/**
* 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.gadget;
import static org.waveprotocol.wave.model.gadget.GadgetConstants.TAGNAME;
import org.waveprotocol.wave.client.account.ProfileManager;
import org.waveprotocol.wave.client.doodad.DoodadInstallers;
import org.waveprotocol.wave.client.doodad.DoodadInstallers.BlipInstaller;
import org.waveprotocol.wave.client.editor.ElementHandlerRegistry;
import org.waveprotocol.wave.client.editor.content.ContentNode;
import org.waveprotocol.wave.client.editor.content.Registries;
import org.waveprotocol.wave.client.editor.content.misc.ChunkyElementHandler;
import org.waveprotocol.wave.client.editor.util.EditorDocHelper;
import org.waveprotocol.wave.client.gadget.renderer.GadgetRenderer;
import org.waveprotocol.wave.model.conversation.Conversation;
import org.waveprotocol.wave.model.conversation.ConversationBlip;
import org.waveprotocol.wave.model.gadget.GadgetConstants;
import org.waveprotocol.wave.model.id.WaveletName;
import org.waveprotocol.wave.model.supplement.ObservableSupplementedWave;
import org.waveprotocol.wave.model.wave.ParticipantId;
import org.waveprotocol.wave.model.wave.Wavelet;
/**
* Class for embedding IFrame-based gadgets in the editor.
*
*/
public final class Gadget {
private Gadget() {
} // Non-instantiable.
/**
* Registers subclass with ContentElement
*/
public static void register(ElementHandlerRegistry registry, WaveletName waveletName,
ConversationBlip blip, ObservableSupplementedWave supplement, ProfileManager profileManager,
String loginName) {
GadgetRenderer renderer =
new GadgetRenderer(waveletName, blip, supplement, profileManager, loginName);
registry.registerEventHandler(TAGNAME, ChunkyElementHandler.INSTANCE);
registry.registerRenderingMutationHandler(TAGNAME, renderer);
}
public static boolean isGadget(ContentNode node) {
return EditorDocHelper.isNamedElement(node, GadgetConstants.TAGNAME);
}
public static BlipInstaller install(final ProfileManager profileManager,
final ObservableSupplementedWave supplement, final ParticipantId signedInUser) {
return new DoodadInstallers.BlipInstaller() {
@Override
public void install(Wavelet w, Conversation c, ConversationBlip b, Registries r) {
WaveletName name = WaveletName.of(w.getWaveId(), w.getId());
register(r.getElementHandlerRegistry(), name, b, supplement, profileManager,
signedInUser.getAddress());
}
};
}
}