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Commit 923f8267 authored by Filip Gruszczynski's avatar Filip Gruszczynski
Browse files

Provide anchor of the docked stack. 

This is necessary for further work on dock divider. This provides an api
inside the window manager to determine, where the dock originates. From
that we can determine where to place the divider and how to apply
resizing operations.

Change-Id: I607be9297b28c926d447d83c0578594247c099c3
parent b27fdb33

services/core/java/com/android/server/wm/TaskStack.java

+49 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ import static android.app.ActivityManager.*; 
import static com.android.server.wm.WindowManagerService.DEBUG_TASK_MOVEMENT;

import static com.android.server.wm.WindowManagerService.TAG;



import android.annotation.IntDef;

import android.content.res.Configuration;

import android.graphics.Rect;

import android.os.Debug;
@@ -32,6 +33,8 @@ import android.view.DisplayInfo; 
import com.android.server.EventLogTags;



import java.io.PrintWriter;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.ArrayList;



public class TaskStack implements DimLayer.DimLayerUser {
@@ -73,6 +76,20 @@ public class TaskStack implements DimLayer.DimLayerUser { 
    /** Detach this stack from its display when animation completes. */

    boolean mDeferDetach;



    static final int DOCKED_INVALID = -1;

    static final int DOCKED_LEFT = 1;

    static final int DOCKED_TOP = 2;

    static final int DOCKED_RIGHT = 3;

    static final int DOCKED_BOTTOM = 4;

    @IntDef({

            DOCKED_INVALID,

            DOCKED_LEFT,

            DOCKED_TOP,

            DOCKED_RIGHT,

            DOCKED_BOTTOM})

    @Retention(RetentionPolicy.SOURCE)

    @interface DockSide {}



    TaskStack(WindowManagerService service, int stackId) {

        mService = service;

        mStackId = stackId;
@@ -508,4 +525,36 @@ public class TaskStack implements DimLayer.DimLayerUser { 
    public String toString() {

        return "{stackId=" + mStackId + " tasks=" + mTasks + "}";

    }



    /**

     * For docked workspace provides information which side of the screen was the dock anchored.

     */

    @DockSide

    int getDockSide() {

        if (mStackId != DOCKED_STACK_ID) {

            return DOCKED_INVALID;

        }

        if (mDisplayContent == null) {

            return DOCKED_INVALID;

        }

        mDisplayContent.getLogicalDisplayRect(mTmpRect);

        final int orientation = mService.mCurConfiguration.orientation;

        if (orientation == Configuration.ORIENTATION_PORTRAIT) {

            // Portrait mode, docked either at the top or the bottom.

            if (mTmpRect.top - mBounds.top < mTmpRect.bottom - mBounds.bottom) {

                return DOCKED_TOP;

            } else {

                return DOCKED_BOTTOM;

            }

        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {

            // Landscape mode, docked either on the left or on the right.

            if (mTmpRect.left - mBounds.left < mTmpRect.right - mBounds.right) {

                return DOCKED_LEFT;

            } else {

                return DOCKED_RIGHT;

            }

        } else {

            return DOCKED_INVALID;

        }

    }

}