );
250 // Set size to stage size to avoid seeing a black border on transition
251 mViewSize = Stage::GetCurrent().GetSize();
253 // show the first image
254 mCurrentImage = LoadStageFillingImage( IMAGES[mIndex] );
257 mCubeWaveEffect = Toolkit::CubeTransitionWaveEffect::New( NUM_ROWS_WAVE, NUM_COLUMNS_WAVE );
258 mCubeWaveEffect.SetTransitionDuration( ANIMATION_DURATION_WAVE );
259 mCubeWaveEffect.SetCubeDisplacement( CUBE_DISPLACEMENT_WAVE );
260 mCubeWaveEffect.TransitionCompletedSignal().Connect(this, &CubeTransitionApp::OnTransitionCompleted);
262 mCubeWaveEffect.SetSize( mViewSize );
263 mCubeWaveEffect.SetPositionInheritanceMode( USE_PARENT_POSITION );
264 mCubeWaveEffect.SetCurrentImage( mCurrentImage );
267 mCubeCrossEffect = Toolkit::CubeTransitionCrossEffect::New(NUM_ROWS_CROSS, NUM_COLUMNS_CROSS );
268 mCubeCrossEffect.SetTransitionDuration( ANIMATION_DURATION_CROSS );
269 mCubeCrossEffect.SetCubeDisplacement( CUBE_DISPLACEMENT_CROSS );
270 mCubeCrossEffect.TransitionCompletedSignal().Connect(this, &CubeTransitionApp::OnTransitionCompleted);
272 mCubeCrossEffect.SetSize( mViewSize );
273 mCubeCrossEffect.SetPositionInheritanceMode( USE_PARENT_POSITION );
274 mCubeCrossEffect.SetCurrentImage( mCurrentImage );
276 mCubeFoldEffect = Toolkit::CubeTransitionFoldEffect::New( NUM_ROWS_FOLD, NUM_COLUMNS_FOLD );
277 mCubeFoldEffect.SetTransitionDuration( ANIMATION_DURATION_FOLD );
278 mCubeFoldEffect.TransitionCompletedSignal().Connect(this, &CubeTransitionApp::OnTransitionCompleted);
280 mCubeFoldEffect.SetSize( mViewSize );
281 mCubeFoldEffect.SetPositionInheritanceMode( USE_PARENT_POSITION );
282 mCubeFoldEffect.SetCurrentImage( mCurrentImage );
284 mViewTimer = Timer::New( VIEWINGTIME );
285 mViewTimer.TickSignal().Connect( this, &CubeTransitionApp::OnTimerTick );
288 mCurrentEffect = mCubeWaveEffect;
289 mContent.Add( mCurrentEffect );
291 // use pan gesture to detect the cursor or finger movement
292 mPanGestureDetector = PanGestureDetector::New();
293 mPanGestureDetector.DetectedSignal().Connect( this, &CubeTransitionApp::OnPanGesture );
294 mPanGestureDetector.Attach( mContent );
297 // signal handler, called when the pan gesture is detected
298 void CubeTransitionApp::OnPanGesture( Actor actor, const PanGesture& gesture )
300 // does not response when the transition has not finished
301 if( mIsImageLoading || mCubeWaveEffect.IsTransitioning() || mCubeCrossEffect.IsTransitioning() || mCubeFoldEffect.IsTransitioning() || mSlideshow )
306 if( gesture.state == Gesture::Continuing )
308 if( gesture.displacement.x < 0)
310 mIndex = (mIndex + 1)%NUM_IMAGES;
314 mIndex = (mIndex + NUM_IMAGES -1)%NUM_IMAGES;
317 mPanPosition = gesture.position;
318 mPanDisplacement = gesture.displacement;
323 void CubeTransitionApp::GoToNextImage()
325 mNextImage = LoadStageFillingImage( IMAGES[ mIndex ] );
326 mCurrentEffect.SetTargetImage( mNextImage );
327 if( mNextImage.GetLoadingState() == ResourceLoadingSucceeded )
329 mIsImageLoading = false;
330 OnImageLoaded( mNextImage );
334 mIsImageLoading = true;
335 mNextImage.LoadingFinishedSignal().Connect( this, &CubeTransitionApp::OnImageLoaded );
339 void CubeTransitionApp::OnImageLoaded(ResourceImage image)
341 mIsImageLoading = false;
342 mCurrentEffect.StartTransition( mPanPosition, mPanDisplacement );
343 mCurrentImage = mNextImage;
346 bool CubeTransitionApp::OnEffectButtonClicked( Toolkit::Button button )
348 mContent.Remove( mCurrentEffect );
349 if(mCurrentEffect == mCubeWaveEffect)
351 mCurrentEffect = mCubeCrossEffect;
352 mTitle.SetProperty( TextLabel::Property::TEXT, std::string(APPLICATION_TITLE_CROSS) );
353 mEffectChangeButton.SetUnselectedImage( EFFECT_CROSS_IMAGE );
354 mEffectChangeButton.SetSelectedImage( EFFECT_CROSS_IMAGE_SELECTED );
357 else if(mCurrentEffect == mCubeCrossEffect)
359 mCurrentEffect = mCubeFoldEffect;
360 mTitle.SetProperty( TextLabel::Property::TEXT, std::string(APPLICATION_TITLE_FOLD) );
361 mEffectChangeButton.SetUnselectedImage( EFFECT_FOLD_IMAGE );
362 mEffectChangeButton.SetSelectedImage( EFFECT_FOLD_IMAGE_SELECTED );
366 mCurrentEffect = mCubeWaveEffect;
367 mTitle.SetProperty( TextLabel::Property::TEXT, std::string(APPLICATION_TITLE_WAVE) );
368 mEffectChangeButton.SetUnselectedImage( EFFECT_WAVE_IMAGE );
369 mEffectChangeButton.SetSelectedImage( EFFECT_WAVE_IMAGE_SELECTED );
371 mContent.Add( mCurrentEffect );
373 // Set the current image to cube transition effect
374 // only need to set at beginning or change from another effect
375 mCurrentEffect.SetCurrentImage( mCurrentImage );
379 bool CubeTransitionApp::OnSildeshowButtonClicked( Toolkit::Button button )
381 mSlideshow = !mSlideshow;
384 mPanGestureDetector.Detach( mContent );
385 mSlideshowButton.SetUnselectedImage( SLIDE_SHOW_STOP_ICON );
386 mSlideshowButton.SetSelectedImage( SLIDE_SHOW_STOP_ICON_SELECTED );
387 mPanPosition = Vector2( mViewSize.width, mViewSize.height*0.5f );
388 mPanDisplacement = Vector2( -10.f, 0.f );
393 mPanGestureDetector.Attach( mContent );
394 mSlideshowButton.SetUnselectedImage( SLIDE_SHOW_START_ICON );
395 mSlideshowButton.SetSelectedImage( SLIDE_SHOW_START_ICON_SELECTED );
401 void CubeTransitionApp::OnTransitionCompleted(Toolkit::CubeTransitionEffect effect, Image image )
409 bool CubeTransitionApp::OnTimerTick()
413 mIndex = (mIndex + 1)%NUM_IMAGES;
417 //return false to stop the timer
421 void CubeTransitionApp::OnKeyEvent(const KeyEvent& event)
423 if(event.state == KeyEvent::Down)
425 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
432 // Entry point for Linux & Tizen applications
433 int main( int argc, char **argv )
435 Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
436 CubeTransitionApp test( application );
437 application.MainLoop();