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Diffstat (limited to 'libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/SwipyRefreshLayout.java')
| -rw-r--r-- | libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/SwipyRefreshLayout.java | 1152 |
1 files changed, 0 insertions, 1152 deletions
diff --git a/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/SwipyRefreshLayout.java b/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/SwipyRefreshLayout.java deleted file mode 100644 index f193a0e1..00000000 --- a/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/SwipyRefreshLayout.java +++ /dev/null @@ -1,1152 +0,0 @@ -/* - * Copyright (C) 2013 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.orangegangsters.github.swipyrefreshlayout.library; - - -import android.content.Context; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.support.v4.view.MotionEventCompat; -import android.support.v4.view.ViewCompat; -import android.util.AttributeSet; -import android.util.DisplayMetrics; -import android.util.Log; -import android.view.MotionEvent; -import android.view.View; -import android.view.ViewConfiguration; -import android.view.ViewGroup; -import android.view.animation.Animation; -import android.view.animation.Animation.AnimationListener; -import android.view.animation.DecelerateInterpolator; -import android.view.animation.Transformation; -import android.widget.AbsListView; - -/** - * The SwipeRefreshLayout should be used whenever the user can refresh the - * contents of a view via a vertical swipe gesture. The activity that - * instantiates this view should add an OnRefreshListener to be notified - * whenever the swipe to refresh gesture is completed. The SwipeRefreshLayout - * will notify the listener each and every time the gesture is completed again; - * the listener is responsible for correctly determining when to actually - * initiate a refresh of its content. If the listener determines there should - * not be a refresh, it must call setRefreshing(false) to cancel any visual - * indication of a refresh. If an activity wishes to show just the progress - * animation, it should call setRefreshing(true). To disable the gesture and - * progress animation, call setEnabled(false) on the view. - * <p> - * This layout should be made the parent of the view that will be refreshed as a - * result of the gesture and can only support one direct child. This view will - * also be made the target of the gesture and will be forced to match both the - * width and the height supplied in this layout. The SwipeRefreshLayout does not - * provide accessibility events; instead, a menu item must be provided to allow - * refresh of the content wherever this gesture is used. - * </p> - */ -public class SwipyRefreshLayout extends ViewGroup { - - public static final String TAG = "SwipyRefreshLayout"; - - private static final float MAX_SWIPE_DISTANCE_FACTOR = .6f; - private static final int REFRESH_TRIGGER_DISTANCE = 120; - - // Maps to ProgressBar.Large style - public static final int LARGE = MaterialProgressDrawable.LARGE; - // Maps to ProgressBar default style - public static final int DEFAULT = MaterialProgressDrawable.DEFAULT; - - private static final String LOG_TAG = SwipyRefreshLayout.class.getSimpleName(); - - private static final int MAX_ALPHA = 255; - private static final int STARTING_PROGRESS_ALPHA = (int) (.3f * MAX_ALPHA); - - private static final int CIRCLE_DIAMETER = 40; - private static final int CIRCLE_DIAMETER_LARGE = 56; - - private static final float DECELERATE_INTERPOLATION_FACTOR = 2f; - private static final int INVALID_POINTER = -1; - private static final float DRAG_RATE = .5f; - - // Max amount of circle that can be filled by progress during swipe gesture, - // where 1.0 is a full circle - private static final float MAX_PROGRESS_ANGLE = .8f; - - private static final int SCALE_DOWN_DURATION = 150; - - private static final int ALPHA_ANIMATION_DURATION = 300; - - private static final int ANIMATE_TO_TRIGGER_DURATION = 200; - - private static final int ANIMATE_TO_START_DURATION = 200; - - // Default background for the progress spinner - private static final int CIRCLE_BG_LIGHT = 0xFFFAFAFA; - // Default offset in dips from the top of the view to where the progress spinner should stop - private static final int DEFAULT_CIRCLE_TARGET = 64; - - private View mTarget; // the target of the gesture - private SwipyRefreshLayoutDirection mDirection; - private boolean mBothDirection; - private OnRefreshListener mListener; - private boolean mRefreshing = false; - private int mTouchSlop; - private float mTotalDragDistance = -1; - private int mMediumAnimationDuration; - private int mCurrentTargetOffsetTop; - // Whether or not the starting offset has been determined. - private boolean mOriginalOffsetCalculated = false; - - private float mInitialMotionY; - private float mInitialDownY; - private boolean mIsBeingDragged; - private int mActivePointerId = INVALID_POINTER; - // Whether this item is scaled up rather than clipped - private boolean mScale; - - // Target is returning to its start offset because it was cancelled or a - // refresh was triggered. - private boolean mReturningToStart; - private final DecelerateInterpolator mDecelerateInterpolator; - private static final int[] LAYOUT_ATTRS = new int[]{ - android.R.attr.enabled - }; - - private CircleImageView mCircleView; - private int mCircleViewIndex = -1; - - protected int mFrom; - - private float mStartingScale; - - protected int mOriginalOffsetTop; - - private MaterialProgressDrawable mProgress; - - private Animation mScaleAnimation; - - private Animation mScaleDownAnimation; - - private Animation mAlphaStartAnimation; - - private Animation mAlphaMaxAnimation; - - private Animation mScaleDownToStartAnimation; - - private float mSpinnerFinalOffset; - - private boolean mNotify; - - private int mCircleWidth; - - private int mCircleHeight; - - // Whether the client has set a custom starting position; - private boolean mUsingCustomStart; - - private AnimationListener mRefreshListener = new AnimationListener() { - @Override - public void onAnimationStart(Animation animation) { - } - - @Override - public void onAnimationRepeat(Animation animation) { - } - - @Override - public void onAnimationEnd(Animation animation) { - if (mRefreshing) { - // Make sure the progress view is fully visible - mProgress.setAlpha(MAX_ALPHA); - mProgress.start(); - if (mNotify) { - if (mListener != null) { - mListener.onRefresh(mDirection); - } - } - } else { - mProgress.stop(); - mCircleView.setVisibility(View.GONE); - setColorViewAlpha(MAX_ALPHA); - // Return the circle to its start position - if (mScale) { - setAnimationProgress(0 /* animation complete and view is hidden */); - } else { - setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCurrentTargetOffsetTop, - true /* requires update */); - } - } - mCurrentTargetOffsetTop = mCircleView.getTop(); - } - }; - - private void setColorViewAlpha(int targetAlpha) { - mCircleView.getBackground().setAlpha(targetAlpha); - mProgress.setAlpha(targetAlpha); - } - - /** - * The refresh indicator starting and resting position is always positioned - * near the top of the refreshing content. This position is a consistent - * location, but can be adjusted in either direction based on whether or not - * there is a toolbar or actionbar present. - * - * @param scale Set to true if there is no view at a higher z-order than - * where the progress spinner is set to appear. - * @param start The offset in pixels from the top of this view at which the - * progress spinner should appear. - * @param end The offset in pixels from the top of this view at which the - * progress spinner should come to rest after a successful swipe - * gesture. - */ - /* - public void setProgressViewOffset(boolean scale, int start, int end) { - mScale = scale; - mCircleView.setVisibility(View.GONE); - mOriginalOffsetTop = mCurrentTargetOffsetTop = start; - mSpinnerFinalOffset = end; - mUsingCustomStart = true; - mCircleView.invalidate(); - }*/ - - /** - * The refresh indicator resting position is always positioned near the top - * of the refreshing content. This position is a consistent location, but - * can be adjusted in either direction based on whether or not there is a - * toolbar or actionbar present. - * - * @param scale Set to true if there is no view at a higher z-order than - * where the progress spinner is set to appear. - * @param end The offset in pixels from the top of this view at which the - * progress spinner should come to rest after a successful swipe - * gesture. - */ - /* - public void setProgressViewEndTarget(boolean scale, int end) { - mSpinnerFinalOffset = end; - mScale = scale; - mCircleView.invalidate(); - }*/ - - /** - * One of DEFAULT, or LARGE. - */ - public void setSize(int size) { - if (size != MaterialProgressDrawable.LARGE && size != MaterialProgressDrawable.DEFAULT) { - return; - } - final DisplayMetrics metrics = getResources().getDisplayMetrics(); - if (size == MaterialProgressDrawable.LARGE) { - mCircleHeight = mCircleWidth = (int) (CIRCLE_DIAMETER_LARGE * metrics.density); - } else { - mCircleHeight = mCircleWidth = (int) (CIRCLE_DIAMETER * metrics.density); - } - // force the bounds of the progress circle inside the circle view to - // update by setting it to null before updating its size and then - // re-setting it - mCircleView.setImageDrawable(null); - mProgress.updateSizes(size); - mCircleView.setImageDrawable(mProgress); - } - - /** - * Simple constructor to use when creating a SwipeRefreshLayout from code. - * - * @param context - */ - public SwipyRefreshLayout(Context context) { - this(context, null); - } - - /** - * Constructor that is called when inflating SwipeRefreshLayout from XML. - * - * @param context - * @param attrs - */ - public SwipyRefreshLayout(Context context, AttributeSet attrs) { - super(context, attrs); - - mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); - - mMediumAnimationDuration = getResources().getInteger( - android.R.integer.config_mediumAnimTime); - - setWillNotDraw(false); - mDecelerateInterpolator = new DecelerateInterpolator(DECELERATE_INTERPOLATION_FACTOR); - - final TypedArray a = context.obtainStyledAttributes(attrs, LAYOUT_ATTRS); - setEnabled(a.getBoolean(0, true)); - a.recycle(); - - final TypedArray a2 = context.obtainStyledAttributes(attrs, R.styleable.SwipyRefreshLayout); - SwipyRefreshLayoutDirection direction - = SwipyRefreshLayoutDirection.getFromInt(a2.getInt(R.styleable.SwipyRefreshLayout_direction, 0)); - if (direction != SwipyRefreshLayoutDirection.BOTH) { - mDirection = direction; - mBothDirection = false; - } else { - mDirection = SwipyRefreshLayoutDirection.TOP; - mBothDirection = true; - } - a2.recycle(); - - final DisplayMetrics metrics = getResources().getDisplayMetrics(); - mCircleWidth = (int) (CIRCLE_DIAMETER * metrics.density); - mCircleHeight = (int) (CIRCLE_DIAMETER * metrics.density); - - createProgressView(); - ViewCompat.setChildrenDrawingOrderEnabled(this, true); - // the absolute offset has to take into account that the circle starts at an offset - mSpinnerFinalOffset = DEFAULT_CIRCLE_TARGET * metrics.density; - } - - protected int getChildDrawingOrder(int childCount, int i) { - if (mCircleViewIndex < 0) { - return i; - } else if (i == childCount - 1) { - // Draw the selected child last - return mCircleViewIndex; - } else if (i >= mCircleViewIndex) { - // Move the children after the selected child earlier one - return i + 1; - } else { - // Keep the children before the selected child the same - return i; - } - } - - private void createProgressView() { - mCircleView = new CircleImageView(getContext(), CIRCLE_BG_LIGHT, CIRCLE_DIAMETER / 2); - mProgress = new MaterialProgressDrawable(getContext(), this); - mProgress.setBackgroundColor(CIRCLE_BG_LIGHT); - mCircleView.setImageDrawable(mProgress); - mCircleView.setVisibility(View.GONE); - addView(mCircleView); - } - - /** - * Set the listener to be notified when a refresh is triggered via the swipe - * gesture. - */ - public void setOnRefreshListener(OnRefreshListener listener) { - mListener = listener; - } - - /** - * Pre API 11, alpha is used to make the progress circle appear instead of scale. - */ - private boolean isAlphaUsedForScale() { - return android.os.Build.VERSION.SDK_INT < 11; - } - - /** - * Notify the widget that refresh state has changed. Do not call this when - * refresh is triggered by a swipe gesture. - * - * @param refreshing Whether or not the view should show refresh progress. - */ - public void setRefreshing(boolean refreshing) { - if (refreshing && mRefreshing != refreshing) { - // scale and show - mRefreshing = refreshing; - int endTarget = 0; - if (!mUsingCustomStart) { - switch (mDirection) { - case BOTTOM: - endTarget = getMeasuredHeight() - (int) (mSpinnerFinalOffset); - break; - case TOP: - default: - endTarget = (int) (mSpinnerFinalOffset - Math.abs(mOriginalOffsetTop)); - break; - } - } else { - endTarget = (int) mSpinnerFinalOffset; - } - setTargetOffsetTopAndBottom(endTarget - mCurrentTargetOffsetTop, - true /* requires update */); - mNotify = false; - startScaleUpAnimation(mRefreshListener); - } else { - setRefreshing(refreshing, false /* notify */); - } - } - - private void startScaleUpAnimation(AnimationListener listener) { - mCircleView.setVisibility(View.VISIBLE); - if (android.os.Build.VERSION.SDK_INT >= 11) { - // Pre API 11, alpha is used in place of scale up to show the - // progress circle appearing. - // Don't adjust the alpha during appearance otherwise. - mProgress.setAlpha(MAX_ALPHA); - } - mScaleAnimation = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - setAnimationProgress(interpolatedTime); - } - }; - mScaleAnimation.setDuration(mMediumAnimationDuration); - if (listener != null) { - mCircleView.setAnimationListener(listener); - } - mCircleView.clearAnimation(); - mCircleView.startAnimation(mScaleAnimation); - } - - /** - * Pre API 11, this does an alpha animation. - * - * @param progress - */ - private void setAnimationProgress(float progress) { - if (isAlphaUsedForScale()) { - setColorViewAlpha((int) (progress * MAX_ALPHA)); - } else { - ViewCompat.setScaleX(mCircleView, progress); - ViewCompat.setScaleY(mCircleView, progress); - } - } - - private void setRefreshing(boolean refreshing, final boolean notify) { - if (mRefreshing != refreshing) { - mNotify = notify; - ensureTarget(); - mRefreshing = refreshing; - if (mRefreshing) { - animateOffsetToCorrectPosition(mCurrentTargetOffsetTop, mRefreshListener); - } else { - startScaleDownAnimation(mRefreshListener); - } - } - } - - private void startScaleDownAnimation(AnimationListener listener) { - mScaleDownAnimation = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - setAnimationProgress(1 - interpolatedTime); - } - }; - mScaleDownAnimation.setDuration(SCALE_DOWN_DURATION); - mCircleView.setAnimationListener(listener); - mCircleView.clearAnimation(); - mCircleView.startAnimation(mScaleDownAnimation); - } - - private void startProgressAlphaStartAnimation() { - mAlphaStartAnimation = startAlphaAnimation(mProgress.getAlpha(), STARTING_PROGRESS_ALPHA); - } - - private void startProgressAlphaMaxAnimation() { - mAlphaMaxAnimation = startAlphaAnimation(mProgress.getAlpha(), MAX_ALPHA); - } - - private Animation startAlphaAnimation(final int startingAlpha, final int endingAlpha) { - // Pre API 11, alpha is used in place of scale. Don't also use it to - // show the trigger point. - if (mScale && isAlphaUsedForScale()) { - return null; - } - Animation alpha = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - mProgress - .setAlpha((int) (startingAlpha + ((endingAlpha - startingAlpha) - * interpolatedTime))); - } - }; - alpha.setDuration(ALPHA_ANIMATION_DURATION); - // Clear out the previous animation listeners. - mCircleView.setAnimationListener(null); - mCircleView.clearAnimation(); - mCircleView.startAnimation(alpha); - return alpha; - } - - /** - * Set the background color of the progress spinner disc. - * - * @param colorRes Resource id of the color. - */ - public void setProgressBackgroundColor(int colorRes) { - mCircleView.setBackgroundColor(colorRes); - mProgress.setBackgroundColor(getResources().getColor(colorRes)); - } - - /** - * @deprecated Use {@link #setColorSchemeResources(int...)} - */ - @Deprecated - public void setColorScheme(int... colors) { - setColorSchemeResources(colors); - } - - /** - * Set the color resources used in the progress animation from color resources. - * The first color will also be the color of the bar that grows in response - * to a user swipe gesture. - * - * @param colorResIds - */ - public void setColorSchemeResources(int... colorResIds) { - final Resources res = getResources(); - int[] colorRes = new int[colorResIds.length]; - for (int i = 0; i < colorResIds.length; i++) { - colorRes[i] = res.getColor(colorResIds[i]); - } - setColorSchemeColors(colorRes); - } - - /** - * Set the colors used in the progress animation. The first - * color will also be the color of the bar that grows in response to a user - * swipe gesture. - * - * @param colors - */ - public void setColorSchemeColors(int... colors) { - ensureTarget(); - mProgress.setColorSchemeColors(colors); - } - - /** - * @return Whether the SwipeRefreshWidget is actively showing refresh - * progress. - */ - public boolean isRefreshing() { - return mRefreshing; - } - - private void ensureTarget() { - // Don't bother getting the parent height if the parent hasn't been laid - // out yet. - if (mTarget == null) { - for (int i = 0; i < getChildCount(); i++) { - View child = getChildAt(i); - if (!child.equals(mCircleView)) { - mTarget = child; - break; - } - } - } - if (mTotalDragDistance == -1) { - if (getParent() != null && ((View) getParent()).getHeight() > 0) { - final DisplayMetrics metrics = getResources().getDisplayMetrics(); - mTotalDragDistance = (int) Math.min( - ((View) getParent()).getHeight() * MAX_SWIPE_DISTANCE_FACTOR, - REFRESH_TRIGGER_DISTANCE * metrics.density); - } - } - } - - /** - * Set the distance to trigger a sync in dips - * - * @param distance - */ - public void setDistanceToTriggerSync(int distance) { - mTotalDragDistance = distance; - } - - @Override - protected void onLayout(boolean changed, int left, int top, int right, int bottom) { - final int width = getMeasuredWidth(); - final int height = getMeasuredHeight(); - if (getChildCount() == 0) { - return; - } - if (mTarget == null) { - ensureTarget(); - } - if (mTarget == null) { - return; - } - final View child = mTarget; - final int childLeft = getPaddingLeft(); - final int childTop = getPaddingTop(); - final int childWidth = width - getPaddingLeft() - getPaddingRight(); - final int childHeight = height - getPaddingTop() - getPaddingBottom(); - child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight); - int circleWidth = mCircleView.getMeasuredWidth(); - int circleHeight = mCircleView.getMeasuredHeight(); - mCircleView.layout((width / 2 - circleWidth / 2), mCurrentTargetOffsetTop, - (width / 2 + circleWidth / 2), mCurrentTargetOffsetTop + circleHeight); - } - - @Override - public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - super.onMeasure(widthMeasureSpec, heightMeasureSpec); - if (mTarget == null) { - ensureTarget(); - } - if (mTarget == null) { - return; - } - mTarget.measure(MeasureSpec.makeMeasureSpec( - getMeasuredWidth() - getPaddingLeft() - getPaddingRight(), - MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec( - getMeasuredHeight() - getPaddingTop() - getPaddingBottom(), MeasureSpec.EXACTLY)); - mCircleView.measure(MeasureSpec.makeMeasureSpec(mCircleWidth, MeasureSpec.EXACTLY), - MeasureSpec.makeMeasureSpec(mCircleHeight, MeasureSpec.EXACTLY)); - if (!mUsingCustomStart && !mOriginalOffsetCalculated) { - mOriginalOffsetCalculated = true; - - switch (mDirection) { - case BOTTOM: - mCurrentTargetOffsetTop = mOriginalOffsetTop = getMeasuredHeight(); - break; - case TOP: - default: - mCurrentTargetOffsetTop = mOriginalOffsetTop = -mCircleView.getMeasuredHeight(); - break; - } - } - mCircleViewIndex = -1; - // Get the index of the circleview. - for (int index = 0; index < getChildCount(); index++) { - if (getChildAt(index) == mCircleView) { - mCircleViewIndex = index; - break; - } - } - } - - /** - * @return Whether it is possible for the child view of this layout to - * scroll up. Override this if the child view is a custom view. - */ - public boolean canChildScrollUp() { - if (android.os.Build.VERSION.SDK_INT < 14) { - if (mTarget instanceof AbsListView) { - final AbsListView absListView = (AbsListView) mTarget; - return absListView.getChildCount() > 0 - && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0) - .getTop() < absListView.getPaddingTop()); - } else { - return mTarget.getScrollY() > 0; - } - } else { - return ViewCompat.canScrollVertically(mTarget, -1); - } - } -// public boolean canChildScrollUp() { -// if (android.os.Build.VERSION.SDK_INT < 14) { -// if (mTarget instanceof AbsListView) { -// final AbsListView absListView = (AbsListView) mTarget; -// if (absListView.getLastVisiblePosition() + 1 == absListView.getCount()) { -// int lastIndex = absListView.getLastVisiblePosition() - absListView.getFirstVisiblePosition(); -// -// boolean res = absListView.getChildAt(lastIndex).getBottom() == absListView.getPaddingBottom(); -// -// return res; -// } -// return true; -// } else { -// return mTarget.getScrollY() > 0; -// } -// } else { -// return ViewCompat.canScrollVertically(mTarget, 1); -// } -// } - - - public boolean canChildScrollDown() { - if (android.os.Build.VERSION.SDK_INT < 14) { - if (mTarget instanceof AbsListView) { - final AbsListView absListView = (AbsListView) mTarget; - try { - if (absListView.getCount() > 0) { - if (absListView.getLastVisiblePosition() + 1 == absListView.getCount()) { - int lastIndex = absListView.getLastVisiblePosition() - absListView.getFirstVisiblePosition(); - return absListView.getChildAt(lastIndex).getBottom() == absListView.getPaddingBottom(); - } - } - } catch (Exception e) { - e.printStackTrace(); - } - return true; - } else { - return true; - } - } else { - return ViewCompat.canScrollVertically(mTarget, 1); - } - } - - @Override - public boolean onInterceptTouchEvent(MotionEvent ev) { - ensureTarget(); - - final int action = MotionEventCompat.getActionMasked(ev); - - if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { - mReturningToStart = false; - } - - switch (mDirection) { - case BOTTOM: - if (!isEnabled() || mReturningToStart || (!mBothDirection && canChildScrollDown()) || mRefreshing) { - // Fail fast if we're not in a state where a swipe is possible - return false; - } - break; - case TOP: - default: - if (!isEnabled() || mReturningToStart || (!mBothDirection && canChildScrollUp()) || mRefreshing) { - // Fail fast if we're not in a state where a swipe is possible - return false; - } - break; - } - - switch (action) { - case MotionEvent.ACTION_DOWN: - setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true); - mActivePointerId = MotionEventCompat.getPointerId(ev, 0); - mIsBeingDragged = false; - final float initialDownY = getMotionEventY(ev, mActivePointerId); - if (initialDownY == -1) { - return false; - } - mInitialDownY = initialDownY; - - case MotionEvent.ACTION_MOVE: - if (mActivePointerId == INVALID_POINTER) { - return false; - } - - final float y = getMotionEventY(ev, mActivePointerId); - if (y == -1) { - return false; - } - if (mBothDirection) { - if (y > mInitialDownY) { - setRawDirection(SwipyRefreshLayoutDirection.TOP); - } else if (y < mInitialDownY) { - setRawDirection(SwipyRefreshLayoutDirection.BOTTOM); - } - if ((mDirection == SwipyRefreshLayoutDirection.BOTTOM && canChildScrollDown()) - || (mDirection == SwipyRefreshLayoutDirection.TOP && canChildScrollUp())) { - mInitialDownY = y; - return false; - } - } - float yDiff; - switch (mDirection) { - case BOTTOM: - yDiff = mInitialDownY - y; - break; - case TOP: - default: - yDiff = y - mInitialDownY; - break; - } - if (yDiff > mTouchSlop && !mIsBeingDragged) { - switch (mDirection) { - case BOTTOM: - mInitialMotionY = mInitialDownY - mTouchSlop; - break; - case TOP: - default: - mInitialMotionY = mInitialDownY + mTouchSlop; - break; - } - mIsBeingDragged = true; - mProgress.setAlpha(STARTING_PROGRESS_ALPHA); - } - break; - - case MotionEventCompat.ACTION_POINTER_UP: - onSecondaryPointerUp(ev); - break; - - case MotionEvent.ACTION_UP: - case MotionEvent.ACTION_CANCEL: - mIsBeingDragged = false; - mActivePointerId = INVALID_POINTER; - break; - } - - return mIsBeingDragged; - } - - private float getMotionEventY(MotionEvent ev, int activePointerId) { - final int index = MotionEventCompat.findPointerIndex(ev, activePointerId); - if (index < 0) { - return -1; - } - return MotionEventCompat.getY(ev, index); - } - - @Override - public void requestDisallowInterceptTouchEvent(boolean b) { - // Nope. - } - - private boolean isAnimationRunning(Animation animation) { - return animation != null && animation.hasStarted() && !animation.hasEnded(); - } - - @Override - public boolean onTouchEvent(MotionEvent ev) { - try { - final int action = MotionEventCompat.getActionMasked(ev); - - if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { - mReturningToStart = false; - } - - switch (mDirection) { - case BOTTOM: - if (!isEnabled() || mReturningToStart || canChildScrollDown() || mRefreshing) { - // Fail fast if we're not in a state where a swipe is possible - return false; - } - break; - case TOP: - default: - if (!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing) { - // Fail fast if we're not in a state where a swipe is possible - return false; - } - break; - } - - switch (action) { - case MotionEvent.ACTION_DOWN: - mActivePointerId = MotionEventCompat.getPointerId(ev, 0); - mIsBeingDragged = false; - break; - - case MotionEvent.ACTION_MOVE: { - final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); - if (pointerIndex < 0) { - return false; - } - - final float y = MotionEventCompat.getY(ev, pointerIndex); - - float overscrollTop; - switch (mDirection) { - case BOTTOM: - overscrollTop = (mInitialMotionY - y) * DRAG_RATE; - break; - case TOP: - default: - overscrollTop = (y - mInitialMotionY) * DRAG_RATE; - break; - } - if (mIsBeingDragged) { - mProgress.showArrow(true); - float originalDragPercent = overscrollTop / mTotalDragDistance; - if (originalDragPercent < 0) { - return false; - } - float dragPercent = Math.min(1f, Math.abs(originalDragPercent)); - float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3; - float extraOS = Math.abs(overscrollTop) - mTotalDragDistance; - float slingshotDist = mUsingCustomStart ? mSpinnerFinalOffset - - mOriginalOffsetTop : mSpinnerFinalOffset; - float tensionSlingshotPercent = Math.max(0, - Math.min(extraOS, slingshotDist * 2) / slingshotDist); - float tensionPercent = (float) ((tensionSlingshotPercent / 4) - Math.pow( - (tensionSlingshotPercent / 4), 2)) * 2f; - float extraMove = (slingshotDist) * tensionPercent * 2; - - // int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove); - int targetY; - if (mDirection == SwipyRefreshLayoutDirection.TOP) { - targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove); - } else { - targetY = mOriginalOffsetTop - (int) ((slingshotDist * dragPercent) + extraMove); - } - // where 1.0f is a full circle - if (mCircleView.getVisibility() != View.VISIBLE) { - mCircleView.setVisibility(View.VISIBLE); - } - if (!mScale) { - ViewCompat.setScaleX(mCircleView, 1f); - ViewCompat.setScaleY(mCircleView, 1f); - } - if (overscrollTop < mTotalDragDistance) { - if (mScale) { - setAnimationProgress(overscrollTop / mTotalDragDistance); - } - if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA - && !isAnimationRunning(mAlphaStartAnimation)) { - // Animate the alpha - startProgressAlphaStartAnimation(); - } - float strokeStart = (float) (adjustedPercent * .8f); - mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart)); - mProgress.setArrowScale(Math.min(1f, adjustedPercent)); - } else { - if (mProgress.getAlpha() < MAX_ALPHA - && !isAnimationRunning(mAlphaMaxAnimation)) { - // Animate the alpha - startProgressAlphaMaxAnimation(); - } - } - float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f; - mProgress.setProgressRotation(rotation); - setTargetOffsetTopAndBottom(targetY - mCurrentTargetOffsetTop, - true /* requires update */); - } - break; - } - case MotionEventCompat.ACTION_POINTER_DOWN: { - final int index = MotionEventCompat.getActionIndex(ev); - mActivePointerId = MotionEventCompat.getPointerId(ev, index); - break; - } - - case MotionEventCompat.ACTION_POINTER_UP: - onSecondaryPointerUp(ev); - break; - - case MotionEvent.ACTION_UP: - case MotionEvent.ACTION_CANCEL: { - if (mActivePointerId == INVALID_POINTER) { - if (action == MotionEvent.ACTION_UP) { - } - return false; - } - final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); - final float y = MotionEventCompat.getY(ev, pointerIndex); - - float overscrollTop; - switch (mDirection) { - case BOTTOM: - overscrollTop = (mInitialMotionY - y) * DRAG_RATE; - break; - case TOP: - default: - overscrollTop = (y - mInitialMotionY) * DRAG_RATE; - break; - } - mIsBeingDragged = false; - if (overscrollTop > mTotalDragDistance) { - setRefreshing(true, true /* notify */); - } else { - // cancel refresh - mRefreshing = false; - mProgress.setStartEndTrim(0f, 0f); - AnimationListener listener = null; - if (!mScale) { - listener = new AnimationListener() { - - @Override - public void onAnimationStart(Animation animation) { - } - - @Override - public void onAnimationEnd(Animation animation) { - if (!mScale) { - startScaleDownAnimation(null); - } - } - - @Override - public void onAnimationRepeat(Animation animation) { - } - - }; - } - animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener); - mProgress.showArrow(false); - } - mActivePointerId = INVALID_POINTER; - return false; - } - } - } catch (Exception e) { - Log.e(TAG, "An exception occured during SwipyRefreshLayout onTouchEvent " + e.toString()); - } - - return true; - } - - private void animateOffsetToCorrectPosition(int from, AnimationListener listener) { - mFrom = from; - mAnimateToCorrectPosition.reset(); - mAnimateToCorrectPosition.setDuration(ANIMATE_TO_TRIGGER_DURATION); - mAnimateToCorrectPosition.setInterpolator(mDecelerateInterpolator); - if (listener != null) { - mCircleView.setAnimationListener(listener); - } - mCircleView.clearAnimation(); - mCircleView.startAnimation(mAnimateToCorrectPosition); - } - - private void animateOffsetToStartPosition(int from, AnimationListener listener) { - if (mScale) { - // Scale the item back down - startScaleDownReturnToStartAnimation(from, listener); - } else { - mFrom = from; - mAnimateToStartPosition.reset(); - mAnimateToStartPosition.setDuration(ANIMATE_TO_START_DURATION); - mAnimateToStartPosition.setInterpolator(mDecelerateInterpolator); - if (listener != null) { - mCircleView.setAnimationListener(listener); - } - mCircleView.clearAnimation(); - mCircleView.startAnimation(mAnimateToStartPosition); - } - } - - private final Animation mAnimateToCorrectPosition = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - int targetTop = 0; - int endTarget = 0; - if (!mUsingCustomStart) { - switch (mDirection) { - case BOTTOM: - endTarget = getMeasuredHeight() - (int) (mSpinnerFinalOffset); - break; - case TOP: - default: - endTarget = (int) (mSpinnerFinalOffset - Math.abs(mOriginalOffsetTop)); - break; - } - } else { - endTarget = (int) mSpinnerFinalOffset; - } - targetTop = (mFrom + (int) ((endTarget - mFrom) * interpolatedTime)); - int offset = targetTop - mCircleView.getTop(); - setTargetOffsetTopAndBottom(offset, false /* requires update */); - } - }; - - private void moveToStart(float interpolatedTime) { - int targetTop = 0; - targetTop = (mFrom + (int) ((mOriginalOffsetTop - mFrom) * interpolatedTime)); - int offset = targetTop - mCircleView.getTop(); - setTargetOffsetTopAndBottom(offset, false /* requires update */); - } - - private final Animation mAnimateToStartPosition = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - moveToStart(interpolatedTime); - } - }; - - private void startScaleDownReturnToStartAnimation(int from, - AnimationListener listener) { - mFrom = from; - if (isAlphaUsedForScale()) { - mStartingScale = mProgress.getAlpha(); - } else { - mStartingScale = ViewCompat.getScaleX(mCircleView); - } - mScaleDownToStartAnimation = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - float targetScale = (mStartingScale + (-mStartingScale * interpolatedTime)); - setAnimationProgress(targetScale); - moveToStart(interpolatedTime); - } - }; - mScaleDownToStartAnimation.setDuration(SCALE_DOWN_DURATION); - if (listener != null) { - mCircleView.setAnimationListener(listener); - } - mCircleView.clearAnimation(); - mCircleView.startAnimation(mScaleDownToStartAnimation); - } - - private void setTargetOffsetTopAndBottom(int offset, boolean requiresUpdate) { - mCircleView.bringToFront(); - mCircleView.offsetTopAndBottom(offset); - -// switch (mDirection) { -// case BOTTOM: -// mCurrentTargetOffsetTop = getMeasuredHeight() - mCircleView.getMeasuredHeight(); -// break; -// case TOP: -// default: -// mCurrentTargetOffsetTop = mCircleView.getTop(); -// break; -// } - mCurrentTargetOffsetTop = mCircleView.getTop(); - if (requiresUpdate && android.os.Build.VERSION.SDK_INT < 11) { - invalidate(); - } - } - - private void onSecondaryPointerUp(MotionEvent ev) { - final int pointerIndex = MotionEventCompat.getActionIndex(ev); - final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex); - if (pointerId == mActivePointerId) { - // This was our active pointer going up. Choose a new - // active pointer and adjust accordingly. - final int newPointerIndex = pointerIndex == 0 ? 1 : 0; - mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex); - } - } - - /** - * Classes that wish to be notified when the swipe gesture correctly - * triggers a refresh should implement this interface. - */ - public interface OnRefreshListener { - public void onRefresh(SwipyRefreshLayoutDirection direction); - } - - public SwipyRefreshLayoutDirection getDirection() { - return mBothDirection ? SwipyRefreshLayoutDirection.BOTH : mDirection; - } - - public void setDirection(SwipyRefreshLayoutDirection direction) { - if (direction == SwipyRefreshLayoutDirection.BOTH) { - mBothDirection = true; - } else { - mBothDirection = false; - mDirection = direction; - } - - switch (mDirection) { - case BOTTOM: - mCurrentTargetOffsetTop = mOriginalOffsetTop = getMeasuredHeight(); - break; - case TOP: - default: - mCurrentTargetOffsetTop = mOriginalOffsetTop = -mCircleView.getMeasuredHeight(); - break; - } - } - - // only TOP or Bottom - private void setRawDirection(SwipyRefreshLayoutDirection direction) { - if (mDirection == direction) { - return; - } - - mDirection = direction; - switch (mDirection) { - case BOTTOM: - mCurrentTargetOffsetTop = mOriginalOffsetTop = getMeasuredHeight(); - break; - case TOP: - default: - mCurrentTargetOffsetTop = mOriginalOffsetTop = -mCircleView.getMeasuredHeight(); - break; - } - } -} |