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/*
* Copyright (C) 2017 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.notification;
import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.RippleDrawable;
import android.os.Build;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.FloatProperty;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.TextView;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
import com.android.launcher3.anim.AnimationSuccessListener;
import com.android.launcher3.touch.BaseSwipeDetector;
import com.android.launcher3.touch.OverScroll;
import com.android.launcher3.touch.SingleAxisSwipeDetector;
import com.android.launcher3.userevent.nano.LauncherLogProto;
import com.android.launcher3.util.Themes;
/**
* A {@link android.widget.FrameLayout} that contains a single notification,
* e.g. icon + title + text.
*/
@TargetApi(Build.VERSION_CODES.N)
public class NotificationMainView extends FrameLayout implements SingleAxisSwipeDetector.Listener {
private static FloatProperty<NotificationMainView> CONTENT_TRANSLATION =
new FloatProperty<NotificationMainView>("contentTranslation") {
@Override
public void setValue(NotificationMainView view, float v) {
view.setContentTranslation(v);
}
@Override
public Float get(NotificationMainView view) {
return view.mTextAndBackground.getTranslationX();
}
};
// This is used only to track the notification view, so that it can be properly logged.
public static final ItemInfo NOTIFICATION_ITEM_INFO = new ItemInfo();
private final ObjectAnimator mContentTranslateAnimator;
private NotificationInfo mNotificationInfo;
private ViewGroup mTextAndBackground;
private int mBackgroundColor;
private TextView mTitleView;
private TextView mTextView;
private View mIconView;
private SingleAxisSwipeDetector mSwipeDetector;
public NotificationMainView(Context context) {
this(context, null, 0);
}
public NotificationMainView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public NotificationMainView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mContentTranslateAnimator = ObjectAnimator.ofFloat(this, CONTENT_TRANSLATION, 0);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mTextAndBackground = findViewById(R.id.text_and_background);
ColorDrawable colorBackground = (ColorDrawable) mTextAndBackground.getBackground();
mBackgroundColor = colorBackground.getColor();
RippleDrawable rippleBackground = new RippleDrawable(ColorStateList.valueOf(
Themes.getAttrColor(getContext(), android.R.attr.colorControlHighlight)),
colorBackground, null);
mTextAndBackground.setBackground(rippleBackground);
mTitleView = mTextAndBackground.findViewById(R.id.title);
mTextView = mTextAndBackground.findViewById(R.id.text);
mIconView = findViewById(R.id.popup_item_icon);
}
public void setSwipeDetector(SingleAxisSwipeDetector swipeDetector) {
mSwipeDetector = swipeDetector;
}
/**
* Sets the content of this view, animating it after a new icon shifts up if necessary.
*/
public void applyNotificationInfo(NotificationInfo mainNotification, boolean animate) {
mNotificationInfo = mainNotification;
NotificationListener listener = NotificationListener.getInstanceIfConnected();
if (listener != null) {
listener.setNotificationsShown(new String[] {mNotificationInfo.notificationKey});
}
CharSequence title = mNotificationInfo.title;
CharSequence text = mNotificationInfo.text;
if (!TextUtils.isEmpty(title) && !TextUtils.isEmpty(text)) {
mTitleView.setText(title.toString());
mTextView.setText(text.toString());
} else {
mTitleView.setMaxLines(2);
mTitleView.setText(TextUtils.isEmpty(title) ? text.toString() : title.toString());
mTextView.setVisibility(GONE);
}
mIconView.setBackground(mNotificationInfo.getIconForBackground(getContext(),
mBackgroundColor));
if (mNotificationInfo.intent != null) {
setOnClickListener(mNotificationInfo);
}
setContentTranslation(0);
// Add a dummy ItemInfo so that logging populates the correct container and item types
// instead of DEFAULT_CONTAINERTYPE and DEFAULT_ITEMTYPE, respectively.
setTag(NOTIFICATION_ITEM_INFO);
if (animate) {
ObjectAnimator.ofFloat(mTextAndBackground, ALPHA, 0, 1).setDuration(150).start();
}
}
public void setContentTranslation(float translation) {
mTextAndBackground.setTranslationX(translation);
mIconView.setTranslationX(translation);
}
public void setContentVisibility(int visibility) {
mTextAndBackground.setVisibility(visibility);
mIconView.setVisibility(visibility);
}
public NotificationInfo getNotificationInfo() {
return mNotificationInfo;
}
public boolean canChildBeDismissed() {
return mNotificationInfo != null && mNotificationInfo.dismissable;
}
public void onChildDismissed() {
Launcher launcher = Launcher.getLauncher(getContext());
launcher.getPopupDataProvider().cancelNotification(
mNotificationInfo.notificationKey);
launcher.getUserEventDispatcher().logActionOnItem(
LauncherLogProto.Action.Touch.SWIPE,
LauncherLogProto.Action.Direction.RIGHT, // Assume all swipes are right for logging.
LauncherLogProto.ItemType.NOTIFICATION);
}
// SingleAxisSwipeDetector.Listener's
@Override
public void onDragStart(boolean start) { }
@Override
public boolean onDrag(float displacement) {
setContentTranslation(canChildBeDismissed()
? displacement : OverScroll.dampedScroll(displacement, getWidth()));
mContentTranslateAnimator.cancel();
return true;
}
@Override
public void onDragEnd(float velocity) {
final boolean willExit;
final float endTranslation;
final float startTranslation = mTextAndBackground.getTranslationX();
if (!canChildBeDismissed()) {
willExit = false;
endTranslation = 0;
} else if (mSwipeDetector.isFling(velocity)) {
willExit = true;
endTranslation = velocity < 0 ? - getWidth() : getWidth();
} else if (Math.abs(startTranslation) > getWidth() / 2) {
willExit = true;
endTranslation = (startTranslation < 0 ? -getWidth() : getWidth());
} else {
willExit = false;
endTranslation = 0;
}
long duration = BaseSwipeDetector.calculateDuration(velocity,
(endTranslation - startTranslation) / getWidth());
mContentTranslateAnimator.removeAllListeners();
mContentTranslateAnimator.setDuration(duration)
.setInterpolator(scrollInterpolatorForVelocity(velocity));
mContentTranslateAnimator.setFloatValues(startTranslation, endTranslation);
mContentTranslateAnimator.addListener(new AnimationSuccessListener() {
@Override
public void onAnimationSuccess(Animator animator) {
mSwipeDetector.finishedScrolling();
if (willExit) {
onChildDismissed();
}
}
});
mContentTranslateAnimator.start();
}
}
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