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Commit b5a051ca authored by Tony Wickham's avatar Tony Wickham Committed by Android (Google) Code Review
Browse files

Merge changes I6cf84ec7,Iea599651,If3238286 into sc-v2-dev 

* changes:
  Improve quick switch from home to taskbar
  Cleanup some taskbar/hotseat handoff issues
  Fix taskbar stash misalignment when going from app to overview
parents 1b0e524d 24675d36

quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java

+65 −44
Original line number Diff line number Diff line
@@ -49,13 +49,15 @@ import java.util.function.Supplier; 


    public static final int FLAG_RESUMED = 1 << 0;

    public static final int FLAG_RECENTS_ANIMATION_RUNNING = 1 << 1;

    public static final int FLAG_TRANSITION_STATE_START_STASHED = 1 << 2;

    public static final int FLAG_TRANSITION_STATE_COMMITTED_STASHED = 1 << 3;

    public static final int FLAG_TRANSITION_STATE_RUNNING = 1 << 2;



    /** Equivalent to an int with all 1s for binary operation purposes */

    private static final int FLAGS_ALL = ~0;



    private final AnimatedFloat mIconAlignmentForResumedState =

            new AnimatedFloat(this::onIconAlignmentRatioChanged);

            new AnimatedFloat(this::onIconAlignmentRatioChangedForAppAndHomeTransition);

    private final AnimatedFloat mIconAlignmentForGestureState =

            new AnimatedFloat(this::onIconAlignmentRatioChanged);

            new AnimatedFloat(this::onIconAlignmentRatioChangedForAppAndHomeTransition);

    private final AnimatedFloat mIconAlignmentForLauncherState =

            new AnimatedFloat(this::onIconAlignmentRatioChangedForStateTransition);
@@ -64,8 +66,9 @@ import java.util.function.Supplier; 
    private MultiValueAlpha.AlphaProperty mIconAlphaForHome;

    private BaseQuickstepLauncher mLauncher;



    private int mPrevState;

    private Integer mPrevState;

    private int mState;

    private LauncherState mLauncherState = LauncherState.NORMAL;



    private boolean mIsAnimatingToLauncherViaGesture;

    private boolean mIsAnimatingToLauncherViaResume;
@@ -75,15 +78,20 @@ import java.util.function.Supplier; 


                @Override

                public void onStateTransitionStart(LauncherState toState) {

                    updateStateForFlag(FLAG_TRANSITION_STATE_START_STASHED,

                            toState.isTaskbarStashed());

                    if (toState != mLauncherState) {

                        // Treat FLAG_TRANSITION_STATE_RUNNING as a changed flag even if a previous

                        // state transition was already running, so we update the new target.

                        mPrevState &= ~FLAG_TRANSITION_STATE_RUNNING;

                        mLauncherState = toState;

                    }

                    updateStateForFlag(FLAG_TRANSITION_STATE_RUNNING, true);

                    applyState();

                }



                @Override

                public void onStateTransitionComplete(LauncherState finalState) {

                    updateStateForFlag(FLAG_TRANSITION_STATE_COMMITTED_STASHED,

                            finalState.isTaskbarStashed());

                    mLauncherState = finalState;

                    updateStateForFlag(FLAG_TRANSITION_STATE_RUNNING, false);

                    applyState();

                }

            };
@@ -100,7 +108,7 @@ import java.util.function.Supplier; 
                (Consumer<Float>) alpha -> mLauncher.getHotseat().setIconsAlpha(alpha > 0 ? 0 : 1));



        mIconAlignmentForResumedState.finishAnimation();

        onIconAlignmentRatioChanged();

        onIconAlignmentRatioChangedForAppAndHomeTransition();



        mLauncher.getStateManager().addStateListener(mStateListener);

    }
@@ -121,9 +129,10 @@ import java.util.function.Supplier; 
        // If going home, align the icons to hotseat

        AnimatorSet animatorSet = new AnimatorSet();



        // Update stashed flags first to ensure goingToUnstashedLauncherState() returns correctly.

        TaskbarStashController stashController = mControllers.taskbarStashController;

        stashController.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,

                toState.isTaskbarStashed());

                toState.isTaskbarStashed(mLauncher));

        stashController.updateStateForFlag(FLAG_IN_APP, false);



        updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, true);
@@ -182,10 +191,11 @@ import java.util.function.Supplier; 


    public Animator applyState(long duration, boolean start) {

        Animator animator = null;

        if (mPrevState != mState) {

            int changedFlags = mPrevState ^ mState;

            animator = onStateChangeApplied(changedFlags, duration, start);

        if (mPrevState == null || mPrevState != mState) {

            // If this is our initial state, treat all flags as changed.

            int changedFlags = mPrevState == null ? FLAGS_ALL : mPrevState ^ mState;

            mPrevState = mState;

            animator = onStateChangeApplied(changedFlags, duration, start);

        }

        return animator;

    }
@@ -195,7 +205,8 @@ import java.util.function.Supplier; 
        if (hasAnyFlag(changedFlags, FLAG_RESUMED)) {

            boolean isResumed = isResumed();

            ObjectAnimator anim = mIconAlignmentForResumedState

                    .animateToValue(isResumed ? 1 : 0)

                    .animateToValue(isResumed && goingToUnstashedLauncherState()

                            ? 1 : 0)

                    .setDuration(duration);



            anim.addListener(new AnimatorListenerAdapter() {
@@ -219,7 +230,8 @@ import java.util.function.Supplier; 
        if (hasAnyFlag(changedFlags, FLAG_RECENTS_ANIMATION_RUNNING)) {

            boolean isRecentsAnimationRunning = isRecentsAnimationRunning();

            Animator animator = mIconAlignmentForGestureState

                    .animateToValue(isRecentsAnimationRunning ? 1 : 0);

                    .animateToValue(isRecentsAnimationRunning && goingToUnstashedLauncherState()

                            ? 1 : 0);

            if (isRecentsAnimationRunning) {

                animator.setDuration(duration);

            }
@@ -237,14 +249,21 @@ import java.util.function.Supplier; 
            animatorSet.play(animator);

        }



        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_START_STASHED)) {

            playStateTransitionAnim(isTransitionStateStartStashed(), animatorSet, duration,

                    false /* committed */);

        if (hasAnyFlag(changedFlags, FLAG_RESUMED | FLAG_RECENTS_ANIMATION_RUNNING)) {

            boolean goingToLauncher = hasAnyFlag(FLAG_RESUMED | FLAG_RECENTS_ANIMATION_RUNNING);

            animatorSet.play(mTaskbarBackgroundAlpha.animateToValue(goingToLauncher ? 0 : 1)

                    .setDuration(duration));

        }



        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_COMMITTED_STASHED)) {

            playStateTransitionAnim(isTransitionStateCommittedStashed(), animatorSet, duration,

                    true /* committed */);

        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_RUNNING)) {

            boolean committed = !hasAnyFlag(FLAG_TRANSITION_STATE_RUNNING);

            playStateTransitionAnim(animatorSet, duration, committed);



            if (committed && mLauncherState == LauncherState.QUICK_SWITCH) {

                // We're about to be paused, set immediately to ensure seamless handoff.

                updateStateForFlag(FLAG_RESUMED, false);

                applyState(0 /* duration */);

            }

        }



        if (start) {
@@ -253,17 +272,24 @@ import java.util.function.Supplier; 
        return animatorSet;

    }



    private void playStateTransitionAnim(boolean isTransitionStateStashed,

            AnimatorSet animatorSet, long duration, boolean committed) {

    /** Returns whether we're going to a state where taskbar icons should align with launcher. */

    private boolean goingToUnstashedLauncherState() {

        return !mControllers.taskbarStashController.isInStashedLauncherState();

    }



    private void playStateTransitionAnim(AnimatorSet animatorSet, long duration,

            boolean committed) {

        boolean isInStashedState = mLauncherState.isTaskbarStashed(mLauncher);

        float toAlignment = mLauncherState.isTaskbarAlignedWithHotseat(mLauncher) ? 1 : 0;



        TaskbarStashController controller = mControllers.taskbarStashController;

        controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,

                isTransitionStateStashed);

        controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE, isInStashedState);

        Animator stashAnimator = controller.applyStateWithoutStart(duration);

        if (stashAnimator != null) {

            stashAnimator.addListener(new AnimatorListenerAdapter() {

                @Override

                public void onAnimationEnd(Animator animation) {

                    if (isTransitionStateStashed && committed) {

                    if (isInStashedState && committed) {

                        // Reset hotseat alpha to default

                        mLauncher.getHotseat().setIconsAlpha(1);

                    }
@@ -271,14 +297,16 @@ import java.util.function.Supplier; 


                @Override

                public void onAnimationStart(Animator animation) {

                    if (mLauncher.getHotseat().getIconsAlpha() > 0) {

                        mIconAlphaForHome.setValue(mLauncher.getHotseat().getIconsAlpha());

                    }

                }

            });

            animatorSet.play(stashAnimator);

            animatorSet.play(mIconAlignmentForLauncherState.animateToValue(

                    getCurrentIconAlignmentRatioForLauncherState(),

                    isTransitionStateStashed ? 0 : 1));

        }



        animatorSet.play(mIconAlignmentForLauncherState.animateToValue(toAlignment)

                .setDuration(duration));

    }



    private boolean isResumed() {
@@ -289,20 +317,15 @@ import java.util.function.Supplier; 
        return (mState & FLAG_RECENTS_ANIMATION_RUNNING) != 0;

    }



    private boolean isTransitionStateStartStashed() {

        return (mState & FLAG_TRANSITION_STATE_START_STASHED) != 0;

    }



    private boolean isTransitionStateCommittedStashed() {

        return (mState & FLAG_TRANSITION_STATE_COMMITTED_STASHED) != 0;

    }



    private void onIconAlignmentRatioChangedForStateTransition() {

        if (!isResumed()) {

            return;

        }

        onIconAlignmentRatioChanged(this::getCurrentIconAlignmentRatioForLauncherState);

    }



    private void onIconAlignmentRatioChanged() {

        onIconAlignmentRatioChanged(this::getCurrentIconAlignmentRatio);

    private void onIconAlignmentRatioChangedForAppAndHomeTransition() {

        onIconAlignmentRatioChanged(this::getCurrentIconAlignmentRatioBetweenAppAndHome);

    }



    private void onIconAlignmentRatioChanged(Supplier<Float> alignmentSupplier) {
@@ -313,13 +336,11 @@ import java.util.function.Supplier; 
        mControllers.taskbarViewController.setLauncherIconAlignment(

                alignment, mLauncher.getDeviceProfile());



        mTaskbarBackgroundAlpha.updateValue(1 - alignment);



        // Switch taskbar and hotseat in last frame

        setTaskbarViewVisible(alignment < 1);

    }



    private float getCurrentIconAlignmentRatio() {

    private float getCurrentIconAlignmentRatioBetweenAppAndHome() {

        return Math.max(mIconAlignmentForResumedState.value, mIconAlignmentForGestureState.value);

    }

quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java

+7 −0
Original line number Diff line number Diff line
@@ -216,6 +216,13 @@ public class TaskbarStashController { 
        return hasAnyFlag(FLAGS_STASHED_IN_APP);

    }



    /**

     * Returns whether the taskbar should be stashed in the current LauncherState.

     */

    public boolean isInStashedLauncherState() {

        return hasAnyFlag(FLAG_IN_STASHED_LAUNCHER_STATE) && supportsVisualStashing();

    }



    private boolean hasAnyFlag(int flagMask) {

        return hasAnyFlag(mState, flagMask);

    }

quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java

+1 −1
Original line number Diff line number Diff line
@@ -69,7 +69,7 @@ public class AllAppsState extends LauncherState { 
    }



    @Override

    public boolean isTaskbarStashed() {

    public boolean isTaskbarStashed(Launcher launcher) {

        return true;

    }

quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java

+1 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ public class OverviewState extends LauncherState { 
    }



    @Override

    public boolean isTaskbarStashed() {

    public boolean isTaskbarStashed(Launcher launcher) {

        return true;

    }

quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java

+15 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ package com.android.launcher3.uioverrides.states; 


import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;



import com.android.launcher3.DeviceProfile;

import com.android.launcher3.Launcher;

import com.android.launcher3.R;

import com.android.launcher3.util.Themes;
@@ -42,6 +43,10 @@ public class QuickSwitchState extends BackgroundAppState { 


    @Override

    public int getWorkspaceScrimColor(Launcher launcher) {

        DeviceProfile dp = launcher.getDeviceProfile();

        if (dp.isTaskbarPresentInApps) {

            return launcher.getColor(R.color.taskbar_background);

        }

        return Themes.getAttrColor(launcher, R.attr.overviewScrimColor);

    }
@@ -55,4 +60,14 @@ public class QuickSwitchState extends BackgroundAppState { 
    public int getVisibleElements(Launcher launcher) {

        return NONE;

    }



    @Override

    public boolean isTaskbarStashed(Launcher launcher) {

        return !launcher.getDeviceProfile().isTaskbarPresentInApps;

    }



    @Override

    public boolean isTaskbarAlignedWithHotseat(Launcher launcher) {

        return false;

    }

}