/**
* Copyright 2010 Google Inc.
*
* 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 org.waveprotocol.box.server.rpc.render.view.impl;
import org.waveprotocol.box.server.rpc.render.view.AnchorView;
import org.waveprotocol.box.server.rpc.render.view.BlipLinkPopupView;
import org.waveprotocol.box.server.rpc.render.view.BlipMetaView;
import org.waveprotocol.box.server.rpc.render.view.BlipView;
import org.waveprotocol.box.server.rpc.render.view.InlineConversationView;
import org.waveprotocol.box.server.rpc.render.view.IntrinsicBlipView;
import org.waveprotocol.box.server.rpc.render.view.ThreadView;
import org.waveprotocol.wave.model.conversation.Conversation;
import org.waveprotocol.wave.model.conversation.ConversationThread;
/**
* Implements a blip view by delegating primitive state matters to a view
* object, and structural state matters to a helper. The intent is that the
* helper is a flyweight handler.
*
* @param <I> intrinsic blip implementation
*/
public final class BlipViewImpl<I extends IntrinsicBlipView> // \u2620
extends AbstractStructuredView<BlipViewImpl.Helper<? super I>, I> // \u2620
implements BlipView {
/**
* Handles structural queries on blip views.
*
* @param <I> intrinsic blip implementation
*/
public interface Helper<I> {
ThreadView getBlipParent(I impl);
BlipMetaView getMeta(I impl);
void removeBlip(I impl);
//
// Anchors
//
AnchorView getDefaultAnchorBefore(I impl, AnchorView ref);
AnchorView getDefaultAnchorAfter(I impl, AnchorView ref);
AnchorView insertDefaultAnchorBefore(I impl, AnchorView ref, ConversationThread t);
AnchorView insertDefaultAnchorAfter(I impl, AnchorView ref, ConversationThread t);
InlineConversationView getConversationBefore(I impl, InlineConversationView ref);
InlineConversationView getConversationAfter(I impl, InlineConversationView ref);
InlineConversationView insertConversationBefore(I impl, InlineConversationView ref,
Conversation c);
BlipLinkPopupView createLinkPopup(I impl);
}
public BlipViewImpl(Helper<? super I> helper, I impl) {
super(helper, impl);
}
@Override
public Type getType() {
return Type.BLIP;
}
@Override
public String getId() {
return impl.getId();
}
//
// Structural delegation.
//
@Override
public BlipMetaView getMeta() {
return helper.getMeta(impl);
}
@Override
public AnchorView getDefaultAnchorAfter(AnchorView ref) {
return helper.getDefaultAnchorAfter(impl, ref);
}
@Override
public AnchorView getDefaultAnchorBefore(AnchorView ref) {
return helper.getDefaultAnchorBefore(impl, ref);
}
@Override
public AnchorView insertDefaultAnchorBefore(AnchorView ref, ConversationThread t) {
return helper.insertDefaultAnchorBefore(impl, ref, t);
}
@Override
public AnchorView insertDefaultAnchorAfter(AnchorView ref, ConversationThread t) {
return helper.insertDefaultAnchorAfter(impl, ref, t);
}
@Override
public InlineConversationView getConversationBefore(InlineConversationView ref) {
return helper.getConversationBefore(impl, ref);
}
@Override
public InlineConversationView getConversationAfter(InlineConversationView ref) {
return helper.getConversationAfter(impl, ref);
}
@Override
public InlineConversationView insertConversationBefore(InlineConversationView ref, Conversation c) {
return helper.insertConversationBefore(impl, ref, c);
}
@Override
public ThreadView getParent() {
return helper.getBlipParent(impl);
}
@Override
public void remove() {
helper.removeBlip(impl);
}
@Override
public BlipLinkPopupView createLinkPopup() {
return helper.createLinkPopup(impl);
}
}