<
/* NEW BSD LICENSE {{{
Copyright (c) 2009-2010, anekos.
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.
    3. The names of the authors may not be used to endorse or promote products
       derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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.


###################################################################################
# http://sourceforge.jp/projects/opensource/wiki/licenses%2Fnew_BSD_license       #
# に参考になる日本語訳がありますが、有効なのは上記英文となります。                #
###################################################################################

}}} */

// PLUGIN_INFO {{{
let PLUGIN_INFO =
<VimperatorPlugin>
  <name>Auto Source</name>
  <description>Sourcing automatically when the specified file is modified.</description>
  <description lang="ja">指定のファイルが変更されたら自動で :so する。</description>
  <version>1.5.1</version>
  <author mail="anekos@snca.net" homepage="http://d.hatena.ne.jp/nokturnalmortum/">anekos</author>
  </*
 * ==VimperatorPlugin==
 * @name            youtubeamp.js
 * @description     this script gives you keyboard oprations for YouTube.com.
 * @description-ja  YouTube のプレーヤーをキーボードで操作できるようにする。
 * @author          janus_wel <janus_wel@fb3.so-net.ne.jp>
 * @version         0.12
 * @minversion      2.0pre 2008/10/16
 * ==/VimperatorPlugin==
 *
 * LICENSE
 *   New BSD License
 *
 * USAGE
 *   :ytinfo
 *     プレーヤーに関しての情報を表示する。今のところバージョンだけ。
 *   :ytpause
 *     再生 / 一時停止を切り替える。
 *   :ytmute
 *     音声あり / なしを切り替える。
 *   :ytsize
 *     最大化 / ノーマルを切り替える。動いてない。
 *   :ytseek [position]
 *     指定した場所にシークする。秒数で指定が可能。
 *     指定なしの場合一番最初にシークする。
 *   :ytseek! delta
 *     現在の位置から delta 分離れた所にシークする。秒数で指定が可能。
 *     マイナスを指定すると戻る。指定なしの場合変化しない。
 *   :ytvolume [volume]
 *     ボリュームを設定する。 0 ～ 100 が指定できる。
 *     指定なしの場合 100 にセットする。
 *   :ytvolume! delta
 *     ボリュームを現在の値から変更する。 -100 ～ +100 を指定可能。
 *     指定なしの場合変化しない。
 *
 * SEE ALSO
 *   http://code.google.com/apis/youtube/js_api_reference.html
 *
 * HISTORY
 *   2008/10/07 ver. 0.10   - initial written.
 * */

(function() {

Function.prototype.bind = function(object) {
    var __method = this;
    return function() {
        return __method.apply(object, arguments);
    };
};

// class definition
// YouTubePlayerController Class
function YouTubePlayerController() {
    this.initialize.apply(this, arguments);
}
YouTubePlayerController.prototype = {
    initialize: function() {
        this.fuller = this._changeToFull.bind(this);
    },

    constants: {
        VERSION: '0.12',

        CARDINAL_NUMBER: 10,

        YOUTUBE_DOMAIN: '.youtube.jp',
        YOUTUBE_URL:    '^http://[^.]+\\.youtube\\.com/',
        WATCH_URL:      'http://[^.]+\\.youtube\\.com/watch',
        WATCH_PAGE:     1,

        PLAYER_NODE_ID: 'movie_player',

        STATE_PLAYING: 1,

        SIZE_WIDTH_DEFAULT:  480,
        SIZE_HEIGHT_DEFAULT: 385,

        NAME_PLAYER_VERSION: 'PLAYER_VERSION',

        SEEKTO_DEFAULT:   0,
        SEEKBY_DEFAULT:   0,
        VOLUMETO_DEFAULT: 100,
        VOLUMEBY_DEFAULT: 0,

        HIDE_NODES: [
            'old-masthead',
            'watch-vid-title',
            'watch-other-vids',
            'old-footer',
            'copyright',
            'watch-main-area',
            'watch-comments-stats',
            'watch-video-response',
            'chrome-promo',
            'watch-video-quality-setting',
        ],
    },

    getControllerVersion: function() { return this.constants.VERSION; },

    pagecheck: function() {
        if(this.getURL().match(this.constants.WATCH_URL)) return this.constants.WATCH_PAGE;
        throw new Error('current tab is not watch page on youtube.com');
    },

    getURL: function() { return liberator.modules.buffer.URL; },

    _player: function() {
        if(this.pagecheck() === this.constants.WATCH_PAGE) {
            let player = this._getElementById(this.constants.PLAYER_NODE_ID);
            if(! player) throw new Error('player is not found');

            return player;
        }
        return null;
    },

    togglePlay: function() {
        var p = this._player();
        (p.getPlayerState() !== this.constants.STATE_PLAYING)
            ? p.playVideo()
            : p.pauseVideo();
    },

    toggleMute: function() {
        var p = this._player();
        p.isMuted() ? p.unMute() : p.mute();
    },

    toggleSize: function() {
        var p = this._player();
        (p.width == this.constants.SIZE_WIDTH_DEFAULT && p.height == this.constants.SIZE_HEIGHT_DEFAULT)
            ? this._fullSize()
            : this._normalSize();
    },

    _changeToFull: function() {
        var p = this._player();
        setTimeout(function() {
            p.width = content.innerWidth;
            p.height = content.innerHeight;
        }, 0);
    },

    _getElementById: function(id) {
        var e = window.content.document.getElementById(id);
        if(!e) return null;

        return e.wrappedJSObject
            ? e.wrappedJSObject
            : e;
    },

    _fullSize: function() {
        var b = this._getElementById('baseDiv');
        this.defMargin = b.style.margin;
        this.defPadding = b.style.padding;
        this.defWidth = b.style.width;
        b.style.margin = 0;
        b.style.padding = 0;
        b.style.width = '100%';

        for(let i=0, max=this.constants.HIDE_NODES.length ; i<max ; ++i) {
            let h = this._getElementById(this.constants.HIDE_NODES[i]);
            if(h) { h.style.display = 'none'; }
        }

        this._changeToFull();

        window.addEventListener(
            'resize',
            this.fuller,
            false
        );
    },

    _normalSize: function() {
        var b = this._getElementById('baseDiv');
        b.style.margin  = this.defMargin;
        b.style.padding = this.defPadding;
        b.style.width   = this.defWidth;

        for(let i=0, max=this.constants.HIDE_NODES.length ; i<max ; ++i) {
            let h = this._getElementById(this.constants.HIDE_NODES[i]);
            if(h) { h.style.display = 'block'; }
        }

        var p = this._player();
        p.width = this.constants.SIZE_WIDTH_DEFAULT;
        p.height = this.constants.SIZE_HEIGHT_DEFAULT;

        window.removeEventListener(
            'resize',
            this.fuller,
            false
        );
    },

    seekTo: function(position) {
        if(position) {
            if(position.match(/^(\d+):(\d+)$/)) {
                position = parseInt(RegExp.$1, this.constants.CARDINAL_NUMBER) * 60
                    + parseInt(RegExp.$2, this.constants.CARDINAL_NUMBER);
            }
            if(isNaN(position)) throw new Error('assign unsigned number : seekTo()');
        }
        else position = this.constants.SEEKTO_DEFAULT;

        var p = this._player();
        p.seekTo(position);
    },

    seekBy: function(delta) {
        if(delta) {
            if(isNaN(delta)) throw new Error('assign signed number : seekBy()');
        }
        else delta = this.constants.SEEKBY_DEFAULT;

        var p = this._player();
        var position = p.getCurrentTime();
        position += parseInt(delta, this.constants.CARDINAL_NUMBER);

        p.seekTo(position);
    },

    volumeTo: function(volume) {
        if(volume) {
            if(isNaN(volume)) throw new Error('assign unsigned number : volumeTo()');
        }
        else volume = this.constants.VOLUMETO_DEFAULT;

        var p = this._player();
        p.setVolume(volume);
    },

    volumeBy: function(delta) {
        if(delta) {
            if(isNaN(delta)) throw new Error('assign signed number : volumeBy()');
        }
        else delta = this.constants.VOLUMEBY_DEFAULT;

        var p = this._player();
        var volume = p.getVolume();
        volume += parseInt(delta, this.constants.CARDINAL_NUMBER);

        p.setVolume(volume);
    },
};

// global object
var controller = new YouTubePlayerController();

// command register
liberator.modules.commands.addUserCommand(
    ['ytinfo'],
    'display player information',
    function() {
        try {
            let info = [
                'controller version : ' + controller.getControllerVersion(),
            ].join('\n');
            liberator.echo(info, liberator.modules.commandline.FORCE_MULTILINE);
        }
        catch(e) { liberator.echoerr(e); }
    },
    {}
);

liberator.modules.commands.addUserCommand(
    ['ytpause'],
    'toggle play / pause',
    function() {
        try      { controller.togglePlay(); }
        catch(e) { liberator.echoerr(e); }
    },
    {}
);

liberator.modules.commands.addUserCommand(
    ['ytmute'],
    'toggle mute',
    function() {
        try      { controller.toggleMute(); }
        catch(e) { liberator.echoerr(e); }
    },
    {}
);

liberator.modules.commands.addUserCommand(
    ['ytseek'],
    'controll seek bar',
    function(args) {
        try {
            let arg = (args.length > 1)
                ? args[0].toString()
                : args.string;
            args.bang ? controller.seekBy(arg) : controller.seekTo(arg);
        }
        catch(e) { liberator.echoerr(e); }
    },
    {
        bang: true,
    }
);

liberator.modules.commands.addUserCommand(
    ['ytvolume'],
    'controll volume',
    function(args) {
        try {
            let arg = (args.length > 1)
                ? args[0].toString()
                : args.string;
            args.bang ? controller.volumeBy(arg) : controller.volumeTo(arg);
        }
        catch(e) { liberator.echoerr(e); }
    },
    {
        bang: true,
    }
);

liberator.modules.commands.addUserCommand(
    ['ytsize'],
    'toggle video size',
    function() {
        try      { controller.toggleSize(); }
        catch(e) { liberator.echoerr(e); }
    },
    {}
);

})()

// vim: set sw=4 ts=4 et;