1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.ahat;
18 
19 import com.android.tools.perflib.heap.Heap;
20 import java.util.ArrayList;
21 import java.util.Collections;
22 import java.util.List;
23 
24 class SitePrinter {
printSite(AhatSnapshot snapshot, Doc doc, Query query, String id, Site site)25   public static void printSite(AhatSnapshot snapshot, Doc doc, Query query, String id, Site site) {
26     List<Site> path = new ArrayList<Site>();
27     for (Site parent = site; parent != null; parent = parent.getParent()) {
28       path.add(parent);
29     }
30     Collections.reverse(path);
31 
32 
33     HeapTable.TableConfig<Site> table = new HeapTable.TableConfig<Site>() {
34       public String getHeapsDescription() {
35         return "Reachable Bytes Allocated on Heap";
36       }
37 
38       public long getSize(Site element, Heap heap) {
39         return element.getSize(heap.getName());
40       }
41 
42       public List<HeapTable.ValueConfig<Site>> getValueConfigs() {
43         HeapTable.ValueConfig<Site> value = new HeapTable.ValueConfig<Site>() {
44           public String getDescription() {
45             return "Stack Frame";
46           }
47 
48           public DocString render(Site element) {
49             DocString str = new DocString();
50             if (element.getParent() != null) {
51               str.append("→ ");
52             }
53             str.appendLink(
54                 DocString.formattedUri("site?stack=%d&depth=%d",
55                     element.getStackId(), element.getStackDepth()),
56                 DocString.text(element.getName()));
57             return str;
58           }
59         };
60         return Collections.singletonList(value);
61       }
62     };
63     HeapTable.render(doc, query, id, table, snapshot, path);
64   }
65 }
66