packages/SystemUI/src/com/android/systemui/statusbar/policy/NotificationRowLayout.java - platform/frameworks/base - Gitiles

 /*
  * 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.systemui.statusbar.policy;

 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.LayoutTransition;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Slog;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.LinearLayout;

 import com.android.systemui.ExpandHelper;
 import com.android.systemui.R;
 import com.android.systemui.SwipeHelper;
 import com.android.systemui.statusbar.NotificationData;

 import java.util.HashMap;

 public class NotificationRowLayout
         extends LinearLayout
         implements SwipeHelper.Callback, ExpandHelper.Callback
 {
     private static final String TAG = "NotificationRowLayout";
     private static final boolean DEBUG = false;
     private static final boolean SLOW_ANIMATIONS = DEBUG;

     private static final int APPEAR_ANIM_LEN = SLOW_ANIMATIONS ? 5000 : 250;
     private static final int DISAPPEAR_ANIM_LEN = APPEAR_ANIM_LEN;

     boolean mAnimateBounds = true;

     Rect mTmpRect = new Rect();

     HashMap<View, ValueAnimator> mAppearingViews = new HashMap<View, ValueAnimator>();
     HashMap<View, ValueAnimator> mDisappearingViews = new HashMap<View, ValueAnimator>();

     private SwipeHelper mSwipeHelper;

     private OnSizeChangedListener mOnSizeChangedListener;

     // Flag set during notification removal animation to avoid causing too much work until
     // animation is done
     boolean mRemoveViews = true;

     private LayoutTransition mRealLayoutTransition;

     public NotificationRowLayout(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }

     public NotificationRowLayout(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);

         mRealLayoutTransition = new LayoutTransition();
         mRealLayoutTransition.setAnimateParentHierarchy(true);
         setLayoutTransitionsEnabled(true);

         setOrientation(LinearLayout.VERTICAL);

         if (DEBUG) {
             setOnHierarchyChangeListener(new ViewGroup.OnHierarchyChangeListener() {
                 @Override
                 public void onChildViewAdded(View parent, View child) {
                     Slog.d(TAG, "view added: " + child + "; new count: " + getChildCount());
                 }
                 @Override
                 public void onChildViewRemoved(View parent, View child) {
                     Slog.d(TAG, "view removed: " + child + "; new count: " + (getChildCount() - 1));
                 }
             });

             setBackgroundColor(0x80FF8000);
         }

         float densityScale = getResources().getDisplayMetrics().density;
         float pagingTouchSlop = ViewConfiguration.get(mContext).getScaledPagingTouchSlop();
         mSwipeHelper = new SwipeHelper(SwipeHelper.X, this, densityScale, pagingTouchSlop);
     }

     public void setLongPressListener(View.OnLongClickListener listener) {
         mSwipeHelper.setLongPressListener(listener);
     }

     public void setOnSizeChangedListener(OnSizeChangedListener l) {
         mOnSizeChangedListener = l;
     }

     @Override
     public void onWindowFocusChanged(boolean hasWindowFocus) {
         super.onWindowFocusChanged(hasWindowFocus);
         if (!hasWindowFocus) {
             mSwipeHelper.removeLongPressCallback();
         }
     }

     public void setAnimateBounds(boolean anim) {
         mAnimateBounds = anim;
     }

     private void logLayoutTransition() {
         Log.v(TAG, "layout " +
               (mRealLayoutTransition.isChangingLayout() ? "is " : "is not ") +
               "in transition and animations " +
               (mRealLayoutTransition.isRunning() ? "are " : "are not ") +
               "running.");
     }

     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (DEBUG) Log.v(TAG, "onInterceptTouchEvent()");
         if (DEBUG) logLayoutTransition();

         return mSwipeHelper.onInterceptTouchEvent(ev) ||
                 super.onInterceptTouchEvent(ev);
     }

     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         if (DEBUG) Log.v(TAG, "onTouchEvent()");
         if (DEBUG) logLayoutTransition();

         return mSwipeHelper.onTouchEvent(ev) ||
                 super.onTouchEvent(ev);
     }

     public boolean canChildBeDismissed(View v) {
         final View veto = v.findViewById(R.id.veto);
         return (veto != null && veto.getVisibility() != View.GONE);
     }

     public boolean canChildBeExpanded(View v) {
         return NotificationData.getIsExpandable(v);
     }

     public boolean setUserExpandedChild(View v, boolean userExpanded) {
         return NotificationData.setUserExpanded(v, userExpanded);
     }

     public boolean setUserLockedChild(View v, boolean userLocked) {
         return NotificationData.setUserLocked(v, userLocked);
     }

     public void onChildDismissed(View v) {
         if (DEBUG) Slog.v(TAG, "onChildDismissed: " + v + " mRemoveViews=" + mRemoveViews);
         final View veto = v.findViewById(R.id.veto);
         if (veto != null && veto.getVisibility() != View.GONE && mRemoveViews) {
             veto.performClick();
         }
     }

     public void onBeginDrag(View v) {
         // We need to prevent the surrounding ScrollView from intercepting us now;
         // the scroll position will be locked while we swipe
         requestDisallowInterceptTouchEvent(true);
     }

     public void onDragCancelled(View v) {
     }

     public View getChildAtPosition(MotionEvent ev) {
         return getChildAtPosition(ev.getX(), ev.getY());
     }

     public View getChildAtRawPosition(float touchX, float touchY) {
         int[] location = new int[2];
         getLocationOnScreen(location);
         return getChildAtPosition((float) (touchX - location[0]), (float) (touchY - location[1]));
     }

     public View getChildAtPosition(float touchX, float touchY) {
         // find the view under the pointer, accounting for GONE views
         final int count = getChildCount();
         int y = 0;
         int childIdx = 0;
         View slidingChild;
         for (; childIdx < count; childIdx++) {
             slidingChild = getChildAt(childIdx);
             if (slidingChild.getVisibility() == GONE) {
                 continue;
             }
             y += slidingChild.getMeasuredHeight();
             if (touchY < y) return slidingChild;
         }
         return null;
     }

     public View getChildContentView(View v) {
         return v;
     }

     @Override
     protected void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         float densityScale = getResources().getDisplayMetrics().density;
         mSwipeHelper.setDensityScale(densityScale);
         float pagingTouchSlop = ViewConfiguration.get(mContext).getScaledPagingTouchSlop();
         mSwipeHelper.setPagingTouchSlop(pagingTouchSlop);
     }


     /**
      * Sets a flag to tell us whether to actually remove views. Removal is delayed by setting this
      * to false during some animations to smooth out performance. Callers should restore the
      * flag to true after the animation is done, and then they should make sure that the views
      * get removed properly.
      */
     public void setViewRemoval(boolean removeViews) {
         if (DEBUG) Slog.v(TAG, "setViewRemoval: " + removeViews);
         mRemoveViews = removeViews;
     }

     // Suppress layout transitions for a little while.
     public void setLayoutTransitionsEnabled(boolean b) {
         if (b) {
             setLayoutTransition(mRealLayoutTransition);
         } else {
             if (mRealLayoutTransition.isRunning()) {
                 mRealLayoutTransition.cancel();
             }
             setLayoutTransition(null);
         }
     }

     public void dismissRowAnimated(View child) {
         dismissRowAnimated(child, 0);
     }

     public void dismissRowAnimated(View child, int vel) {
         mSwipeHelper.dismissChild(child, vel);
     }

     @Override
     public void onFinishInflate() {
         super.onFinishInflate();
         if (DEBUG) setWillNotDraw(false);
     }

     @Override
     public void onDraw(android.graphics.Canvas c) {
         super.onDraw(c);
         if (DEBUG) logLayoutTransition();
         if (DEBUG) {
             //Slog.d(TAG, "onDraw: canvas height: " + c.getHeight() + "px; measured height: "
             //        + getMeasuredHeight() + "px");
             c.save();
             c.clipRect(6, 6, c.getWidth() - 6, getMeasuredHeight() - 6,
                     android.graphics.Region.Op.DIFFERENCE);
             c.drawColor(0xFFFF8000);
             c.restore();
         }
     }

     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
         if (mOnSizeChangedListener != null) {
             mOnSizeChangedListener.onSizeChanged(this, w, h, oldw, oldh);
         }
     }
 }
	/*
	* 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.systemui.statusbar.policy;

	import android.animation.Animator;
	import android.animation.AnimatorListenerAdapter;
	import android.animation.LayoutTransition;
	import android.animation.ObjectAnimator;
	import android.animation.ValueAnimator;
	import android.content.Context;
	import android.content.res.Configuration;
	import android.content.res.TypedArray;
	import android.graphics.Rect;
	import android.util.AttributeSet;
	import android.util.Log;
	import android.util.Slog;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewConfiguration;
	import android.view.ViewGroup;
	import android.view.inputmethod.InputMethodManager;
	import android.widget.LinearLayout;

	import com.android.systemui.ExpandHelper;
	import com.android.systemui.R;
	import com.android.systemui.SwipeHelper;
	import com.android.systemui.statusbar.NotificationData;

	import java.util.HashMap;

	public class NotificationRowLayout
	extends LinearLayout
	implements SwipeHelper.Callback, ExpandHelper.Callback
	{
	private static final String TAG = "NotificationRowLayout";
	private static final boolean DEBUG = false;
	private static final boolean SLOW_ANIMATIONS = DEBUG;

	private static final int APPEAR_ANIM_LEN = SLOW_ANIMATIONS ? 5000 : 250;
	private static final int DISAPPEAR_ANIM_LEN = APPEAR_ANIM_LEN;

	boolean mAnimateBounds = true;

	Rect mTmpRect = new Rect();

	HashMap<View, ValueAnimator> mAppearingViews = new HashMap<View, ValueAnimator>();
	HashMap<View, ValueAnimator> mDisappearingViews = new HashMap<View, ValueAnimator>();

	private SwipeHelper mSwipeHelper;

	private OnSizeChangedListener mOnSizeChangedListener;

	// Flag set during notification removal animation to avoid causing too much work until
	// animation is done
	boolean mRemoveViews = true;

	private LayoutTransition mRealLayoutTransition;

	public NotificationRowLayout(Context context, AttributeSet attrs) {
	this(context, attrs, 0);
	}

	public NotificationRowLayout(Context context, AttributeSet attrs, int defStyle) {
	super(context, attrs, defStyle);

	mRealLayoutTransition = new LayoutTransition();
	mRealLayoutTransition.setAnimateParentHierarchy(true);
	setLayoutTransitionsEnabled(true);

	setOrientation(LinearLayout.VERTICAL);

	if (DEBUG) {
	setOnHierarchyChangeListener(new ViewGroup.OnHierarchyChangeListener() {
	@Override
	public void onChildViewAdded(View parent, View child) {
	Slog.d(TAG, "view added: " + child + "; new count: " + getChildCount());
	}
	@Override
	public void onChildViewRemoved(View parent, View child) {
	Slog.d(TAG, "view removed: " + child + "; new count: " + (getChildCount() - 1));
	}
	});

	setBackgroundColor(0x80FF8000);
	}

	float densityScale = getResources().getDisplayMetrics().density;
	float pagingTouchSlop = ViewConfiguration.get(mContext).getScaledPagingTouchSlop();
	mSwipeHelper = new SwipeHelper(SwipeHelper.X, this, densityScale, pagingTouchSlop);
	}

	public void setLongPressListener(View.OnLongClickListener listener) {
	mSwipeHelper.setLongPressListener(listener);
	}

	public void setOnSizeChangedListener(OnSizeChangedListener l) {
	mOnSizeChangedListener = l;
	}

	@Override
	public void onWindowFocusChanged(boolean hasWindowFocus) {
	super.onWindowFocusChanged(hasWindowFocus);
	if (!hasWindowFocus) {
	mSwipeHelper.removeLongPressCallback();
	}
	}

	public void setAnimateBounds(boolean anim) {
	mAnimateBounds = anim;
	}

	private void logLayoutTransition() {
	Log.v(TAG, "layout " +
	(mRealLayoutTransition.isChangingLayout() ? "is " : "is not ") +
	"in transition and animations " +
	(mRealLayoutTransition.isRunning() ? "are " : "are not ") +
	"running.");
	}

	@Override
	public boolean onInterceptTouchEvent(MotionEvent ev) {
	if (DEBUG) Log.v(TAG, "onInterceptTouchEvent()");
	if (DEBUG) logLayoutTransition();

	return mSwipeHelper.onInterceptTouchEvent(ev) \|\|
	super.onInterceptTouchEvent(ev);
	}

	@Override
	public boolean onTouchEvent(MotionEvent ev) {
	if (DEBUG) Log.v(TAG, "onTouchEvent()");
	if (DEBUG) logLayoutTransition();

	return mSwipeHelper.onTouchEvent(ev) \|\|
	super.onTouchEvent(ev);
	}

	public boolean canChildBeDismissed(View v) {
	final View veto = v.findViewById(R.id.veto);
	return (veto != null && veto.getVisibility() != View.GONE);
	}

	public boolean canChildBeExpanded(View v) {
	return NotificationData.getIsExpandable(v);
	}

	public boolean setUserExpandedChild(View v, boolean userExpanded) {
	return NotificationData.setUserExpanded(v, userExpanded);
	}

	public boolean setUserLockedChild(View v, boolean userLocked) {
	return NotificationData.setUserLocked(v, userLocked);
	}

	public void onChildDismissed(View v) {
	if (DEBUG) Slog.v(TAG, "onChildDismissed: " + v + " mRemoveViews=" + mRemoveViews);
	final View veto = v.findViewById(R.id.veto);
	if (veto != null && veto.getVisibility() != View.GONE && mRemoveViews) {
	veto.performClick();
	}
	}

	public void onBeginDrag(View v) {
	// We need to prevent the surrounding ScrollView from intercepting us now;
	// the scroll position will be locked while we swipe
	requestDisallowInterceptTouchEvent(true);
	}

	public void onDragCancelled(View v) {
	}

	public View getChildAtPosition(MotionEvent ev) {
	return getChildAtPosition(ev.getX(), ev.getY());
	}

	public View getChildAtRawPosition(float touchX, float touchY) {
	int[] location = new int[2];
	getLocationOnScreen(location);
	return getChildAtPosition((float) (touchX - location[0]), (float) (touchY - location[1]));
	}

	public View getChildAtPosition(float touchX, float touchY) {
	// find the view under the pointer, accounting for GONE views
	final int count = getChildCount();
	int y = 0;
	int childIdx = 0;
	View slidingChild;
	for (; childIdx < count; childIdx++) {
	slidingChild = getChildAt(childIdx);
	if (slidingChild.getVisibility() == GONE) {
	continue;
	}
	y += slidingChild.getMeasuredHeight();
	if (touchY < y) return slidingChild;
	}
	return null;
	}

	public View getChildContentView(View v) {
	return v;
	}

	@Override
	protected void onConfigurationChanged(Configuration newConfig) {
	super.onConfigurationChanged(newConfig);
	float densityScale = getResources().getDisplayMetrics().density;
	mSwipeHelper.setDensityScale(densityScale);
	float pagingTouchSlop = ViewConfiguration.get(mContext).getScaledPagingTouchSlop();
	mSwipeHelper.setPagingTouchSlop(pagingTouchSlop);
	}


	/**
	* Sets a flag to tell us whether to actually remove views. Removal is delayed by setting this
	* to false during some animations to smooth out performance. Callers should restore the
	* flag to true after the animation is done, and then they should make sure that the views
	* get removed properly.
	*/
	public void setViewRemoval(boolean removeViews) {
	if (DEBUG) Slog.v(TAG, "setViewRemoval: " + removeViews);
	mRemoveViews = removeViews;
	}

	// Suppress layout transitions for a little while.
	public void setLayoutTransitionsEnabled(boolean b) {
	if (b) {
	setLayoutTransition(mRealLayoutTransition);
	} else {
	if (mRealLayoutTransition.isRunning()) {
	mRealLayoutTransition.cancel();
	}
	setLayoutTransition(null);
	}
	}

	public void dismissRowAnimated(View child) {
	dismissRowAnimated(child, 0);
	}

	public void dismissRowAnimated(View child, int vel) {
	mSwipeHelper.dismissChild(child, vel);
	}

	@Override
	public void onFinishInflate() {
	super.onFinishInflate();
	if (DEBUG) setWillNotDraw(false);
	}

	@Override
	public void onDraw(android.graphics.Canvas c) {
	super.onDraw(c);
	if (DEBUG) logLayoutTransition();
	if (DEBUG) {
	//Slog.d(TAG, "onDraw: canvas height: " + c.getHeight() + "px; measured height: "
	// + getMeasuredHeight() + "px");
	c.save();
	c.clipRect(6, 6, c.getWidth() - 6, getMeasuredHeight() - 6,
	android.graphics.Region.Op.DIFFERENCE);
	c.drawColor(0xFFFF8000);
	c.restore();
	}
	}

	@Override
	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
	if (mOnSizeChangedListener != null) {
	mOnSizeChangedListener.onSizeChanged(this, w, h, oldw, oldh);
	}
	}
	}