1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// Copyright (C) 2019 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.
import {searchSegment} from '../base/binary_search';
import {Actions} from '../common/actions';
import {toNs} from '../common/time';
import {globals} from './globals';
import {scrollToTrackAndTs} from './scroll_helper';
function setToPrevious(current: number) {
globals.frontendLocalState.setSearchIndex(Math.max(current - 1, 0));
}
function setToNext(current: number) {
globals.frontendLocalState.setSearchIndex(
Math.min(current + 1, globals.currentSearchResults.totalResults - 1));
}
export function executeSearch(reverse = false) {
const state = globals.frontendLocalState;
const index = state.searchIndex;
const startNs = toNs(globals.frontendLocalState.visibleWindowTime.start);
const endNs = toNs(globals.frontendLocalState.visibleWindowTime.end);
const currentTs = globals.currentSearchResults.tsStarts[index];
// If this is a new search or the currentTs is not in the viewport,
// select the first/last item in the viewport.
if (index === -1 || currentTs < startNs || currentTs > endNs) {
if (reverse) {
const [smaller,] =
searchSegment(globals.currentSearchResults.tsStarts, endNs);
// If there is no item in the viewport just go to the previous.
smaller === -1 ? setToPrevious(index) :
globals.frontendLocalState.setSearchIndex(smaller);
} else {
const [, larger] =
searchSegment(globals.currentSearchResults.tsStarts, startNs);
// If there is no item in the viewport just go to the next.
larger === -1 ? setToNext(index) :
globals.frontendLocalState.setSearchIndex(larger);
}
} else {
// If the currentTs is in the viewport, increment the index.
if (reverse) {
setToPrevious(index);
} else {
setToNext(index);
}
}
selectCurrentSearchResult();
// TODO(hjd): If the user does a search before any other selection,
// the details panel will pop up when the search is executed. If the search
// result is behind where the details panel appears then it won't get scrolled
// to. This time delay is a workaround for this specific situation.
// A better solution will be a callback that allows something to happen on the
// first redraw after an Action is applied.
const delay = index === -1 ? 50 : 0;
setTimeout(() => moveViewportToCurrentSearch(), delay);
}
function moveViewportToCurrentSearch() {
const searchIndex = globals.frontendLocalState.searchIndex;
if (searchIndex === -1) return;
const currentTs = globals.currentSearchResults.tsStarts[searchIndex];
const trackId = globals.currentSearchResults.trackIds[searchIndex];
scrollToTrackAndTs(trackId, currentTs);
}
function selectCurrentSearchResult() {
const state = globals.frontendLocalState;
const searchIndex = state.searchIndex;
const source = globals.currentSearchResults.sources[searchIndex];
const currentId = globals.currentSearchResults.sliceIds[searchIndex];
const trackId = globals.currentSearchResults.trackIds[searchIndex];
if (currentId === undefined) return;
if (source === 'cpu') {
globals.dispatch(Actions.selectSlice({id: currentId, trackId}));
} else {
// Search results only include slices from the slice table for now.
// When we include annotations we need to pass the correct table.
globals.dispatch(
Actions.selectChromeSlice({id: currentId, trackId, table: 'slice'}));
}
}
|
