content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * 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.amnesica.kryptey.inputmethod.keyboard.internal;
  
  import com.amnesica.kryptey.inputmethod.keyboard.Key;
  import com.amnesica.kryptey.inputmethod.keyboard.MoreKeysPanel;
  import com.amnesica.kryptey.inputmethod.keyboard.PointerTracker;
  
  public interface DrawingProxy {
    /**
     * Called when a key is being pressed.
     *
     * @param key         the {@link Key} that is being pressed.
     * @param withPreview true if key popup preview should be displayed.
     */
    void onKeyPressed(Key key, boolean withPreview);
  
    /**
     * Called when a key is being released.
     *
     * @param key           the {@link Key} that is being released.
     * @param withAnimation when true, key popup preview should be dismissed with animation.
     */
    void onKeyReleased(Key key, boolean withAnimation);
  
    /**
     * Start showing more keys keyboard of a key that is being long pressed.
     *
     * @param key     the {@link Key} that is being long pressed and showing more keys keyboard.
     * @param tracker the {@link PointerTracker} that detects this long pressing.
     * @return {@link MoreKeysPanel} that is being shown. null if there is no need to show more keys
     * keyboard.
     */
    MoreKeysPanel showMoreKeysKeyboard(Key key, PointerTracker tracker);
  
    /**
     * Start a while-typing-animation.
     *
     * @param fadeInOrOut {@link #FADE_IN} starts while-typing-fade-in animation.
     *                    {@link #FADE_OUT} starts while-typing-fade-out animation.
     */
    void startWhileTypingAnimation(int fadeInOrOut);
  
    int FADE_IN = 0;
    int FADE_OUT = 1;
  }
  