Implemented basic camera and phone affordance.
The phone and the camera can now be accessed when swiping anywhere
on the background of the keyguard in the corresponding direction.
Bug: 15126905
Change-Id: If5551078676275764d5b7ddbca6e71cf008a1904
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AlphaImageView.java b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaImageView.java
new file mode 100644
index 0000000..06dc4e6
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaImageView.java
@@ -0,0 +1,48 @@
+/*
+ * 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.statusbar;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.ImageView;
+
+/**
+ * An ImageView which does not have overlapping renderings commands and therefore does not need a
+ * layer when alpha is changed.
+ */
+public class AlphaImageView extends ImageView {
+ public AlphaImageView(Context context) {
+ super(context);
+ }
+
+ public AlphaImageView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ }
+
+ public AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+ super(context, attrs, defStyleAttr, defStyleRes);
+ }
+
+ @Override
+ public boolean hasOverlappingRendering() {
+ return false;
+ }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java b/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
index 7d576cb..5f1325b5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
@@ -18,6 +18,7 @@
import android.animation.ValueAnimator;
import android.content.Context;
+import android.view.ViewPropertyAnimator;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.view.animation.PathInterpolator;
@@ -46,6 +47,8 @@
private float mMaxLengthSeconds;
private float mHighVelocityPxPerSecond;
+ private AnimatorProperties mAnimatorProperties = new AnimatorProperties();
+
public FlingAnimationUtils(Context ctx, float maxLengthSeconds) {
mMaxLengthSeconds = maxLengthSeconds;
mLinearOutSlowIn = new PathInterpolator(0, 0, LINEAR_OUT_SLOW_IN_X2, 1);
@@ -80,18 +83,59 @@
* @param currValue the current value
* @param endValue the end value of the animator
* @param velocity the current velocity of the motion
+ */
+ public void apply(ViewPropertyAnimator animator, float currValue, float endValue,
+ float velocity) {
+ apply(animator, currValue, endValue, velocity, Math.abs(endValue - currValue));
+ }
+
+ /**
+ * Applies the interpolator and length to the animator, such that the fling animation is
+ * consistent with the finger motion.
+ *
+ * @param animator the animator to apply
+ * @param currValue the current value
+ * @param endValue the end value of the animator
+ * @param velocity the current velocity of the motion
* @param maxDistance the maximum distance for this interaction; the maximum animation length
* gets multiplied by the ratio between the actual distance and this value
*/
public void apply(ValueAnimator animator, float currValue, float endValue, float velocity,
float maxDistance) {
+ AnimatorProperties properties = getProperties(currValue, endValue, velocity,
+ maxDistance);
+ animator.setDuration(properties.duration);
+ animator.setInterpolator(properties.interpolator);
+ }
+
+ /**
+ * Applies the interpolator and length to the animator, such that the fling animation is
+ * consistent with the finger motion.
+ *
+ * @param animator the animator to apply
+ * @param currValue the current value
+ * @param endValue the end value of the animator
+ * @param velocity the current velocity of the motion
+ * @param maxDistance the maximum distance for this interaction; the maximum animation length
+ * gets multiplied by the ratio between the actual distance and this value
+ */
+ public void apply(ViewPropertyAnimator animator, float currValue, float endValue,
+ float velocity, float maxDistance) {
+ AnimatorProperties properties = getProperties(currValue, endValue, velocity,
+ maxDistance);
+ animator.setDuration(properties.duration);
+ animator.setInterpolator(properties.interpolator);
+ }
+
+ private AnimatorProperties getProperties(float currValue,
+ float endValue, float velocity, float maxDistance) {
float maxLengthSeconds = (float) (mMaxLengthSeconds
* Math.sqrt(Math.abs(endValue - currValue) / maxDistance));
float diff = Math.abs(endValue - currValue);
float velAbs = Math.abs(velocity);
float durationSeconds = LINEAR_OUT_SLOW_IN_START_GRADIENT * diff / velAbs;
if (durationSeconds <= maxLengthSeconds) {
- animator.setInterpolator(mLinearOutSlowIn);
+ mAnimatorProperties.interpolator = mLinearOutSlowIn;
} else if (velAbs >= mMinVelocityPxPerSecond) {
// Cross fade between fast-out-slow-in and linear interpolator with current velocity.
@@ -100,14 +144,15 @@
= new VelocityInterpolator(durationSeconds, velAbs, diff);
InterpolatorInterpolator superInterpolator = new InterpolatorInterpolator(
velocityInterpolator, mLinearOutSlowIn, mLinearOutSlowIn);
- animator.setInterpolator(superInterpolator);
+ mAnimatorProperties.interpolator = superInterpolator;
} else {
// Just use a normal interpolator which doesn't take the velocity into account.
durationSeconds = maxLengthSeconds;
- animator.setInterpolator(mFastOutSlowIn);
+ mAnimatorProperties.interpolator = mFastOutSlowIn;
}
- animator.setDuration((long) (durationSeconds * 1000));
+ mAnimatorProperties.duration = (long) (durationSeconds * 1000);
+ return mAnimatorProperties;
}
/**
@@ -124,6 +169,34 @@
*/
public void applyDismissing(ValueAnimator animator, float currValue, float endValue,
float velocity, float maxDistance) {
+ AnimatorProperties properties = getDismissingProperties(currValue, endValue, velocity,
+ maxDistance);
+ animator.setDuration(properties.duration);
+ animator.setInterpolator(properties.interpolator);
+ }
+
+ /**
+ * Applies the interpolator and length to the animator, such that the fling animation is
+ * consistent with the finger motion for the case when the animation is making something
+ * disappear.
+ *
+ * @param animator the animator to apply
+ * @param currValue the current value
+ * @param endValue the end value of the animator
+ * @param velocity the current velocity of the motion
+ * @param maxDistance the maximum distance for this interaction; the maximum animation length
+ * gets multiplied by the ratio between the actual distance and this value
+ */
+ public void applyDismissing(ViewPropertyAnimator animator, float currValue, float endValue,
+ float velocity, float maxDistance) {
+ AnimatorProperties properties = getDismissingProperties(currValue, endValue, velocity,
+ maxDistance);
+ animator.setDuration(properties.duration);
+ animator.setInterpolator(properties.interpolator);
+ }
+
+ private AnimatorProperties getDismissingProperties(float currValue, float endValue,
+ float velocity, float maxDistance) {
float maxLengthSeconds = (float) (mMaxLengthSeconds
* Math.pow(Math.abs(endValue - currValue) / maxDistance, 0.5f));
float diff = Math.abs(endValue - currValue);
@@ -135,7 +208,7 @@
Interpolator mLinearOutFasterIn = new PathInterpolator(0, 0, 1, y2);
float durationSeconds = startGradient * diff / velAbs;
if (durationSeconds <= maxLengthSeconds) {
- animator.setInterpolator(mLinearOutFasterIn);
+ mAnimatorProperties.interpolator = mLinearOutFasterIn;
} else if (velAbs >= mMinVelocityPxPerSecond) {
// Cross fade between linear-out-faster-in and linear interpolator with current
@@ -145,14 +218,15 @@
= new VelocityInterpolator(durationSeconds, velAbs, diff);
InterpolatorInterpolator superInterpolator = new InterpolatorInterpolator(
velocityInterpolator, mLinearOutFasterIn, mLinearOutSlowIn);
- animator.setInterpolator(superInterpolator);
+ mAnimatorProperties.interpolator = superInterpolator;
} else {
// Just use a normal interpolator which doesn't take the velocity into account.
durationSeconds = maxLengthSeconds;
- animator.setInterpolator(mFastOutLinearIn);
+ mAnimatorProperties.interpolator = mFastOutLinearIn;
}
- animator.setDuration((long) (durationSeconds * 1000));
+ mAnimatorProperties.duration = (long) (durationSeconds * 1000);
+ return mAnimatorProperties;
}
/**
@@ -221,4 +295,10 @@
return time * mVelocity / mDiff;
}
}
+
+ private static class AnimatorProperties {
+ Interpolator interpolator;
+ long duration;
+ }
+
}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
index 714ad06..994b329 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
@@ -23,7 +23,6 @@
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
-import android.os.PowerManager;
import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.MediaStore;
@@ -33,26 +32,23 @@
import android.view.accessibility.AccessibilityManager;
import android.widget.FrameLayout;
import android.widget.ImageView;
-
import com.android.systemui.R;
/**
* Implementation for the bottom area of the Keyguard, including camera/phone affordance and status
* text.
*/
-public class KeyguardBottomAreaView extends FrameLayout
- implements SwipeAffordanceView.AffordanceListener,
+public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickListener,
UnlockMethodCache.OnUnlockMethodChangedListener {
final static String TAG = "PhoneStatusBar/KeyguardBottomAreaView";
private static final Intent PHONE_INTENT = new Intent(Intent.ACTION_DIAL);
- private SwipeAffordanceView mCameraButton;
- private SwipeAffordanceView mPhoneButton;
+ private ImageView mCameraImageView;
+ private ImageView mPhoneImageView;
private ImageView mLockIcon;
- private PowerManager mPowerManager;
private ActivityStarter mActivityStarter;
private UnlockMethodCache mUnlockMethodCache;
@@ -76,11 +72,9 @@
@Override
protected void onFinishInflate() {
super.onFinishInflate();
- mCameraButton = (SwipeAffordanceView) findViewById(R.id.camera_button);
- mPhoneButton = (SwipeAffordanceView) findViewById(R.id.phone_button);
+ mCameraImageView = (ImageView) findViewById(R.id.camera_button);
+ mPhoneImageView = (ImageView) findViewById(R.id.phone_button);
mLockIcon = (ImageView) findViewById(R.id.lock_icon);
- mCameraButton.setAffordanceListener(this);
- mPhoneButton.setAffordanceListener(this);
watchForDevicePolicyChanges();
watchForAccessibilityChanges();
updateCameraVisibility();
@@ -88,7 +82,6 @@
mUnlockMethodCache = UnlockMethodCache.getInstance(getContext());
mUnlockMethodCache.addListener(this);
updateTrust();
- mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
}
public void setActivityStarter(ActivityStarter activityStarter) {
@@ -97,12 +90,12 @@
private void updateCameraVisibility() {
boolean visible = !isCameraDisabledByDpm();
- mCameraButton.setVisibility(visible ? View.VISIBLE : View.GONE);
+ mCameraImageView.setVisibility(visible ? View.VISIBLE : View.GONE);
}
private void updatePhoneVisibility() {
boolean visible = isPhoneVisible();
- mPhoneButton.setVisibility(visible ? View.VISIBLE : View.GONE);
+ mPhoneImageView.setVisibility(visible ? View.VISIBLE : View.GONE);
}
private boolean isPhoneVisible() {
@@ -162,33 +155,31 @@
}
private void enableAccessibility(boolean touchExplorationEnabled) {
- mCameraButton.enableAccessibility(touchExplorationEnabled);
- mPhoneButton.enableAccessibility(touchExplorationEnabled);
+ mCameraImageView.setOnClickListener(touchExplorationEnabled ? this : null);
+ mCameraImageView.setClickable(touchExplorationEnabled);
+ mPhoneImageView.setOnClickListener(touchExplorationEnabled ? this : null);
+ mPhoneImageView.setClickable(touchExplorationEnabled);
}
- private void launchCamera() {
+ @Override
+ public void onClick(View v) {
+ if (v == mCameraImageView) {
+ launchCamera();
+ } else if (v == mPhoneImageView) {
+ launchPhone();
+ }
+ }
+
+ public void launchCamera() {
mContext.startActivityAsUser(
new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE),
UserHandle.CURRENT);
}
- private void launchPhone() {
+ public void launchPhone() {
mActivityStarter.startActivity(PHONE_INTENT);
}
- @Override
- public void onUserActivity(long when) {
- mPowerManager.userActivity(when, false);
- }
-
- @Override
- public void onActionPerformed(SwipeAffordanceView view) {
- if (view == mCameraButton) {
- launchCamera();
- } else if (view == mPhoneButton) {
- launchPhone();
- }
- }
@Override
protected void onVisibilityChanged(View changedView, int visibility) {
@@ -208,6 +199,18 @@
mLockIcon.setImageResource(iconRes);
}
+ public ImageView getPhoneImageView() {
+ return mPhoneImageView;
+ }
+
+ public ImageView getCameraImageView() {
+ return mCameraImageView;
+ }
+
+ public ImageView getLockIcon() {
+ return mLockIcon;
+ }
+
@Override
public void onMethodSecureChanged(boolean methodSecure) {
updateTrust();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPageSwipeHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPageSwipeHelper.java
new file mode 100644
index 0000000..b4f4865
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPageSwipeHelper.java
@@ -0,0 +1,398 @@
+/*
+ * 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.statusbar.phone;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.os.PowerManager;
+import android.view.MotionEvent;
+import android.view.VelocityTracker;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.view.ViewPropertyAnimator;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+import com.android.systemui.R;
+import com.android.systemui.statusbar.FlingAnimationUtils;
+
+import java.util.ArrayList;
+
+/**
+ * A touch handler of the Keyguard which is responsible for swiping the content left or right.
+ */
+public class KeyguardPageSwipeHelper {
+
+ private static final float SWIPE_MAX_ICON_SCALE_AMOUNT = 2.0f;
+ private static final float SWIPE_RESTING_ALPHA_AMOUNT = 0.7f;
+ private final Context mContext;
+
+ private FlingAnimationUtils mFlingAnimationUtils;
+ private Callback mCallback;
+ private int mTrackingPointer;
+ private VelocityTracker mVelocityTracker;
+ private boolean mSwipingInProgress;
+ private float mInitialTouchX;
+ private float mInitialTouchY;
+ private float mTranslation;
+ private float mTranslationOnDown;
+ private int mTouchSlop;
+ private int mMinTranslationAmount;
+ private int mMinFlingVelocity;
+ private PowerManager mPowerManager;
+ private final View mLeftIcon;
+ private final View mCenterIcon;
+ private final View mRightIcon;
+ private Interpolator mFastOutSlowIn;
+ private Animator mSwipeAnimator;
+ private boolean mCallbackCalled;
+
+ KeyguardPageSwipeHelper(Callback callback, Context context) {
+ mContext = context;
+ mCallback = callback;
+ mLeftIcon = mCallback.getLeftIcon();
+ mCenterIcon = mCallback.getCenterIcon();
+ mRightIcon = mCallback.getRightIcon();
+ updateIcon(mLeftIcon, 1.0f, SWIPE_RESTING_ALPHA_AMOUNT, false);
+ updateIcon(mCenterIcon, 1.0f, SWIPE_RESTING_ALPHA_AMOUNT, false);
+ updateIcon(mRightIcon, 1.0f, SWIPE_RESTING_ALPHA_AMOUNT, false);
+ mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+ initDimens();
+ }
+
+ private void initDimens() {
+ final ViewConfiguration configuration = ViewConfiguration.get(mContext);
+ mTouchSlop = configuration.getScaledTouchSlop();
+ mMinFlingVelocity = configuration.getScaledMinimumFlingVelocity();
+ mMinTranslationAmount = mContext.getResources().getDimensionPixelSize(
+ R.dimen.keyguard_min_swipe_amount);
+ mFlingAnimationUtils = new FlingAnimationUtils(mContext, 0.4f);
+ mFastOutSlowIn = AnimationUtils.loadInterpolator(mContext,
+ android.R.interpolator.fast_out_slow_in);
+ }
+
+ public boolean onTouchEvent(MotionEvent event) {
+ int pointerIndex = event.findPointerIndex(mTrackingPointer);
+ if (pointerIndex < 0) {
+ pointerIndex = 0;
+ mTrackingPointer = event.getPointerId(pointerIndex);
+ }
+ final float y = event.getY(pointerIndex);
+ final float x = event.getX(pointerIndex);
+
+ switch (event.getActionMasked()) {
+ case MotionEvent.ACTION_DOWN:
+ if (mSwipingInProgress) {
+ cancelAnimations();
+ }
+ mInitialTouchY = y;
+ mInitialTouchX = x;
+ mTranslationOnDown = mTranslation;
+ initVelocityTracker();
+ trackMovement(event);
+ break;
+
+ case MotionEvent.ACTION_POINTER_UP:
+ final int upPointer = event.getPointerId(event.getActionIndex());
+ if (mTrackingPointer == upPointer) {
+ // gesture is ongoing, find a new pointer to track
+ final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
+ final float newY = event.getY(newIndex);
+ final float newX = event.getX(newIndex);
+ mTrackingPointer = event.getPointerId(newIndex);
+ mInitialTouchY = newY;
+ mInitialTouchX = newX;
+ mTranslationOnDown = mTranslation;
+ }
+ break;
+
+ case MotionEvent.ACTION_MOVE:
+ final float w = x - mInitialTouchX;
+ trackMovement(event);
+ if (((leftSwipePossible() && w > mTouchSlop)
+ || (rightSwipePossible() && w < -mTouchSlop))
+ && Math.abs(w) > Math.abs(y - mInitialTouchY)
+ && !mSwipingInProgress) {
+ cancelAnimations();
+ mInitialTouchY = y;
+ mInitialTouchX = x;
+ mTranslationOnDown = mTranslation;
+ mSwipingInProgress = true;
+ }
+ if (mSwipingInProgress) {
+ setTranslation(mTranslationOnDown + x - mInitialTouchX, false);
+ onUserActivity(event.getEventTime());
+ }
+ break;
+
+ case MotionEvent.ACTION_UP:
+ case MotionEvent.ACTION_CANCEL:
+ mTrackingPointer = -1;
+ trackMovement(event);
+ if (mSwipingInProgress) {
+ flingWithCurrentVelocity();
+ }
+ if (mVelocityTracker != null) {
+ mVelocityTracker.recycle();
+ mVelocityTracker = null;
+ }
+ break;
+ }
+ return true;
+ }
+
+ private boolean rightSwipePossible() {
+ return mRightIcon.getVisibility() == View.VISIBLE;
+ }
+
+ private boolean leftSwipePossible() {
+ return mLeftIcon.getVisibility() == View.VISIBLE;
+ }
+
+ public boolean onInterceptTouchEvent(MotionEvent ev) {
+ return false;
+ }
+
+ private void onUserActivity(long when) {
+ mPowerManager.userActivity(when, false);
+ }
+
+ private void cancelAnimations() {
+ ArrayList<View> targetViews = mCallback.getTranslationViews();
+ for (View target : targetViews) {
+ target.animate().cancel();
+ }
+ View targetView = mTranslation > 0 ? mLeftIcon : mRightIcon;
+ targetView.animate().cancel();
+ if (mSwipeAnimator != null) {
+ mSwipeAnimator.removeAllListeners();
+ mSwipeAnimator.cancel();
+ hideInactiveIcons(true);
+ }
+ }
+
+ private void flingWithCurrentVelocity() {
+ float vel = getCurrentVelocity();
+
+ // We snap back if the current translation is not far enough
+ boolean snapBack = Math.abs(mTranslation) < mMinTranslationAmount;
+
+ // or if the velocity is in the opposite direction.
+ boolean velIsInWrongDirection = vel * mTranslation < 0;
+ snapBack |= Math.abs(vel) > mMinFlingVelocity && velIsInWrongDirection;
+ vel = snapBack ^ velIsInWrongDirection ? 0 : vel;
+ fling(vel, snapBack);
+ }
+
+ private void fling(float vel, final boolean snapBack) {
+ float target = mTranslation < 0 ? -mCallback.getPageWidth() : mCallback.getPageWidth();
+ target = snapBack ? 0 : target;
+
+ // translation Animation
+ startTranslationAnimations(vel, target);
+
+ // animate left / right icon
+ startIconAnimation(vel, snapBack, target);
+
+ ValueAnimator animator = ValueAnimator.ofFloat(mTranslation, target);
+ mFlingAnimationUtils.apply(animator, mTranslation, target, vel);
+ animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+ @Override
+ public void onAnimationUpdate(ValueAnimator animation) {
+ mTranslation = (float) animation.getAnimatedValue();
+ }
+ });
+ animator.addListener(new AnimatorListenerAdapter() {
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ mSwipeAnimator = null;
+ mSwipingInProgress = false;
+ if (!snapBack && !mCallbackCalled) {
+
+ // ensure that the callback is called eventually
+ mCallback.onAnimationToSideStarted(mTranslation < 0);
+ mCallbackCalled = true;
+ }
+ }
+ });
+ if (!snapBack) {
+ mCallbackCalled = false;
+ animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+ int frameNumber;
+
+ @Override
+ public void onAnimationUpdate(ValueAnimator animation) {
+ if (frameNumber == 2 && !mCallbackCalled) {
+
+ // we have to wait for the second frame for this call,
+ // until the render thread has definitely kicked in, to avoid a lag.
+ mCallback.onAnimationToSideStarted(mTranslation < 0);
+ mCallbackCalled = true;
+ }
+ frameNumber++;
+ }
+ });
+ } else {
+ showAllIcons(true);
+ }
+ animator.start();
+ mSwipeAnimator = animator;
+ }
+
+ private void startTranslationAnimations(float vel, float target) {
+ ArrayList<View> targetViews = mCallback.getTranslationViews();
+ for (View targetView : targetViews) {
+ ViewPropertyAnimator animator = targetView.animate();
+ mFlingAnimationUtils.apply(animator, mTranslation, target, vel);
+ animator.translationX(target);
+ }
+ }
+
+ private void startIconAnimation(float vel, boolean snapBack, float target) {
+ float scale = snapBack ? 1.0f : SWIPE_MAX_ICON_SCALE_AMOUNT;
+ float alpha = snapBack ? SWIPE_RESTING_ALPHA_AMOUNT : 1.0f;
+ View targetView = mTranslation > 0
+ ? mLeftIcon
+ : mRightIcon;
+ if (targetView.getVisibility() == View.VISIBLE) {
+ ViewPropertyAnimator iconAnimator = targetView.animate();
+ mFlingAnimationUtils.apply(iconAnimator, mTranslation, target, vel);
+ iconAnimator.scaleX(scale);
+ iconAnimator.scaleY(scale);
+ iconAnimator.alpha(alpha);
+ }
+ }
+
+ private void setTranslation(float translation, boolean isReset) {
+ translation = rightSwipePossible() ? translation : Math.max(0, translation);
+ translation = leftSwipePossible() ? translation : Math.min(0, translation);
+ if (translation != mTranslation) {
+ ArrayList<View> translatedViews = mCallback.getTranslationViews();
+ for (View view : translatedViews) {
+ view.setTranslationX(translation);
+ }
+ if (translation == 0.0f) {
+ boolean animate = !isReset;
+ showAllIcons(animate);
+ } else {
+ View targetView = translation > 0 ? mLeftIcon : mRightIcon;
+ float progress = Math.abs(translation) / mCallback.getPageWidth();
+ progress = Math.min(progress, 1.0f);
+ float alpha = SWIPE_RESTING_ALPHA_AMOUNT * (1.0f - progress) + progress;
+ float scale = (1.0f - progress) + progress * SWIPE_MAX_ICON_SCALE_AMOUNT;
+ updateIcon(targetView, scale, alpha, false);
+ View otherView = translation < 0 ? mLeftIcon : mRightIcon;
+ if (mTranslation * translation <= 0) {
+ // The sign of the translation has changed so we need to hide the other icons
+ updateIcon(otherView, 0, 0, true);
+ updateIcon(mCenterIcon, 0, 0, true);
+ }
+ }
+ mTranslation = translation;
+ }
+ }
+
+ private void showAllIcons(boolean animate) {
+ float scale = 1.0f;
+ float alpha = SWIPE_RESTING_ALPHA_AMOUNT;
+ updateIcon(mRightIcon, scale, alpha, animate);
+ updateIcon(mCenterIcon, scale, alpha, animate);
+ updateIcon(mLeftIcon, scale, alpha, animate);
+ }
+
+ private void hideInactiveIcons(boolean animate){
+ View otherView = mTranslation < 0 ? mLeftIcon : mRightIcon;
+ updateIcon(otherView, 0, 0, animate);
+ updateIcon(mCenterIcon, 0, 0, animate);
+ }
+
+ private void updateIcon(View view, float scale, float alpha, boolean animate) {
+ if (view.getVisibility() != View.VISIBLE) {
+ return;
+ }
+ if (!animate) {
+ view.setAlpha(alpha);
+ view.setScaleX(scale);
+ view.setScaleY(scale);
+ // TODO: remove this invalidate once the property setters invalidate it properly
+ view.invalidate();
+ } else {
+ if (view.getAlpha() != alpha || view.getScaleX() != scale) {
+ view.animate()
+ .setInterpolator(mFastOutSlowIn)
+ .alpha(alpha)
+ .scaleX(scale)
+ .scaleY(scale);
+ }
+ }
+ }
+
+ private void trackMovement(MotionEvent event) {
+ if (mVelocityTracker != null) {
+ mVelocityTracker.addMovement(event);
+ }
+ }
+
+ private void initVelocityTracker() {
+ if (mVelocityTracker != null) {
+ mVelocityTracker.recycle();
+ }
+ mVelocityTracker = VelocityTracker.obtain();
+ }
+
+ private float getCurrentVelocity() {
+ if (mVelocityTracker == null) {
+ return 0;
+ }
+ mVelocityTracker.computeCurrentVelocity(1000);
+ return mVelocityTracker.getXVelocity();
+ }
+
+ public void onConfigurationChanged() {
+ initDimens();
+ }
+
+ public void reset() {
+ setTranslation(0.0f, true);
+ mSwipingInProgress = false;
+ }
+
+ public boolean isSwipingInProgress() {
+ return mSwipingInProgress;
+ }
+
+ public interface Callback {
+
+ /**
+ * Notifies the callback when an animation to a side page was started.
+ *
+ * @param rightPage Is the page animated to the right page?
+ */
+ void onAnimationToSideStarted(boolean rightPage);
+
+ float getPageWidth();
+
+ ArrayList<View> getTranslationViews();
+
+ View getLeftIcon();
+
+ View getCenterIcon();
+
+ View getRightIcon();
+ }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 52688df..838e5e3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -21,6 +21,7 @@
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
+import android.content.res.Configuration;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.VelocityTracker;
@@ -40,10 +41,13 @@
import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
import com.android.systemui.statusbar.stack.StackStateAnimator;
+import java.util.ArrayList;
+
public class NotificationPanelView extends PanelView implements
ExpandableView.OnHeightChangedListener, ObservableScrollView.Listener,
- View.OnClickListener {
+ View.OnClickListener, KeyguardPageSwipeHelper.Callback {
+ private KeyguardPageSwipeHelper mPageSwiper;
PhoneStatusBar mStatusBar;
private StatusBarHeaderView mHeader;
private View mQsContainer;
@@ -58,7 +62,7 @@
private int mTrackingPointer;
private VelocityTracker mVelocityTracker;
- private boolean mTracking;
+ private boolean mQsTracking;
/**
* Whether we are currently handling a motion gesture in #onInterceptTouchEvent, but haven't
@@ -92,6 +96,11 @@
new KeyguardClockPositionAlgorithm();
private KeyguardClockPositionAlgorithm.Result mClockPositionResult =
new KeyguardClockPositionAlgorithm.Result();
+ private boolean mIsSwipedHorizontally;
+ private boolean mIsExpanding;
+ private KeyguardBottomAreaView mKeyguardBottomArea;
+ private boolean mBlockTouches;
+ private ArrayList<View> mSwipeTranslationViews = new ArrayList<>();
public NotificationPanelView(Context context, AttributeSet attrs) {
super(context, attrs);
@@ -129,6 +138,10 @@
mNotificationStackScroller.setOnHeightChangedListener(this);
mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(getContext(),
android.R.interpolator.fast_out_slow_in);
+ mKeyguardBottomArea = (KeyguardBottomAreaView) findViewById(R.id.keyguard_bottom_area);
+ mSwipeTranslationViews.add(mNotificationStackScroller);
+ mSwipeTranslationViews.add(mKeyguardStatusView);
+ mPageSwiper = new KeyguardPageSwipeHelper(this, getContext());
}
@Override
@@ -247,6 +260,12 @@
mQsExpansionEnabled = qsExpansionEnabled;
}
+ public void resetViews() {
+ mBlockTouches = false;
+ mPageSwiper.reset();
+ closeQs();
+ }
+
public void closeQs() {
cancelAnimation();
setQsExpansion(mQsMinExpansionHeight);
@@ -263,9 +282,7 @@
public void fling(float vel, boolean always) {
GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();
if (gr != null) {
- gr.tag(
- "fling " + ((vel > 0) ? "open" : "closed"),
- "notifications,v=" + vel);
+ gr.tag("fling " + ((vel > 0) ? "open" : "closed"), "notifications,v=" + vel);
}
super.fling(vel, always);
}
@@ -283,6 +300,9 @@
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
+ if (mBlockTouches) {
+ return false;
+ }
int pointerIndex = event.findPointerIndex(mTrackingPointer);
if (pointerIndex < 0) {
pointerIndex = 0;
@@ -298,7 +318,7 @@
mInitialTouchX = x;
initVelocityTracker();
trackMovement(event);
- if (shouldIntercept(mInitialTouchX, mInitialTouchY, 0)) {
+ if (shouldQuickSettingsIntercept(mInitialTouchX, mInitialTouchY, 0)) {
getParent().requestDisallowInterceptTouchEvent(true);
}
break;
@@ -316,7 +336,7 @@
case MotionEvent.ACTION_MOVE:
final float h = y - mInitialTouchY;
trackMovement(event);
- if (mTracking) {
+ if (mQsTracking) {
// Already tracking because onOverscrolled was called. We need to update here
// so we don't stop for a frame until the next touch event gets handled in
@@ -327,12 +347,12 @@
return true;
}
if (Math.abs(h) > mTouchSlop && Math.abs(h) > Math.abs(x - mInitialTouchX)
- && shouldIntercept(mInitialTouchX, mInitialTouchY, h)) {
+ && shouldQuickSettingsIntercept(mInitialTouchX, mInitialTouchY, h)) {
onQsExpansionStarted();
mInitialHeightOnTouch = mQsExpansionHeight;
mInitialTouchY = y;
mInitialTouchX = x;
- mTracking = true;
+ mQsTracking = true;
mIntercepting = false;
return true;
}
@@ -341,9 +361,9 @@
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
trackMovement(event);
- if (mTracking) {
- flingWithCurrentVelocity();
- mTracking = false;
+ if (mQsTracking) {
+ flingQsWithCurrentVelocity();
+ mQsTracking = false;
}
mIntercepting = false;
break;
@@ -362,7 +382,7 @@
super.requestDisallowInterceptTouchEvent(disallowIntercept);
}
- private void flingWithCurrentVelocity() {
+ private void flingQsWithCurrentVelocity() {
float vel = getCurrentVelocity();
// TODO: Better logic whether we should expand or not.
@@ -371,65 +391,83 @@
@Override
public boolean onTouchEvent(MotionEvent event) {
+ if (mBlockTouches) {
+ return false;
+ }
// TODO: Handle doublefinger swipe to notifications again. Look at history for a reference
// implementation.
- if (mTracking) {
- int pointerIndex = event.findPointerIndex(mTrackingPointer);
- if (pointerIndex < 0) {
- pointerIndex = 0;
- mTrackingPointer = event.getPointerId(pointerIndex);
+ if (!mIsExpanding && !mQsExpanded && mStatusBar.getBarState() != StatusBarState.SHADE) {
+ mPageSwiper.onTouchEvent(event);
+ if (mPageSwiper.isSwipingInProgress()) {
+ return true;
}
- final float y = event.getY(pointerIndex);
- final float x = event.getX(pointerIndex);
-
- switch (event.getActionMasked()) {
- case MotionEvent.ACTION_DOWN:
- mTracking = true;
- mInitialTouchY = y;
- mInitialTouchX = x;
- onQsExpansionStarted();
- mInitialHeightOnTouch = mQsExpansionHeight;
- initVelocityTracker();
- trackMovement(event);
- break;
-
- case MotionEvent.ACTION_POINTER_UP:
- final int upPointer = event.getPointerId(event.getActionIndex());
- if (mTrackingPointer == upPointer) {
- // gesture is ongoing, find a new pointer to track
- final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
- final float newY = event.getY(newIndex);
- final float newX = event.getX(newIndex);
- mTrackingPointer = event.getPointerId(newIndex);
- mInitialHeightOnTouch = mQsExpansionHeight;
- mInitialTouchY = newY;
- mInitialTouchX = newX;
- }
- break;
-
- case MotionEvent.ACTION_MOVE:
- final float h = y - mInitialTouchY;
- setQsExpansion(h + mInitialHeightOnTouch);
- trackMovement(event);
- break;
-
- case MotionEvent.ACTION_UP:
- case MotionEvent.ACTION_CANCEL:
- mTracking = false;
- mTrackingPointer = -1;
- trackMovement(event);
- flingWithCurrentVelocity();
- if (mVelocityTracker != null) {
- mVelocityTracker.recycle();
- mVelocityTracker = null;
- }
- break;
- }
- return true;
+ }
+ if (mQsTracking || mQsExpanded) {
+ return onQsTouch(event);
}
- // Consume touch events when QS are expanded.
- return mQsExpanded || super.onTouchEvent(event);
+ super.onTouchEvent(event);
+ return true;
+ }
+
+ @Override
+ protected boolean hasConflictingGestures() {
+ return mStatusBar.getBarState() != StatusBarState.SHADE;
+ }
+
+ private boolean onQsTouch(MotionEvent event) {
+ int pointerIndex = event.findPointerIndex(mTrackingPointer);
+ if (pointerIndex < 0) {
+ pointerIndex = 0;
+ mTrackingPointer = event.getPointerId(pointerIndex);
+ }
+ final float y = event.getY(pointerIndex);
+ final float x = event.getX(pointerIndex);
+
+ switch (event.getActionMasked()) {
+ case MotionEvent.ACTION_DOWN:
+ mQsTracking = true;
+ mInitialTouchY = y;
+ mInitialTouchX = x;
+ onQsExpansionStarted();
+ mInitialHeightOnTouch = mQsExpansionHeight;
+ initVelocityTracker();
+ trackMovement(event);
+ break;
+
+ case MotionEvent.ACTION_POINTER_UP:
+ final int upPointer = event.getPointerId(event.getActionIndex());
+ if (mTrackingPointer == upPointer) {
+ // gesture is ongoing, find a new pointer to track
+ final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
+ final float newY = event.getY(newIndex);
+ final float newX = event.getX(newIndex);
+ mTrackingPointer = event.getPointerId(newIndex);
+ mInitialHeightOnTouch = mQsExpansionHeight;
+ mInitialTouchY = newY;
+ mInitialTouchX = newX;
+ }
+ break;
+
+ case MotionEvent.ACTION_MOVE:
+ final float h = y - mInitialTouchY;
+ setQsExpansion(h + mInitialHeightOnTouch);
+ trackMovement(event);
+ break;
+
+ case MotionEvent.ACTION_UP:
+ case MotionEvent.ACTION_CANCEL:
+ mQsTracking = false;
+ mTrackingPointer = -1;
+ trackMovement(event);
+ flingQsWithCurrentVelocity();
+ if (mVelocityTracker != null) {
+ mVelocityTracker.recycle();
+ mVelocityTracker = null;
+ }
+ break;
+ }
+ return true;
}
@Override
@@ -439,7 +477,7 @@
mInitialHeightOnTouch = mQsExpansionHeight;
mInitialTouchY = mLastTouchY;
mInitialTouchX = mLastTouchX;
- mTracking = true;
+ mQsTracking = true;
}
}
@@ -569,7 +607,7 @@
/**
* @return Whether we should intercept a gesture to open Quick Settings.
*/
- private boolean shouldIntercept(float x, float y, float yDiff) {
+ private boolean shouldQuickSettingsIntercept(float x, float y, float yDiff) {
if (!mQsExpansionEnabled) {
return false;
}
@@ -647,12 +685,14 @@
protected void onExpandingStarted() {
super.onExpandingStarted();
mNotificationStackScroller.onExpansionStarted();
+ mIsExpanding = true;
}
@Override
protected void onExpandingFinished() {
super.onExpandingFinished();
mNotificationStackScroller.onExpansionStopped();
+ mIsExpanding = false;
}
@Override
@@ -686,6 +726,12 @@
}
@Override
+ protected void onConfigurationChanged(Configuration newConfig) {
+ super.onConfigurationChanged(newConfig);
+ mPageSwiper.onConfigurationChanged();
+ }
+
+ @Override
public void onClick(View v) {
if (v == mHeader.getBackgroundView()) {
onQsExpansionStarted();
@@ -696,4 +742,40 @@
}
}
}
+
+ @Override
+ public void onAnimationToSideStarted(boolean rightPage) {
+ if (rightPage) {
+ mKeyguardBottomArea.launchCamera();
+ } else {
+ mKeyguardBottomArea.launchPhone();
+ }
+ mBlockTouches = true;
+ }
+
+
+ @Override
+ public float getPageWidth() {
+ return getWidth();
+ }
+
+ @Override
+ public ArrayList<View> getTranslationViews() {
+ return mSwipeTranslationViews;
+ }
+
+ @Override
+ public View getLeftIcon() {
+ return mKeyguardBottomArea.getPhoneImageView();
+ }
+
+ @Override
+ public View getCenterIcon() {
+ return mKeyguardBottomArea.getLockIcon();
+ }
+
+ @Override
+ public View getRightIcon() {
+ return mKeyguardBottomArea.getCameraImageView();
+ }
}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
index 7500c10..f6db8a8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
@@ -35,7 +35,7 @@
import java.io.FileDescriptor;
import java.io.PrintWriter;
-public class PanelView extends FrameLayout {
+public abstract class PanelView extends FrameLayout {
public static final boolean DEBUG = PanelBar.DEBUG;
public static final String TAG = PanelView.class.getSimpleName();
protected float mOverExpansion;
@@ -130,21 +130,24 @@
final float y = event.getY(pointerIndex);
final float x = event.getX(pointerIndex);
+ boolean waitForTouchSlop = hasConflictingGestures();
+
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
- mTracking = true;
mInitialTouchY = y;
mInitialTouchX = x;
+ mInitialOffsetOnTouch = mExpandedHeight;
if (mVelocityTracker == null) {
initVelocityTracker();
}
trackMovement(event);
- if (mHeightAnimator != null) {
- mHeightAnimator.cancel(); // end any outstanding animations
+ if (!waitForTouchSlop || mHeightAnimator != null) {
+ if (mHeightAnimator != null) {
+ mHeightAnimator.cancel(); // end any outstanding animations
+ }
+ onTrackingStarted();
}
- onTrackingStarted();
- mInitialOffsetOnTouch = mExpandedHeight;
if (mExpandedHeight == 0) {
mJustPeeked = true;
runPeekAnimation();
@@ -166,15 +169,27 @@
break;
case MotionEvent.ACTION_MOVE:
- final float h = y - mInitialTouchY + mInitialOffsetOnTouch;
- if (h > mPeekHeight) {
+ float h = y - mInitialTouchY;
+ if (waitForTouchSlop && !mTracking && Math.abs(h) > mTouchSlop
+ && Math.abs(h) > Math.abs(x - mInitialTouchX)) {
+ mInitialOffsetOnTouch = mExpandedHeight;
+ mInitialTouchX = x;
+ mInitialTouchY = y;
+ if (mHeightAnimator != null) {
+ mHeightAnimator.cancel(); // end any outstanding animations
+ }
+ onTrackingStarted();
+ h = 0;
+ }
+ final float newHeight = h + mInitialOffsetOnTouch;
+ if (newHeight > mPeekHeight) {
if (mPeekAnimator != null && mPeekAnimator.isStarted()) {
mPeekAnimator.cancel();
}
mJustPeeked = false;
}
- if (!mJustPeeked) {
- setExpandedHeightInternal(h);
+ if (!mJustPeeked && (!waitForTouchSlop || mTracking)) {
+ setExpandedHeightInternal(newHeight);
mBar.panelExpansionChanged(PanelView.this, mExpandedFraction);
}
@@ -183,7 +198,6 @@
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
- mTracking = false;
mTrackingPointer = -1;
trackMovement(event);
boolean expand = flingWithCurrentVelocity();
@@ -194,14 +208,18 @@
}
break;
}
- return true;
+ return !waitForTouchSlop || mTracking;
}
+ protected abstract boolean hasConflictingGestures();
+
protected void onTrackingStopped(boolean expand) {
+ mTracking = false;
mBar.onTrackingStopped(PanelView.this, expand);
}
protected void onTrackingStarted() {
+ mTracking = true;
mBar.onTrackingStarted(PanelView.this);
onExpandingStarted();
}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 15ad709..c61392a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -2774,7 +2774,7 @@
mKeyguardStatusView.setVisibility(View.VISIBLE);
mKeyguardIndicationTextView.setVisibility(View.VISIBLE);
mKeyguardIndicationTextView.switchIndication(mKeyguardHotwordPhrase);
- mNotificationPanel.closeQs();
+ mNotificationPanel.resetViews();
} else {
mKeyguardStatusView.setVisibility(View.GONE);
mKeyguardIndicationTextView.setVisibility(View.GONE);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SwipeAffordanceView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/SwipeAffordanceView.java
deleted file mode 100644
index 049c5fc..0000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SwipeAffordanceView.java
+++ /dev/null
@@ -1,222 +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.statusbar.phone;
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.os.SystemClock;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewConfiguration;
-import android.view.animation.AccelerateInterpolator;
-import android.view.animation.DecelerateInterpolator;
-import android.widget.Button;
-
-import com.android.systemui.R;
-import com.android.systemui.statusbar.policy.KeyButtonView;
-
-/**
- * A swipeable button for affordances on the lockscreen. This is used for the camera and phone
- * affordance.
- */
-public class SwipeAffordanceView extends KeyButtonView {
-
- private static final int SWIPE_DIRECTION_START = 0;
- private static final int SWIPE_DIRECTION_END = 1;
-
- private static final int SWIPE_DIRECTION_LEFT = 0;
- private static final int SWIPE_DIRECTION_RIGHT = 1;
-
- private AffordanceListener mListener;
- private int mScaledTouchSlop;
- private float mDragDistance;
- private int mResolvedSwipeDirection;
- private int mSwipeDirection;
-
- public SwipeAffordanceView(Context context, AttributeSet attrs) {
- this(context, attrs, 0);
- }
-
- public SwipeAffordanceView(Context context, AttributeSet attrs, int defStyleAttr) {
- super(context, attrs, defStyleAttr);
- TypedArray a = context.getTheme().obtainStyledAttributes(
- attrs,
- R.styleable.SwipeAffordanceView,
- 0, 0);
- try {
- mSwipeDirection = a.getInt(R.styleable.SwipeAffordanceView_swipeDirection, 0);
- } finally {
- a.recycle();
- }
- }
-
- @Override
- public void onRtlPropertiesChanged(int layoutDirection) {
- super.onRtlPropertiesChanged(layoutDirection);
- if (!isLayoutRtl()) {
- mResolvedSwipeDirection = mSwipeDirection;
- } else {
- mResolvedSwipeDirection = mSwipeDirection == SWIPE_DIRECTION_START
- ? SWIPE_DIRECTION_RIGHT
- : SWIPE_DIRECTION_LEFT;
- }
- }
-
- @Override
- protected void onFinishInflate() {
- super.onFinishInflate();
- mDragDistance = getResources().getDimension(R.dimen.affordance_drag_distance);
- mScaledTouchSlop = ViewConfiguration.get(mContext).getScaledTouchSlop();
- }
-
- public void enableAccessibility(boolean touchExplorationEnabled) {
-
- // Add a touch handler or accessibility click listener for camera button.
- if (touchExplorationEnabled) {
- setOnTouchListener(null);
- setOnClickListener(mClickListener);
- } else {
- setOnTouchListener(mTouchListener);
- setOnClickListener(null);
- }
- }
-
- public void setAffordanceListener(AffordanceListener listener) {
- mListener = listener;
- }
-
- private void onActionPerformed() {
- if (mListener != null) {
- mListener.onActionPerformed(this);
- }
- }
-
- private void onUserActivity(long when) {
- if (mListener != null) {
- mListener.onUserActivity(when);
- }
- }
-
- private final OnClickListener mClickListener = new OnClickListener() {
- @Override
- public void onClick(View v) {
- onActionPerformed();
- }
- };
-
- private final OnTouchListener mTouchListener = new OnTouchListener() {
- private float mStartX;
- private boolean mTouchSlopReached;
- private boolean mSkipCancelAnimation;
-
- @Override
- public boolean onTouch(final View view, MotionEvent event) {
- float realX = event.getRawX();
- switch (event.getAction()) {
- case MotionEvent.ACTION_DOWN:
- mStartX = realX;
- mTouchSlopReached = false;
- mSkipCancelAnimation = false;
- break;
- case MotionEvent.ACTION_MOVE:
- if (mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? realX > mStartX
- : realX < mStartX) {
- realX = mStartX;
- }
- if (mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? realX < mStartX - mDragDistance
- : realX > mStartX + mDragDistance) {
- view.setPressed(true);
- onUserActivity(event.getEventTime());
- } else {
- view.setPressed(false);
- }
- if (mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? realX < mStartX - mScaledTouchSlop
- : realX > mStartX + mScaledTouchSlop) {
- mTouchSlopReached = true;
- }
- view.setTranslationX(mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? Math.max(realX - mStartX, -mDragDistance)
- : Math.min(realX - mStartX, mDragDistance));
- break;
- case MotionEvent.ACTION_UP:
- if (mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? realX < mStartX - mDragDistance
- : realX > mStartX + mDragDistance) {
- onActionPerformed();
- view.animate().x(mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? -view.getWidth()
- : ((View) view.getParent()).getWidth() + view.getWidth())
- .setInterpolator(new AccelerateInterpolator(2f)).withEndAction(
- new Runnable() {
- @Override
- public void run() {
- view.setTranslationX(0);
- }
- });
- mSkipCancelAnimation = true;
- }
- if (mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? realX < mStartX - mScaledTouchSlop
- : realX > mStartX + mScaledTouchSlop) {
- mTouchSlopReached = true;
- }
- if (!mTouchSlopReached) {
- mSkipCancelAnimation = true;
- view.animate().translationX(mResolvedSwipeDirection == SWIPE_DIRECTION_LEFT
- ? -mDragDistance / 2
- : mDragDistance / 2).
- setInterpolator(new DecelerateInterpolator()).withEndAction(
- new Runnable() {
- @Override
- public void run() {
- view.animate().translationX(0).
- setInterpolator(new AccelerateInterpolator());
- }
- });
- }
- case MotionEvent.ACTION_CANCEL:
- view.setPressed(false);
- if (!mSkipCancelAnimation) {
- view.animate().translationX(0)
- .setInterpolator(new AccelerateInterpolator(2f));
- }
- break;
- }
- return true;
- }
- };
-
- public interface AffordanceListener {
-
- /**
- * Called when the view would like to report user activity.
- *
- * @param when The timestamp of the user activity in {@link SystemClock#uptimeMillis} time
- * base.
- */
- void onUserActivity(long when);
-
- /**
- * Called when the action of the affordance has been performed.
- */
- void onActionPerformed(SwipeAffordanceView view);
- }
-}