| // 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'; |
| |
| 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); |
| globals.frontendLocalState.setSearchIndex(smaller); |
| } else { |
| const [, larger] = |
| searchSegment(globals.currentSearchResults.tsStarts, startNs); |
| globals.frontendLocalState.setSearchIndex(larger); |
| } |
| } else { |
| // If the currentTs is in the viewport, increment the index. |
| if (reverse) { |
| globals.frontendLocalState.setSearchIndex(Math.max(index - 1, 0)); |
| } else { |
| globals.frontendLocalState.setSearchIndex(Math.min( |
| index + 1, globals.currentSearchResults.sliceIds.length - 1)); |
| } |
| } |
| selectCurrentSearchResult(); |
| |
| // TODO(taylori): 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 refType = globals.currentSearchResults.refTypes[searchIndex]; |
| const currentId = globals.currentSearchResults.sliceIds[searchIndex]; |
| const trackId = globals.currentSearchResults.trackIds[searchIndex]; |
| |
| if (currentId === undefined) return; |
| |
| if (refType === 'cpu') { |
| globals.dispatch(Actions.selectSlice({id: currentId, trackId})); |
| } else { |
| globals.dispatch(Actions.selectChromeSlice({id: currentId, trackId})); |
| } |
| } |