Update widget full sheet / bottom sheet to have top rounded corners.

Bug: 71775241

Change-Id: I11b5adc555f48f44cf8167e8699cae1dfe164736

2 files changed, 63 insertions, 0 deletions

diff --git a/src/com/android/launcher3/views/TopRoundedCornerView.java b/src/com/android/launcher3/views/TopRoundedCornerView.java
new file mode 100644
index 000000000..ba223c498
--- /dev/null
+++ b/src/com/android/launcher3/views/TopRoundedCornerView.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2018 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.launcher3.views;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Path;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+import com.android.launcher3.R;
+
+/**
+ * View with top rounded corners.
+ */
+public class TopRoundedCornerView extends FrameLayout {
+
+    private final RectF mRect = new RectF();
+    private final Path mClipPath = new Path();
+    private float[] mRadii;
+
+    public TopRoundedCornerView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+
+        int radius = getResources().getDimensionPixelSize(R.dimen.bg_round_rect_radius);
+        mRadii = new float[] {radius, radius, radius, radius, 0, 0, 0, 0};
+    }
+
+    public TopRoundedCornerView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        canvas.save();
+        canvas.clipPath(mClipPath);
+        super.draw(canvas);
+        canvas.restore();
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        mRect.set(0, 0, getMeasuredWidth(), getMeasuredHeight());
+        mClipPath.reset();
+        mClipPath.addRoundRect(mRect, mRadii, Path.Direction.CW);
+    }
+}
diff --git a/src/com/android/launcher3/widget/WidgetsFullSheet.java b/src/com/android/launcher3/widget/WidgetsFullSheet.java
index d62a90964..e461afc20 100644
--- a/src/com/android/launcher3/widget/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsFullSheet.java
@@ -115,6 +115,7 @@ public class WidgetsFullSheet extends BaseWidgetSheet
             mGradientView.setVisibility(View.INVISIBLE);
             widthUsed = 0;
         } else {
+            mGradientView.setVisibility(View.VISIBLE);
             Rect padding = mLauncher.getDeviceProfile().workspacePadding;
             widthUsed = Math.max(padding.left + padding.right,
                     2 * (mInsets.left + mInsets.right));