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Commit | Line | Data |
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19c73507 AD |
1 | <?php |
2 | class PluginHost { | |
3 | private $link; | |
4 | private $hooks = array(); | |
5 | private $plugins = array(); | |
8dcb2b47 | 6 | private $handlers = array(); |
73f28fe9 | 7 | private $commands = array(); |
19c73507 AD |
8 | |
9 | const HOOK_ARTICLE_BUTTON = 1; | |
10 | const HOOK_ARTICLE_FILTER = 2; | |
6065f3ad | 11 | const HOOK_PREFS_TAB = 3; |
699daf58 | 12 | const HOOK_PREFS_TAB_SECTION = 4; |
6cbe53c9 | 13 | const HOOK_PREFS_TABS = 5; |
4412b877 | 14 | const HOOK_FEED_PARSED = 6; |
41b82aa4 | 15 | const HOOK_UPDATE_TASK = 7; |
0f28f81f | 16 | const HOOK_AUTH_USER = 8; |
19c73507 | 17 | |
d2a421e3 AD |
18 | const KIND_ALL = 1; |
19 | const KIND_SYSTEM = 2; | |
20 | const KIND_USER = 3; | |
21 | ||
19c73507 AD |
22 | function __construct($link) { |
23 | $this->link = $link; | |
24 | } | |
25 | ||
26 | private function register_plugin($name, $plugin) { | |
27 | //array_push($this->plugins, $plugin); | |
28 | $this->plugins[$name] = $plugin; | |
29 | } | |
30 | ||
31 | function get_link() { | |
32 | return $this->link; | |
33 | } | |
34 | ||
35 | function get_plugins() { | |
36 | return $this->plugins; | |
37 | } | |
38 | ||
39 | function get_plugin($name) { | |
40 | return $this->plugins[$name]; | |
41 | } | |
42 | ||
6065f3ad AD |
43 | function run_hooks($type, $method, $args) { |
44 | foreach ($this->get_hooks($type) as $hook) { | |
45 | $hook->$method($args); | |
46 | } | |
47 | } | |
48 | ||
19c73507 AD |
49 | function add_hook($type, $sender) { |
50 | if (!is_array($this->hooks[$type])) { | |
51 | $this->hooks[$type] = array(); | |
52 | } | |
53 | ||
54 | array_push($this->hooks[$type], $sender); | |
55 | } | |
56 | ||
57 | function del_hook($type, $sender) { | |
58 | if (is_array($this->hooks[$type])) { | |
59 | $key = array_Search($this->hooks[$type], $sender); | |
60 | if ($key !== FALSE) { | |
61 | unset($this->hooks[$type][$key]); | |
62 | } | |
63 | } | |
64 | } | |
65 | ||
66 | function get_hooks($type) { | |
19b3992b AD |
67 | if (isset($this->hooks[$type])) { |
68 | return $this->hooks[$type]; | |
69 | } else { | |
70 | return array(); | |
71 | } | |
19c73507 | 72 | } |
d2a421e3 | 73 | function load_all($kind) { |
7a866114 | 74 | $plugins = array_map("basename", glob("plugins/*")); |
d2a421e3 | 75 | $this->load(join(",", $plugins), $kind); |
7a866114 | 76 | } |
19c73507 | 77 | |
d2a421e3 | 78 | function load($classlist, $kind) { |
19c73507 AD |
79 | $plugins = explode(",", $classlist); |
80 | ||
81 | foreach ($plugins as $class) { | |
82 | $class = trim($class); | |
8dcb2b47 | 83 | $class_file = strtolower(basename($class)); |
19c73507 AD |
84 | $file = dirname(__FILE__)."/../plugins/$class_file/$class_file.php"; |
85 | ||
de612e7a AD |
86 | if (!isset($this->plugins[$class])) { |
87 | if (file_exists($file)) require_once $file; | |
19c73507 | 88 | |
de612e7a AD |
89 | if (class_exists($class) && is_subclass_of($class, "Plugin")) { |
90 | $plugin = new $class($this); | |
19c73507 | 91 | |
d2a421e3 AD |
92 | switch ($kind) { |
93 | case $this::KIND_SYSTEM: | |
94 | if ($this->is_system($plugin)) { | |
95 | $plugin->init($this); | |
96 | $this->register_plugin($class, $plugin); | |
97 | } | |
98 | break; | |
99 | case $this::KIND_USER: | |
100 | if (!$this->is_system($plugin)) { | |
101 | $plugin->init($this); | |
102 | $this->register_plugin($class, $plugin); | |
103 | } | |
104 | break; | |
105 | case $this::KIND_ALL: | |
106 | $plugin->init($this); | |
107 | $this->register_plugin($class, $plugin); | |
108 | break; | |
109 | } | |
de612e7a | 110 | } |
19c73507 AD |
111 | } |
112 | } | |
113 | } | |
114 | ||
de612e7a | 115 | function is_system($plugin) { |
d2a421e3 | 116 | $about = $plugin->about(); |
de612e7a AD |
117 | |
118 | return @$about[3]; | |
119 | } | |
120 | ||
121 | // only system plugins are allowed to modify routing | |
8dcb2b47 | 122 | function add_handler($handler, $method, $sender) { |
6cbe53c9 | 123 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
124 | $method = strtolower($method); |
125 | ||
de612e7a AD |
126 | if ($this->is_system($sender)) { |
127 | if (!is_array($this->handlers[$handler])) { | |
128 | $this->handlers[$handler] = array(); | |
129 | } | |
8dcb2b47 | 130 | |
de612e7a AD |
131 | $this->handlers[$handler][$method] = $sender; |
132 | } | |
8dcb2b47 AD |
133 | } |
134 | ||
135 | function del_handler($handler, $method) { | |
6cbe53c9 | 136 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
137 | $method = strtolower($method); |
138 | ||
de612e7a AD |
139 | if ($this->is_system($sender)) { |
140 | unset($this->handlers[$handler][$method]); | |
141 | } | |
8dcb2b47 AD |
142 | } |
143 | ||
144 | function lookup_handler($handler, $method) { | |
6cbe53c9 | 145 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
146 | $method = strtolower($method); |
147 | ||
148 | if (is_array($this->handlers[$handler])) { | |
6cbe53c9 AD |
149 | if (isset($this->handlers[$handler]["*"])) { |
150 | return $this->handlers[$handler]["*"]; | |
151 | } else { | |
152 | return $this->handlers[$handler][$method]; | |
153 | } | |
8dcb2b47 AD |
154 | } |
155 | ||
156 | return false; | |
157 | } | |
73f28fe9 AD |
158 | |
159 | function add_command($command, $description, $sender) { | |
160 | $command = "-" . str_replace("-", "_", strtolower($command)); | |
161 | ||
d2a421e3 AD |
162 | $this->commands[$command] = array("description" => $description, |
163 | "class" => $sender); | |
73f28fe9 AD |
164 | } |
165 | ||
166 | function del_command($command) { | |
167 | $command = "-" . strtolower($command); | |
168 | ||
d2a421e3 | 169 | unset($this->commands[$command]); |
73f28fe9 AD |
170 | } |
171 | ||
172 | function lookup_command($command) { | |
173 | $command = "-" . strtolower($command); | |
174 | ||
175 | if (is_array($this->commands[$command])) { | |
176 | return $this->commands[$command]["class"]; | |
177 | } else { | |
178 | return false; | |
179 | } | |
180 | ||
181 | return false; | |
182 | } | |
183 | ||
184 | function get_commands() { | |
185 | return $this->commands; | |
186 | } | |
187 | ||
188 | function run_commands($args) { | |
189 | foreach ($this->get_commands() as $command => $data) { | |
190 | if (in_array($command, $args)) { | |
191 | $command = str_replace("-", "", $command); | |
192 | $data["class"]->$command($args); | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
19c73507 AD |
197 | } |
198 | ?> |