1 files changed, 116 insertions, 0 deletions
diff --git a/android/slice/views/LargeTemplateView.java b/android/slice/views/LargeTemplateView.java
new file mode 100644
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+++ b/android/slice/views/LargeTemplateView.java
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+/*
+ * Copyright (C) 2017 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 android.slice.views;
+
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
+
+import android.content.Context;
+import android.slice.Slice;
+import android.slice.SliceItem;
+import android.slice.SliceQuery;
+import android.slice.views.SliceView.SliceModeView;
+import android.util.TypedValue;
+
+import com.android.internal.widget.LinearLayoutManager;
+import com.android.internal.widget.RecyclerView;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @hide
+ */
+public class LargeTemplateView extends SliceModeView {
+    private final LargeSliceAdapter mAdapter;
+    private final RecyclerView mRecyclerView;
+    private final int mDefaultHeight;
+    private final int mMaxHeight;
+    private Slice mSlice;
+
+    public LargeTemplateView(Context context) {
+        super(context);
+
+        mRecyclerView = new RecyclerView(getContext());
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        mAdapter = new LargeSliceAdapter(context);
+        mRecyclerView.setAdapter(mAdapter);
+        addView(mRecyclerView);
+        int width = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 300,
+                getResources().getDisplayMetrics());
+        setLayoutParams(new LayoutParams(width, WRAP_CONTENT));
+        mDefaultHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 200,
+                getResources().getDisplayMetrics());
+        mMaxHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 200,
+                getResources().getDisplayMetrics());
+    }
+
+    @Override
+    public String getMode() {
+        return SliceView.MODE_LARGE;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        mRecyclerView.getLayoutParams().height = WRAP_CONTENT;
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        if (mRecyclerView.getMeasuredHeight() > mMaxHeight
+                || mSlice.hasHint(Slice.HINT_PARTIAL)) {
+            mRecyclerView.getLayoutParams().height = mDefaultHeight;
+        } else {
+            mRecyclerView.getLayoutParams().height = mRecyclerView.getMeasuredHeight();
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @Override
+    public void setSlice(Slice slice) {
+        SliceItem color = SliceQuery.find(slice, SliceItem.TYPE_COLOR);
+        mSlice = slice;
+        List<SliceItem> items = new ArrayList<>();
+        boolean[] hasHeader = new boolean[1];
+        if (slice.hasHint(Slice.HINT_LIST)) {
+            addList(slice, items);
+        } else {
+            Arrays.asList(slice.getItems()).forEach(item -> {
+                if (item.hasHint(Slice.HINT_ACTIONS)) {
+                    return;
+                } else if (item.getType() == SliceItem.TYPE_COLOR) {
+                    return;
+                } else if (item.getType() == SliceItem.TYPE_SLICE
+                        && item.hasHint(Slice.HINT_LIST)) {
+                    addList(item.getSlice(), items);
+                } else if (item.hasHint(Slice.HINT_LIST_ITEM)) {
+                    items.add(item);
+                } else if (!hasHeader[0]) {
+                    hasHeader[0] = true;
+                    items.add(0, item);
+                } else {
+                    item.addHint(Slice.HINT_LIST_ITEM);
+                    items.add(item);
+                }
+            });
+        }
+        mAdapter.setSliceItems(items, color);
+    }
+
+    private void addList(Slice slice, List<SliceItem> items) {
+        List<SliceItem> sliceItems = Arrays.asList(slice.getItems());
+        sliceItems.forEach(i -> i.addHint(Slice.HINT_LIST_ITEM));
+        items.addAll(sliceItems);
+    }
+}