Merge changes from topic "toast-security-fix-sc-dev" into sc-dev am: 799f0a7f

import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.graphics.Region;

import android.gui.DropInputMode;

import android.hardware.power.Boost;

import android.os.Handler;

import android.os.IBinder;

        }

    }

    /**

     * Add additional policy if needed to ensure the window or its children should not receive any

     * input.

     */

    public void setDropInputModePolicy(WindowState win, LayoutParams attrs) {

        if (attrs.type == TYPE_TOAST

                && (attrs.privateFlags & PRIVATE_FLAG_TRUSTED_OVERLAY) == 0) {

            // Toasts should not receive input. These windows should not have any children, so

            // force this hierarchy of windows to drop all input.

            mService.mTransactionFactory.get()

                    .setDropInputMode(win.getSurfaceControl(), DropInputMode.ALL).apply();

        }

    }

    /**

     * Check if a window can be added to the system.

     *

            win.mToken.addWindow(win);

            displayPolicy.addWindowLw(win, attrs);

            displayPolicy.setDropInputModePolicy(win, win.mAttrs);

            if (type == TYPE_INPUT_METHOD) {

                displayContent.setInputMethodWindowLocked(win);

                imMayMove = false;