Removing custom swipe helper.
Change-Id: Ic28ab343f86ab6f80d8c0409a3218513bd8880af
diff --git a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
index 870e0af..fabc7b7 100644
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -86,6 +86,7 @@
final private int[] mTmpPos = new int[2];
private int mFalsingThreshold;
private boolean mTouchAboveFalsingThreshold;
+ private boolean mDisableHwLayers;
public SwipeHelper(int swipeDirection, Callback callback, Context context) {
mCallback = callback;
@@ -115,6 +116,10 @@
mPagingTouchSlop = pagingTouchSlop;
}
+ public void setDisableHardwareLayers(boolean disableHwLayers) {
+ mDisableHwLayers = disableHwLayers;
+ }
+
private float getPos(MotionEvent ev) {
return mSwipeDirection == X ? ev.getX() : ev.getY();
}
@@ -147,7 +152,7 @@
}
}
- private float getSize(View v) {
+ protected float getSize(View v) {
return mSwipeDirection == X ? v.getMeasuredWidth() :
v.getMeasuredHeight();
}
@@ -178,10 +183,12 @@
if (!mCallback.updateSwipeProgress(animView, dismissable, swipeProgress)) {
if (FADE_OUT_DURING_SWIPE && dismissable) {
float alpha = swipeProgress;
- if (alpha != 0f && alpha != 1f) {
- animView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
- } else {
- animView.setLayerType(View.LAYER_TYPE_NONE, null);
+ if (!mDisableHwLayers) {
+ if (alpha != 0f && alpha != 1f) {
+ animView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+ } else {
+ animView.setLayerType(View.LAYER_TYPE_NONE, null);
+ }
}
animView.setAlpha(getSwipeProgressForOffset(animView));
}
@@ -345,7 +352,9 @@
duration = fixedDuration;
}
- animView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+ if (!mDisableHwLayers) {
+ animView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+ }
ObjectAnimator anim = createTranslationAnimation(animView, newPos);
if (useAccelerateInterpolator) {
anim.setInterpolator(mFastOutLinearInInterpolator);
@@ -362,7 +371,9 @@
if (endAction != null) {
endAction.run();
}
- animView.setLayerType(View.LAYER_TYPE_NONE, null);
+ if (!mDisableHwLayers) {
+ animView.setLayerType(View.LAYER_TYPE_NONE, null);
+ }
}
});
anim.addUpdateListener(new AnimatorUpdateListener() {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/recents/views/SwipeHelper.java
deleted file mode 100644
index b7c1de3..0000000
--- a/packages/SystemUI/src/com/android/systemui/recents/views/SwipeHelper.java
+++ /dev/null
@@ -1,403 +0,0 @@
-/*
- * 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.systemui.recents.views;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
-import android.animation.ValueAnimator;
-import android.animation.ValueAnimator.AnimatorUpdateListener;
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.os.Build;
-import android.util.DisplayMetrics;
-import android.view.MotionEvent;
-import android.view.VelocityTracker;
-import android.view.View;
-import android.view.animation.AnimationUtils;
-import android.view.animation.Interpolator;
-import android.view.animation.LinearInterpolator;
-
-/**
- * This class facilitates swipe to dismiss. It defines an interface to be implemented by the
- * by the class hosting the views that need to swiped, and, using this interface, handles touch
- * events and translates / fades / animates the view as it is dismissed.
- */
-public class SwipeHelper {
- static final String TAG = "SwipeHelper";
- private static final boolean SLOW_ANIMATIONS = false; // DEBUG;
- private static final boolean CONSTRAIN_SWIPE = true;
- private static final boolean FADE_OUT_DURING_SWIPE = true;
- private static final boolean DISMISS_IF_SWIPED_FAR_ENOUGH = true;
-
- public static final int X = 0;
- public static final int Y = 1;
-
- private static LinearInterpolator sLinearInterpolator = new LinearInterpolator();
- private Interpolator mLinearOutSlowInInterpolator;
-
- private float SWIPE_ESCAPE_VELOCITY = 100f; // dp/sec
- private int DEFAULT_ESCAPE_ANIMATION_DURATION = 75; // ms
- private int MAX_ESCAPE_ANIMATION_DURATION = 150; // ms
- private static final int SNAP_ANIM_LEN = SLOW_ANIMATIONS ? 1000 : 250; // ms
-
- public static float ALPHA_FADE_START = 0.15f; // fraction of thumbnail width
- // where fade starts
- static final float ALPHA_FADE_END = 0.65f; // fraction of thumbnail width
- // beyond which alpha->0
- private float mMinAlpha = 0f;
-
- private float mPagingTouchSlop;
- Callback mCallback;
- private int mSwipeDirection;
- private VelocityTracker mVelocityTracker;
-
- private float mInitialTouchPos;
- private boolean mDragging;
- private float mSnapBackTranslationX;
-
- private View mCurrView;
- private boolean mCanCurrViewBeDimissed;
- private float mDensityScale;
-
- public boolean mAllowSwipeTowardsStart = true;
- public boolean mAllowSwipeTowardsEnd = true;
- private boolean mRtl;
-
- public SwipeHelper(Context context, int swipeDirection, Callback callback, float densityScale,
- float pagingTouchSlop) {
- mCallback = callback;
- mSwipeDirection = swipeDirection;
- mVelocityTracker = VelocityTracker.obtain();
- mDensityScale = densityScale;
- mPagingTouchSlop = pagingTouchSlop;
- mLinearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
- com.android.internal.R.interpolator.linear_out_slow_in);
- }
-
- public void setDensityScale(float densityScale) {
- mDensityScale = densityScale;
- }
-
- public void setSnapBackTranslationX(float translationX) {
- mSnapBackTranslationX = translationX;
- }
-
- public void setPagingTouchSlop(float pagingTouchSlop) {
- mPagingTouchSlop = pagingTouchSlop;
- }
-
- public void cancelOngoingDrag() {
- if (mDragging) {
- if (mCurrView != null) {
- mCallback.onDragCancelled(mCurrView);
- setTranslation(mCurrView, 0);
- mCallback.onSnapBackCompleted(mCurrView);
- mCurrView = null;
- }
- mDragging = false;
- }
- }
-
- public void resetTranslation(View v) {
- setTranslation(v, 0);
- }
-
- private float getPos(MotionEvent ev) {
- return mSwipeDirection == X ? ev.getX() : ev.getY();
- }
-
- private float getTranslation(View v) {
- return mSwipeDirection == X ? v.getTranslationX() : v.getTranslationY();
- }
-
- private float getVelocity(VelocityTracker vt) {
- return mSwipeDirection == X ? vt.getXVelocity() :
- vt.getYVelocity();
- }
-
- private ObjectAnimator createTranslationAnimation(View v, float newPos) {
- ObjectAnimator anim = ObjectAnimator.ofFloat(v,
- mSwipeDirection == X ? View.TRANSLATION_X : View.TRANSLATION_Y, newPos);
- return anim;
- }
-
- private float getPerpendicularVelocity(VelocityTracker vt) {
- return mSwipeDirection == X ? vt.getYVelocity() :
- vt.getXVelocity();
- }
-
- private void setTranslation(View v, float translate) {
- if (mSwipeDirection == X) {
- v.setTranslationX(translate);
- } else {
- v.setTranslationY(translate);
- }
- }
-
- private float getSize(View v) {
- final DisplayMetrics dm = v.getContext().getResources().getDisplayMetrics();
- return mSwipeDirection == X ? dm.widthPixels : dm.heightPixels;
- }
-
- public void setMinAlpha(float minAlpha) {
- mMinAlpha = minAlpha;
- }
-
- float getAlphaForOffset(View view) {
- float viewSize = getSize(view);
- final float fadeSize = ALPHA_FADE_END * viewSize;
- float result = 1.0f;
- float pos = getTranslation(view);
- if (pos >= viewSize * ALPHA_FADE_START) {
- result = 1.0f - (pos - viewSize * ALPHA_FADE_START) / fadeSize;
- } else if (pos < viewSize * (1.0f - ALPHA_FADE_START)) {
- result = 1.0f + (viewSize * ALPHA_FADE_START + pos) / fadeSize;
- }
- result = Math.min(result, 1.0f);
- result = Math.max(result, 0f);
- return Math.max(mMinAlpha, result);
- }
-
- /**
- * Determines whether the given view has RTL layout.
- */
- @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
- public static boolean isLayoutRtl(View view) {
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
- return View.LAYOUT_DIRECTION_RTL == view.getLayoutDirection();
- } else {
- return false;
- }
- }
-
- public boolean onInterceptTouchEvent(MotionEvent ev) {
- final int action = ev.getAction();
-
- switch (action) {
- case MotionEvent.ACTION_DOWN:
- mDragging = false;
- mCurrView = mCallback.getChildAtPosition(ev);
- mVelocityTracker.clear();
- if (mCurrView != null) {
- mRtl = isLayoutRtl(mCurrView);
- mCanCurrViewBeDimissed = mCallback.canChildBeDismissed(mCurrView);
- mVelocityTracker.addMovement(ev);
- mInitialTouchPos = getPos(ev);
- } else {
- mCanCurrViewBeDimissed = false;
- }
- break;
- case MotionEvent.ACTION_MOVE:
- if (mCurrView != null) {
- mVelocityTracker.addMovement(ev);
- float pos = getPos(ev);
- float delta = pos - mInitialTouchPos;
- if (Math.abs(delta) > mPagingTouchSlop) {
- mCallback.onBeginDrag(mCurrView);
- mDragging = true;
- mInitialTouchPos = pos - getTranslation(mCurrView);
- }
- }
- break;
- case MotionEvent.ACTION_UP:
- case MotionEvent.ACTION_CANCEL:
- mDragging = false;
- mCurrView = null;
- break;
- }
- return mDragging;
- }
-
- /**
- * @param view The view to be dismissed
- * @param velocity The desired pixels/second speed at which the view should move
- */
- private void dismissChild(final View view, float velocity) {
- final boolean canAnimViewBeDismissed = mCallback.canChildBeDismissed(view);
- float newPos;
- if (velocity < 0
- || (velocity == 0 && getTranslation(view) < 0)
- // if we use the Menu to dismiss an item in landscape, animate up
- || (velocity == 0 && getTranslation(view) == 0 && mSwipeDirection == Y)) {
- newPos = -getSize(view);
- } else {
- newPos = getSize(view);
- }
- int duration = MAX_ESCAPE_ANIMATION_DURATION;
- if (velocity != 0) {
- duration = Math.min(duration,
- (int) (Math.abs(newPos - getTranslation(view)) *
- 1000f / Math.abs(velocity)));
- } else {
- duration = DEFAULT_ESCAPE_ANIMATION_DURATION;
- }
-
- ValueAnimator anim = createTranslationAnimation(view, newPos);
- anim.setInterpolator(sLinearInterpolator);
- anim.setDuration(duration);
- anim.addListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationEnd(Animator animation) {
- mCallback.onChildDismissed(view);
- if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
- view.setAlpha(1.f);
- }
- }
- });
- anim.addUpdateListener(new AnimatorUpdateListener() {
- @Override
- public void onAnimationUpdate(ValueAnimator animation) {
- if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
- view.setAlpha(getAlphaForOffset(view));
- }
- }
- });
- anim.start();
- }
-
- private void snapChild(final View view, float velocity) {
- final boolean canAnimViewBeDismissed = mCallback.canChildBeDismissed(view);
- ValueAnimator anim = createTranslationAnimation(view, mSnapBackTranslationX);
- int duration = SNAP_ANIM_LEN;
- anim.setDuration(duration);
- anim.setInterpolator(mLinearOutSlowInInterpolator);
- anim.addUpdateListener(new AnimatorUpdateListener() {
- @Override
- public void onAnimationUpdate(ValueAnimator animation) {
- if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
- view.setAlpha(getAlphaForOffset(view));
- }
- mCallback.onSwipeChanged(mCurrView, view.getTranslationX());
- }
- });
- anim.addListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationEnd(Animator animation) {
- if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
- view.setAlpha(1.0f);
- }
- mCallback.onSnapBackCompleted(view);
- }
- });
- anim.start();
- }
-
- public boolean onTouchEvent(MotionEvent ev) {
- if (!mDragging) {
- if (!onInterceptTouchEvent(ev)) {
- return mCanCurrViewBeDimissed;
- }
- }
-
- mVelocityTracker.addMovement(ev);
- final int action = ev.getAction();
- switch (action) {
- case MotionEvent.ACTION_OUTSIDE:
- case MotionEvent.ACTION_MOVE:
- if (mCurrView != null) {
- float delta = getPos(ev) - mInitialTouchPos;
- setSwipeAmount(delta);
- mCallback.onSwipeChanged(mCurrView, delta);
- }
- break;
- case MotionEvent.ACTION_UP:
- case MotionEvent.ACTION_CANCEL:
- if (mCurrView != null) {
- endSwipe(mVelocityTracker);
- }
- break;
- }
- return true;
- }
-
- private void setSwipeAmount(float amount) {
- // don't let items that can't be dismissed be dragged more than
- // maxScrollDistance
- if (CONSTRAIN_SWIPE
- && (!isValidSwipeDirection(amount) || !mCallback.canChildBeDismissed(mCurrView))) {
- float size = getSize(mCurrView);
- float maxScrollDistance = 0.15f * size;
- if (Math.abs(amount) >= size) {
- amount = amount > 0 ? maxScrollDistance : -maxScrollDistance;
- } else {
- amount = maxScrollDistance * (float) Math.sin((amount/size)*(Math.PI/2));
- }
- }
- setTranslation(mCurrView, amount);
- if (FADE_OUT_DURING_SWIPE && mCanCurrViewBeDimissed) {
- float alpha = getAlphaForOffset(mCurrView);
- mCurrView.setAlpha(alpha);
- }
- }
-
- private boolean isValidSwipeDirection(float amount) {
- if (mSwipeDirection == X) {
- if (mRtl) {
- return (amount <= 0) ? mAllowSwipeTowardsEnd : mAllowSwipeTowardsStart;
- } else {
- return (amount <= 0) ? mAllowSwipeTowardsStart : mAllowSwipeTowardsEnd;
- }
- }
-
- // Vertical swipes are always valid.
- return true;
- }
-
- private void endSwipe(VelocityTracker velocityTracker) {
- velocityTracker.computeCurrentVelocity(1000 /* px/sec */);
- float velocity = getVelocity(velocityTracker);
- float perpendicularVelocity = getPerpendicularVelocity(velocityTracker);
- float escapeVelocity = SWIPE_ESCAPE_VELOCITY * mDensityScale;
- float translation = getTranslation(mCurrView);
- // Decide whether to dismiss the current view
- boolean childSwipedFarEnough = DISMISS_IF_SWIPED_FAR_ENOUGH &&
- Math.abs(translation) > 0.6 * getSize(mCurrView);
- boolean childSwipedFastEnough = (Math.abs(velocity) > escapeVelocity) &&
- (Math.abs(velocity) > Math.abs(perpendicularVelocity)) &&
- (velocity > 0) == (translation > 0);
-
- boolean dismissChild = mCallback.canChildBeDismissed(mCurrView)
- && isValidSwipeDirection(translation)
- && (childSwipedFastEnough || childSwipedFarEnough);
-
- if (dismissChild) {
- // flingadingy
- dismissChild(mCurrView, childSwipedFastEnough ? velocity : 0f);
- } else {
- // snappity
- mCallback.onDragCancelled(mCurrView);
- snapChild(mCurrView, velocity);
- }
- }
-
- public interface Callback {
- View getChildAtPosition(MotionEvent ev);
-
- boolean canChildBeDismissed(View v);
-
- void onBeginDrag(View v);
-
- void onSwipeChanged(View v, float delta);
-
- void onChildDismissed(View v);
-
- void onSnapBackCompleted(View v);
-
- void onDragCancelled(View v);
- }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index 9c5756b..a8aa8fb 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -1115,14 +1115,9 @@
}
}
- public boolean isTransformedTouchPointInView(float x, float y, TaskView tv) {
- final float[] point = new float[2];
- point[0] = x;
- point[1] = y;
- transformPointToViewLocal(point, tv);
- x = point[0];
- y = point[1];
- return (0 <= x) && (x < tv.getWidth()) && (0 <= y) && (y < tv.getHeight());
+ public boolean isTouchPointInView(float x, float y, TaskView tv) {
+ return (tv.getLeft() <= x && x <= tv.getRight()) &&
+ (tv.getTop() <= y && y <= tv.getBottom());
}
@Override
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
index 31f7559..a0bb0ef 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
@@ -20,6 +20,7 @@
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
+import android.util.DisplayMetrics;
import android.util.Log;
import android.view.InputDevice;
import android.view.MotionEvent;
@@ -29,6 +30,7 @@
import android.view.ViewParent;
import com.android.internal.logging.MetricsLogger;
import com.android.systemui.R;
+import com.android.systemui.SwipeHelper;
import com.android.systemui.recents.Constants;
import com.android.systemui.recents.Recents;
import com.android.systemui.recents.events.EventBus;
@@ -80,19 +82,21 @@
Resources res = context.getResources();
ViewConfiguration configuration = ViewConfiguration.get(context);
mContext = context;
+ mSv = sv;
+ mScroller = scroller;
mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
mScrollTouchSlop = configuration.getScaledTouchSlop();
mWindowTouchSlop = configuration.getScaledWindowTouchSlop();
- mSv = sv;
- mScroller = scroller;
mFlingAnimUtils = new FlingAnimationUtils(context, 0.2f);
-
- float densityScale = res.getDisplayMetrics().density;
mOverscrollSize = res.getDimensionPixelSize(R.dimen.recents_stack_overscroll);
- mSwipeHelper = new SwipeHelper(context, SwipeHelper.X, this, densityScale,
- configuration.getScaledPagingTouchSlop());
- mSwipeHelper.setMinAlpha(1f);
+ mSwipeHelper = new SwipeHelper(SwipeHelper.X, this, context) {
+ @Override
+ protected float getSize(View v) {
+ return mSv.getWidth();
+ }
+ };
+ mSwipeHelper.setDisableHardwareLayers(true);
}
/** Velocity tracker helpers */
@@ -117,7 +121,7 @@
for (int i = taskViewCount - 1; i >= 0; i--) {
TaskView tv = taskViews.get(i);
if (tv.getVisibility() == View.VISIBLE) {
- if (mSv.isTransformedTouchPointInView(x, y, tv)) {
+ if (mSv.isTouchPointInView(x, y, tv)) {
return tv;
}
}
@@ -345,7 +349,7 @@
@Override
public void onBeginDrag(View v) {
TaskView tv = (TaskView) v;
- mSwipeHelper.setSnapBackTranslationX(tv.getTranslationX());
+
// Disable clipping with the stack while we are swiping
tv.setClipViewInStack(false);
// Disallow touch events from this task view
@@ -358,8 +362,8 @@
}
@Override
- public void onSwipeChanged(View v, float delta) {
- // Do nothing
+ public boolean updateSwipeProgress(View v, boolean dismissable, float swipeProgress) {
+ return true;
}
@Override
@@ -377,7 +381,7 @@
}
@Override
- public void onSnapBackCompleted(View v) {
+ public void onChildSnappedBack(View v) {
TaskView tv = (TaskView) v;
// Re-enable clipping with the stack
tv.setClipViewInStack(true);
@@ -389,4 +393,20 @@
public void onDragCancelled(View v) {
// Do nothing
}
+
+ @Override
+ public View getChildContentView(View v) {
+ return v;
+ }
+
+ @Override
+ public boolean isAntiFalsingNeeded() {
+ return false;
+ }
+
+ @Override
+ public float getFalsingThresholdFactor() {
+ return 0;
+ }
+
}