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Commit 5ef619fc authored by Muyuan Li's avatar Muyuan Li
Browse files

sysui: changed split screen shortcut key behavior. 

Instead of cycling between 1/4, 1/2, 3/4 with
consecutive Meta + [ / Meta + ] keys, it dismisses
the activity completely when it goes below 1/4 or 3/4.

Bug: 30075277
Change-Id: I326f4d163537ae96f1845714a8bd56b2b0d58984
(cherry picked from commit b29eeada668b298f9c0e41bd4d4b9fe1f690247e)
parent d172ebb6

packages/SystemUI/src/com/android/systemui/shortcut/ShortcutKeyDispatcher.java

+17 −6
Original line number Diff line number Diff line
@@ -25,6 +25,8 @@ import android.content.Context; 
import android.content.pm.ServiceInfo;

import android.content.res.Configuration;

import android.os.RemoteException;

import android.os.UserHandle;

import android.util.ArraySet;

import android.util.DisplayMetrics;

import android.util.Log;

import android.view.IWindowManager;
@@ -39,6 +41,7 @@ import com.android.settingslib.accessibility.AccessibilityUtils; 
import com.android.systemui.R;

import com.android.systemui.SystemUI;

import com.android.systemui.recents.Recents;

import com.android.systemui.recents.misc.SystemServicesProxy;

import com.android.systemui.stackdivider.Divider;

import com.android.systemui.stackdivider.DividerView;

import com.android.systemui.statusbar.phone.NavigationBarGestureHelper;
@@ -102,8 +105,16 @@ public class ShortcutKeyDispatcher extends SystemUI 
                int dockMode = (shortcutCode == SC_DOCK_LEFT)

                        ? ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT

                        : ActivityManager.DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT;

                recents.dockTopTask(NavigationBarGestureHelper.DRAG_MODE_NONE, dockMode, null,

                        MetricsEvent.WINDOW_DOCK_SHORTCUTS);

                List<ActivityManager.RecentTaskInfo> taskList =

                        SystemServicesProxy.getInstance(mContext).getRecentTasks(1,

                                UserHandle.USER_CURRENT, false, new ArraySet<>());

                recents.showRecents(

                        false /* triggeredFromAltTab */,

                        false /* fromHome */);

                if (!taskList.isEmpty()) {

                    SystemServicesProxy.getInstance(mContext).startTaskInDockedMode(

                            taskList.get(0).id, dockMode);

                }

            } else {

                // If there is already a docked window, we respond by resizing the docking pane.

                DividerView dividerView = getComponent(Divider.class).getView();
@@ -111,11 +122,11 @@ public class ShortcutKeyDispatcher extends SystemUI 
                int dividerPosition = dividerView.getCurrentPosition();

                DividerSnapAlgorithm.SnapTarget currentTarget =

                        snapAlgorithm.calculateNonDismissingSnapTarget(dividerPosition);

                int increment = (shortcutCode == SC_DOCK_LEFT) ? -1 : 1;

                DividerSnapAlgorithm.SnapTarget target = snapAlgorithm.cycleNonDismissTarget(

                        currentTarget, increment);

                DividerSnapAlgorithm.SnapTarget target = (shortcutCode == SC_DOCK_LEFT)

                        ? snapAlgorithm.getPreviousTarget(currentTarget)

                        : snapAlgorithm.getNextTarget(currentTarget);

                dividerView.startDragging(true /* animate */, false /* touching */);

                dividerView.stopDragging(target.position, 0f, true /* avoidDismissStart */,

                dividerView.stopDragging(target.position, 0f, false /* avoidDismissStart */,

                        true /* logMetrics */);

            }

        } catch (RemoteException e) {