Merge "Fixing some RTL issues with scrollable folder" into ub-launcher3-burnaby

This commit is contained in:
Sunny Goyal 2015-04-08 21:02:24 +00:00 committed by Android (Google) Code Review
commit 85e3d4cc5e
2 changed files with 43 additions and 42 deletions

View File

@ -76,11 +76,6 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
static final int STATE_ANIMATING = 1;
static final int STATE_OPEN = 2;
/**
* Fraction of the width to scroll when showing the next page hint.
*/
private static final float SCROLL_HINT_FRACTION = 0.07f;
/**
* Time for which the scroll hint is shown before automatically changing page.
*/
@ -656,42 +651,17 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
float x = r[0];
int currentPage = mPagedView.getNextPage();
int cellWidth = mPagedView.getCurrentCellLayout().getCellWidth();
if (currentPage > 0 && x < cellWidth * ICON_OVERSCROLL_WIDTH_FACTOR) {
// Show scroll hint on the left
if (mScrollHintDir != DragController.SCROLL_LEFT) {
mPagedView.showScrollHint(-SCROLL_HINT_FRACTION);
mScrollHintDir = DragController.SCROLL_LEFT;
}
// Set alarm for when the hint is complete
if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != DragController.SCROLL_LEFT) {
mCurrentScrollDir = DragController.SCROLL_LEFT;
mOnScrollHintAlarm.cancelAlarm();
mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d));
mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION);
float cellOverlap = mPagedView.getCurrentCellLayout().getCellWidth()
* ICON_OVERSCROLL_WIDTH_FACTOR;
boolean isOutsideLeftEdge = x < cellOverlap;
boolean isOutsideRightEdge = x > (getWidth() - cellOverlap);
mReorderAlarm.cancelAlarm();
mTargetRank = mEmptyCellRank;
}
} else if (currentPage < (mPagedView.getPageCount() - 1) &&
(x > (getWidth() - cellWidth * ICON_OVERSCROLL_WIDTH_FACTOR))) {
// Show scroll hint on the right
if (mScrollHintDir != DragController.SCROLL_RIGHT) {
mPagedView.showScrollHint(SCROLL_HINT_FRACTION);
mScrollHintDir = DragController.SCROLL_RIGHT;
}
// Set alarm for when the hint is complete
if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != DragController.SCROLL_RIGHT) {
mCurrentScrollDir = DragController.SCROLL_RIGHT;
mOnScrollHintAlarm.cancelAlarm();
mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d));
mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION);
mReorderAlarm.cancelAlarm();
mTargetRank = mEmptyCellRank;
}
if (currentPage > 0 && (mPagedView.rtlLayout ? isOutsideRightEdge : isOutsideLeftEdge)) {
showScrollHint(DragController.SCROLL_LEFT, d);
} else if (currentPage < (mPagedView.getPageCount() - 1)
&& (mPagedView.rtlLayout ? isOutsideLeftEdge : isOutsideRightEdge)) {
showScrollHint(DragController.SCROLL_RIGHT, d);
} else {
mOnScrollHintAlarm.cancelAlarm();
if (mScrollHintDir != DragController.SCROLL_NONE) {
@ -701,6 +671,25 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
}
}
private void showScrollHint(int direction, DragObject d) {
// Show scroll hint on the right
if (mScrollHintDir != direction) {
mPagedView.showScrollHint(direction);
mScrollHintDir = direction;
}
// Set alarm for when the hint is complete
if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != direction) {
mCurrentScrollDir = direction;
mOnScrollHintAlarm.cancelAlarm();
mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d));
mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION);
mReorderAlarm.cancelAlarm();
mTargetRank = mEmptyCellRank;
}
}
OnAlarmListener mOnExitAlarmListener = new OnAlarmListener() {
public void onAlarm(Alarm alarm) {
completeDragExit();

View File

@ -19,6 +19,7 @@ package com.android.launcher3;
import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.util.LayoutDirection;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
@ -53,11 +54,18 @@ public class FolderPagedView extends PagedView implements Folder.FolderContent {
private static final int SORT_ANIM_HIDE_DURATION = 130;
private static final int SORT_ANIM_SHOW_DURATION = 160;
/**
* Fraction of the width to scroll when showing the next page hint.
*/
private static final float SCROLL_HINT_FRACTION = 0.07f;
private static final int[] sTempPosArray = new int[2];
// TODO: Remove this restriction
private static final int MAX_ITEMS_PER_PAGE = 4;
public final boolean rtlLayout;
private final LayoutInflater mInflater;
private final IconCache mIconCache;
@ -94,6 +102,8 @@ public class FolderPagedView extends PagedView implements Folder.FolderContent {
mInflater = LayoutInflater.from(context);
mIconCache = app.getIconCache();
rtlLayout = getResources().getConfiguration().getLayoutDirection() == LayoutDirection.RTL;
}
@Override
@ -484,7 +494,7 @@ public class FolderPagedView extends PagedView implements Folder.FolderContent {
if (getPageCount() > 1) {
mPageIndicator.setVisibility(View.VISIBLE);
mSortButton.setVisibility(View.VISIBLE);
mFolder.mFolderName.setGravity(Gravity.START);
mFolder.mFolderName.setGravity(rtlLayout ? Gravity.RIGHT : Gravity.LEFT);
setEnableOverscroll(true);
} else {
mPageIndicator.setVisibility(View.GONE);
@ -611,7 +621,9 @@ public class FolderPagedView extends PagedView implements Folder.FolderContent {
/**
* Scrolls the current view by a fraction
*/
public void showScrollHint(float fraction) {
public void showScrollHint(int direction) {
float fraction = (direction == DragController.SCROLL_LEFT) ^ rtlLayout
? -SCROLL_HINT_FRACTION : SCROLL_HINT_FRACTION;
int hint = (int) (fraction * getWidth());
int scroll = getScrollForPage(getNextPage()) + hint;
int delta = scroll - mUnboundedScrollX;
@ -761,7 +773,7 @@ public class FolderPagedView extends PagedView implements Folder.FolderContent {
}
};
v.animate()
.translationXBy(direction > 0 ? -v.getWidth() : v.getWidth())
.translationXBy((direction > 0 ^ rtlLayout) ? -v.getWidth() : v.getWidth())
.setDuration(REORDER_ANIMATION_DURATION)
.setStartDelay(0)
.withEndAction(endAction);