Pretty-print Native AnimatedNode values

Summary:
For debugging, add prettyPrint method to AnimatedNode classes.

Changelog: [Internal]

Reviewed By: shergin

Differential Revision: D22752292

fbshipit-source-id: ce1f08fc4fd97f38629dd82151c6ea762026c7c9

Author: JoshuaGross

ReactAndroid/src/main/java/com/facebook/react/animated/AdditionAnimatedNode.java

@@ -43,4 +43,14 @@ public void update() {
       }
     }
   }
+
+  @Override
+  public String prettyPrint() {
+    return "AdditionAnimatedNode["
+        + mTag
+        + "]: input nodes: "
+        + (mInputNodes != null ? mInputNodes.toString() : "null")
+        + " - super: "
+        + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/AnimatedNode.java

@@ -57,4 +57,20 @@ public void onDetachedFromNode(AnimatedNode parent) {}
    * it can be used to calculate node's value.
    */
   public void update() {}
+
+  /**
+   * Pretty-printer for the AnimatedNode. Only called in production pre-crash for debug diagnostics.
+   */
+  public abstract String prettyPrint();
+
+  public String prettyPrintWithChildren() {
+    String children = "";
+    if (mChildren != null && mChildren.size() > 0) {
+      for (AnimatedNode child : mChildren) {
+        children += " " + child.mTag;
+      }
+    }
+
+    return prettyPrint() + (children.length() > 0 ? " children: " + children : "");
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/DiffClampAnimatedNode.java

@@ -46,4 +46,19 @@ private double getInputNodeValue() {
 
     return ((ValueAnimatedNode) animatedNode).getValue();
   }
+
+  public String prettyPrint() {
+    return "DiffClampAnimatedNode["
+        + mTag
+        + "]: InputNodeTag: "
+        + mInputNodeTag
+        + " min: "
+        + mMin
+        + " max: "
+        + mMax
+        + " lastValue: "
+        + mLastValue
+        + " super: "
+        + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.java

@@ -51,4 +51,14 @@ public void update() {
       }
     }
   }
+
+  @Override
+  public String prettyPrint() {
+    return "DivisionAnimatedNode["
+        + mTag
+        + "]: input nodes: "
+        + (mInputNodes != null ? mInputNodes.toString() : "null")
+        + " - super: "
+        + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/InterpolationAnimatedNode.java

@@ -249,4 +249,8 @@ public void update() {
       }
     }
   }
+
+  public String prettyPrint() {
+    return "InterpolationAnimatedNode[" + mTag + "] super: " + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/ModulusAnimatedNode.java

@@ -34,4 +34,15 @@ public void update() {
           "Illegal node ID set as an input for " + "Animated.modulus node");
     }
   }
+
+  public String prettyPrint() {
+    return "NativeAnimatedNodesManager["
+        + mTag
+        + "] inputNode: "
+        + mInputNode
+        + " modulus: "
+        + mModulus
+        + " super: "
+        + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/MultiplicationAnimatedNode.java

@@ -43,4 +43,14 @@ public void update() {
       }
     }
   }
+
+  @Override
+  public String prettyPrint() {
+    return "MultiplicationAnimatedNode["
+        + mTag
+        + "]: input nodes: "
+        + (mInputNodes != null ? mInputNodes.toString() : "null")
+        + " - super: "
+        + super.prettyPrint();
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/PropsAnimatedNode.java

@@ -113,4 +113,15 @@ public final void updateView() {
 
     mUIManager.synchronouslyUpdateViewOnUIThread(mConnectedViewTag, mPropMap);
   }
+
+  public String prettyPrint() {
+    return "PropsAnimatedNode["
+        + mTag
+        + "] connectedViewTag: "
+        + mConnectedViewTag
+        + " mPropNodeMapping: "
+        + (mPropNodeMapping != null ? mPropNodeMapping.toString() : "null")
+        + " mPropMap: "
+        + (mPropMap != null ? mPropMap.toString() : "null");
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/StyleAnimatedNode.java

@@ -49,4 +49,11 @@ public void collectViewUpdates(JavaOnlyMap propsMap) {
       }
     }
   }
+
+  public String prettyPrint() {
+    return "StyleAnimatedNode["
+        + mTag
+        + "] mPropMapping: "
+        + (mPropMapping != null ? mPropMapping.toString() : "null");
+  }
 }

ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.java

@@ -47,4 +47,14 @@ public void update() {
       }
     }
   }
+
+  @Override
+  public String prettyPrint() {
+    return "SubtractionAnimatedNode["
+        + mTag
+        + "]: input nodes: "
+        + (mInputNodes != null ? mInputNodes.toString() : "null")
+        + " - super: "
+        + super.prettyPrint();
+  }
 }