| /* |
| * 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.android.printspooler.widget; |
| |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.widget.CompoundButton; |
| import android.widget.LinearLayout; |
| import com.android.printspooler.R; |
| |
| /** |
| * This class represents the frame of page in the print preview list |
| * that contains the page and a footer. |
| */ |
| public final class PreviewPageFrame extends LinearLayout { |
| private final float mSelectedElevation; |
| private final float mNotSelectedElevation; |
| |
| private final float mSelectedPageAlpha; |
| private final float mNotSelectedAlpha; |
| |
| public PreviewPageFrame(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mSelectedElevation = mContext.getResources().getDimension( |
| R.dimen.selected_page_elevation); |
| mNotSelectedElevation = mContext.getResources().getDimension( |
| R.dimen.unselected_page_elevation); |
| mSelectedPageAlpha = mContext.getResources().getFraction( |
| R.fraction.page_selected_alpha, 1, 1); |
| mNotSelectedAlpha = mContext.getResources().getFraction( |
| R.fraction.page_unselected_alpha, 1, 1); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| super.onInitializeAccessibilityEvent(event); |
| event.setClassName(CompoundButton.class.getName()); |
| event.setChecked(isSelected()); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(info); |
| info.setClassName(CompoundButton.class.getName()); |
| info.setSelected(false); |
| info.setCheckable(true); |
| info.setChecked(isSelected()); |
| } |
| |
| public void setSelected(boolean selected, boolean animate) { |
| if (isSelected() == selected) { |
| return; |
| } |
| setSelected(selected); |
| if (selected) { |
| if (animate) { |
| animate().translationZ(mSelectedElevation) |
| .alpha(mSelectedPageAlpha); |
| } else { |
| setTranslationZ(mSelectedElevation); |
| setAlpha(mSelectedPageAlpha); |
| } |
| } else { |
| if (animate) { |
| animate().translationZ(mNotSelectedElevation) |
| .alpha(mNotSelectedAlpha); |
| } else { |
| setTranslationZ(mNotSelectedElevation); |
| setAlpha(mNotSelectedAlpha); |
| } |
| } |
| } |
| } |