Index: chrome/android/java_staging/src/org/chromium/chrome/browser/widget/BoundedLinearLayout.java |
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/BoundedLinearLayout.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/BoundedLinearLayout.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..004f304a17420cdd0dc0c4682ffa394b05466498 |
--- /dev/null |
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/BoundedLinearLayout.java |
@@ -0,0 +1,53 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+package org.chromium.chrome.browser.widget; |
+ |
+import android.content.Context; |
+import android.content.res.TypedArray; |
+import android.util.AttributeSet; |
+import android.widget.LinearLayout; |
+ |
+import com.google.android.apps.chrome.R; |
+ |
+/** |
+ * A LinearLayout that can be constrained to a maximum width. |
+ * |
+ * Example: |
+ * <org.chromium.chrome.browser.widget.BoundedLinearLayout |
+ * xmlns:android="http://schemas.android.com/apk/res/android" |
+ * xmlns:chrome="http://schemas.android.com/apk/res-auto" |
+ * android:layout_width="match_parent" |
+ * android:layout_height="match_parent" |
+ * chrome:maxWidth="692dp" > |
+ * ... |
+ */ |
+public class BoundedLinearLayout extends LinearLayout { |
+ |
+ private static final int NO_MAX_WIDTH = -1; |
+ |
+ private final int mMaxWidth; |
+ |
+ /** |
+ * Constructor for inflating from XML. |
+ */ |
+ public BoundedLinearLayout(Context context, AttributeSet attrs) { |
+ super(context, attrs); |
+ TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BoundedView); |
+ mMaxWidth = a.getDimensionPixelSize(R.styleable.BoundedView_maxWidth, NO_MAX_WIDTH); |
+ a.recycle(); |
+ } |
+ |
+ @Override |
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
+ // Limit width to mMaxWidth. |
+ int widthSize = MeasureSpec.getSize(widthMeasureSpec); |
+ if (mMaxWidth != NO_MAX_WIDTH && widthSize > mMaxWidth) { |
+ int widthMode = MeasureSpec.getMode(widthMeasureSpec); |
+ if (widthMode == MeasureSpec.UNSPECIFIED) widthMode = MeasureSpec.AT_MOST; |
+ widthMeasureSpec = MeasureSpec.makeMeasureSpec(mMaxWidth, widthMode); |
+ } |
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
+ } |
+} |