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// Copyright (C) 2014 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.
package com.google.gerrit.client.diff;
import com.google.gwt.user.client.Timer;
import net.codemirror.lib.CodeMirror;
/**
* LineWidget attached to a CodeMirror container.
*
* <p>When a comment is placed on a line a CommentWidget is created. The group tracks all comment
* boxes on a line in unified diff view.
*/
class UnifiedCommentGroup extends CommentGroup {
UnifiedCommentGroup(UnifiedCommentManager manager, CodeMirror cm, DisplaySide side, int line) {
super(manager, cm, side, line);
}
@Override
void remove(DraftBox box) {
super.remove(box);
if (0 < getBoxCount()) {
resize();
} else {
detach();
}
}
@Override
void init(DiffTable parent) {
if (getLineWidget() == null) {
attach(parent);
}
}
@Override
void handleRedraw() {
getLineWidget()
.onRedraw(
new Runnable() {
@Override
public void run() {
if (canComputeHeight()) {
if (getResizeTimer() != null) {
getResizeTimer().cancel();
setResizeTimer(null);
}
reportHeightChange();
} else if (getResizeTimer() == null) {
setResizeTimer(
new Timer() {
@Override
public void run() {
if (canComputeHeight()) {
cancel();
setResizeTimer(null);
reportHeightChange();
}
}
});
getResizeTimer().scheduleRepeating(5);
}
}
});
}
@Override
void resize() {
if (getLineWidget() != null) {
reportHeightChange();
}
}
private void reportHeightChange() {
getLineWidget().changed();
updateSelection();
}
}
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