/*
 * Copyright 2016 Peter Kenji Yamanaka
 *
 * 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.pyamsoft.pydroid.presenter;

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.pyamsoft.pydroid.function.ActionSingle;

public abstract class Presenter<I> {

  @Nullable private I view;

  protected void ifViewExists(@NonNull ActionSingle<I> func) {
    if (view != null) {
      func.call(view);
    }
  }

  public final void bindView(@Nullable I view) {
    this.view = view;
    onBind(view);
  }

  protected void onBind(@Nullable I view) {

  }

  public final void unbindView() {
    onUnbind();
    this.view = null;
  }

  protected void onUnbind() {

  }

  public interface Empty {

  }
}

/*
 * Copyright 2016 Peter Kenji Yamanaka
 *
 * 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.pyamsoft.pydroid.presenter;

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.pyamsoft.pydroid.function.ActionSingle;

public abstract class Presenter<I> {

  @Nullable private I view;

  protected void ifViewExists(@NonNull ActionSingle<I> func) {
    if (view != null) {
      func.call(view);
    }
  }

  public final void bindView(@Nullable I view) {
    this.view = view;
    onBind(view);
  }

  protected void onBind(@Nullable I view) {

  }

  public final void unbindView() {
    onUnbind();
    this.view = null;
  }

  protected void onUnbind() {

  }

  public final void destroy() {
    onDestroy();
  }

  protected void onDestroy() {

  }

  public interface Empty {

  }
}

Add destroy to Presenter API