/**
* 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.dom;
import org.waveprotocol.wave.client.wavepanel.view.View;
import org.waveprotocol.wave.client.wavepanel.view.dom.full.DomRenderer;
import org.waveprotocol.wave.model.conversation.ConversationBlip;
/**
* A view provider that providers views with reduced capabilities, until the
* provider is {@link #setRenderer(DomRenderer) upgraded}. After being
* upgraded, all provided views (including those provided prior to upgrade) have
* full capabilities.
* <p>
* The reduction of capabilities simply means that views are not capable of
* synthesizing new views through their rendering functions (e.g., {@link
* org.waveprotocol.wave.client.wavepanel.view.ThreadView#insertBlipBefore(View,
* ConversationBlip)}); however, they still support all structure and direct
* mutators.
*
*/
public interface UpgradeableDomAsViewProvider extends DomAsViewProvider {
/**
* Upgrades the views managed by this handler with the capability to add new
* views by rendering model objects. The renderer can only be set once.
*
* @param renderer renderer to use for rendering model objects
*/
void setRenderer(DomRenderer renderer);
}