/**
* 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.wave.client.wavepanel.view.impl;
import org.waveprotocol.wave.client.wavepanel.view.AnchorView;
import org.waveprotocol.wave.client.wavepanel.view.BlipMetaView;
import org.waveprotocol.wave.client.wavepanel.view.BlipView;
import org.waveprotocol.wave.client.wavepanel.view.FocusFrameView;
import org.waveprotocol.wave.client.wavepanel.view.IntrinsicBlipMetaView;
import java.util.Set;
/**
* 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 BlipMetaViewImpl<I extends IntrinsicBlipMetaView> // \u2620
extends AbstractStructuredView<BlipMetaViewImpl.Helper<? super I>, I> // \u2620
implements BlipMetaView {
/**
* Handles structural queries on blip views.
*
* @param <I> intrinsic blip implementation
*/
public interface Helper<I> {
void insertChrome(I impl, FocusFrameView frame);
void removeChrome(I impl, FocusFrameView frame);
//
// Anchors
//
AnchorView getInlineAnchorBefore(I impl, AnchorView ref);
AnchorView getInlineAnchorAfter(I impl, AnchorView ref);
void insertInlineAnchorBefore(I impl, AnchorView ref, AnchorView x);
//
// Structure
//
void remove(I impl);
BlipView getBlip(I impl);
}
public BlipMetaViewImpl(Helper<? super I> helper, I impl) {
super(helper, impl);
}
@Override
public Type getType() {
return Type.META;
}
//
// Structural delegation.
//
@Override
public BlipView getParent() {
return helper.getBlip(impl);
}
@Override
public AnchorView getInlineAnchorAfter(AnchorView ref) {
return helper.getInlineAnchorAfter(impl, ref);
}
@Override
public AnchorView getInlineAnchorBefore(AnchorView ref) {
return helper.getInlineAnchorBefore(impl, ref);
}
@Override
public void insertInlineAnchorBefore(AnchorView ref, AnchorView x) {
helper.insertInlineAnchorBefore(impl, ref, x);
}
@Override
public void placeFocusFrame(FocusFrameView frame) {
helper.insertChrome(impl, frame);
}
@Override
public void removeFocusChrome(FocusFrameView frame) {
helper.removeChrome(impl, frame);
}
@Override
public void remove() {
helper.remove(impl);
}
//
// Intrinsic delegation.
//
@Override
public void setTime(String time) {
impl.setTime(time);
}
@Override
public void setAvatar(String imageUrl) {
impl.setAvatar(imageUrl);
}
@Override
public void setMetaline(String metaline) {
impl.setMetaline(metaline);
}
@Override
public void setRead(boolean read) {
impl.setRead(read);
}
@Override
public void enable(Set<MenuOption> options) {
impl.enable(options);
}
@Override
public void disable(Set<MenuOption> options) {
impl.disable(options);
}
@Override
public void select(MenuOption option) {
impl.select(option);
}
@Override
public void deselect(MenuOption option) {
impl.deselect(option);
}
}