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Commit d7af7bb6 authored by Vadim Tryshev's avatar Vadim Tryshev
Browse files

Initial implementation of Overview keyboard interactions 

Lots of things are not yet implemented or don't work: animations,
fallback mode, taking params into account, dozing etc.

Bug: 73090995
Test: Press, Alt-tab, tab with and without shift, press Alt-Tab on
already open Overview.

Change-Id: Ifd140e27bead4fa52532a04000c0b60923b485be
parent 9da6c526

quickstep/src/com/android/quickstep/OverviewCommandHelper.java

+23 −3
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ import com.android.launcher3.AbstractFloatingView; 
import com.android.launcher3.Launcher;

import com.android.launcher3.LauncherAppState;

import com.android.launcher3.states.InternalStateHandler;

import com.android.quickstep.views.RecentsView;

import com.android.systemui.shared.system.ActivityManagerWrapper;



/**
@@ -65,6 +66,12 @@ public class OverviewCommandHelper extends InternalStateHandler { 
        homeIntent.setComponent(launcher).setPackage(null);

    }



    private void openRecents() {

        Intent intent = addToIntent(new Intent(homeIntent));

        mContext.startActivity(intent);

        initWhenReady();

    }



    public void onOverviewToggle() {

        if (DEBUG_START_FALLBACK_ACTIVITY) {

            mContext.startActivity(new Intent(mContext, RecentsActivity.class)
@@ -79,17 +86,30 @@ public class OverviewCommandHelper extends InternalStateHandler { 
            boolean isQuickTap = elapsedTime < ViewConfiguration.getDoubleTapTimeout();

            startNonLauncherTask(isQuickTap ? 2 : 1);

        } else {

            Intent intent = addToIntent(new Intent(homeIntent));

            mContext.startActivity(intent);

            initWhenReady();

            openRecents();

        }

    }



    public void onOverviewShown() {

        if (isOverviewAlmostVisible()) {

            final RecentsView rv = getLauncher().getOverviewPanel();

            rv.selectNextTask();

        } else {

            openRecents();

        }

    }



    public void onOverviewHidden() {

        final RecentsView rv = getLauncher().getOverviewPanel();

        rv.launchCurrentTask();

    }



    private void startNonLauncherTask(int backStackCount) {

        for (RecentTaskInfo rti : mAM.getRecentTasks(backStackCount, UserHandle.myUserId())) {

            backStackCount--;

            if (backStackCount == 0) {

                mAM.startActivityFromRecents(rti.id, null);

                break;

            }

        }

    }

quickstep/src/com/android/quickstep/TouchInteractionService.java

+11 −2
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ import com.android.systemui.shared.system.NavigationBarCompat.HitTarget; 
public class TouchInteractionService extends Service {



    public static final boolean DEBUG_SHOW_OVERVIEW_BUTTON = false;

    public static final boolean DEBUG_OPEN_OVERVIEW_VIA_ALT_TAB = false;



    private static final SparseArray<String> sMotionEventNames;
@@ -140,10 +141,18 @@ public class TouchInteractionService extends Service { 
        }



        @Override

        public void onOverviewShown(boolean triggeredFromAltTab) { }

        public void onOverviewShown(boolean triggeredFromAltTab) {

            if (DEBUG_OPEN_OVERVIEW_VIA_ALT_TAB) {

                mOverviewCommandHelper.onOverviewShown();

            }

        }



        @Override

        public void onOverviewHidden(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) { }

        public void onOverviewHidden(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {

            if (DEBUG_OPEN_OVERVIEW_VIA_ALT_TAB) {

                mOverviewCommandHelper.onOverviewHidden();

            }

        }

    };



    private final TouchConsumer mNoOpTouchConsumer = (ev) -> {};

quickstep/src/com/android/quickstep/views/RecentsView.java

+23 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ import android.graphics.Rect; 
import android.os.Build;

import android.util.AttributeSet;

import android.util.SparseBooleanArray;

import android.view.KeyEvent;

import android.view.LayoutInflater;

import android.view.View;
@@ -585,4 +586,26 @@ public abstract class RecentsView<T extends BaseActivity> 
        anim.setDuration(duration).setInterpolator(interpolator);

        set.play(anim);

    }



    @Override

    public boolean dispatchKeyEvent(KeyEvent event) {

        if (event.getKeyCode() == KeyEvent.KEYCODE_TAB

                && event.getAction() == KeyEvent.ACTION_DOWN) {

            setCurrentPage((getCurrentPage()

                    + (event.isShiftPressed() ? getPageCount() - 1 : 1)) % getPageCount());

            loadVisibleTaskData();

            return true;

        }

        return super.dispatchKeyEvent(event);

    }



    public void selectNextTask() {

        setCurrentPage((getCurrentPage() + 1) % getPageCount());

        loadVisibleTaskData();

    }



    public void launchCurrentTask() {

        final TaskView currentTask = (TaskView) getChildAt(getCurrentPage());

        currentTask.launchTask(true);

    }

}