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 android.content.ComponentName;
  import android.content.Context;
  import android.content.res.ColorStateList;
  import android.content.res.Configuration;
  import android.content.res.Resources;
  import android.graphics.drawable.TransitionDrawable;
  import android.util.AttributeSet;
  import android.view.View;
  import android.view.ViewGroup;
  import com.lb.launcher.R;
  import com.lb.launcher.compat.UserHandleCompat;
  
  public class InfoDropTarget extends ButtonDropTarget {
  
      private ColorStateList mOriginalTextColor;
      private TransitionDrawable mDrawable;
  
      public InfoDropTarget(Context context, AttributeSet attrs) {
          this(context, attrs, 0);
      }
  
      public InfoDropTarget(Context context, AttributeSet attrs, int defStyle) {
          super(context, attrs, defStyle);
      }
  
      @Override
      protected void onFinishInflate() {
          super.onFinishInflate();
  
          mOriginalTextColor = getTextColors();
  
          // Get the hover color
          Resources r = getResources();
          mHoverColor = r.getColor(R.color.info_target_hover_tint);
          mDrawable = (TransitionDrawable) getCurrentDrawable();
  
          if (mDrawable == null) {
              // TODO: investigate why this is ever happening. Presently only on one known device.
              mDrawable = (TransitionDrawable) r.getDrawable(R.drawable.info_target_selector);
              setCompoundDrawablesRelativeWithIntrinsicBounds(mDrawable, null, null, null);
          }
  
          if (null != mDrawable) {
              mDrawable.setCrossFadeEnabled(true);
          }
  
          // Remove the text in the Phone UI in landscape
          int orientation = getResources().getConfiguration().orientation;
          if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
              if (!LauncherAppState.getInstance().isScreenLarge()) {
                  setText("");
              }
          }
      }
  
      @Override
      public boolean acceptDrop(DragObject d) {
          // acceptDrop is called just before onDrop. We do the work here, rather than
          // in onDrop, because it allows us to reject the drop (by returning false)
          // so that the object being dragged isn't removed from the drag source.
          ComponentName componentName = null;
          if (d.dragInfo instanceof AppInfo) {
              componentName = ((AppInfo) d.dragInfo).componentName;
          } else if (d.dragInfo instanceof ShortcutInfo) {
              componentName = ((ShortcutInfo) d.dragInfo).intent.getComponent();
          } else if (d.dragInfo instanceof PendingAddItemInfo) {
              componentName = ((PendingAddItemInfo) d.dragInfo).componentName;
          }
          final UserHandleCompat user;
          if (d.dragInfo instanceof ItemInfo) {
              user = ((ItemInfo) d.dragInfo).user;
          } else {
              user = UserHandleCompat.myUserHandle();
          }
  
          if (componentName != null) {
              mLauncher.startApplicationDetailsActivity(componentName, user);
          }
  
          // There is no post-drop animation, so clean up the DragView now
          d.deferDragViewCleanupPostAnimation = false;
          return false;
      }
  
      @Override
      public void onDragStart(DragSource source, Object info, int dragAction) {
          boolean isVisible = true;
  
          // Hide this button unless we are dragging something from AllApps
          if (!source.supportsAppInfoDropTarget()) {
              isVisible = false;
          }
  
          mActive = isVisible;
          mDrawable.resetTransition();
          setTextColor(mOriginalTextColor);
          ((ViewGroup) getParent()).setVisibility(isVisible ? View.VISIBLE : View.GONE);
      }
  
      @Override
      public void onDragEnd() {
          super.onDragEnd();
          mActive = false;
      }
  
      public void onDragEnter(DragObject d) {
          super.onDragEnter(d);
  
          mDrawable.startTransition(mTransitionDuration);
          setTextColor(mHoverColor);
      }
  
      public void onDragExit(DragObject d) {
          super.onDragExit(d);
  
          if (!d.dragComplete) {
              mDrawable.resetTransition();
              setTextColor(mOriginalTextColor);
          }
      }
  }
  