examples/remote-image-loading/remote-image-loading-example.cpp

   1 /*
   2  * Copyright (c) 2020 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
  18
  19 #include <shared/utility.h>
  20 #include <stdlib.h>
  21 #include <iostream>
  22 #include <dali/dali.h>
  23 #include <dali-toolkit/dali-toolkit.h>
  24 #include <dali/devel-api/actors/actor-devel.h>
  25
  26
  27 using namespace Dali;
  28 using namespace Dali::Toolkit;
  29
  30 // This example shows the load-time image scaling and filtering features.
  31 //
  32 class MyTester : public ConnectionTracker
  33 {
  34 public:
  35   MyTester(Application &application) : mApplication(application)
  36   {
  37     // Connect to the Application's Init signal
  38     mApplication.InitSignal().Connect(this, &MyTester::Create);
  39   }
  40
  41   ~MyTester()
  42   {
  43     // Nothing to do here;
  44   }
  45
  46   void ConnectEventSignal(Control control)
  47   {
  48     control.TouchSignal().Connect(this, &MyTester::OnControlTouch);
  49
  50     control.SetProperty( Actor::Property::KEYBOARD_FOCUSABLE,true);
  51     control.KeyEventSignal().Connect(this, &MyTester::OnControlKeyEvent);
  52     control.KeyInputFocusGainedSignal().Connect(this, &MyTester::OnFocusSet);
  53     control.KeyInputFocusLostSignal().Connect(this, &MyTester::OnFocusUnSet);
  54   }
  55
  56   // The Init signal is received once (only) during the Application lifetime
  57   void Create(Application &application)
  58   {
  59     mWindow = application.GetWindow();
  60     mWindow.SetBackgroundColor(Color::BLACK);
  61     mWindow.KeyEventSignal().Connect(this, &MyTester::OnKey);
  62     mWindow.TouchSignal().Connect(this, &MyTester::OnTouch);
  63
  64     TextLabel rubric = TextLabel::New( "You will need a working internet connection to see the images below");
  65     rubric.SetProperty( TextLabel::Property::MULTI_LINE, true );
  66     rubric.SetProperty( TextLabel::Property::TEXT_COLOR, Color::WHITE );
  67     rubric.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
  68     rubric.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
  69     rubric.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER );
  70     rubric.SetProperty( Actor::Property::ANCHOR_POINT, ParentOrigin::TOP_CENTER );
  71     mWindow.Add( rubric );
  72
  73     mImageView1 = Toolkit::ImageView::New("http://static.midomi.com/s/s/images/000/000/000/000/293/259/19/520_000000000000293259191500x1500_72dpi_RGB_q70.jpg");
  74
  75     mImageView1.SetProperty( Dali::Actor::Property::NAME,"mImageView1");
  76     mImageView1.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
  77     mImageView1.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_CENTER);
  78     mImageView1.SetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT, false);
  79     mImageView1.SetProperty( Actor::Property::POSITION, Vector2(0, 100));
  80     mImageView1.SetBackgroundColor(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
  81     mWindow.Add(mImageView1);
  82
  83     mImageView2 = Toolkit::ImageView::New("http://static.midomi.com/s/s/images/000/000/000/000/212/651/88/520_000000000000212651881500x1500_72dpi_RGB_q70.jpg");
  84     mImageView2.SetProperty( Dali::Actor::Property::NAME,"mImageView2");
  85     mImageView2.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
  86     mImageView2.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_CENTER);
  87     mImageView2.SetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT, false);
  88     mImageView2.SetProperty( Actor::Property::POSITION, Vector2(400, 100));
  89     mImageView2.SetBackgroundColor(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
  90     mWindow.Add(mImageView2);
  91
  92     mImageView3 = Toolkit::ImageView::New("http://static.midomi.com/s/s/images/000/000/000/000/212/353/21/520_000000000000212353211500x1500_72dpi_RGB_q70.jpg");
  93     mImageView3.SetProperty( Dali::Actor::Property::NAME,"mImageView3");
  94     mImageView3.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
  95     mImageView3.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_CENTER);
  96     mImageView3.SetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT, false);
  97     mImageView3.SetProperty( Actor::Property::POSITION, Vector2(0, 400));
  98     mImageView3.SetBackgroundColor(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
  99     mWindow.Add(mImageView3);
 100
 101     mImageView4 = Toolkit::ImageView::New("http://d2k43l0oslhof9.cloudfront.net/platform/image/contents/vc/20/01/58/20170629100630071189_0bf6b911-a847-cba4-e518-be40fe2f579420170629192203240.jpg");
 102     mImageView4.SetProperty( Dali::Actor::Property::NAME,"mImageView4");
 103     mImageView4.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
 104     mImageView4.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_CENTER);
 105     mImageView4.SetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT, false);
 106     mImageView4.SetProperty( Actor::Property::POSITION, Vector2(400, 400));
 107     mImageView4.SetBackgroundColor(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
 108     mWindow.Add(mImageView4);
 109
 110     mImageView5 = Toolkit::ImageView::New("http://static.midomi.com/h/images/w/weather_sunny.png");
 111     mImageView5.SetProperty( Dali::Actor::Property::NAME,"mImageView5");
 112     mImageView4.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
 113     mImageView5.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_CENTER);
 114     mImageView5.SetProperty(Actor::Property::POSITION_USES_ANCHOR_POINT, false);
 115     mImageView5.SetProperty( Actor::Property::POSITION, Vector2(800, 100));
 116     mImageView5.SetBackgroundColor(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
 117     mWindow.Add(mImageView5);
 118
 119     // Tie-in input event handlers:
 120     mWindow.KeyEventSignal().Connect( this, &MyTester::OnKeyEvent );
 121   }
 122
 123   void OnAnimationEnd(Animation &source)
 124   {
 125     std::cout<<"OnAnimationEnd" << std::endl;
 126   }
 127
 128   void OnKeyEvent(const KeyEvent& event)
 129   {
 130     if( event.GetState() == KeyEvent::DOWN )
 131     {
 132       if( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
 133       {
 134         mApplication.Quit();
 135       }
 136     }
 137   }
 138
 139   void OnKey(const KeyEvent &event)
 140   {
 141     if (event.GetState() == KeyEvent::DOWN)
 142     {
 143       std::cout<<"Window key : " << event.GetKeyCode() << std::endl;
 144     }
 145   }
 146
 147   void OnTouch(const TouchEvent &touch)
 148   {
 149     if (touch.GetState(0) == PointState::DOWN)
 150     {
 151       std::cout<<"Window touch" << std::endl;
 152     }
 153   }
 154
 155   bool OnControlKeyEvent(Toolkit::Control control, const KeyEvent &event)
 156   {
 157     if (event.GetState() == KeyEvent::DOWN)
 158     {
 159       std::cout<<"Control down key : " << control.GetProperty< std::string >( Dali::Actor::Property::NAME ) << ", keyCode : " << event.GetKeyCode() << std::endl;
 160     }
 161     else
 162     {
 163       std::cout<<"Control up key : " << control.GetProperty< std::string >( Dali::Actor::Property::NAME ) << ", keyCode : " << event.GetKeyCode() << std::endl;
 164     }
 165     return false;
 166   }
 167
 168   bool OnControlTouch(Actor actor, const TouchEvent &touch)
 169   {
 170     if (touch.GetState(0) == PointState::DOWN)
 171     {
 172
 173       std::cout<<"Control touch " << actor.GetProperty< std::string >( Dali::Actor::Property::NAME ) << ", parent " << actor.GetParent().GetProperty< std::string >( Dali::Actor::Property::NAME ) << std::endl;
 174     }
 175
 176     return false;
 177   }
 178
 179   void OnFocusSet(Control control)
 180   {
 181     std::cout<<"OnFocusSet " << control.GetProperty< std::string >( Dali::Actor::Property::NAME ) << std::endl;
 182   }
 183
 184   void OnFocusUnSet(Control control)
 185   {
 186     std::cout<<"OnFocusUnSet " << control.GetProperty< std::string >( Dali::Actor::Property::NAME ) << std::endl;
 187   }
 188
 189 private:
 190   Window mWindow;
 191   Application &mApplication;
 192
 193   Control mControl1;
 194   Control mControl2;
 195   ImageView mImageView1;
 196   ImageView mImageView2;
 197   ImageView mImageView3;
 198   ImageView mImageView4;
 199   ImageView mImageView5;
 200
 201   TextLabel mTextLabel1;
 202   TextLabel mTextLabel2;
 203   TextField mTextField;
 204   TextEditor mTextEditor;
 205
 206   Animation mAnimation;
 207   Timer     mTimer;
 208
 209 };
 210
 211 int DALI_EXPORT_API main(int argc, char **argv)
 212 {
 213   Application application = Application::New(&argc, &argv, "");
 214   MyTester test(application);
 215   application.MainLoop();
 216   return 0;
 217 }