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Commit 66971f87 authored by Tony Wickham's avatar Tony Wickham Committed by Schneider Victor-tulias
Browse files

Create new window for Taskbar Nav Buttons when taskbar is focusable 

Test: Open folder from taskbar, edit name, ensure back button displays above IME and that IME sends input to the taskbar folder name
Bug: 205803170
Change-Id: I36f6cfb835aa7da280f15ea4b0aed8923ce8a012
parent c07fb08a

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

+83 −1
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_N 
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;

import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;

import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;

import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_REGION;



import android.animation.ArgbEvaluator;

import android.animation.ObjectAnimator;
@@ -53,9 +54,11 @@ import android.util.Property; 
import android.view.Gravity;

import android.view.MotionEvent;

import android.view.View;

import android.view.View.OnAttachStateChangeListener;

import android.view.View.OnClickListener;

import android.view.View.OnHoverListener;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.widget.FrameLayout;

import android.widget.ImageView;
@@ -65,10 +68,13 @@ import com.android.launcher3.Utilities; 
import com.android.launcher3.anim.AlphaUpdateListener;

import com.android.launcher3.taskbar.TaskbarNavButtonController.TaskbarButton;

import com.android.launcher3.util.MultiValueAlpha;

import com.android.launcher3.util.TouchController;

import com.android.launcher3.views.BaseDragLayer;

import com.android.quickstep.AnimatedFloat;

import com.android.systemui.shared.rotation.FloatingRotationButton;

import com.android.systemui.shared.rotation.RotationButton;

import com.android.systemui.shared.rotation.RotationButtonController;

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



import java.util.ArrayList;

import java.util.function.IntPredicate;
@@ -95,6 +101,8 @@ public class NavbarButtonsViewController { 


    private static final int MASK_IME_SWITCHER_VISIBLE = FLAG_SWITCHER_SUPPORTED | FLAG_IME_VISIBLE;



    private static final String NAV_BUTTONS_SEPARATE_WINDOW_TITLE = "Taskbar Nav Buttons";



    private final ArrayList<StatePropertyHolder> mPropertyHolders = new ArrayList<>();

    private final ArrayList<ImageView> mAllButtons = new ArrayList<>();

    private int mState;
@@ -130,6 +138,12 @@ public class NavbarButtonsViewController { 
    private View mBackButton;

    private FloatingRotationButton mFloatingRotationButton;



    // Variables for moving nav buttons to a separate window above IME

    private boolean mAreNavButtonsInSeparateWindow = false;

    private BaseDragLayer<TaskbarActivityContext> mSeparateWindowParent; // Initialized in init.

    private final ViewTreeObserverWrapper.OnComputeInsetsListener mSeparateWindowInsetsComputer =

            this::onComputeInsetsForSeparateWindow;



    public NavbarButtonsViewController(TaskbarActivityContext context, FrameLayout navButtonsView) {

        mContext = context;

        mNavButtonsView = navButtonsView;
@@ -258,6 +272,21 @@ public class NavbarButtonsViewController { 
                    R.id.notifications_button);

        }



        // Initialize things needed to move nav buttons to separate window.

        mSeparateWindowParent = new BaseDragLayer<TaskbarActivityContext>(mContext, null, 0) {

            @Override

            public void recreateControllers() {

                mControllers = new TouchController[0];

            }



            @Override

            protected boolean canFindActiveController() {

                // We don't have any controllers, but we don't want any floating views such as

                // folder to intercept, either. This ensures nav buttons can always be pressed.

                return false;

            }

        };

        mSeparateWindowParent.recreateControllers();

    }



    private void initButtons(ViewGroup navContainer, ViewGroup endContainer,
@@ -393,7 +422,7 @@ public class NavbarButtonsViewController { 
    /**

     * Adds the bounds corresponding to all visible buttons to provided region

     */

    public void addVisibleButtonsRegion(TaskbarDragLayer parent, Region outRegion) {

    public void addVisibleButtonsRegion(BaseDragLayer<?> parent, Region outRegion) {

        int count = mAllButtons.size();

        for (int i = 0; i < count; i++) {

            View button = mAllButtons.get(i);
@@ -498,6 +527,59 @@ public class NavbarButtonsViewController { 
        if (mFloatingRotationButton != null) {

            mFloatingRotationButton.hide();

        }



        moveNavButtonsBackToTaskbarWindow();

    }



    /**

     * Moves mNavButtonsView from TaskbarDragLayer to a placeholder BaseDragLayer on a new window.

     */

    public void moveNavButtonsToNewWindow() {

        if (mAreNavButtonsInSeparateWindow) {

            return;

        }



        mSeparateWindowParent.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {

            @Override

            public void onViewAttachedToWindow(View view) {

                ViewTreeObserverWrapper.addOnComputeInsetsListener(

                        mSeparateWindowParent.getViewTreeObserver(), mSeparateWindowInsetsComputer);

            }



            @Override

            public void onViewDetachedFromWindow(View view) {

                mSeparateWindowParent.removeOnAttachStateChangeListener(this);

                ViewTreeObserverWrapper.removeOnComputeInsetsListener(

                        mSeparateWindowInsetsComputer);

            }

        });



        mAreNavButtonsInSeparateWindow = true;

        mContext.getDragLayer().removeView(mNavButtonsView);

        mSeparateWindowParent.addView(mNavButtonsView);

        WindowManager.LayoutParams windowLayoutParams = mContext.createDefaultWindowLayoutParams();

        windowLayoutParams.setTitle(NAV_BUTTONS_SEPARATE_WINDOW_TITLE);

        mContext.addWindowView(mSeparateWindowParent, windowLayoutParams);



    }



    /**

     * Moves mNavButtonsView from its temporary window and reattaches it to TaskbarDragLayer.

     */

    public void moveNavButtonsBackToTaskbarWindow() {

        if (!mAreNavButtonsInSeparateWindow) {

            return;

        }



        mAreNavButtonsInSeparateWindow = false;

        mContext.removeWindowView(mSeparateWindowParent);

        mSeparateWindowParent.removeView(mNavButtonsView);

        mContext.getDragLayer().addView(mNavButtonsView);

    }



    private void onComputeInsetsForSeparateWindow(ViewTreeObserverWrapper.InsetsInfo insetsInfo) {

        addVisibleButtonsRegion(mSeparateWindowParent, insetsInfo.touchableRegion);

        insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);

    }



    private class RotationButtonListener implements RotationButton.RotationButtonUpdatesCallback {

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

+35 −17
Original line number Diff line number Diff line
@@ -187,22 +187,7 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ 


    public void init(TaskbarSharedState sharedState) {

        mLastRequestedNonFullscreenHeight = getDefaultTaskbarWindowHeight();

        mWindowLayoutParams = new WindowManager.LayoutParams(

                MATCH_PARENT,

                mLastRequestedNonFullscreenHeight,

                TYPE_NAVIGATION_BAR_PANEL,

                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE

                        | WindowManager.LayoutParams.FLAG_SLIPPERY,

                PixelFormat.TRANSLUCENT);

        mWindowLayoutParams.setTitle(WINDOW_TITLE);

        mWindowLayoutParams.packageName = getPackageName();

        mWindowLayoutParams.gravity = Gravity.BOTTOM;

        mWindowLayoutParams.setFitInsetsTypes(0);

        mWindowLayoutParams.receiveInsetsIgnoringZOrder = true;

        mWindowLayoutParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;

        mWindowLayoutParams.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;

        mWindowLayoutParams.privateFlags =

                WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;

        mWindowLayoutParams = createDefaultWindowLayoutParams();



        WindowManagerWrapper wmWrapper = WindowManagerWrapper.getInstance();

        wmWrapper.setProvidesInsetsTypes(
@@ -223,6 +208,27 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ 
        mWindowManager.addView(mDragLayer, mWindowLayoutParams);

    }



    /** Creates LayoutParams for adding a view directly to WindowManager as a new window */

    public WindowManager.LayoutParams createDefaultWindowLayoutParams() {

        WindowManager.LayoutParams windowLayoutParams = new WindowManager.LayoutParams(

                MATCH_PARENT,

                mLastRequestedNonFullscreenHeight,

                TYPE_NAVIGATION_BAR_PANEL,

                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE

                        | WindowManager.LayoutParams.FLAG_SLIPPERY,

                PixelFormat.TRANSLUCENT);

        windowLayoutParams.setTitle(WINDOW_TITLE);

        windowLayoutParams.packageName = getPackageName();

        windowLayoutParams.gravity = Gravity.BOTTOM;

        windowLayoutParams.setFitInsetsTypes(0);

        windowLayoutParams.receiveInsetsIgnoringZOrder = true;

        windowLayoutParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;

        windowLayoutParams.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;

        windowLayoutParams.privateFlags =

                WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;

        return windowLayoutParams;

    }



    public void onConfigurationChanged(@Config int configChanges) {

        mControllers.onConfigurationChanged(configChanges);

    }
@@ -497,17 +503,29 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ 


    /**

     * Either adds or removes {@link WindowManager.LayoutParams#FLAG_NOT_FOCUSABLE} on the taskbar

     * window.

     * window. If we're now focusable, also move nav buttons to a separate window above IME.

     */

    public void setTaskbarWindowFocusableForIme(boolean focusable) {

        if (focusable) {

            mWindowLayoutParams.flags &= ~FLAG_NOT_FOCUSABLE;

            mControllers.navbarButtonsViewController.moveNavButtonsToNewWindow();

        } else {

            mWindowLayoutParams.flags |= FLAG_NOT_FOCUSABLE;

            mControllers.navbarButtonsViewController.moveNavButtonsBackToTaskbarWindow();

        }

        mWindowManager.updateViewLayout(mDragLayer, mWindowLayoutParams);

    }



    /** Adds the given view to WindowManager with the provided LayoutParams (creates new window). */

    public void addWindowView(View view, WindowManager.LayoutParams windowLayoutParams) {

        mWindowManager.addView(view, windowLayoutParams);

    }



    /** Removes the given view from WindowManager. See {@link #addWindowView}. */

    public void removeWindowView(View view) {

        mWindowManager.removeViewImmediate(view);

    }



    protected void onTaskbarIconClicked(View view) {

        Object tag = view.getTag();

        if (tag instanceof Task) {

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

+18 −0
Original line number Diff line number Diff line
@@ -15,17 +15,22 @@ 
 */

package com.android.launcher3.taskbar;



import static android.view.KeyEvent.ACTION_UP;

import static android.view.KeyEvent.KEYCODE_BACK;



import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Path;

import android.util.AttributeSet;

import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.View;



import androidx.annotation.NonNull;

import androidx.annotation.Nullable;



import com.android.launcher3.AbstractFloatingView;

import com.android.launcher3.R;

import com.android.launcher3.testing.TestLogging;

import com.android.launcher3.testing.TestProtocol;
@@ -187,4 +192,17 @@ public class TaskbarDragLayer extends BaseDragLayer<TaskbarActivityContext> { 
        TestLogging.recordMotionEvent(TestProtocol.SEQUENCE_MAIN, "Touch event", ev);

        return super.dispatchTouchEvent(ev);

    }



    /** Called while Taskbar window is focusable, e.g. when pressing back while a folder is open */

    @Override

    public boolean dispatchKeyEvent(KeyEvent event) {

        if (event.getAction() == ACTION_UP && event.getKeyCode() == KEYCODE_BACK) {

            AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mActivity);

            if (topView != null && topView.onBackPressed()) {

                // Handled by the floating view.

                return true;

            }

        }

        return super.dispatchKeyEvent(event);

    }

}

src/com/android/launcher3/Utilities.java

+1 −1
Original line number Diff line number Diff line
@@ -228,7 +228,7 @@ public final class Utilities { 
            offsetPoints(coord, v.getLeft(), v.getTop());

            scale *= v.getScaleX();



            v = (View) v.getParent();

            v = v.getParent() instanceof View ? (View) v.getParent() : null;

        }

        return scale;

    }