am 5906f587: Merge "Use non-greedy view to draw background in landscape time picker" into mnc-dev

* commit '5906f587713c94c42e2a30a24ca9257ea9657b30':
  Use non-greedy view to draw background in landscape time picker

core/java/com/android/internal/widget/DrawingSpace.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * Implementation of {@link android.widget.Space} that uses normal View drawing
+ * rather than a no-op. Useful for dialogs and other places where the base View
+ * class is too greedy when measured with AT_MOST.
+ */
+public final class DrawingSpace extends View {
+    public DrawingSpace(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public DrawingSpace(Context context, AttributeSet attrs, int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public DrawingSpace(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public DrawingSpace(Context context) {
+        this(context, null);
+    }
+
+    /**
+     * Compare to: {@link View#getDefaultSize(int, int)}
+     * <p>
+     * If mode is AT_MOST, return the child size instead of the parent size
+     * (unless it is too big).
+     */
+    private static int getDefaultSizeNonGreedy(int size, int measureSpec) {
+        int result = size;
+        int specMode = MeasureSpec.getMode(measureSpec);
+        int specSize = MeasureSpec.getSize(measureSpec);
+
+        switch (specMode) {
+            case MeasureSpec.UNSPECIFIED:
+                result = size;
+                break;
+            case MeasureSpec.AT_MOST:
+                result = Math.min(size, specSize);
+                break;
+            case MeasureSpec.EXACTLY:
+                result = specSize;
+                break;
+        }
+        return result;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        setMeasuredDimension(
+                getDefaultSizeNonGreedy(getSuggestedMinimumWidth(), widthMeasureSpec),
+                getDefaultSizeNonGreedy(getSuggestedMinimumHeight(), heightMeasureSpec));
+    }
+}

core/res/res/layout-land/time_picker_material.xml

@@ -21,7 +21,7 @@
             android:layoutDirection="ltr">
 
     <!-- Provides a background for the time layout that extends into the button bar area. -->
-    <View
+    <com.android.internal.widget.DrawingSpace
         android:id="@+id/time_header"
         android:layout_width="0dp"
         android:layout_height="wrap_content"