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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
import PropTypes from "devtools/client/shared/vendor/react-prop-types";
import { Component } from "devtools/client/shared/vendor/react";
import { toEditorLine, fromEditorLine } from "../../utils/editor/index";
import { isLineBlackboxed } from "../../utils/source";
import { isWasm } from "../../utils/wasm";
// This renders blackbox line highlighting in the editor
class BlackboxLines extends Component {
static get propTypes() {
return {
editor: PropTypes.object.isRequired,
selectedSource: PropTypes.object.isRequired,
blackboxedRangesForSelectedSource: PropTypes.array,
isSourceOnIgnoreList: PropTypes.bool,
};
}
componentDidMount() {
const { selectedSource, blackboxedRangesForSelectedSource, editor } =
this.props;
if (this.props.isSourceOnIgnoreList) {
this.setAllBlackboxLines(editor);
return;
}
// When `blackboxedRangesForSelectedSource` is defined and the array is empty,
// the whole source was blackboxed.
if (!blackboxedRangesForSelectedSource.length) {
this.setAllBlackboxLines(editor);
} else {
editor.codeMirror.operation(() => {
blackboxedRangesForSelectedSource.forEach(range => {
const start = toEditorLine(selectedSource.id, range.start.line);
// CodeMirror.eachLine doesn't include `end` line offset, so bump by one
const end = toEditorLine(selectedSource.id, range.end.line) + 1;
editor.codeMirror.eachLine(start, end, lineHandle => {
this.setBlackboxLine(editor, lineHandle);
});
});
});
}
}
componentDidUpdate() {
const {
selectedSource,
blackboxedRangesForSelectedSource,
editor,
isSourceOnIgnoreList,
} = this.props;
if (this.props.isSourceOnIgnoreList) {
this.setAllBlackboxLines(editor);
return;
}
// when unblackboxed
if (!blackboxedRangesForSelectedSource) {
this.clearAllBlackboxLines(editor);
return;
}
// When the whole source is blackboxed
if (!blackboxedRangesForSelectedSource.length) {
this.setAllBlackboxLines(editor);
return;
}
const sourceIsWasm = isWasm(selectedSource.id);
// TODO: Possible perf improvement. Instead of going
// over all the lines each time get diffs of what has
// changed and update those.
editor.codeMirror.operation(() => {
editor.codeMirror.eachLine(lineHandle => {
const line = fromEditorLine(
selectedSource.id,
editor.codeMirror.getLineNumber(lineHandle),
sourceIsWasm
);
if (
isLineBlackboxed(
blackboxedRangesForSelectedSource,
line,
isSourceOnIgnoreList
)
) {
this.setBlackboxLine(editor, lineHandle);
} else {
this.clearBlackboxLine(editor, lineHandle);
}
});
});
}
componentWillUnmount() {
// Lets make sure we remove everything relating to
// blackboxing lines when this component is unmounted.
this.clearAllBlackboxLines(this.props.editor);
}
clearAllBlackboxLines(editor) {
editor.codeMirror.operation(() => {
editor.codeMirror.eachLine(lineHandle => {
this.clearBlackboxLine(editor, lineHandle);
});
});
}
setAllBlackboxLines(editor) {
//TODO:We might be able to handle the whole source
// than adding the blackboxing line by line
editor.codeMirror.operation(() => {
editor.codeMirror.eachLine(lineHandle => {
this.setBlackboxLine(editor, lineHandle);
});
});
}
clearBlackboxLine(editor, lineHandle) {
editor.codeMirror.removeLineClass(lineHandle, "wrap", "blackboxed-line");
}
setBlackboxLine(editor, lineHandle) {
editor.codeMirror.addLineClass(lineHandle, "wrap", "blackboxed-line");
}
render() {
return null;
}
}
export default BlackboxLines;
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