Ensure that clipping widget size is 20~40% of its width on every devices
b/20338324
b/20763871
Change-Id: I69114cb6dfec95c473313a440a6db76a052e5601
diff --git a/src/com/android/launcher3/widget/WidgetRowView.java b/src/com/android/launcher3/widget/WidgetRowView.java
new file mode 100644
index 0000000..05760ae
--- /dev/null
+++ b/src/com/android/launcher3/widget/WidgetRowView.java
@@ -0,0 +1,74 @@
+/*
+ * 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.launcher3.widget;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.AttributeSet;
+import android.widget.LinearLayout;
+
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.DynamicGrid;
+import com.android.launcher3.LauncherAppState;
+
+/**
+ * Represents the individual cell of the widget inside the widget tray.
+ */
+public class WidgetRowView extends LinearLayout {
+
+ private static final int PRESET_INDENT_SIZE_TABLET = 56;
+
+ /** Widget row width is calculated by multiplying this factor to grid cell width. */
+ private static final float HEIGHT_SCALE = 2.8f;
+
+ static int sIndent = 0;
+ static int sHeight = 0;
+
+ public WidgetRowView(Context context) {
+ this(context, null);
+ }
+
+ public WidgetRowView(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public WidgetRowView(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ setContainerHeight();
+ setWillNotDraw(false);
+ setClipToPadding(false);
+ setAccessibilityDelegate(LauncherAppState.getInstance().getAccessibilityDelegate());
+ }
+
+ /**
+ * Sets the widget cell container size based on the physical dimension of the device.
+ */
+ private void setContainerHeight() {
+ // Do nothing if already set
+ if (sHeight > 0) {
+ return;
+ }
+
+ Resources r = getResources();
+ DeviceProfile profile = LauncherAppState.getInstance().getDynamicGrid().getDeviceProfile();
+ if (profile.isLargeTablet || profile.isTablet) {
+ sIndent = DynamicGrid.pxFromDp(PRESET_INDENT_SIZE_TABLET, r.getDisplayMetrics());
+ }
+ sHeight = (int) (profile.cellWidthPx * HEIGHT_SCALE);
+ }
+}