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