// Copyright (C) 2013 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;
import com.google.gerrit.client.account.AccountInfo;
import com.google.gerrit.client.account.AccountInfo.AvatarInfo;
import com.google.gerrit.client.changes.Util;
import com.google.gerrit.client.rpc.RestApi;
import com.google.gwt.event.dom.client.LoadEvent;
import com.google.gwt.event.dom.client.LoadHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.UIObject;
public class AvatarImage extends Image implements LoadHandler {
public AvatarImage() {
setVisible(false);
addLoadHandler(this);
}
/** A default sized avatar image. */
public AvatarImage(AccountInfo account) {
this(account, AccountInfo.AvatarInfo.DEFAULT_SIZE, true);
}
/**
* An avatar image for the given account using the requested size.
*
* @param account The account in which we are interested
* @param size A requested size. Note that the size can be ignored depending
* on the avatar provider. A size <= 0 indicates to let the provider
* decide a default size.
*/
public AvatarImage(AccountInfo account, int size) {
this(account, size, true);
}
/**
* An avatar image for the given account using the requested size.
*
* @param account The account in which we are interested
* @param size A requested size. Note that the size can be ignored depending
* on the avatar provider. A size <= 0 indicates to let the provider
* decide a default size.
* @param addPopup show avatar popup with user info on hovering over the
* avatar image
*/
public AvatarImage(AccountInfo account, int size, boolean addPopup) {
addLoadHandler(this);
setAccount(account, size, addPopup);
}
public void setAccount(AccountInfo account, int size, boolean addPopup) {
if (account == null) {
setVisible(false);
} else if (isGerritServer(account)) {
setVisible(true);
setResource(Gerrit.RESOURCES.gerritAvatar26());
} else if (account.has_avatar_info()) {
setVisible(false);
AvatarInfo info = account.avatar(size);
if (info != null) {
setWidth(info.width() > 0 ? info.width() + "px" : "");
setHeight(info.height() > 0 ? info.height() + "px" : "");
setUrl(info.url());
popup(account, addPopup);
} else if (account.email() != null) {
loadAvatar(account, size, addPopup);
}
} else if (account.email() != null) {
loadAvatar(account, size, addPopup);
} else {
setVisible(false);
}
}
private void loadAvatar(AccountInfo account, int size, boolean addPopup) {
// TODO Kill /accounts/*/avatar URL.
String u = account.email();
if (Gerrit.isSignedIn()
&& u.equals(Gerrit.getUserAccount().getPreferredEmail())) {
u = "self";
}
RestApi api = new RestApi("/accounts/").id(u).view("avatar");
if (size > 0) {
api.addParameter("s", size);
setSize("", size + "px");
}
setVisible(false);
setUrl(api.url());
popup(account, addPopup);
}
private void popup(AccountInfo account, boolean addPopup) {
if (addPopup) {
PopupHandler popupHandler = new PopupHandler(account, this);
addMouseOverHandler(popupHandler);
addMouseOutHandler(popupHandler);
}
}
@Override
public void onLoad(LoadEvent event) {
setVisible(true);
}
private static boolean isGerritServer(AccountInfo account) {
return account._account_id() == 0
&& Util.C.messageNoAuthor().equals(account.name());
}
private static class PopupHandler implements MouseOverHandler, MouseOutHandler {
private final AccountInfo account;
private final UIObject target;
private UserPopupPanel popup;
private Timer showTimer;
private Timer hideTimer;
public PopupHandler(AccountInfo account, UIObject target) {
this.account = account;
this.target = target;
}
private UserPopupPanel createPopupPanel(AccountInfo account) {
UserPopupPanel popup = new UserPopupPanel(account, false, false);
popup.addDomHandler(new MouseOverHandler() {
@Override
public void onMouseOver(MouseOverEvent event) {
scheduleShow();
}
}, MouseOverEvent.getType());
popup.addDomHandler(new MouseOutHandler() {
@Override
public void onMouseOut(MouseOutEvent event) {
scheduleHide();
}
}, MouseOutEvent.getType());
return popup;
}
@Override
public void onMouseOver(MouseOverEvent event) {
scheduleShow();
}
@Override
public void onMouseOut(MouseOutEvent event) {
scheduleHide();
}
private void scheduleShow() {
if (hideTimer != null) {
hideTimer.cancel();
hideTimer = null;
}
if ((popup != null && popup.isShowing() && popup.isVisible())
|| showTimer != null) {
return;
}
showTimer = new Timer() {
@Override
public void run() {
if (popup == null) {
popup = createPopupPanel(account);
}
if (!popup.isShowing() || !popup.isVisible()) {
popup.showRelativeTo(target);
}
}
};
showTimer.schedule(600);
}
private void scheduleHide() {
if (showTimer != null) {
showTimer.cancel();
showTimer = null;
}
if (popup == null || !popup.isShowing() || !popup.isVisible()
|| hideTimer != null) {
return;
}
hideTimer = new Timer() {
@Override
public void run() {
popup.hide();
}
};
hideTimer.schedule(50);
}
}
}