Quelle SnapshotListItem.js Sprache: JAVA

/* 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/. */

"use strict";

const {
  Component,
} = require("resource://devtools/client/shared/vendor/react.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
const {
  L10N,
  getSnapshotTitle,
  getSnapshotTotals,
  getStatusText,
  snapshotIsDiffable,
  getSavedCensus,
} = require("resource://devtools/client/memory/utils.js");
const {
  diffingState,
} = require("resource://devtools/client/memory/constants.js");
const {
  snapshot: snapshotModel,
  app: appModel,
} = require("resource://devtools/client/memory/models.js");

class SnapshotListItem extends Component {
  static get propTypes() {
    return {
      onClick: PropTypes.func.isRequired,
      onSave: PropTypes.func.isRequired,
      onDelete: PropTypes.func.isRequired,
      item: snapshotModel.isRequired,
      index: PropTypes.number.isRequired,
      diffing: appModel.diffing,
    };
  }

  render() {
    const { item: snapshot, onClick, onSave, onDelete, diffing } = this.props;
    let className = `snapshot-list-item ${
      snapshot.selected ? " selected" : ""
    }`;
    let statusText = getStatusText(snapshot.state);
    let wantThrobber = !!statusText;
    const title = getSnapshotTitle(snapshot);

    const selectedForDiffing =
      diffing &&
      (diffing.firstSnapshotId === snapshot.id ||
        diffing.secondSnapshotId === snapshot.id);

    let checkbox;
    if (diffing && snapshotIsDiffable(snapshot)) {
      if (diffing.state === diffingState.SELECTING) {
        wantThrobber = false;
      }

      const checkboxAttrs = {
        type: "checkbox",
        checked: false,
      };

      if (selectedForDiffing) {
        checkboxAttrs.checked = true;
        checkboxAttrs.disabled = true;
        className += " selected";
        statusText = L10N.getStr(
          diffing.firstSnapshotId === snapshot.id
            ? "diffing.baseline"
            : "diffing.comparison"
        );
      }

      if (selectedForDiffing || diffing.state == diffingState.SELECTING) {
        checkbox = dom.input(checkboxAttrs);
      }
    }

    let details;
    if (!selectedForDiffing) {
      // See if a tree map or census is in the read state.
      const census = getSavedCensus(snapshot);

      // If there is census data, fill in the total bytes.
      if (census) {
        const { bytes } = getSnapshotTotals(census);
        const formatBytes = L10N.getFormatStr(
          "aggregate.mb",
          L10N.numberWithDecimals(bytes / 1000000, 2)
        );

        details = dom.span(
          { className: "snapshot-totals" },
          dom.span({ className: "total-bytes" }, formatBytes)
        );
      }
    }
    if (!details) {
      details = dom.span({ className: "snapshot-state" }, statusText);
    }

    const saveLink = !snapshot.path
      ? void 0
      : dom.a(
          {
            onClick: () => onSave(snapshot),
            className: "save",
          },
          L10N.getStr("snapshot.io.save")
        );

    const deleteButton = !snapshot.path
      ? void 0
      : dom.button({
          onClick: event => {
            event.stopPropagation();
            onDelete(snapshot);
          },
          className: "delete",
          title: L10N.getStr("snapshot.io.delete"),
        });

    return dom.li(
      { className, onClick },
      dom.span(
        {
          className: `snapshot-title ${
            wantThrobber ? " devtools-throbber" : ""
          }`,
        },
        checkbox,
        title,
        deleteButton
      ),
      dom.span({ className: "snapshot-info" }, details, saveLink)
    );
  }
}

module.exports = SnapshotListItem;

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