54 lines
2.2 KiB
JavaScript
54 lines
2.2 KiB
JavaScript
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/*
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Copyright 2015 OpenMarket Ltd
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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'use strict';
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var MatrixClientPeg = require('matrix-react-sdk/lib/MatrixClientPeg');
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module.exports = {
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avatarUrlForMember: function(member, width, height, resizeMethod) {
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var url = member.getAvatarUrl(
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MatrixClientPeg.get().getHomeserverUrl(),
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width,
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height,
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resizeMethod
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);
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if (!url) {
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// member can be null here currently since on invites, the JS SDK
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// does not have enough info to build a RoomMember object for
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// the inviter.
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url = this.defaultAvatarUrlForString(member ? member.userId : '');
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}
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return url;
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},
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defaultAvatarUrlForString: function(s) {
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var total = 0;
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for (var i = 0; i < s.length; ++i) {
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total += s.charCodeAt(i);
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}
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switch (total % 3) {
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case 0:
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return "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADRJREFUeNrszQENADAIACB9QjNbxSKP4eagAFnTseHFErFYLBaLxWKxWCwWi8Vi8cX4CzAABSwCRWJw31gAAAAASUVORK5CYII=";
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case 1:
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return "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADRJREFUeNrszQENADAIACB9chOaxgCP4eagAFk9seHFErFYLBaLxWKxWCwWi8Vi8cX4CzAAtKMCks/JG8MAAAAASUVORK5CYII=";
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case 2:
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return "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADRJREFUeNrszQENADAIACB9YzNayQCP4eagADldseHFErFYLBaLxWKxWCwWi8Vi8cX4CzAAyiACeHwPiu4AAAAASUVORK5CYII=";
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}
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}
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}
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