blob: 557c213a54f83c1f20366c2471bb4003ae73f44d [file] [log] [blame]
// Copyright (C) 2016 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.
(function() {
'use strict';
var COMMIT_MESSAGE_PATH = '/COMMIT_MSG';
Polymer({
is: 'gr-diff-view',
/**
* Fired when the title of the page should change.
*
* @event title-change
*/
properties: {
prefs: {
type: Object,
notify: true,
},
/**
* URL params passed from the router.
*/
params: {
type: Object,
observer: '_paramsChanged',
},
keyEventTarget: {
type: Object,
value: function() { return document.body; },
},
changeViewState: {
type: Object,
notify: true,
value: function() { return {}; },
},
_patchRange: Object,
_change: Object,
_changeNum: String,
_diff: Object,
_fileList: {
type: Array,
value: function() { return []; },
},
_path: {
type: String,
observer: '_pathChanged',
},
_loggedIn: {
type: Boolean,
value: false,
},
_xhrPromise: Object, // Used for testing.
},
behaviors: [
Gerrit.KeyboardShortcutBehavior,
Gerrit.RESTClientBehavior,
],
ready: function() {
app.accountReady.then(function() {
this._loggedIn = app.loggedIn;
if (this._loggedIn) {
this._setReviewed(true);
}
}.bind(this));
},
attached: function() {
if (this._path) {
this.fire('title-change',
{title: this._computeFileDisplayName(this._path)});
}
window.addEventListener('resize', this._boundWindowResizeHandler);
},
detached: function() {
window.removeEventListener('resize', this._boundWindowResizeHandler);
},
_handleReviewedChange: function(e) {
this._setReviewed(Polymer.dom(e).rootTarget.checked);
},
_setReviewed: function(reviewed) {
this.$.reviewed.checked = reviewed;
var method = reviewed ? 'PUT' : 'DELETE';
var url = this.changeBaseURL(this._changeNum,
this._patchRange.patchNum) + '/files/' +
encodeURIComponent(this._path) + '/reviewed';
this._send(method, url).catch(function(err) {
alert('Couldn’t change file review status. Check the console ' +
'and contact the PolyGerrit team for assistance.');
throw err;
}.bind(this));
},
_handleKey: function(e) {
if (this.shouldSupressKeyboardShortcut(e)) { return; }
switch (e.keyCode) {
case 219: // '['
e.preventDefault();
this._navToFile(this._fileList, -1);
break;
case 221: // ']'
e.preventDefault();
this._navToFile(this._fileList, 1);
break;
case 78: // 'n'
e.preventDefault();
if (e.shiftKey) {
this.$.diff.scrollToNextCommentThread();
} else {
this.$.diff.scrollToNextDiffChunk();
}
break;
case 80: // 'p'
e.preventDefault();
if (e.shiftKey) {
this.$.diff.scrollToPreviousCommentThread();
} else {
this.$.diff.scrollToPreviousDiffChunk();
}
break;
case 65: // 'a'
if (!this._loggedIn) { return; }
this.set('changeViewState.showReplyDialog', true);
/* falls through */ // required by JSHint
case 85: // 'u'
if (this._changeNum && this._patchRange.patchNum) {
e.preventDefault();
page.show(this._computeChangePath(
this._changeNum,
this._patchRange.patchNum,
this._change && this._change.revisions));
}
break;
case 188: // ','
e.preventDefault();
this.$.diff.showDiffPreferences();
break;
}
},
_handleDiffRender: function() {
if (window.location.hash.length > 0) {
this.$.diff.scrollToLine(
parseInt(window.location.hash.substring(1), 10));
}
},
_navToFile: function(fileList, direction) {
if (fileList.length == 0) { return; }
var idx = fileList.indexOf(this._path) + direction;
if (idx < 0 || idx > fileList.length - 1) {
page.show(this._computeChangePath(
this._changeNum,
this._patchRange.patchNum,
this._change && this._change.revisions));
return;
}
page.show(this._computeDiffURL(this._changeNum,
this._patchRange,
fileList[idx]));
},
_paramsChanged: function(value) {
if (value.view != this.tagName.toLowerCase()) { return; }
this._changeNum = value.changeNum;
this._patchRange = {
patchNum: value.patchNum,
basePatchNum: value.basePatchNum || 'PARENT',
};
this._path = value.path;
this.fire('title-change',
{title: this._computeFileDisplayName(this._path)});
// When navigating away from the page, there is a possibility that the
// patch number is no longer a part of the URL (say when navigating to
// the top-level change info view) and therefore undefined in `params`.
if (!this._patchRange.patchNum) {
return;
}
this.$.diff.reload();
},
_pathChanged: function(path) {
if (this._fileList.length == 0) { return; }
this.set('changeViewState.selectedFileIndex',
this._fileList.indexOf(path));
if (this._loggedIn) {
this._setReviewed(true);
}
},
_computeDiffURL: function(changeNum, patchRange, path) {
var patchStr = patchRange.patchNum;
if (patchRange.basePatchNum != null &&
patchRange.basePatchNum != 'PARENT') {
patchStr = patchRange.basePatchNum + '..' + patchRange.patchNum;
}
return '/c/' + changeNum + '/' + patchStr + '/' + path;
},
_computeAvailablePatches: function(revisions) {
var patchNums = [];
for (var rev in revisions) {
patchNums.push(revisions[rev]._number);
}
return patchNums.sort(function(a, b) { return a - b; });
},
_computeChangePath: function(changeNum, patchNum, revisions) {
var base = '/c/' + changeNum + '/';
// The change may not have loaded yet, making revisions unavailable.
if (!revisions) {
return base + patchNum;
}
var latestPatchNum = -1;
for (var rev in revisions) {
latestPatchNum = Math.max(latestPatchNum, revisions[rev]._number);
}
if (parseInt(patchNum, 10) != latestPatchNum) {
return base + patchNum;
}
return base;
},
_computeFileDisplayName: function(path) {
return path == COMMIT_MESSAGE_PATH ? 'Commit message' : path;
},
_computeChangeDetailPath: function(changeNum) {
return '/changes/' + changeNum + '/detail';
},
_computeChangeDetailQueryParams: function() {
return {O: this.listChangesOptionsToHex(
this.ListChangesOption.ALL_REVISIONS
)};
},
_computeFilesPath: function(changeNum, patchNum) {
return this.changeBaseURL(changeNum, patchNum) + '/files';
},
_computeProjectConfigPath: function(project) {
return '/projects/' + encodeURIComponent(project) + '/config';
},
_computeFileSelected: function(path, currentPath) {
return path == currentPath;
},
_computeKeyNav: function(path, selectedPath, fileList) {
var selectedIndex = fileList.indexOf(selectedPath);
if (fileList.indexOf(path) == selectedIndex - 1) {
return '[';
}
if (fileList.indexOf(path) == selectedIndex + 1) {
return ']';
}
return '';
},
_handleFileTap: function(e) {
this.$.dropdown.close();
},
_handleMobileSelectChange: function(e) {
var path = Polymer.dom(e).rootTarget.value;
page.show(
this._computeDiffURL(this._changeNum, this._patchRange, path));
},
_handleFilesResponse: function(e, req) {
this._fileList = Object.keys(e.detail.response).sort();
},
_showDropdownTapHandler: function(e) {
this.$.dropdown.open();
},
_send: function(method, url) {
var xhr = document.createElement('gr-request');
this._xhrPromise = xhr.send({
method: method,
url: url,
});
return this._xhrPromise;
},
});
})();