blob: 4dfcf4887af3893b19daa49a1fb0c087cb1bedeb [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 EventType = {
HISTORY: 'history',
LABEL_CHANGE: 'labelchange',
SHOW_CHANGE: 'showchange',
SUBMIT_CHANGE: 'submitchange',
COMMENT: 'comment',
REVERT: 'revert',
};
var Element = {
CHANGE_ACTIONS: 'changeactions',
REPLY_DIALOG: 'replydialog',
};
Polymer({
is: 'gr-js-api-interface',
properties: {
_elements: {
type: Object,
value: {}, // Shared across all instances.
},
_eventCallbacks: {
type: Object,
value: {}, // Shared across all instances.
},
},
Element: Element,
EventType: EventType,
handleEvent: function(type, detail) {
switch (type) {
case EventType.HISTORY:
this._handleHistory(detail);
break;
case EventType.SHOW_CHANGE:
this._handleShowChange(detail);
break;
case EventType.COMMENT:
this._handleComment(detail);
break;
case EventType.LABEL_CHANGE:
this._handleLabelChange(detail);
break;
default:
console.warn('handleEvent called with unsupported event type:', type);
break;
}
},
addElement: function(key, el) {
this._elements[key] = el;
},
getElement: function(key) {
return this._elements[key];
},
addEventCallback: function(eventName, callback) {
if (!this._eventCallbacks[eventName]) {
this._eventCallbacks[eventName] = [];
}
this._eventCallbacks[eventName].push(callback);
},
canSubmitChange: function() {
var submitCallbacks = this._getEventCallbacks(EventType.SUBMIT_CHANGE);
var cancelSubmit = submitCallbacks.some(function(callback) {
try {
return callback() === false;
} catch (err) {
console.error(err);
}
return false;
});
return !cancelSubmit;
},
_removeEventCallbacks: function() {
for (var k in EventType) {
this._eventCallbacks[EventType[k]] = [];
}
},
_handleHistory: function(detail) {
this._getEventCallbacks(EventType.HISTORY).forEach(function(cb) {
try {
cb(detail.path);
} catch (err) {
console.error(err);
}
});
},
_handleShowChange: function(detail) {
this._getEventCallbacks(EventType.SHOW_CHANGE).forEach(function(cb) {
var change = detail.change;
var patchNum = detail.patchNum;
var revision;
for (var rev in change.revisions) {
if (change.revisions[rev]._number == patchNum) {
revision = change.revisions[rev];
break;
}
}
try {
cb(change, revision);
} catch (err) {
console.error(err);
}
});
},
_handleComment: function(detail) {
this._getEventCallbacks(EventType.COMMENT).forEach(function(cb) {
try {
cb(detail.node);
} catch (err) {
console.error(err);
}
});
},
_handleLabelChange: function(detail) {
this._getEventCallbacks(EventType.LABEL_CHANGE).forEach(function(cb) {
try {
cb(detail.change);
} catch (err) {
console.error(err);
}
});
},
modifyRevertMsg: function(change, msg) {
this._getEventCallbacks(EventType.REVERT).forEach(function(callback) {
try {
msg = callback(change, msg);
} catch (err) {
console.error(err);
}
});
return msg;
},
_getEventCallbacks: function(type) {
return this._eventCallbacks[type] || [];
},
});
})();