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Commit 70cb47fc authored by Wale Ogunwale's avatar Wale Ogunwale Committed by Automerger Merge Worker
Browse files

Merge "Prep work for exposing split-screen APIs to Launcher" into sc-dev am: 7ae91f9d 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13454817

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic963b2b6bb5b927e492e574c574aeff0042e0366
parents 75651dac 7ae91f9d

libs/WindowManager/Shell/src/com/android/wm/shell/ShellCommandHandlerImpl.java

+2 −2
Original line number Original line Diff line number Diff line
@@ -16,7 +16,7 @@ 




package com.android.wm.shell;

package com.android.wm.shell;





import static com.android.wm.shell.splitscreen.SplitScreen.SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_POSITION_BOTTOM_OR_RIGHT;





import com.android.wm.shell.apppairs.AppPairs;

import com.android.wm.shell.apppairs.AppPairs;

import com.android.wm.shell.common.ShellExecutor;

import com.android.wm.shell.common.ShellExecutor;
@@ -155,7 +155,7 @@ public final class ShellCommandHandlerImpl { 
        }

        }

        final int taskId = new Integer(args[2]);

        final int taskId = new Integer(args[2]);

        final int sideStagePosition = args.length > 3

        final int sideStagePosition = args.length > 3

                ? new Integer(args[3]) : SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT;

                ? new Integer(args[3]) : STAGE_POSITION_BOTTOM_OR_RIGHT;

        mSplitScreenOptional.ifPresent(split -> split.moveToSideStage(taskId, sideStagePosition));

        mSplitScreenOptional.ifPresent(split -> split.moveToSideStage(taskId, sideStagePosition));

        return true;

        return true;

    }

    }

libs/WindowManager/Shell/src/com/android/wm/shell/draganddrop/DragAndDropPolicy.java

+56 −52
Original line number Original line Diff line number Diff line
@@ -34,8 +34,11 @@ import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPL 
import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_LEFT;

import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_LEFT;

import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_RIGHT;

import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_RIGHT;

import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_TOP;

import static com.android.wm.shell.draganddrop.DragAndDropPolicy.Target.TYPE_SPLIT_TOP;

import static com.android.wm.shell.splitscreen.SplitScreen.SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_POSITION_BOTTOM_OR_RIGHT;

import static com.android.wm.shell.splitscreen.SplitScreen.SIDE_STAGE_POSITION_TOP_OR_LEFT;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_POSITION_TOP_OR_LEFT;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_POSITION_UNDEFINED;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_TYPE_SIDE;

import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_TYPE_UNDEFINED;





import android.app.ActivityManager;

import android.app.ActivityManager;

import android.app.ActivityTaskManager;

import android.app.ActivityTaskManager;
@@ -84,8 +87,7 @@ public class DragAndDropPolicy { 
    private DragSession mSession;

    private DragSession mSession;





    public DragAndDropPolicy(Context context, SplitScreen splitScreen) {

    public DragAndDropPolicy(Context context, SplitScreen splitScreen) {

        this(context, ActivityTaskManager.getInstance(), splitScreen,

        this(context, ActivityTaskManager.getInstance(), splitScreen, new DefaultStarter(context));

                new DefaultStarter(context, splitScreen));

    }

    }





    @VisibleForTesting

    @VisibleForTesting
@@ -94,7 +96,7 @@ public class DragAndDropPolicy { 
        mContext = context;

        mContext = context;

        mActivityTaskManager = activityTaskManager;

        mActivityTaskManager = activityTaskManager;

        mSplitScreen = splitScreen;

        mSplitScreen = splitScreen;

        mStarter = starter;

        mStarter = mSplitScreen != null ? mSplitScreen : starter;

    }

    }





    /**

    /**
@@ -195,39 +197,23 @@ public class DragAndDropPolicy { 
            return;

            return;

        }

        }





        final ClipDescription description = data.getDescription();

        final boolean isTask = description.hasMimeType(MIMETYPE_APPLICATION_TASK);

        final boolean isShortcut = description.hasMimeType(MIMETYPE_APPLICATION_SHORTCUT);

        final Intent dragData = mSession.dragData;

        final boolean inSplitScreen = mSplitScreen != null && mSplitScreen.isSplitScreenVisible();

        final boolean inSplitScreen = mSplitScreen != null && mSplitScreen.isSplitScreenVisible();

        final boolean leftOrTop = target.type == TYPE_SPLIT_TOP || target.type == TYPE_SPLIT_LEFT;

        final boolean leftOrTop = target.type == TYPE_SPLIT_TOP || target.type == TYPE_SPLIT_LEFT;

        final Bundle opts = dragData.hasExtra(EXTRA_ACTIVITY_OPTIONS)



                ? dragData.getBundleExtra(EXTRA_ACTIVITY_OPTIONS)

        @SplitScreen.StageType int stage = STAGE_TYPE_UNDEFINED;

                : new Bundle();

        @SplitScreen.StagePosition int position = STAGE_POSITION_UNDEFINED;



        if (target.type != TYPE_FULLSCREEN && mSplitScreen != null) {

        if (target.type == TYPE_FULLSCREEN) {

            // Exit split stages if needed

            mStarter.exitSplitScreen();

        } else if (mSplitScreen != null) {

            // Update launch options for the split side we are targeting.

            // Update launch options for the split side we are targeting.

            final int position = leftOrTop

            position = leftOrTop ? STAGE_POSITION_TOP_OR_LEFT : STAGE_POSITION_BOTTOM_OR_RIGHT;

                    ? SIDE_STAGE_POSITION_TOP_OR_LEFT : SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT;

            if (!inSplitScreen) {

            if (!inSplitScreen) {

                // Update the side stage position to match where we want to launch.

                // Launch in the side stage if we are not in split-screen already.

                mSplitScreen.setSideStagePosition(position);

                stage = STAGE_TYPE_SIDE;

            }

            }

            mSplitScreen.updateActivityOptions(opts, position);

        }

        }





        if (isTask) {

        final ClipDescription description = data.getDescription();

            mStarter.startTask(dragData.getIntExtra(EXTRA_TASK_ID, INVALID_TASK_ID), opts);

        final Intent dragData = mSession.dragData;

        } else if (isShortcut) {

        mStarter.startClipDescription(description, dragData, stage, position);

            mStarter.startShortcut(dragData.getStringExtra(EXTRA_PACKAGE_NAME),

                    dragData.getStringExtra(EXTRA_SHORTCUT_ID),

                    opts, dragData.getParcelableExtra(EXTRA_USER));

        } else {

            mStarter.startIntent(dragData.getParcelableExtra(EXTRA_PENDING_INTENT), opts);

        }

    }

    }





    /**

    /**
@@ -247,7 +233,6 @@ public class DragAndDropPolicy { 
        int runningTaskActType = ACTIVITY_TYPE_STANDARD;

        int runningTaskActType = ACTIVITY_TYPE_STANDARD;

        boolean runningTaskIsResizeable;

        boolean runningTaskIsResizeable;

        boolean dragItemSupportsSplitscreen;

        boolean dragItemSupportsSplitscreen;

        boolean isPhone;





        DragSession(Context context, ActivityTaskManager activityTaskManager,

        DragSession(Context context, ActivityTaskManager activityTaskManager,

                DisplayLayout dispLayout, ClipData data) {

                DisplayLayout dispLayout, ClipData data) {
@@ -275,7 +260,6 @@ public class DragAndDropPolicy { 
            final ActivityInfo info = mInitialDragData.getItemAt(0).getActivityInfo();

            final ActivityInfo info = mInitialDragData.getItemAt(0).getActivityInfo();

            dragItemSupportsSplitscreen = info == null

            dragItemSupportsSplitscreen = info == null

                    || ActivityInfo.isResizeableMode(info.resizeMode);

                    || ActivityInfo.isResizeableMode(info.resizeMode);

            isPhone = mContext.getResources().getConfiguration().smallestScreenWidthDp < 600;

            dragData = mInitialDragData.getItemAt(0).getIntent();

            dragData = mInitialDragData.getItemAt(0).getIntent();

        }

        }

    }

    }
@@ -284,11 +268,33 @@ public class DragAndDropPolicy { 
     * Interface for actually committing the task launches.

     * Interface for actually committing the task launches.

     */

     */

    @VisibleForTesting

    @VisibleForTesting

    interface Starter {

    public interface Starter {

        void startTask(int taskId, Bundle activityOptions);

        default void startClipDescription(ClipDescription description, Intent intent,

        void startShortcut(String packageName, String shortcutId, Bundle activityOptions,

                @SplitScreen.StageType int stage, @SplitScreen.StagePosition int position) {

                UserHandle user);

            final boolean isTask = description.hasMimeType(MIMETYPE_APPLICATION_TASK);

        void startIntent(PendingIntent intent, Bundle activityOptions);

            final boolean isShortcut = description.hasMimeType(MIMETYPE_APPLICATION_SHORTCUT);

            final Bundle opts = intent.hasExtra(EXTRA_ACTIVITY_OPTIONS)

                    ? intent.getBundleExtra(EXTRA_ACTIVITY_OPTIONS) : new Bundle();



            if (isTask) {

                final int taskId = intent.getIntExtra(EXTRA_TASK_ID, INVALID_TASK_ID);

                startTask(taskId, stage, position, opts);

            } else if (isShortcut) {

                final String packageName = intent.getStringExtra(EXTRA_PACKAGE_NAME);

                final String id = intent.getStringExtra(EXTRA_SHORTCUT_ID);

                final UserHandle user = intent.getParcelableExtra(EXTRA_USER);

                startShortcut(packageName, id, stage, position, opts, user);

            } else {

                startIntent(intent.getParcelableExtra(EXTRA_PENDING_INTENT), stage, position, opts);

            }

        }

        void startTask(int taskId, @SplitScreen.StageType int stage,

                @SplitScreen.StagePosition int position, @Nullable Bundle options);

        void startShortcut(String packageName, String shortcutId,

                @SplitScreen.StageType int stage, @SplitScreen.StagePosition int position,

                @Nullable Bundle options, UserHandle user);

        void startIntent(PendingIntent intent, @SplitScreen.StageType int stage,

                @SplitScreen.StagePosition int position, @Nullable Bundle options);

        void enterSplitScreen(int taskId, boolean leftOrTop);

        void enterSplitScreen(int taskId, boolean leftOrTop);

        void exitSplitScreen();

        void exitSplitScreen();

    }

    }
@@ -299,39 +305,39 @@ public class DragAndDropPolicy { 
     */

     */

    private static class DefaultStarter implements Starter {

    private static class DefaultStarter implements Starter {

        private final Context mContext;

        private final Context mContext;

        private final SplitScreen mSplitScreen;





        public DefaultStarter(Context context, SplitScreen splitScreen) {

        public DefaultStarter(Context context) {

            mContext = context;

            mContext = context;

            mSplitScreen = splitScreen;

        }

        }





        @Override

        @Override

        public void startTask(int taskId, Bundle activityOptions) {

        public void startTask(int taskId, int stage, int position,

                @Nullable Bundle options) {

            try {

            try {

                ActivityTaskManager.getService().startActivityFromRecents(taskId, activityOptions);

                ActivityTaskManager.getService().startActivityFromRecents(taskId, options);

            } catch (RemoteException e) {

            } catch (RemoteException e) {

                Slog.e(TAG, "Failed to launch task", e);

                Slog.e(TAG, "Failed to launch task", e);

            }

            }

        }

        }





        @Override

        @Override

        public void startShortcut(String packageName, String shortcutId, Bundle activityOptions,

        public void startShortcut(String packageName, String shortcutId, int stage, int position,

                UserHandle user) {

                @Nullable Bundle options, UserHandle user) {

            try {

            try {

                LauncherApps launcherApps =

                LauncherApps launcherApps =

                        mContext.getSystemService(LauncherApps.class);

                        mContext.getSystemService(LauncherApps.class);

                launcherApps.startShortcut(packageName, shortcutId, null /* sourceBounds */,

                launcherApps.startShortcut(packageName, shortcutId, null /* sourceBounds */,

                        activityOptions, user);

                        options, user);

            } catch (ActivityNotFoundException e) {

            } catch (ActivityNotFoundException e) {

                Slog.e(TAG, "Failed to launch shortcut", e);

                Slog.e(TAG, "Failed to launch shortcut", e);

            }

            }

        }

        }





        @Override

        @Override

        public void startIntent(PendingIntent intent, Bundle activityOptions) {

        public void startIntent(PendingIntent intent, int stage, int position,

                @Nullable Bundle options) {

            try {

            try {

                intent.send(null, 0, null, null, null, null, activityOptions);

                intent.send(null, 0, null, null, null, null, options);

            } catch (PendingIntent.CanceledException e) {

            } catch (PendingIntent.CanceledException e) {

                Slog.e(TAG, "Failed to launch activity", e);

                Slog.e(TAG, "Failed to launch activity", e);

            }

            }
@@ -339,14 +345,12 @@ public class DragAndDropPolicy { 




        @Override

        @Override

        public void enterSplitScreen(int taskId, boolean leftOrTop) {

        public void enterSplitScreen(int taskId, boolean leftOrTop) {

            mSplitScreen.moveToSideStage(taskId,

            throw new UnsupportedOperationException("enterSplitScreen not implemented by starter");

                    leftOrTop ? SIDE_STAGE_POSITION_TOP_OR_LEFT

                            : SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT);

        }

        }





        @Override

        @Override

        public void exitSplitScreen() {

        public void exitSplitScreen() {

            mSplitScreen.exitSplitScreen();

            throw new UnsupportedOperationException("exitSplitScreen not implemented by starter");

        }

        }

    }

    }

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreen.java

+65 −14
Original line number Original line Diff line number Diff line
@@ -18,12 +18,16 @@ package com.android.wm.shell.splitscreen; 




import android.annotation.IntDef;

import android.annotation.IntDef;

import android.app.ActivityManager;

import android.app.ActivityManager;

import android.app.PendingIntent;

import android.graphics.Rect;

import android.graphics.Rect;

import android.os.Bundle;

import android.os.Bundle;

import android.os.UserHandle;





import androidx.annotation.NonNull;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;





import com.android.wm.shell.common.annotations.ExternalThread;

import com.android.wm.shell.common.annotations.ExternalThread;

import com.android.wm.shell.draganddrop.DragAndDropPolicy;





import java.io.PrintWriter;

import java.io.PrintWriter;
@@ -31,46 +35,93 @@ import java.io.PrintWriter; 
 * Interface to engage split-screen feature.

 * Interface to engage split-screen feature.

 */

 */

@ExternalThread

@ExternalThread

public interface SplitScreen {

public interface SplitScreen extends DragAndDropPolicy.Starter {

    /**

    /**

     * Specifies that the side-stage is positioned at the top half of the screen if

     * Stage position isn't specified normally meaning to use what ever it is currently set to.

     */

    int STAGE_POSITION_UNDEFINED = -1;

    /**

     * Specifies that a stage is positioned at the top half of the screen if

     * in portrait mode or at the left half of the screen if in landscape mode.

     * in portrait mode or at the left half of the screen if in landscape mode.

     */

     */

    int SIDE_STAGE_POSITION_TOP_OR_LEFT = 0;

    int STAGE_POSITION_TOP_OR_LEFT = 0;





    /**

    /**

     * Specifies that the side-stage is positioned at the bottom half of the screen if

     * Specifies that a stage is positioned at the bottom half of the screen if

     * in portrait mode or at the right half of the screen if in landscape mode.

     * in portrait mode or at the right half of the screen if in landscape mode.

     */

     */

    int SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT = 1;

    int STAGE_POSITION_BOTTOM_OR_RIGHT = 1;





    @IntDef(prefix = { "SIDE_STAGE_POSITION_" }, value = {

    @IntDef(prefix = { "STAGE_POSITION_" }, value = {

            SIDE_STAGE_POSITION_TOP_OR_LEFT,

            STAGE_POSITION_UNDEFINED,

            SIDE_STAGE_POSITION_BOTTOM_OR_RIGHT

            STAGE_POSITION_TOP_OR_LEFT,

            STAGE_POSITION_BOTTOM_OR_RIGHT

    })

    })

    @interface SideStagePosition {}

    @interface StagePosition {}



    /**

     * Stage type isn't specified normally meaning to use what ever the default is.

     * E.g. exit split-screen and launch the app in fullscreen.

     */

    int STAGE_TYPE_UNDEFINED = -1;

    /**

     * The main stage type.

     * @see MainStage

     */

    int STAGE_TYPE_MAIN = 0;



    /**

     * The side stage type.

     * @see SideStage

     */

    int STAGE_TYPE_SIDE = 1;



    @IntDef(prefix = { "STAGE_TYPE_" }, value = {

            STAGE_TYPE_UNDEFINED,

            STAGE_TYPE_MAIN,

            STAGE_TYPE_SIDE

    })

    @interface StageType {}



    /** Callback interface for listening to changes in a split-screen stage. */

    interface SplitScreenListener {

        void onStagePositionChanged(@StageType int stage, @StagePosition int position);

        void onTaskStageChanged(int taskId, @StageType int stage);

    }





    /** @return {@code true} if split-screen is currently visible. */

    /** @return {@code true} if split-screen is currently visible. */

    boolean isSplitScreenVisible();

    boolean isSplitScreenVisible();

    /** Moves a task in the side-stage of split-screen. */

    /** Moves a task in the side-stage of split-screen. */

    boolean moveToSideStage(int taskId, @SideStagePosition int sideStagePosition);

    boolean moveToSideStage(int taskId, @StagePosition int sideStagePosition);

    /** Moves a task in the side-stage of split-screen. */

    /** Moves a task in the side-stage of split-screen. */

    boolean moveToSideStage(ActivityManager.RunningTaskInfo task,

    boolean moveToSideStage(ActivityManager.RunningTaskInfo task,

            @SideStagePosition int sideStagePosition);

            @StagePosition int sideStagePosition);

    /** Removes a task from the side-stage of split-screen. */

    /** Removes a task from the side-stage of split-screen. */

    boolean removeFromSideStage(int taskId);

    boolean removeFromSideStage(int taskId);

    /** Sets the position of the side-stage. */

    /** Sets the position of the side-stage. */

    void setSideStagePosition(@SideStagePosition int sideStagePosition);

    void setSideStagePosition(@StagePosition int sideStagePosition);

    /** Hides the side-stage if it is currently visible. */

    /** Hides the side-stage if it is currently visible. */

    void setSideStageVisibility(boolean visible);

    void setSideStageVisibility(boolean visible);

    default void enterSplitScreen(int taskId, boolean leftOrTop) {

        moveToSideStage(taskId,

                leftOrTop ? STAGE_POSITION_TOP_OR_LEFT : STAGE_POSITION_BOTTOM_OR_RIGHT);

    }

    /** Removes the split-screen stages. */

    /** Removes the split-screen stages. */

    void exitSplitScreen();

    void exitSplitScreen();

    /** Gets the stage bounds. */

    /** Gets the stage bounds. */

    void getStageBounds(Rect outTopOrLeftBounds, Rect outBottomOrRightBounds);

    void getStageBounds(Rect outTopOrLeftBounds, Rect outBottomOrRightBounds);

    /** Updates the launch activity options for the split position we want to launch it in. */

    void updateActivityOptions(Bundle opts, @SideStagePosition int position);

    /** Dumps current status of split-screen. */

    /** Dumps current status of split-screen. */

    void dump(@NonNull PrintWriter pw, String prefix);

    void dump(@NonNull PrintWriter pw, String prefix);

    /** Called when the shell organizer has been registered. */

    /** Called when the shell organizer has been registered. */

    void onOrganizerRegistered();

    void onOrganizerRegistered();



    void registerSplitScreenListener(SplitScreenListener listener);

    void unregisterSplitScreenListener(SplitScreenListener listener);



    void startTask(int taskId,

            @StageType int stage, @StagePosition int position, @Nullable Bundle options);

    void startShortcut(String packageName, String shortcutId, @StageType int stage,

            @StagePosition int position, @Nullable Bundle options, UserHandle user);

    void startIntent(PendingIntent intent,

            @StageType int stage, @StagePosition int position, @Nullable Bundle options);

}
 
}

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java

+108 −5
Original line number Original line Diff line number Diff line
@@ -19,11 +19,19 @@ package com.android.wm.shell.splitscreen; 
import static android.view.Display.DEFAULT_DISPLAY;

import static android.view.Display.DEFAULT_DISPLAY;





import android.app.ActivityManager;

import android.app.ActivityManager;

import android.app.ActivityTaskManager;

import android.app.PendingIntent;

import android.content.ActivityNotFoundException;

import android.content.Context;

import android.content.Context;

import android.content.pm.LauncherApps;

import android.graphics.Rect;

import android.graphics.Rect;

import android.os.Bundle;

import android.os.Bundle;

import android.os.RemoteException;

import android.os.UserHandle;

import android.util.Slog;





import androidx.annotation.NonNull;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;





import com.android.wm.shell.RootTaskDisplayAreaOrganizer;

import com.android.wm.shell.RootTaskDisplayAreaOrganizer;

import com.android.wm.shell.ShellTaskOrganizer;

import com.android.wm.shell.ShellTaskOrganizer;
@@ -69,7 +77,7 @@ public class SplitScreenController implements SplitScreen { 
    }

    }





    @Override

    @Override

    public boolean moveToSideStage(int taskId, @SideStagePosition int sideStagePosition) {

    public boolean moveToSideStage(int taskId, @StagePosition int sideStagePosition) {

        final ActivityManager.RunningTaskInfo task = mTaskOrganizer.getRunningTaskInfo(taskId);

        final ActivityManager.RunningTaskInfo task = mTaskOrganizer.getRunningTaskInfo(taskId);

        if (task == null) {

        if (task == null) {

            throw new IllegalArgumentException("Unknown taskId" + taskId);

            throw new IllegalArgumentException("Unknown taskId" + taskId);
@@ -79,7 +87,7 @@ public class SplitScreenController implements SplitScreen { 




    @Override

    @Override

    public boolean moveToSideStage(ActivityManager.RunningTaskInfo task,

    public boolean moveToSideStage(ActivityManager.RunningTaskInfo task,

            @SideStagePosition int sideStagePosition) {

            @StagePosition int sideStagePosition) {

        return mStageCoordinator.moveToSideStage(task, sideStagePosition);

        return mStageCoordinator.moveToSideStage(task, sideStagePosition);

    }

    }
@@ -89,7 +97,7 @@ public class SplitScreenController implements SplitScreen { 
    }

    }





    @Override

    @Override

    public void setSideStagePosition(@SideStagePosition int sideStagePosition) {

    public void setSideStagePosition(@StagePosition int sideStagePosition) {

        mStageCoordinator.setSideStagePosition(sideStagePosition);

        mStageCoordinator.setSideStagePosition(sideStagePosition);

    }

    }
@@ -109,8 +117,103 @@ public class SplitScreenController implements SplitScreen { 
    }

    }





    @Override

    @Override

    public void updateActivityOptions(Bundle opts, @SideStagePosition int position) {

    public void registerSplitScreenListener(SplitScreenListener listener) {

        mStageCoordinator.updateActivityOptions(opts, position);

        mStageCoordinator.registerSplitScreenListener(listener);

    }



    @Override

    public void unregisterSplitScreenListener(SplitScreenListener listener) {

        mStageCoordinator.unregisterSplitScreenListener(listener);

    }



    @Override

    public void startTask(int taskId,

            @StageType int stage, @StagePosition int position, @Nullable Bundle options) {

        options = resolveStartStage(stage, position, options);



        try {

            ActivityTaskManager.getService().startActivityFromRecents(taskId, options);

        } catch (RemoteException e) {

            Slog.e(TAG, "Failed to launch task", e);

        }

    }



    @Override

    public void startShortcut(String packageName, String shortcutId, @StageType int stage,

            @StagePosition int position, @Nullable Bundle options, UserHandle user) {

        options = resolveStartStage(stage, position, options);



        try {

            LauncherApps launcherApps =

                    mContext.getSystemService(LauncherApps.class);

            launcherApps.startShortcut(packageName, shortcutId, null /* sourceBounds */,

                    options, user);

        } catch (ActivityNotFoundException e) {

            Slog.e(TAG, "Failed to launch shortcut", e);

        }

    }



    @Override

    public void startIntent(PendingIntent intent,

            @StageType int stage, @StagePosition int position, @Nullable Bundle options) {

        options = resolveStartStage(stage, position, options);



        try {

            intent.send(null, 0, null, null, null, null, options);

        } catch (PendingIntent.CanceledException e) {

            Slog.e(TAG, "Failed to launch activity", e);

        }

    }



    private Bundle resolveStartStage(@StageType int stage, @StagePosition int position,

            @Nullable Bundle options) {

        switch (stage) {

            case STAGE_TYPE_UNDEFINED: {

                // Use the stage of the specified position is valid.

                if (position != STAGE_POSITION_UNDEFINED) {

                    if (position == mStageCoordinator.getSideStagePosition()) {

                        options = resolveStartStage(STAGE_TYPE_SIDE, position, options);

                    } else {

                        options = resolveStartStage(STAGE_TYPE_MAIN, position, options);

                    }

                } else {

                    // Exit split-screen and launch fullscreen since stage wasn't specified.

                    mStageCoordinator.exitSplitScreen();

                }

                break;

            }

            case STAGE_TYPE_SIDE: {

                if (position != STAGE_POSITION_UNDEFINED) {

                    mStageCoordinator.setSideStagePosition(position);

                } else {

                    position = mStageCoordinator.getSideStagePosition();

                }

                if (options == null) {

                    options = new Bundle();

                }

                mStageCoordinator.updateActivityOptions(options, position);

                break;

            }

            case STAGE_TYPE_MAIN: {

                if (position != STAGE_POSITION_UNDEFINED) {

                    // Set the side stage opposite of what we want to the main stage.

                    final int sideStagePosition = position == STAGE_POSITION_TOP_OR_LEFT

                            ? STAGE_POSITION_BOTTOM_OR_RIGHT : STAGE_POSITION_TOP_OR_LEFT;

                    mStageCoordinator.setSideStagePosition(sideStagePosition);

                } else {

                    position = mStageCoordinator.getMainStagePosition();

                }

                if (options == null) {

                    options = new Bundle();

                }

                mStageCoordinator.updateActivityOptions(options, position);

                break;

            }

            default:

                throw new IllegalArgumentException("Unknown stage=" + stage);

        }



        return options;

    }

    }





    @Override

    @Override

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

+60 −13

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