modules/movino/movino_players.inc

<?php // $Id: movino_players.inc,v 1.6 2007/10/02 03:41:25 tomsun Exp $
/*
    Movino Web Frontend - Integration with external players
    Copyright 2006, 2007 Tom Sundström

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 as
    published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public
    License along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/


/**
 * Returns an array containing information on all
 * installed embedded players compattible with Movino.
 * 
 * Example:
 * 
 *   $players['cortado'] = array(
 *    '#name' => t('Cortado'),
 *    '#callback' => 'movino_player_cortado_callback',
 *  );
 *
 * @return array
 */
function movino_player_list() {
  return module_invoke_all('movino_player');
}


/**
 * Display a video by embedding a player.
 * Select which of the installed player to use
 * by looking at the 'encoding' parameter of the video.
 *
 * @param array $video
 * @return string of HTML
 */
function movino_player($video) {

  // Figure out what formats the installed players support.
  $support = module_invoke_all('movino_player_supports');

  if (isset($support[$video['encoding']])) {
    $players = movino_player_list();
    $callback = $players[$support[$video['encoding']]]['#callback'];
    return call_user_func($callback, $video);
  }

  // Did not find a suitable player - return an unsupported message.
  return theme('movino_player_unsupported', $video);
}


/**
 * Theme a generic embedded player
 *
 * @param array $video
 * @param array $extra_params
 */
function theme_movino_player_embed($player_name, $params, $extra_params = array()) {
  $extra_params_embed = '';
  $extra_params_object = '';
  
  if (!empty($extra_params)) {
    foreach($extra_params as $pname => $pval) {
      $extra_params_embed .= "\n           $pname=\"$pval\"";
      $extra_params_object .= "\n  <param name=\"$pname\" value=\"$pval\"/>";
    }
  }
    
  // Read resize parameters.
  if (movino_player_embed_allow_resize($params)) {
    if (isset($_REQUEST['movino-ps'])
        && $_REQUEST['movino-ps'] >= movino_player_embed_scale_min()
        && $_REQUEST['movino-ps'] <= movino_player_embed_scale_max()
        )
    {    
      $params['width'] = $_REQUEST['movino-ps'] * $params['width'];
      $params['height'] = $_REQUEST['movino-ps'] * $params['height'];
    }
  }
  
  $size_attrib = ' style="width: '. $params['width'] . 'px; height: '. $params['height'] .'px; "';
    
  $output = <<<END
<div id="movino-player"{$size_attrib}>
<object id="{$player_name}-object"
        classid="{$params['classid']}"
        width="{$params['width']}"
        height="{$params['height']}"
        align="{$params['align']}"
        code="{$params['code']}"
        codebase="{$params['codebase']}"
>      
  <param name="archive" value="{$params['archive']}"/>
  <param name="url" value="{$params['url']}"/>{$extra_params_object}
  
  <comment>
    <embed id="cortado-embed" type="application/x-java-applet"
           width="{$params['width']}"
           height="{$params['height']}"
           align="{$params['align']}"
           code="{$params['code']}"
           archive="{$params['archive']}"
           codebase="{$params['codebase']}"
           url="{$params['url']}"{$extra_params_embed}
      >
      <noembed>You need Java to view this media file.</noembed>
    </embed>
  </comment>
</object>
</div>
END;

  if (movino_player_embed_allow_resize($params)) {
    $output .= theme('movino_player_embed_resize', $params);
  }
    
  return $output;
}


/**
 * Theme embed resize control.
 */
function theme_movino_player_embed_resize($video) {

  $output = '';
  $ps = (isset($_REQUEST['movino-ps']) ? $_REQUEST['movino-ps'] : 1);
  
  if ($ps > movino_player_embed_scale_min()) {
    $output .= l('-', $_REQUEST['q'], NULL, 'movino-ps=' . ($ps - 1));
  }
  if ($ps < movino_player_embed_scale_max()) {
    $output .= l('+', $_REQUEST['q'], NULL, 'movino-ps=' . ($ps + 1));
  }
  
  if (empty($output)) {
    return '';
  }
    
  return '<div id="resize-larger" style="margin-left: ' . $video['width'] . 'px ">' . $output . '</div>';
}


/**
 * Theme the 'unsupported video format' message.
 */
function theme_movino_player_unsupported($video) {
  return '<div id="movino-player" class="error">'. t('No video player installed for @encoding content.', array('@encoding' => $video['encoding'])) 
	 	. ' '
	 	. (user_access('administer Movino')
	  	? t('<a href="http://drupal.org/project/movino">Find</a> (or implement) a Movino-targeted Drupal module providing this functionality, then <a href="' . url('admin/build/modules') . '">install</a> and <a href="' . url('admin/settings/movino/players') . '">configure</a> it.')
	  	: t('Contact the site administrator.')
	 	).'</div>';
}
1	<?php // $Id: movino_players.inc,v 1.6 2007/10/02 03:41:25 tomsun Exp $
2	/*
3	Movino Web Frontend - Integration with external players
4	Copyright 2006, 2007 Tom Sundström
5
6	This program is free software; you can redistribute it and/or modify
7	it under the terms of the GNU General Public License version 2 as
8	published by the Free Software Foundation.
9
10	This program is distributed in the hope that it will be useful,
11	but WITHOUT ANY WARRANTY; without even the implied warranty of
12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	GNU General Public License for more details.
14
15	You should have received a copy of the GNU General Public
16	License along with this program; if not, write to the Free Software
17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18	*/
19
20
21	/**
22	* Returns an array containing information on all
23	* installed embedded players compattible with Movino.
24	*
25	* Example:
26	*
27	* $players['cortado'] = array(
28	* '#name' => t('Cortado'),
29	* '#callback' => 'movino_player_cortado_callback',
30	* );
31	*
32	* @return array
33	*/
34	function movino_player_list() {
35	return module_invoke_all('movino_player');
36	}
37
38
39	/**
40	* Display a video by embedding a player.
41	* Select which of the installed player to use
42	* by looking at the 'encoding' parameter of the video.
43	*
44	* @param array $video
45	* @return string of HTML
46	*/
47	function movino_player($video) {
48
49	// Figure out what formats the installed players support.
50	$support = module_invoke_all('movino_player_supports');
51
52	if (isset($support[$video['encoding']])) {
53	$players = movino_player_list();
54	$callback = $players[$support[$video['encoding']]]['#callback'];
55	return call_user_func($callback, $video);
56	}
57
58	// Did not find a suitable player - return an unsupported message.
59	return theme('movino_player_unsupported', $video);
60	}
61
62
63	/**
64	* Theme a generic embedded player
65	*
66	* @param array $video
67	* @param array $extra_params
68	*/
69	function theme_movino_player_embed($player_name, $params, $extra_params = array()) {
70	$extra_params_embed = '';
71	$extra_params_object = '';
72
73	if (!empty($extra_params)) {
74	foreach($extra_params as $pname => $pval) {
75	$extra_params_embed .= "\n $pname=\"$pval\"";
76	$extra_params_object .= "\n <param name=\"$pname\" value=\"$pval\"/>";
77	}
78	}
79
80	// Read resize parameters.
81	if (movino_player_embed_allow_resize($params)) {
82	if (isset($_REQUEST['movino-ps'])
83	&& $_REQUEST['movino-ps'] >= movino_player_embed_scale_min()
84	&& $_REQUEST['movino-ps'] <= movino_player_embed_scale_max()
85	)
86	{
87	$params['width'] = $_REQUEST['movino-ps'] * $params['width'];
88	$params['height'] = $_REQUEST['movino-ps'] * $params['height'];
89	}
90	}
91
92	$size_attrib = ' style="width: '. $params['width'] . 'px; height: '. $params['height'] .'px; "';
93
94	$output = <<<END
95	<div id="movino-player"{$size_attrib}>
96	<object id="{$player_name}-object"
97	classid="{$params['classid']}"
98	width="{$params['width']}"
99	height="{$params['height']}"
100	align="{$params['align']}"
101	code="{$params['code']}"
102	codebase="{$params['codebase']}"
103	>
104	<param name="archive" value="{$params['archive']}"/>
105	<param name="url" value="{$params['url']}"/>{$extra_params_object}
106
107	<comment>
108	<embed id="cortado-embed" type="application/x-java-applet"
109	width="{$params['width']}"
110	height="{$params['height']}"
111	align="{$params['align']}"
112	code="{$params['code']}"
113	archive="{$params['archive']}"
114	codebase="{$params['codebase']}"
115	url="{$params['url']}"{$extra_params_embed}
116	>
117	<noembed>You need Java to view this media file.</noembed>
118	</embed>
119	</comment>
120	</object>
121	</div>
122	END;
123
124	if (movino_player_embed_allow_resize($params)) {
125	$output .= theme('movino_player_embed_resize', $params);
126	}
127
128	return $output;
129	}
130
131
132	/**
133	* Theme embed resize control.
134	*/
135	function theme_movino_player_embed_resize($video) {
136
137	$output = '';
138	$ps = (isset($_REQUEST['movino-ps']) ? $_REQUEST['movino-ps'] : 1);
139
140	if ($ps > movino_player_embed_scale_min()) {
141	$output .= l('-', $_REQUEST['q'], NULL, 'movino-ps=' . ($ps - 1));
142	}
143	if ($ps < movino_player_embed_scale_max()) {
144	$output .= l('+', $_REQUEST['q'], NULL, 'movino-ps=' . ($ps + 1));
145	}
146
147	if (empty($output)) {
148	return '';
149	}
150
151	return '<div id="resize-larger" style="margin-left: ' . $video['width'] . 'px ">' . $output . '</div>';
152	}
153
154
155	/**
156	* Theme the 'unsupported video format' message.
157	*/
158	function theme_movino_player_unsupported($video) {
159	return '<div id="movino-player" class="error">'. t('No video player installed for @encoding content.', array('@encoding' => $video['encoding']))
160	. ' '
161	. (user_access('administer Movino')
162	? t('<a href="http://drupal.org/project/movino">Find</a> (or implement) a Movino-targeted Drupal module providing this functionality, then <a href="' . url('admin/build/modules') . '">install</a> and <a href="' . url('admin/settings/movino/players') . '">configure</a> it.')
163	: t('Contact the site administrator.')
164	).'</div>';
165	}