/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

interface UIScriptController {

    void doAsyncTask(object callback); // Used to test the harness.

    void zoomToScale(double scale, object callback);

    // Interaction.
    // These functions post events asynchronously. The callback is fired when the events have been dispatched, but any
    // resulting behavior may also be asynchronous.
    void touchDownAtPoint(long x, long y, long touchCount, object callback);
    void liftUpAtPoint(long x, long y, long touchCount, object callback);
    void singleTapAtPoint(long x, long y, object callback);
    void doubleTapAtPoint(long x, long y, object callback);

    void typeCharacterUsingHardwareKeyboard(DOMString character, object callback);
    void keyDownUsingHardwareKeyboard(DOMString character, object callback);
    void keyUpUsingHardwareKeyboard(DOMString character, object callback);

    attribute object didShowKeyboardCallback;
    attribute object didHideKeyboardCallback;

    attribute object willBeginZoomingCallback;
    attribute object didEndZoomingCallback;

    attribute object didEndScrollingCallback;

    // View state
    readonly attribute double zoomScale;
    readonly attribute double minimumZoomScale;
    readonly attribute double maximumZoomScale;

    readonly attribute object contentVisibleRect; // Returned object has 'left', 'top', 'width', 'height' properties.

    void uiScriptComplete(DOMString result);
};