1<!-- Copyright (C) 2017 The Android Open Source Project
2
3     Licensed under the Apache License, Version 2.0 (the "License");
4     you may not use this file except in compliance with the License.
5     You may obtain a copy of the License at
6
7          http://www.apache.org/licenses/LICENSE-2.0
8
9     Unless required by applicable law or agreed to in writing, software
10     distributed under the License is distributed on an "AS IS" BASIS,
11     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12     See the License for the specific language governing permissions and
13     limitations under the License.
14-->
15<template>
16  <div class="tree-view">
17    <div @click="clicked" :class="computedClass">
18      <span class="kind">{{item.kind}}</span><span v-if="item.kind && item.name"> - </span><span>{{item.name}}</span>
19      <div v-for="c in item.chips" :title="c.long" :class="chipClassForChip(c)">
20        {{c.short}}
21      </div>
22    </div>
23    <div class="children" v-if="children">
24      <tree-view v-for="(c,i) in children" :item="c" @item-selected="childItemSelected" :selected="selected" :key="i" :chip-class='chipClass' :filter="childFilter(c)" :flattened="flattened" :force-flattened="applyingFlattened" v-show="filterMatches(c)" ref='children' />
25    </div>
26  </div>
27</template>
28<script>
29import jsonProtoDefs from 'frameworks/base/core/proto/android/server/windowmanagertrace.proto'
30import protobuf from 'protobufjs'
31
32var protoDefs = protobuf.Root.fromJSON(jsonProtoDefs);
33var TraceMessage = protoDefs.lookupType(
34  "com.android.server.wm.WindowManagerTraceFileProto");
35var ServiceMessage = protoDefs.lookupType(
36  "com.android.server.wm.WindowManagerServiceDumpProto");
37
38export default {
39  name: 'tree-view',
40  props: ['item', 'selected', 'chipClass', 'filter', 'flattened', 'force-flattened'],
41  data() {
42    return {};
43  },
44  methods: {
45    selectNext(found, parent) {
46      if (found && this.filterMatches(this.item)) {
47        this.clicked();
48        return false;
49      }
50      if (this.selected === this.item) {
51        found = true;
52      }
53      if (this.$refs.children) {
54        for (var c of this.$refs.children) {
55          found = c.selectNext(found);
56        }
57      }
58      return found;
59    },
60    selectPrev(found) {
61      if (this.$refs.children) {
62        for (var c of [...this.$refs.children].reverse()) {
63          found = c.selectPrev(found);
64        }
65      }
66      if (found && this.filterMatches(this.item)) {
67        this.clicked();
68        return false;
69      }
70      if (this.selected === this.item) {
71        found = true;
72      }
73      return found;
74    },
75    childItemSelected(item) {
76      this.$emit('item-selected', item);
77    },
78    clicked() {
79      this.$emit('item-selected', this.item);
80    },
81    chipClassForChip(c) {
82      return ['tree-view-internal-chip', this.chipClassOrDefault,
83        this.chipClassOrDefault + '-' + (c.class || 'default')
84      ];
85    },
86    filterMatches(c) {
87      if (this.filter) {
88        return this.filter(c, this.applyingFlattened);
89      }
90      return true;
91    },
92    childFilter(c) {
93      if (this.filter && this.filter.includeChildren) {
94        if (this.filterMatches(c)) {
95          // Filter matched c, don't apply further filtering on c's children.
96          return undefined;
97        }
98      }
99      return this.filter;
100    },
101  },
102  computed: {
103    computedClass() {
104      return (this.item == this.selected) ? 'selected' : ''
105    },
106    chipClassOrDefault() {
107      return this.chipClass || 'tree-view-chip';
108    },
109    applyingFlattened() {
110      return this.flattened && this.item.flattened || this.forceFlattened;
111    },
112    children() {
113      return this.applyingFlattened ? this.item.flattened : this.item.children;
114    },
115  }
116}
117
118</script>
119<style>
120.children {
121  margin-left: 24px;
122}
123
124.kind {
125  color: #333;
126}
127
128.selected {
129  background-color: #3f51b5;
130  color: white;
131}
132
133.selected .kind {
134  color: #ccc;
135}
136
137.tree-view-internal-chip {
138  display: inline-block;
139}
140
141.tree-view-chip {
142  padding: 0 10px;
143  border-radius: 10px;
144  background-color: #aaa;
145  color: black;
146}
147
148.tree-view-chip.tree-view-chip-warn {
149  background-color: #ffaa6b;
150  color: black;
151}
152
153.tree-view-chip.tree-view-chip-error {
154  background-color: #ff6b6b;
155  color: black;
156}
157
158</style>
159