77 lines
2.8 KiB
Java
77 lines
2.8 KiB
Java
package com.android.uiuios.uioverrides;
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import static com.android.uiuios.LauncherState.ALL_APPS;
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import static com.android.uiuios.LauncherState.NORMAL;
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import android.view.MotionEvent;
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import com.android.uiuios.AbstractFloatingView;
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import com.android.uiuios.Launcher;
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import com.android.uiuios.LauncherState;
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import com.android.uiuios.LauncherStateManager.AnimationComponents;
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import com.android.uiuios.touch.AbstractStateChangeTouchController;
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import com.android.uiuios.touch.SwipeDetector;
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import com.android.uiuios.userevent.nano.LauncherLogProto.ContainerType;
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/**
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* TouchController to switch between NORMAL and ALL_APPS state.
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*/
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public class AllAppsSwipeController extends AbstractStateChangeTouchController {
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private MotionEvent mTouchDownEvent;
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public AllAppsSwipeController(Launcher l) {
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super(l, SwipeDetector.VERTICAL);
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}
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@Override
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protected boolean canInterceptTouch(MotionEvent ev) {
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if (ev.getAction() == MotionEvent.ACTION_DOWN) {
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mTouchDownEvent = ev;
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}
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if (mCurrentAnimation != null) {
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// If we are already animating from a previous state, we can intercept.
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return true;
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}
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if (AbstractFloatingView.getTopOpenView(mLauncher) != null) {
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return false;
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}
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if (!mLauncher.isInState(NORMAL) && !mLauncher.isInState(ALL_APPS)) {
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// Don't listen for the swipe gesture if we are already in some other state.
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return false;
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}
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if (mLauncher.isInState(ALL_APPS) && !mLauncher.getAppsView().shouldContainerScroll(ev)) {
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return false;
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}
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return true;
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}
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@Override
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protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
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if (fromState == NORMAL && isDragTowardPositive) {
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return ALL_APPS;
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} else if (fromState == ALL_APPS && !isDragTowardPositive) {
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return NORMAL;
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}
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return fromState;
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}
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@Override
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protected int getLogContainerTypeForNormalState() {
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return mLauncher.getDragLayer().isEventOverView(mLauncher.getHotseat(), mTouchDownEvent) ?
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ContainerType.HOTSEAT : ContainerType.WORKSPACE;
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}
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@Override
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protected float initCurrentAnimation(@AnimationComponents int animComponents) {
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float range = getShiftRange();
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long maxAccuracy = (long) (2 * range);
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mCurrentAnimation = mLauncher.getStateManager()
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.createAnimationToNewWorkspace(mToState, maxAccuracy, animComponents);
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float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range;
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float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range;
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float totalShift = endVerticalShift - startVerticalShift;
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return 1 / totalShift;
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}
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}
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