| /* |
| * 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.android.launcher3; |
| |
| 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() { |
| super.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; |
| } |
| } |