Display avatar and a link to change the avatar in the profile screen

Users are now able to find the place where they can change their avatar
image.

Change-Id: Ia3fd5befb8655438935e3dfe2c67bb9ddac8efb3
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

Documentation/rest-api-accounts.txt

@@ -257,6 +257,28 @@ The response redirects to the URL of the avatar image.
   Location: https://profiles/avatar/john_doe.jpeg?s=20x20
 ----
 
+[[get-avatar-change-url]]
+Get Avatar Change URL
+~~~~~~~~~~~~~~~~~~~~~
+[verse]
+'GET /accounts/link:#account-id[\{account-id\}]/avatar.change.url'
+
+Retrieves the URL where the user can change the avatar image.
+
+.Request
+----
+  GET /a/accounts/self/avatar.change.url HTTP/1.0
+----
+
+.Response
+----
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: text/plain;charset=UTF-8
+
+  https://profiles/pictures/john.doe
+----
+
 [[get-diff-preferences]]
 Get Diff Preferences
 ~~~~~~~~~~~~~~~~~~~~

gerrit-gwtui/src/main/java/com/google/gerrit/client/AvatarImage.java

@@ -29,6 +29,9 @@ import com.google.gwt.user.client.ui.UIObject;
 
 public class AvatarImage extends Image {
 
+  public AvatarImage() {
+  }
+
   /** A default sized avatar image. */
   public AvatarImage(AccountInfo account) {
     this(account, 0);
@@ -57,8 +60,12 @@ public class AvatarImage extends Image {
    *        avatar image
    */
   public AvatarImage(AccountInfo account, int size, boolean addPopup) {
-    super(isGerritServer(account) ? getGerritServerAvatarUrl() :
-        url(account.email(), size));
+    setAccount(account, size, addPopup);
+  }
+
+  public void setAccount(AccountInfo account, int size, boolean addPopup) {
+    setUrl(isGerritServer(account) ? getGerritServerAvatarUrl() :
+      url(account.email(), size));
     setVisible(false);
 
     if (size > 0) {

gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritCss.java

@@ -34,6 +34,7 @@ public interface GerritCss extends CssResource {
   String approvalhint();
   String approvalrole();
   String approvalscore();
+  String avatarInfoPanel();
   String blockHeader();
   String bottomheader();
   String cAPPROVAL();

gerrit-gwtui/src/main/java/com/google/gerrit/client/account/AccountConstants.java

@@ -19,6 +19,7 @@ import com.google.gwt.i18n.client.Constants;
 public interface AccountConstants extends Constants {
   String settingsHeading();
 
+  String changeAvatar();
   String fullName();
   String preferredEmail();
   String registeredOn();

gerrit-gwtui/src/main/java/com/google/gerrit/client/account/AccountConstants.properties

@@ -1,5 +1,6 @@
 settingsHeading = Settings
 
+changeAvatar = Change Avatar
 fullName = Full Name
 preferredEmail = Email Address
 registeredOn = Registered

gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyProfileScreen.java

@@ -16,13 +16,23 @@ package com.google.gerrit.client.account;
 
 import static com.google.gerrit.client.FormatUtil.mediumFormat;
 
+import com.google.gerrit.client.AvatarImage;
+import com.google.gerrit.client.FormatUtil;
 import com.google.gerrit.client.Gerrit;
+import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.rpc.NativeString;
+import com.google.gerrit.client.rpc.RestApi;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gwt.i18n.client.LocaleInfo;
+import com.google.gwt.user.client.ui.Anchor;
 import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.VerticalPanel;
 
 public class MyProfileScreen extends SettingsScreen {
+  private AvatarImage avatar;
+  private Anchor changeAvatar;
   private int labelIdx, fieldIdx;
   private Grid info;
 
@@ -30,6 +40,18 @@ public class MyProfileScreen extends SettingsScreen {
   protected void onInitUI() {
     super.onInitUI();
 
+    HorizontalPanel h = new HorizontalPanel();
+    add(h);
+
+    VerticalPanel v = new VerticalPanel();
+    v.addStyleName(Gerrit.RESOURCES.css().avatarInfoPanel());
+    h.add(v);
+    avatar = new AvatarImage();
+    v.add(avatar);
+    changeAvatar = new Anchor(Util.C.changeAvatar(), "", "_blank");
+    changeAvatar.setVisible(false);
+    v.add(changeAvatar);
+
     if (LocaleInfo.getCurrentLocale().isRTL()) {
       labelIdx = 1;
       fieldIdx = 0;
@@ -41,7 +63,7 @@ public class MyProfileScreen extends SettingsScreen {
     info = new Grid((Gerrit.getConfig().siteHasUsernames() ? 1 : 0) + 4, 2);
     info.setStyleName(Gerrit.RESOURCES.css().infoBlock());
     info.addStyleName(Gerrit.RESOURCES.css().accountInfoBlock());
-    add(info);
+    h.add(info);
 
     int row = 0;
     if (Gerrit.getConfig().siteHasUsernames()) {
@@ -72,6 +94,16 @@ public class MyProfileScreen extends SettingsScreen {
   }
 
   void display(final Account account) {
+    avatar.setAccount(FormatUtil.asInfo(account), 93, false);
+    new RestApi("/accounts/").id("self").view("avatar.change.url")
+        .get(new GerritCallback<NativeString>() {
+          @Override
+          public void onSuccess(NativeString changeUrl) {
+            changeAvatar.setHref(changeUrl.asString());
+            changeAvatar.setVisible(true);
+          }
+        });
+
     int row = 0;
     if (Gerrit.getConfig().siteHasUsernames()) {
       info.setWidget(row++, fieldIdx, new UsernameField());

gerrit-gwtui/src/main/java/com/google/gerrit/client/gerrit.css

@@ -971,6 +971,13 @@ a:hover {
   float: left;
 }
 
+.avatarInfoPanel {
+  margin-right: 10px;
+}
+.avatarInfoPanel td {
+  text-align: center;
+}
+
 .infoBlock {
   border-collapse: collapse;
   border-spacing: 0;

gerrit-server/src/main/java/com/google/gerrit/server/account/GetAvatarChangeUrl.java

@@ -0,0 +1,47 @@
+// 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.server.account;
+
+import com.google.common.base.Strings;
+import com.google.gerrit.extensions.registration.DynamicItem;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.server.avatar.AvatarProvider;
+import com.google.inject.Inject;
+
+public class GetAvatarChangeUrl implements RestReadView<AccountResource> {
+  private final DynamicItem<AvatarProvider> avatarProvider;
+
+  @Inject
+  GetAvatarChangeUrl(DynamicItem<AvatarProvider> avatarProvider) {
+    this.avatarProvider = avatarProvider;
+  }
+
+  @Override
+  public String apply(AccountResource rsrc)
+      throws ResourceNotFoundException {
+    AvatarProvider impl = avatarProvider.get();
+    if (impl == null) {
+      throw new ResourceNotFoundException();
+    }
+
+    String url = impl.getChangeAvatarUrl(rsrc.getUser());
+    if (Strings.isNullOrEmpty(url)) {
+      throw new ResourceNotFoundException();
+    } else {
+      return url;
+    }
+  }
+}

gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java

@@ -31,6 +31,7 @@ public class Module extends RestApiModule {
 
     get(ACCOUNT_KIND).to(GetAccount.class);
     get(ACCOUNT_KIND, "avatar").to(GetAvatar.class);
+    get(ACCOUNT_KIND, "avatar.change.url").to(GetAvatarChangeUrl.class);
     child(ACCOUNT_KIND, "capabilities").to(Capabilities.class);
     get(ACCOUNT_KIND, "groups").to(GetGroups.class);
     get(ACCOUNT_KIND, "preferences.diff").to(GetDiffPreferences.class);