import

git-svn-id: http://svn.coderepos.org/share/lang/javascript/vimperator-plugins/trunk@24576 d0d07461-0603-4401-acd4-de1884942a52

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+/*
+ * ==VimperatorPlugin==
+ * @name            nicontroller.js
+ * @description     blink specified elements.
+ * @description-ja  指定した要素を点滅させる。
+ * @author          janus_wel <janus_wel@fb3.so-net.ne.jp>
+ * @version         0.10
+ * @minversion      2.0pre 2008/10/16
+ * ==/VimperatorPlugin==
+ *
+ * LICENSE
+ *   New BSD License
+ *
+ * USAGE
+ *  :blink {element[s] object}
+ *  :bl
+ *      -> blink specified element[s].
+ *
+ *  :noblink
+ *  :nobl
+ *      -> clear blink all elements.
+ *
+ * SETTING
+ *  blink_element_interval:     interval time. default is 800 msec.
+ *  blink_element_color:        color for blink. default is red.
+ *  blink_element_sparecolor:   use this value when target's background color
+ *                              is same as color specified blink_element_color
+ *                              or default. default is cyan.
+ *
+ * EXAMPLE
+ *  let blink_element_interval='500'
+ *  let blink_element_color='green'
+ *  let blink_element_sparecolor='purple'
+ *
+ *  :bl content.document.getElementsByTagName('A');
+ *  :nobl
+ * */
+
+( function () {
+
+let intervalList = [];
+const interval = liberator.globalVariables.blink_element_interval || 800;
+const color = liberator.globalVariables.blink_element_color || 'red';
+const spareColor = liberator.globalVariables.blink_element_sparecolor || 'cyan';
+
+function setBlink(element) {
+    let originalColor = element.style.backgroundColor || 'inherit';
+    let blinkColor = (originalColor == color) ? spareColor : color;
+
+    element.style.backgroundColor = blinkColor;
+    let state = false;
+    let intervalId = setInterval( function () {
+        element.style.backgroundColor = state ? blinkColor : originalColor;
+        state = !state;
+    }, interval);
+
+    intervalList.push({
+        id:         intervalId,
+        element:    element,
+        color:      originalColor,
+    });
+}
+
+function clearBlink(i) {
+    i.element.style.backgroundColor = i.color;
+    clearInterval(i.id);
+}
+
+commands.addUserCommand(
+    ['blink', 'bl'],
+    'blink',
+    function (args) {
+        let arg = args.string;
+        let element;
+        try {
+            element = eval(arg);
+        }
+        catch (e) {
+            liberator.log(e);
+            liberator.echoerr(e);
+        }
+
+        if (!element) {
+            liberator.echoerr('specify element[s]');
+            return;
+        }
+
+        if (element instanceof HTMLCollection) {
+            for (let [, e] in Iterator(element)) {
+                setBlink(e);
+            }
+        }
+        else if ('style' in element) {
+            setBlink(element);
+        }
+        else {
+            liberator.echoerr('specify element[s]');
+        }
+    },
+    {
+        completer: function (filter) completion.javascript(filter),
+    }
+);
+
+commands.addUserCommand(
+    ['noblink', 'nobl'],
+    'no blink',
+    function () {
+        while (intervalList.length) clearBlink(intervalList.pop());
+    },
+    {}
+);
+
+})()
+
+// vim: set sw=4 ts=4 et;