{
  "manifest_version": 2,
  "name": "Post on DayOne",
  "version": "0.1",

  "default_locale": "en",
  "description": "__MSG_extDesc__",
  "icons": {
    "16": "icon/icon16.png",
    "48": "icon/icon48.png",
    "128": "icon/icon128.png"
  },

  "permissions": [
    "activeTab"
  ],

  "background": {
    "scripts": ["js/background.js"]
  },

  "browser_action": {
    "default_icon": "icon/icon19.png"
  },

  "content_scripts": [
    {
      "matches": ["*://*/*"],
      "js": ["js/content.js"],
      "run_at": "document_end"
    }
  ]
}

/**
 *  shortcut keydown event
 **/
chrome.extension.onMessage.addListener(function(request, sender, sendResponse) {
  if (sender.tab) {
    var title = sender.tab.title;
    var url = sender.tab.url;
    var text = request.strings;
    dayone(title, url, text);
  }
});

/**
 *  browser_action click event
 **/
chrome.browserAction.onClicked.addListener(function(tab) {
  chrome.tabs.sendRequest(tab.id, {method: 'getSelection'}, function(response) {
    var title = tab.title;
    var url = tab.url;
    var text = response.data;
    dayone(title, url, text);
  });
});

function dayone(title, url, text) {
  var header = '## [' + title + '](' + url + ')\n';
  var body = '---\n\n' + text + '\n\n---\n';
  var footer = '![capture](http://capture.heartrails.com/300x200/cool?' + url + ')';
  var dayone = 'dayone://post?entry=' + encodeURIComponent(header + body + footer);
  chrome.tabs.create({url: dayone});
}

document.onkeydown = function(e) {
  // Alt + d
  if (e.keyCode==68 && e.altKey) {
    // get selected strings
    var strings = getSelection().toString();
    if (strings !== '') {
      chrome.extension.sendMessage({ strings: strings }, function(response) {});
    }
  }
}

chrome.extension.onRequest.addListener(function(request, sender, sendResponse) {
  if (request.method == 'getSelection') {
    sendResponse({data: getSelection().toString()});
  } else {
    sendResponse({});
  }
});