This reverts commit c71814fa0c.
Reason for revert: multiple reports like https://imgur.com/ClTwpKw
Change-Id: Id2e22f7cfe875b294e140c35177368a5cdbd5756
		
	
		
			
				
	
	
		
			531 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			531 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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						||
 * @license
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 * Copyright (C) 2016 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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(function() {
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  'use strict';
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  const UNRESOLVED_EXPAND_COUNT = 5;
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  const NEWLINE_PATTERN = /\n/g;
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  /**
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   * @appliesMixin Gerrit.FireMixin
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   * @appliesMixin Gerrit.KeyboardShortcutMixin
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   * @appliesMixin Gerrit.PathListMixin
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   * @extends Polymer.Element
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   */
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  class GrCommentThread extends Polymer.mixinBehaviors( [
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    /**
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     * Not used in this element rather other elements tests
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     */
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    Gerrit.FireBehavior,
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    Gerrit.KeyboardShortcutBehavior,
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    Gerrit.PathListBehavior,
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  ], Polymer.GestureEventListeners(
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      Polymer.LegacyElementMixin(
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          Polymer.Element))) {
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    static get is() { return 'gr-comment-thread'; }
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    /**
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     * Fired when the thread should be discarded.
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     *
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     * @event thread-discard
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     */
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    /**
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     * Fired when a comment in the thread is permanently modified.
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     *
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     * @event thread-changed
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     */
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    /**
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     * gr-comment-thread exposes the following attributes that allow a
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     * diff widget like gr-diff to show the thread in the right location:
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     *
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     * line-num:
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     *     1-based line number or undefined if it refers to the entire file.
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     *
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						||
     * comment-side:
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     *     "left" or "right". These indicate which of the two diffed versions
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     *     the comment relates to. In the case of unified diff, the left
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						||
     *     version is the one whose line number column is further to the left.
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     *
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     * range:
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     *     The range of text that the comment refers to (start_line,
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     *     start_character, end_line, end_character), serialized as JSON. If
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     *     set, range's end_line will have the same value as line-num. Line
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     *     numbers are 1-based, char numbers are 0-based. The start position
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     *     (start_line, start_character) is inclusive, and the end position
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     *     (end_line, end_character) is exclusive.
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     */
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    static get properties() {
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      return {
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        changeNum: String,
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        comments: {
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          type: Array,
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          value() { return []; },
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						||
        },
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						||
        /**
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         * @type {?{start_line: number, start_character: number, end_line: number,
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         *          end_character: number}}
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         */
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        range: {
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          type: Object,
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          reflectToAttribute: true,
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						||
        },
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						||
        keyEventTarget: {
 | 
						||
          type: Object,
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          value() { return document.body; },
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        },
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        commentSide: {
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          type: String,
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          reflectToAttribute: true,
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        },
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        patchNum: String,
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						||
        path: String,
 | 
						||
        projectName: {
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						||
          type: String,
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						||
          observer: '_projectNameChanged',
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						||
        },
 | 
						||
        hasDraft: {
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          type: Boolean,
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						||
          notify: true,
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          reflectToAttribute: true,
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        },
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        isOnParent: {
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          type: Boolean,
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          value: false,
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        },
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        parentIndex: {
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          type: Number,
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          value: null,
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        },
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        rootId: {
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          type: String,
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          notify: true,
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          computed: '_computeRootId(comments.*)',
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        },
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        /**
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         * If this is true, the comment thread also needs to have the change and
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         * line properties property set
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         */
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        showFilePath: {
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          type: Boolean,
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          value: false,
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        },
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        /** Necessary only if showFilePath is true or when used with gr-diff */
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        lineNum: {
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          type: Number,
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          reflectToAttribute: true,
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        },
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        unresolved: {
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          type: Boolean,
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          notify: true,
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          reflectToAttribute: true,
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        },
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        _showActions: Boolean,
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        _lastComment: Object,
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        _orderedComments: Array,
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        _projectConfig: Object,
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        isRobotComment: {
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          type: Boolean,
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          value: false,
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          reflectToAttribute: true,
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        },
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      };
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    }
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    static get observers() {
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      return [
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        '_commentsChanged(comments.*)',
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      ];
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    }
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    get keyBindings() {
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      return {
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        'e shift+e': '_handleEKey',
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      };
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    }
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    /** @override */
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    created() {
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      super.created();
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      this.addEventListener('comment-update',
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          e => this._handleCommentUpdate(e));
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    }
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    /** @override */
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    attached() {
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      super.attached();
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      this._getLoggedIn().then(loggedIn => {
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        this._showActions = loggedIn;
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      });
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      this._setInitialExpandedState();
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    }
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    addOrEditDraft(opt_lineNum, opt_range) {
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      const lastComment = this.comments[this.comments.length - 1] || {};
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      if (lastComment.__draft) {
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        const commentEl = this._commentElWithDraftID(
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            lastComment.id || lastComment.__draftID);
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        commentEl.editing = true;
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        // If the comment was collapsed, re-open it to make it clear which
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        // actions are available.
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        commentEl.collapsed = false;
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      } else {
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        const range = opt_range ? opt_range :
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          lastComment ? lastComment.range : undefined;
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        const unresolved = lastComment ? lastComment.unresolved : undefined;
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        this.addDraft(opt_lineNum, range, unresolved);
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      }
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    }
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    addDraft(opt_lineNum, opt_range, opt_unresolved) {
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      const draft = this._newDraft(opt_lineNum, opt_range);
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      draft.__editing = true;
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      draft.unresolved = opt_unresolved === false ? opt_unresolved : true;
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      this.push('comments', draft);
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    }
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    fireRemoveSelf() {
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      this.dispatchEvent(new CustomEvent('thread-discard',
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          {detail: {rootId: this.rootId}, bubbles: false}));
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    }
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    _getDiffUrlForComment(projectName, changeNum, path, patchNum) {
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      return Gerrit.Nav.getUrlForDiffById(changeNum,
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          projectName, path, patchNum,
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          null, this.lineNum);
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						||
    }
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    _computeDisplayPath(path) {
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      const lineString = this.lineNum ? `#${this.lineNum}` : '';
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      return this.computeDisplayPath(path) + lineString;
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    }
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    _getLoggedIn() {
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      return this.$.restAPI.getLoggedIn();
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    }
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    _commentsChanged() {
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      this._orderedComments = this._sortedComments(this.comments);
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      this.updateThreadProperties();
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    }
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    updateThreadProperties() {
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      if (this._orderedComments.length) {
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        this._lastComment = this._getLastComment();
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        this.unresolved = this._lastComment.unresolved;
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        this.hasDraft = this._lastComment.__draft;
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						||
        this.isRobotComment = !!(this._lastComment.robot_id);
 | 
						||
      }
 | 
						||
    }
 | 
						||
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    _shouldDisableAction(_showActions, _lastComment) {
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      return !_showActions || !_lastComment || !!_lastComment.__draft;
 | 
						||
    }
 | 
						||
 | 
						||
    _hideActions(_showActions, _lastComment) {
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						||
      return this._shouldDisableAction(_showActions, _lastComment) ||
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        !!_lastComment.robot_id;
 | 
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    }
 | 
						||
 | 
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    _getLastComment() {
 | 
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      return this._orderedComments[this._orderedComments.length - 1] || {};
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						||
    }
 | 
						||
 | 
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    _handleEKey(e) {
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						||
      if (this.shouldSuppressKeyboardShortcut(e)) { return; }
 | 
						||
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      // Don’t preventDefault in this case because it will render the event
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						||
      // useless for other handlers (other gr-comment-thread elements).
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      if (e.detail.keyboardEvent.shiftKey) {
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        this._expandCollapseComments(true);
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						||
      } else {
 | 
						||
        if (this.modifierPressed(e)) { return; }
 | 
						||
        this._expandCollapseComments(false);
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						||
      }
 | 
						||
    }
 | 
						||
 | 
						||
    _expandCollapseComments(actionIsCollapse) {
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      const comments =
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          Polymer.dom(this.root).querySelectorAll('gr-comment');
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      for (const comment of comments) {
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        comment.collapsed = actionIsCollapse;
 | 
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      }
 | 
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    }
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    /**
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     * Sets the initial state of the comment thread.
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     * Expands the thread if one of the following is true:
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						||
     * - last {UNRESOLVED_EXPAND_COUNT} comments expanded by default if the
 | 
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     * thread is unresolved,
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     * - it's a robot comment.
 | 
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     */
 | 
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    _setInitialExpandedState() {
 | 
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      if (this._orderedComments) {
 | 
						||
        for (let i = 0; i < this._orderedComments.length; i++) {
 | 
						||
          const comment = this._orderedComments[i];
 | 
						||
          const isRobotComment = !!comment.robot_id;
 | 
						||
          // False if it's an unresolved comment under UNRESOLVED_EXPAND_COUNT.
 | 
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          const resolvedThread = !this.unresolved ||
 | 
						||
                this._orderedComments.length - i - 1 >= UNRESOLVED_EXPAND_COUNT;
 | 
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          comment.collapsed = !isRobotComment && resolvedThread;
 | 
						||
        }
 | 
						||
      }
 | 
						||
    }
 | 
						||
 | 
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    _sortedComments(comments) {
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						||
      return comments.slice().sort((c1, c2) => {
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        const c1Date = c1.__date || util.parseDate(c1.updated);
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						||
        const c2Date = c2.__date || util.parseDate(c2.updated);
 | 
						||
        const dateCompare = c1Date - c2Date;
 | 
						||
        // Ensure drafts are at the end. There should only be one but in edge
 | 
						||
        // cases could be more. In the unlikely event two drafts are being
 | 
						||
        // compared, use the typical date compare.
 | 
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        if (c2.__draft && !c1.__draft ) { return -1; }
 | 
						||
        if (c1.__draft && !c2.__draft ) { return 1; }
 | 
						||
        if (dateCompare === 0 && (!c1.id || !c1.id.localeCompare)) { return 0; }
 | 
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        // If same date, fall back to sorting by id.
 | 
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        return dateCompare ? dateCompare : c1.id.localeCompare(c2.id);
 | 
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      });
 | 
						||
    }
 | 
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 | 
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    _createReplyComment(parent, content, opt_isEditing,
 | 
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        opt_unresolved) {
 | 
						||
      this.$.reporting.recordDraftInteraction();
 | 
						||
      const reply = this._newReply(
 | 
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          this._orderedComments[this._orderedComments.length - 1].id,
 | 
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          parent.line,
 | 
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          content,
 | 
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          opt_unresolved,
 | 
						||
          parent.range);
 | 
						||
 | 
						||
      // If there is currently a comment in an editing state, add an attribute
 | 
						||
      // so that the gr-comment knows not to populate the draft text.
 | 
						||
      for (let i = 0; i < this.comments.length; i++) {
 | 
						||
        if (this.comments[i].__editing) {
 | 
						||
          reply.__otherEditing = true;
 | 
						||
          break;
 | 
						||
        }
 | 
						||
      }
 | 
						||
 | 
						||
      if (opt_isEditing) {
 | 
						||
        reply.__editing = true;
 | 
						||
      }
 | 
						||
 | 
						||
      this.push('comments', reply);
 | 
						||
 | 
						||
      if (!opt_isEditing) {
 | 
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        // Allow the reply to render in the dom-repeat.
 | 
						||
        this.async(() => {
 | 
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          const commentEl = this._commentElWithDraftID(reply.__draftID);
 | 
						||
          commentEl.save();
 | 
						||
        }, 1);
 | 
						||
      }
 | 
						||
    }
 | 
						||
 | 
						||
    _isDraft(comment) {
 | 
						||
      return !!comment.__draft;
 | 
						||
    }
 | 
						||
 | 
						||
    /**
 | 
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     * @param {boolean=} opt_quote
 | 
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     */
 | 
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    _processCommentReply(opt_quote) {
 | 
						||
      const comment = this._lastComment;
 | 
						||
      let quoteStr;
 | 
						||
      if (opt_quote) {
 | 
						||
        const msg = comment.message;
 | 
						||
        quoteStr = '> ' + msg.replace(NEWLINE_PATTERN, '\n> ') + '\n\n';
 | 
						||
      }
 | 
						||
      this._createReplyComment(comment, quoteStr, true, comment.unresolved);
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentReply(e) {
 | 
						||
      this._processCommentReply();
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentQuote(e) {
 | 
						||
      this._processCommentReply(true);
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentAck(e) {
 | 
						||
      const comment = this._lastComment;
 | 
						||
      this._createReplyComment(comment, 'Ack', false, false);
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentDone(e) {
 | 
						||
      const comment = this._lastComment;
 | 
						||
      this._createReplyComment(comment, 'Done', false, false);
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentFix(e) {
 | 
						||
      const comment = e.detail.comment;
 | 
						||
      const msg = comment.message;
 | 
						||
      const quoteStr = '> ' + msg.replace(NEWLINE_PATTERN, '\n> ') + '\n\n';
 | 
						||
      const response = quoteStr + 'Please fix.';
 | 
						||
      this._createReplyComment(comment, response, false, true);
 | 
						||
    }
 | 
						||
 | 
						||
    _commentElWithDraftID(id) {
 | 
						||
      const els = Polymer.dom(this.root).querySelectorAll('gr-comment');
 | 
						||
      for (const el of els) {
 | 
						||
        if (el.comment.id === id || el.comment.__draftID === id) {
 | 
						||
          return el;
 | 
						||
        }
 | 
						||
      }
 | 
						||
      return null;
 | 
						||
    }
 | 
						||
 | 
						||
    _newReply(inReplyTo, opt_lineNum, opt_message, opt_unresolved,
 | 
						||
        opt_range) {
 | 
						||
      const d = this._newDraft(opt_lineNum);
 | 
						||
      d.in_reply_to = inReplyTo;
 | 
						||
      d.range = opt_range;
 | 
						||
      if (opt_message != null) {
 | 
						||
        d.message = opt_message;
 | 
						||
      }
 | 
						||
      if (opt_unresolved !== undefined) {
 | 
						||
        d.unresolved = opt_unresolved;
 | 
						||
      }
 | 
						||
      return d;
 | 
						||
    }
 | 
						||
 | 
						||
    /**
 | 
						||
     * @param {number=} opt_lineNum
 | 
						||
     * @param {!Object=} opt_range
 | 
						||
     */
 | 
						||
    _newDraft(opt_lineNum, opt_range) {
 | 
						||
      const d = {
 | 
						||
        __draft: true,
 | 
						||
        __draftID: Math.random().toString(36),
 | 
						||
        __date: new Date(),
 | 
						||
        path: this.path,
 | 
						||
        patchNum: this.patchNum,
 | 
						||
        side: this._getSide(this.isOnParent),
 | 
						||
        __commentSide: this.commentSide,
 | 
						||
      };
 | 
						||
      if (opt_lineNum) {
 | 
						||
        d.line = opt_lineNum;
 | 
						||
      }
 | 
						||
      if (opt_range) {
 | 
						||
        d.range = opt_range;
 | 
						||
      }
 | 
						||
      if (this.parentIndex) {
 | 
						||
        d.parent = this.parentIndex;
 | 
						||
      }
 | 
						||
      return d;
 | 
						||
    }
 | 
						||
 | 
						||
    _getSide(isOnParent) {
 | 
						||
      if (isOnParent) { return 'PARENT'; }
 | 
						||
      return 'REVISION';
 | 
						||
    }
 | 
						||
 | 
						||
    _computeRootId(comments) {
 | 
						||
      // Keep the root ID even if the comment was removed, so that notification
 | 
						||
      // to sync will know which thread to remove.
 | 
						||
      if (!comments.base.length) { return this.rootId; }
 | 
						||
      const rootComment = comments.base[0];
 | 
						||
      return rootComment.id || rootComment.__draftID;
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentDiscard(e) {
 | 
						||
      const diffCommentEl = Polymer.dom(e).rootTarget;
 | 
						||
      const comment = diffCommentEl.comment;
 | 
						||
      const idx = this._indexOf(comment, this.comments);
 | 
						||
      if (idx == -1) {
 | 
						||
        throw Error('Cannot find comment ' +
 | 
						||
            JSON.stringify(diffCommentEl.comment));
 | 
						||
      }
 | 
						||
      this.splice('comments', idx, 1);
 | 
						||
      if (this.comments.length === 0) {
 | 
						||
        this.fireRemoveSelf();
 | 
						||
      }
 | 
						||
      this._handleCommentSavedOrDiscarded(e);
 | 
						||
 | 
						||
      // Check to see if there are any other open comments getting edited and
 | 
						||
      // set the local storage value to its message value.
 | 
						||
      for (const changeComment of this.comments) {
 | 
						||
        if (changeComment.__editing) {
 | 
						||
          const commentLocation = {
 | 
						||
            changeNum: this.changeNum,
 | 
						||
            patchNum: this.patchNum,
 | 
						||
            path: changeComment.path,
 | 
						||
            line: changeComment.line,
 | 
						||
          };
 | 
						||
          return this.$.storage.setDraftComment(commentLocation,
 | 
						||
              changeComment.message);
 | 
						||
        }
 | 
						||
      }
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentSavedOrDiscarded(e) {
 | 
						||
      this.dispatchEvent(new CustomEvent('thread-changed',
 | 
						||
          {detail: {rootId: this.rootId, path: this.path},
 | 
						||
            bubbles: false}));
 | 
						||
    }
 | 
						||
 | 
						||
    _handleCommentUpdate(e) {
 | 
						||
      const comment = e.detail.comment;
 | 
						||
      const index = this._indexOf(comment, this.comments);
 | 
						||
      if (index === -1) {
 | 
						||
        // This should never happen: comment belongs to another thread.
 | 
						||
        console.warn('Comment update for another comment thread.');
 | 
						||
        return;
 | 
						||
      }
 | 
						||
      this.set(['comments', index], comment);
 | 
						||
      // Because of the way we pass these comment objects around by-ref, in
 | 
						||
      // combination with the fact that Polymer does dirty checking in
 | 
						||
      // observers, the this.set() call above will not cause a thread update in
 | 
						||
      // some situations.
 | 
						||
      this.updateThreadProperties();
 | 
						||
    }
 | 
						||
 | 
						||
    _indexOf(comment, arr) {
 | 
						||
      for (let i = 0; i < arr.length; i++) {
 | 
						||
        const c = arr[i];
 | 
						||
        if ((c.__draftID != null && c.__draftID == comment.__draftID) ||
 | 
						||
            (c.id != null && c.id == comment.id)) {
 | 
						||
          return i;
 | 
						||
        }
 | 
						||
      }
 | 
						||
      return -1;
 | 
						||
    }
 | 
						||
 | 
						||
    _computeHostClass(unresolved) {
 | 
						||
      if (this.isRobotComment) {
 | 
						||
        return 'robotComment';
 | 
						||
      }
 | 
						||
      return unresolved ? 'unresolved' : '';
 | 
						||
    }
 | 
						||
 | 
						||
    /**
 | 
						||
     * Load the project config when a project name has been provided.
 | 
						||
     *
 | 
						||
     * @param {string} name The project name.
 | 
						||
     */
 | 
						||
    _projectNameChanged(name) {
 | 
						||
      if (!name) { return; }
 | 
						||
      this.$.restAPI.getProjectConfig(name).then(config => {
 | 
						||
        this._projectConfig = config;
 | 
						||
      });
 | 
						||
    }
 | 
						||
  }
 | 
						||
 | 
						||
  customElements.define(GrCommentThread.is, GrCommentThread);
 | 
						||
})();
 |