Merge "Set the widgets pickers' width to at most 80% of screen width on large screen devices" into sc-v2-dev

src/com/android/launcher3/widget/BaseWidgetSheet.java

@@ -51,6 +51,11 @@ import com.android.launcher3.views.ArrowTipView;
 public abstract class BaseWidgetSheet extends AbstractSlideInView<Launcher>
         implements OnClickListener, OnLongClickListener, DragSource,
         PopupDataProvider.PopupDataChangeListener, Insettable {
+    /**
+     * The maximum scale, [0, 1], of the device screen width that the widgets picker can consume
+     * on large screen devices.
+     */
+    protected static final float MAX_WIDTH_SCALE_FOR_LARGER_SCREEN = 0.8f;
 
     protected static final String KEY_WIDGETS_EDUCATION_TIP_SEEN =
             "launcher.widgets_education_tip_seen";
@@ -131,6 +136,15 @@ public abstract class BaseWidgetSheet extends AbstractSlideInView<Launcher>
                     2 * (mInsets.left + mInsets.right));
         }
 
+        if (deviceProfile.isTablet || deviceProfile.isTwoPanels) {
+            // In large screen devices, we restrict the width of the widgets picker to show part of
+            // the home screen. Let's ensure the minimum width used is at least the minimum width
+            // that isn't taken by the widgets picker.
+            int minUsedWidth = (int) (deviceProfile.availableWidthPx
+                    * (1 - MAX_WIDTH_SCALE_FOR_LARGER_SCREEN));
+            widthUsed = Math.max(widthUsed, minUsedWidth);
+        }
+
         int heightUsed = mInsets.top + deviceProfile.edgeMarginPx;
         measureChildWithMargins(mContent, widthMeasureSpec,
                 widthUsed, heightMeasureSpec, heightUsed);