// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Show a list of all tabs in the same process as this one.
function init() {
  chrome.windows.getCurrent({populate: true}, function(currentWindow) {
    chrome.tabs.query({currentWindow: true, active: true}, function(tabs) {
      var current = currentWindow.tabs.filter(function(tab) {
        return tab.active;
      })[0];
      chrome.experimental.processes.getProcessIdForTab(current.id,
        function(pid) {
          var outputDiv = document.getElementById("tab-list");
          var titleDiv = document.getElementById("title");
          titleDiv.innerHTML = "<b>Tabs in Process " + pid + ":</b>";
          displayTabInfo(currentWindow.id, current, outputDiv);
          displaySameProcessTabs(current, pid, outputDiv);
        }
      );

    });
  });
}

function displaySameProcessTabs(selectedTab, processId, outputDiv) {
  // Loop over all windows and their tabs
  var tabs = [];
  chrome.windows.getAll({ populate: true }, function(windowList) {
    for (var i = 0; i < windowList.length; i++) {
      for (var j = 0; j < windowList[i].tabs.length; j++) {
        var tab = windowList[i].tabs[j];
        if (tab.id != selectedTab.id) {
          tabs.push(tab);
        }
      }
    }

    // Display tab in list if it is in the same process
    tabs.forEach(function(tab) {
      chrome.experimental.processes.getProcessIdForTab(tab.id,
        function(pid) {
          if (pid == processId) {
            displayTabInfo(tab.windowId, tab, outputDiv);
          }
        }
      );
    });
  });
}

// Print a link to a given tab
function displayTabInfo(windowId, tab, outputDiv) {
  if (tab.favIconUrl != undefined) {
    outputDiv.innerHTML += "<img src='chrome://favicon/" + tab.url + "'>\n";
  }
  outputDiv.innerHTML +=
    "<b><a href='#' onclick='showTab(window, " + windowId + ", " + tab.id +
    ")'>" + tab.title + "</a></b><br>\n" +
    "<i>" + tab.url + "</i><br>\n";
}

// Bring the selected tab to the front
function showTab(origWindow, windowId, tabId) {
  // TODO: Bring the window to the front.  (See http://crbug.com/31434)
  //chrome.windows.update(windowId, {focused: true});
  chrome.tabs.update(tabId, { selected: true });
  origWindow.close();
}

// Kick things off.
document.addEventListener('DOMContentLoaded', init);