content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * 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.
   */
  
  package android.graphics;
  
  import com.android.layoutlib.bridge.impl.DelegateManager;
  import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
  
  import libcore.util.NativeAllocationRegistry_Delegate;
  
  /**
   * Delegate implementing the native methods of {@link RenderNode}
   * <p/>
   * Through the layoutlib_create tool, some native methods of RenderNode have been replaced by calls
   * to methods of the same name in this delegate class.
   *
   * @see DelegateManager
   */
  public class RenderNode_Delegate {
  
  
      // ---- delegate manager ----
      private static final DelegateManager<RenderNode_Delegate> sManager =
              new DelegateManager<RenderNode_Delegate>(RenderNode_Delegate.class);
      private static long sFinalizer = -1;
  
      private float mLift;
      private float mTranslationX;
      private float mTranslationY;
      private float mTranslationZ;
      private float mRotation;
      private float mScaleX = 1;
      private float mScaleY = 1;
      private float mPivotX;
      private float mPivotY;
      private boolean mPivotExplicitlySet;
      private int mLeft;
      private int mRight;
      private int mTop;
      private int mBottom;
      @SuppressWarnings("UnusedDeclaration")
      private String mName;
  
      @LayoutlibDelegate
      /*package*/ static long nCreate(String name) {
          RenderNode_Delegate renderNodeDelegate = new RenderNode_Delegate();
          renderNodeDelegate.mName = name;
          return sManager.addNewDelegate(renderNodeDelegate);
      }
  
      @LayoutlibDelegate
      /*package*/ static long nGetNativeFinalizer() {
          synchronized (RenderNode_Delegate.class) {
              if (sFinalizer == -1) {
                  sFinalizer = NativeAllocationRegistry_Delegate.createFinalizer(sManager::removeJavaReferenceFor);
              }
          }
          return sFinalizer;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetElevation(long renderNode, float lift) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mLift != lift) {
              delegate.mLift = lift;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetElevation(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mLift;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetTranslationX(long renderNode, float translationX) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mTranslationX != translationX) {
              delegate.mTranslationX = translationX;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetTranslationX(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mTranslationX;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetTranslationY(long renderNode, float translationY) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mTranslationY != translationY) {
              delegate.mTranslationY = translationY;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetTranslationY(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mTranslationY;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetTranslationZ(long renderNode, float translationZ) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mTranslationZ != translationZ) {
              delegate.mTranslationZ = translationZ;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetTranslationZ(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mTranslationZ;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetRotation(long renderNode, float rotation) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mRotation != rotation) {
              delegate.mRotation = rotation;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetRotation(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mRotation;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static void getMatrix(RenderNode renderNode, Matrix outMatrix) {
          outMatrix.reset();
          if (renderNode != null) {
              float rotation = renderNode.getRotationZ();
              float translationX = renderNode.getTranslationX();
              float translationY = renderNode.getTranslationY();
              float pivotX = renderNode.getPivotX();
              float pivotY = renderNode.getPivotY();
              float scaleX = renderNode.getScaleX();
              float scaleY = renderNode.getScaleY();
  
              outMatrix.setTranslate(translationX, translationY);
              outMatrix.preRotate(rotation, pivotX, pivotY);
              outMatrix.preScale(scaleX, scaleY, pivotX, pivotY);
          }
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetLeft(long renderNode, int left) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mLeft != left) {
              delegate.mLeft = left;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetTop(long renderNode, int top) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mTop != top) {
              delegate.mTop = top;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetRight(long renderNode, int right) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mRight != right) {
              delegate.mRight = right;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetBottom(long renderNode, int bottom) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mBottom != bottom) {
              delegate.mBottom = bottom;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetLeftTopRightBottom(long renderNode, int left, int top, int right,
              int bottom) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && (delegate.mLeft != left || delegate.mTop != top || delegate
                  .mRight != right || delegate.mBottom != bottom)) {
              delegate.mLeft = left;
              delegate.mTop = top;
              delegate.mRight = right;
              delegate.mBottom = bottom;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nIsPivotExplicitlySet(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          return delegate != null && delegate.mPivotExplicitlySet;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetPivotX(long renderNode, float pivotX) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              delegate.mPivotX = pivotX;
              delegate.mPivotExplicitlySet = true;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetPivotX(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              if (delegate.mPivotExplicitlySet) {
                  return delegate.mPivotX;
              } else {
                  return (delegate.mRight - delegate.mLeft) / 2.0f;
              }
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetPivotY(long renderNode, float pivotY) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              delegate.mPivotY = pivotY;
              delegate.mPivotExplicitlySet = true;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetPivotY(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              if (delegate.mPivotExplicitlySet) {
                  return delegate.mPivotY;
              } else {
                  return (delegate.mBottom - delegate.mTop) / 2.0f;
              }
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetScaleX(long renderNode, float scaleX) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mScaleX != scaleX) {
              delegate.mScaleX = scaleX;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetScaleX(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mScaleX;
          }
          return 0f;
      }
  
      @LayoutlibDelegate
      /*package*/ static boolean nSetScaleY(long renderNode, float scaleY) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null && delegate.mScaleY != scaleY) {
              delegate.mScaleY = scaleY;
              return true;
          }
          return false;
      }
  
      @LayoutlibDelegate
      /*package*/ static float nGetScaleY(long renderNode) {
          RenderNode_Delegate delegate = sManager.getDelegate(renderNode);
          if (delegate != null) {
              return delegate.mScaleY;
          }
          return 0f;
      }
  }
  