| package com.android.launcher3.uioverrides; |
| |
| import static com.android.launcher3.LauncherState.ALL_APPS; |
| import static com.android.launcher3.LauncherState.NORMAL; |
| |
| import android.view.MotionEvent; |
| |
| import com.android.launcher3.AbstractFloatingView; |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.LauncherState; |
| import com.android.launcher3.LauncherStateManager.AnimationComponents; |
| import com.android.launcher3.touch.AbstractStateChangeTouchController; |
| import com.android.launcher3.touch.SingleAxisSwipeDetector; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType; |
| |
| /** |
| * TouchController to switch between NORMAL and ALL_APPS state. |
| */ |
| public class AllAppsSwipeController extends AbstractStateChangeTouchController { |
| |
| private MotionEvent mTouchDownEvent; |
| |
| public AllAppsSwipeController(Launcher l) { |
| super(l, SingleAxisSwipeDetector.VERTICAL); |
| } |
| |
| @Override |
| protected boolean canInterceptTouch(MotionEvent ev) { |
| if (ev.getAction() == MotionEvent.ACTION_DOWN) { |
| mTouchDownEvent = ev; |
| } |
| if (mCurrentAnimation != null) { |
| // If we are already animating from a previous state, we can intercept. |
| return true; |
| } |
| if (AbstractFloatingView.getTopOpenView(mLauncher) != null) { |
| return false; |
| } |
| if (!mLauncher.isInState(NORMAL) && !mLauncher.isInState(ALL_APPS)) { |
| // Don't listen for the swipe gesture if we are already in some other state. |
| return false; |
| } |
| if (mLauncher.isInState(ALL_APPS) && !mLauncher.getAppsView().shouldContainerScroll(ev)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) { |
| if (fromState == NORMAL && isDragTowardPositive) { |
| return ALL_APPS; |
| } else if (fromState == ALL_APPS && !isDragTowardPositive) { |
| return NORMAL; |
| } |
| return fromState; |
| } |
| |
| @Override |
| protected int getLogContainerTypeForNormalState(MotionEvent ev) { |
| return mLauncher.getDragLayer().isEventOverView(mLauncher.getHotseat(), mTouchDownEvent) ? |
| ContainerType.HOTSEAT : ContainerType.WORKSPACE; |
| } |
| |
| @Override |
| protected float initCurrentAnimation(@AnimationComponents int animComponents) { |
| float range = getShiftRange(); |
| long maxAccuracy = (long) (2 * range); |
| mCurrentAnimation = mLauncher.getStateManager() |
| .createAnimationToNewWorkspace(mToState, maxAccuracy, animComponents); |
| float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range; |
| float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range; |
| float totalShift = endVerticalShift - startVerticalShift; |
| return 1 / totalShift; |
| } |
| } |