content: /*
   * Copyright (C) 2011 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.lb.launcher;
  
  import com.lb.launcher.R;
  import android.content.Context;
  import android.content.res.Resources;
  import android.util.AttributeSet;
  import android.widget.FrameLayout;
  import android.widget.ImageView;
  
  public class PageIndicatorMarker extends FrameLayout {
      @SuppressWarnings("unused")
      private static final String TAG = "PageIndicator";
  
      private static final int MARKER_FADE_DURATION = 175;
  
      private ImageView mActiveMarker;
      private ImageView mInactiveMarker;
      private boolean mIsActive = false;
  
      public PageIndicatorMarker(Context context) {
          this(context, null);
      }
  
      public PageIndicatorMarker(Context context, AttributeSet attrs) {
          this(context, attrs, 0);
      }
  
      public PageIndicatorMarker(Context context, AttributeSet attrs, int defStyle) {
          super(context, attrs, defStyle);
      }
  
      protected void onFinishInflate() {
          mActiveMarker = (ImageView) findViewById(R.id.active);
          mInactiveMarker = (ImageView) findViewById(R.id.inactive);
      }
  
      void setMarkerDrawables(int activeResId, int inactiveResId) {
          Resources r = getResources();
          mActiveMarker.setImageDrawable(r.getDrawable(activeResId));
          mInactiveMarker.setImageDrawable(r.getDrawable(inactiveResId));
      }
  
      void activate(boolean immediate) {
          if (immediate) {
              mActiveMarker.animate().cancel();
              mActiveMarker.setAlpha(1f);
              mActiveMarker.setScaleX(1f);
              mActiveMarker.setScaleY(1f);
              mInactiveMarker.animate().cancel();
              mInactiveMarker.setAlpha(0f);
          } else {
              mActiveMarker.animate()
                      .alpha(1f)
                      .scaleX(1f)
                      .scaleY(1f)
                      .setDuration(MARKER_FADE_DURATION).start();
              mInactiveMarker.animate()
                      .alpha(0f)
                      .setDuration(MARKER_FADE_DURATION).start();
          }
          mIsActive = true;
      }
  
      void inactivate(boolean immediate) {
          if (immediate) {
              mInactiveMarker.animate().cancel();
              mInactiveMarker.setAlpha(1f);
              mActiveMarker.animate().cancel();
              mActiveMarker.setAlpha(0f);
              mActiveMarker.setScaleX(0.5f);
              mActiveMarker.setScaleY(0.5f);
          } else {
              mInactiveMarker.animate().alpha(1f)
                      .setDuration(MARKER_FADE_DURATION).start();
              mActiveMarker.animate()
                      .alpha(0f)
                      .scaleX(0.5f)
                      .scaleY(0.5f)
                      .setDuration(MARKER_FADE_DURATION).start();
          }
          mIsActive = false;
      }
  
      boolean isActive() {
          return mIsActive;
      }
  }
  