/*
 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// CLASS HEADER
#include "my-control.h"

// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/table-view/table-view.h>
#include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
#include <dali/integration-api/events/touch-event-integ.h>
#include <cstdio>
#include <sstream>

// INTERNAL INCLUDES
#include "simple-visuals-application.h"

using namespace Dali;
using namespace Dali::Toolkit;

namespace
{
}

namespace Demo
{
const char* ICON_IMAGE(DEMO_IMAGE_DIR "application-icon-13.png");

SimpleVisualsApplication::SimpleVisualsApplication(Application& application)
: mApplication(application),
  mMyControl()
{
  application.InitSignal().Connect(this, &SimpleVisualsApplication::Create);
}

Dali::Actor SimpleVisualsApplication::OnKeyboardPreFocusChange(Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction)
{
  Actor nextFocusActor = proposed;

  if(!current && !proposed)
  {
    // Set the initial focus to the first tile in the current page should be focused.
    nextFocusActor = mMyControl;
  }
  else
  {
    if(current == mMyControl)
    {
      nextFocusActor = mMyControl2;
    }
    else
    {
      nextFocusActor = mMyControl;
    }
  }

  return nextFocusActor;
}

void SimpleVisualsApplication::OnKeyEvent(const KeyEvent& keyEvent)
{
  static int keyPressed = 0;

  if(keyEvent.GetState() == KeyEvent::DOWN)
  {
    if(keyPressed == 0) // Is this the first down event?
    {
      printf("Key pressed: %s %d\n", keyEvent.GetKeyName().c_str(), keyEvent.GetKeyCode());

      if(IsKey(keyEvent, DALI_KEY_ESCAPE) || IsKey(keyEvent, DALI_KEY_BACK))
      {
        mApplication.Quit();
      }
      else if(keyEvent.GetKeyName().compare("Return") == 0)
      {
      }
    }
    keyPressed = 1;
  }
  else if(keyEvent.GetState() == KeyEvent::UP)
  {
    keyPressed = 0;
  }
}

void SimpleVisualsApplication::Create(Application& application)
{
  Window window = application.GetWindow();
  window.SetBackgroundColor(Vector4(0.1f, 0.1f, 0.1f, 1.0f));

  // Connect to key events so can quit application
  window.KeyEventSignal().Connect(this, &SimpleVisualsApplication::OnKeyEvent);

  // Create a table view to parent the 2 MyControls
  TableView contentLayout = TableView::New(2, 2);
  contentLayout.SetProperty(Dali::Actor::Property::NAME, "ContentLayout");
  contentLayout.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
  contentLayout.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT);
  contentLayout.SetProperty(Actor::Property::SIZE_MODE_FACTOR, Vector3(1.0f, .5f, 1.0f));
  contentLayout.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
  contentLayout.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
  contentLayout.SetCellPadding(Vector2(50.0f, 15.0f));
  contentLayout.SetBackgroundColor(Vector4(0.949, 0.949, 0.949, 1.0));

  // Listen to focus change so can see Visual change from NORMAL to FOCUSED state
  KeyboardFocusManager::Get().PreFocusChangeSignal().Connect(this, &SimpleVisualsApplication::OnKeyboardPreFocusChange);

  window.Add(contentLayout);

  // Create 2 MyControls and add to table view.
  mMyControl = MyControl::New();
  mMyControl.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
  mMyControl.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);

  mMyControl2 = MyControl::New();
  mMyControl2.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
  mMyControl2.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);

  contentLayout.AddChild(mMyControl2, TableView::CellPosition(0, 0));
  contentLayout.AddChild(mMyControl, TableView::CellPosition(0, 1));
}

} // namespace Demo