Merge pull request #261 from ichub/computedCSS

Added the ability to inspect an element's style

stetho/src/main/java/com/facebook/stetho/Stetho.java

@@ -327,12 +327,12 @@ public DefaultInspectorModulesBuilder remove(String moduleName) {
 
     public Iterable<ChromeDevtoolsDomain> finish() {
       provideIfDesired(new Console());
-      provideIfDesired(new CSS());
       provideIfDesired(new Debugger());
       DocumentProviderFactory documentModel = resolveDocumentProvider();
       if (documentModel != null) {
         Document document = new Document(documentModel);
         provideIfDesired(new DOM(document));
+        provideIfDesired(new CSS(document));
       }
       provideIfDesired(new DOMStorage(mContext));
       provideIfDesired(new HeapProfiler());

stetho/src/main/java/com/facebook/stetho/common/ListUtil.java

@@ -65,6 +65,10 @@ public static <T> List<T> copyToImmutableList(List<T> list) {
     }
   }
 
+  public static <T> List<T> newImmutableList(T item) {
+    return new OneItemImmutableList<>(item);
+  }
+
   private static interface ImmutableList<E> extends List<E>, RandomAccess {
   }
 

stetho/src/main/java/com/facebook/stetho/inspector/elements/AbstractChainedDescriptor.java

@@ -145,4 +145,14 @@ public final void setAttributesAsText(Object element, String text) {
   protected void onSetAttributesAsText(E element, String text) {
     mSuper.setAttributesAsText(element, text);
   }
+
+  @Override
+  @SuppressWarnings("unchecked")
+  public final void getStyles(Object element, StyleAccumulator accumulator) {
+    mSuper.getStyles(element, accumulator);
+    onGetStyles((E) element, accumulator);
+  }
+
+  protected void onGetStyles(E element, StyleAccumulator accumulator) {
+  }
 }

stetho/src/main/java/com/facebook/stetho/inspector/elements/Document.java

@@ -140,6 +140,12 @@ public void setAttributesAsText(Object element, String text) {
     mDocumentProvider.setAttributesAsText(element, text);
   }
 
+  public void getElementStyles(Object element, StyleAccumulator styleAccumulator) {
+    NodeDescriptor nodeDescriptor = getNodeDescriptor(element);
+
+    nodeDescriptor.getStyles(element, styleAccumulator);
+  }
+
   public DocumentView getDocumentView() {
     verifyThreadAccess();
     return mShadowDocument;

stetho/src/main/java/com/facebook/stetho/inspector/elements/NodeDescriptor.java

@@ -33,4 +33,6 @@ public interface NodeDescriptor extends ThreadBound {
   void getAttributes(Object element, AttributeAccumulator attributes);
 
   void setAttributesAsText(Object element, String text);
+
+  void getStyles(Object element, StyleAccumulator accumulator);
 }

stetho/src/main/java/com/facebook/stetho/inspector/elements/ObjectDescriptor.java

@@ -51,4 +51,8 @@ public void getAttributes(Object element, AttributeAccumulator attributes) {
   @Override
   public void setAttributesAsText(Object element, String text) {
   }
+
+  @Override
+  public void getStyles(Object element, StyleAccumulator accumulator) {
+  }
 }

stetho/src/main/java/com/facebook/stetho/inspector/elements/Origin.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.stetho.inspector.elements;
+
+import com.facebook.stetho.json.annotation.JsonValue;
+
+public enum Origin {
+  INJECTED("injected"),
+  USER_AGENT("user-agent"),
+  INSPECTOR("inspector"),
+  REGULAR("regular");
+
+  private final String mValue;
+
+  Origin(String value) {
+    mValue = value;
+  }
+
+  @JsonValue
+  public String getProtocolValue() {
+    return mValue;
+  }
+}

stetho/src/main/java/com/facebook/stetho/inspector/elements/StyleAccumulator.java

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.stetho.inspector.elements;
+
+public interface StyleAccumulator {
+  void store(String name, String value, boolean isDefault);
+}

stetho/src/main/java/com/facebook/stetho/inspector/elements/android/DialogFragmentDescriptor.java

@@ -23,6 +23,7 @@
 import com.facebook.stetho.inspector.elements.Descriptor;
 import com.facebook.stetho.inspector.elements.DescriptorMap;
 import com.facebook.stetho.inspector.elements.NodeType;
+import com.facebook.stetho.inspector.elements.StyleAccumulator;
 
 import javax.annotation.Nullable;
 
@@ -125,4 +126,8 @@ public View getViewForHighlighting(Object element) {
 
     return null;
   }
+
+  @Override
+  public void getStyles(Object element, StyleAccumulator styles) {
+  }
 }