[automerger] Make safe label more safe am: 2263da9539 am: 05086b1008 am: 77f449068a am: 46f4563313 (6be1d671) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/PackageItemInfo.java

+14 −5

Original line number	Diff line number	Diff line
		@@ -46,6 +46,9 @@ import java.util.Comparator;
		*/
		public class PackageItemInfo {
		private static final float MAX_LABEL_SIZE_PX = 500f;
		/** The maximum length of a safe label, in characters */
		private static final int MAX_SAFE_LABEL_LENGTH = 50000;

		/**
		* Public name of this item. From the "android:name" attribute.
		*/
		@@ -173,7 +176,8 @@ public class PackageItemInfo {
		// If the label contains new line characters it may push the UI
		// down to hide a part of it. Labels shouldn't have new line
		// characters, so just truncate at the first time one is seen.
		final int labelLength = labelStr.length();
		final int labelLength = Math.min(labelStr.length(), MAX_SAFE_LABEL_LENGTH);
		final StringBuffer sb = new StringBuffer(labelLength);
		int offset = 0;
		while (offset < labelLength) {
		final int codePoint = labelStr.codePointAt(offset);
		@@ -185,14 +189,19 @@ public class PackageItemInfo {
		break;
		}
		// replace all non-break space to " " in order to be trimmed
		final int charCount = Character.charCount(codePoint);
		if (type == Character.SPACE_SEPARATOR) {
		labelStr = labelStr.substring(0, offset) + " " + labelStr.substring(offset +
		Character.charCount(codePoint));
		sb.append(' ');
		} else {
		sb.append(labelStr.charAt(offset));
		if (charCount == 2) {
		sb.append(labelStr.charAt(offset + 1));
		}
		}
		offset += Character.charCount(codePoint);
		offset += charCount;
		}

		labelStr = labelStr.trim();
		labelStr = sb.toString().trim();
		if (labelStr.isEmpty()) {
		return packageName;
		}