avm99963 | 04def3e | 2016-11-27 22:53:05 +0100 | [diff] [blame] | 1 | var shortcutKey = {
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| 2 |
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| 3 | init: function() {
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| 4 | if (document.body.hasAttribute('screen_capture_injected')) {
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| 5 | return;
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| 6 | }
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| 7 | document.body.setAttribute('screen_capture_injected', true);
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| 8 | document.body.addEventListener('keydown', shortcutKey.handleShortcut,
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| 9 | false);
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| 10 | },
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| 11 |
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| 12 | isThisPlatform: function(operationSystem) {
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| 13 | return navigator.userAgent.toLowerCase().indexOf(operationSystem) > -1;
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| 14 | },
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| 15 |
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| 16 | handleShortcut: function (event) {
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| 17 | var isMac = shortcutKey.isThisPlatform('mac');
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| 18 | var keyCode = event.keyCode;
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| 19 | // Send compose key like Ctrl + Alt + alphabetical-key to background.
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| 20 | if ((event.ctrlKey && event.altKey && !isMac ||
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| 21 | event.metaKey && event.altKey && isMac) &&
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| 22 | keyCode > 64 && keyCode < 91) {
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| 23 | shortcutKey.sendMessage({
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| 24 | msg: 'capture_hot_key',
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| 25 | keyCode: keyCode
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| 26 | });
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| 27 | }
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| 28 | },
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| 29 |
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| 30 | sendMessage: function(message) {
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| 31 | chrome.extension.sendMessage(message);
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| 32 | }
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| 33 | };
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| 34 |
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| 35 | shortcutKey.init();
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