Merge "Add ClipDescription method to determine if the clip is styled text." into sc-dev

core/api/current.txt

@@ -9820,6 +9820,7 @@ package android.content {
     method public int getMimeTypeCount();
     method public long getTimestamp();
     method public boolean hasMimeType(String);
+    method public boolean isStyledText();
     method public void setExtras(android.os.PersistableBundle);
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.content.ClipDescription> CREATOR;

core/java/android/content/ClipData.java

@@ -740,6 +740,7 @@ public class ClipData implements Parcelable {
         mIcon = null;
         mItems = new ArrayList<Item>();
         mItems.add(item);
+        mClipDescription.setIsStyledText(isStyledText());
     }
 
     /**
@@ -756,6 +757,7 @@ public class ClipData implements Parcelable {
         mIcon = null;
         mItems = new ArrayList<Item>();
         mItems.add(item);
+        mClipDescription.setIsStyledText(isStyledText());
     }
 
     /**
@@ -914,6 +916,9 @@ public class ClipData implements Parcelable {
             throw new NullPointerException("item is null");
         }
         mItems.add(item);
+        if (mItems.size() == 1) {
+            mClipDescription.setIsStyledText(isStyledText());
+        }
     }
 
     /**
@@ -1049,6 +1054,20 @@ public class ClipData implements Parcelable {
         }
     }
 
+    private boolean isStyledText() {
+        if (mItems.isEmpty()) {
+            return false;
+        }
+        final CharSequence text = mItems.get(0).getText();
+        if (text instanceof Spanned) {
+            Spanned spanned = (Spanned) text;
+            if (TextUtils.hasStyleSpan(spanned)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public String toString() {
         StringBuilder b = new StringBuilder(128);

core/java/android/content/ClipDescription.java

@@ -120,6 +120,7 @@ public class ClipDescription implements Parcelable {
     private final ArrayList<String> mMimeTypes;
     private PersistableBundle mExtras;
     private long mTimeStamp;
+    private boolean mIsStyledText;
 
     /**
      * Create a new clip.
@@ -325,6 +326,26 @@ public class ClipDescription implements Parcelable {
         }
     }
 
+    /**
+     * Returns true if the first item of the associated {@link ClipData} contains styled text, i.e.
+     * if it contains spans such as {@link android.text.style.CharacterStyle CharacterStyle}, {@link
+     * android.text.style.ParagraphStyle ParagraphStyle}, or {@link
+     * android.text.style.UpdateAppearance UpdateAppearance}. Returns false if it does not, or if
+     * there is no associated clip data.
+     */
+    public boolean isStyledText() {
+        return mIsStyledText;
+    }
+
+    /**
+     * Sets whether the associated {@link ClipData} contains styled text in its first item. This
+     * should be called when this description is associated with clip data or when the first item
+     * is added to the associated clip data.
+     */
+    void setIsStyledText(boolean isStyledText) {
+        mIsStyledText = isStyledText;
+    }
+
     @Override
     public String toString() {
         StringBuilder b = new StringBuilder(128);
@@ -429,6 +450,7 @@ public class ClipDescription implements Parcelable {
         dest.writeStringList(mMimeTypes);
         dest.writePersistableBundle(mExtras);
         dest.writeLong(mTimeStamp);
+        dest.writeBoolean(mIsStyledText);
     }
 
     ClipDescription(Parcel in) {
@@ -436,6 +458,7 @@ public class ClipDescription implements Parcelable {
         mMimeTypes = in.createStringArrayList();
         mExtras = in.readPersistableBundle();
         mTimeStamp = in.readLong();
+        mIsStyledText = in.readBoolean();
     }
 
     public static final @android.annotation.NonNull Parcelable.Creator<ClipDescription> CREATOR =

core/java/android/widget/TextView.java

@@ -12940,17 +12940,11 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
             return false;
         }
 
-        final ClipData clipData = getClipboardManagerForUser().getPrimaryClip();
-        final ClipDescription description = clipData.getDescription();
+        final ClipDescription description =
+                getClipboardManagerForUser().getPrimaryClipDescription();
         final boolean isPlainType = description.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN);
-        final CharSequence text = clipData.getItemAt(0).getText();
-        if (isPlainType && (text instanceof Spanned)) {
-            Spanned spanned = (Spanned) text;
-            if (TextUtils.hasStyleSpan(spanned)) {
-                return true;
-            }
-        }
-        return description.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML);
+        return (isPlainType && description.isStyledText())
+                || description.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML);
     }
 
     boolean canProcessText() {