/** Test for Bug 1012662 **/
// This test is called from both test_bug1012662_editor.html and test_bug1012662_noeditor.html
// This is to test that the code works both in the presence of a contentEditable node, and in the absense of one
var WATCH_TIMEOUT = 300;

// Some global variables to make the debug messages easier to track down
var gTestN0 = 0, gTestN1 = 0, gTestN2 = 0;
function testLoc() { return " " + gTestN0 + " - " + gTestN1 + " - " + gTestN2; }

// Listen for cut & copy events
var gCopyCount = 0, gCutCount = 0;
document.addEventListener('copy', function() {
  gCopyCount++;
});
document.addEventListener('cut', function() {
  gCutCount++;
});


// Helper methods
function selectNode(aSelector, aCb) {
  var dn = document.querySelector(aSelector);
  var range = document.createRange();
  range.selectNodeContents(dn);
  window.getSelection().removeAllRanges();
  window.getSelection().addRange(range);
  if (aCb) {
    aCb();
  }
}

function selectInputNode(aSelector, aCb) {
  var dn = document.querySelector(aSelector);
  synthesizeMouse(dn, 10, 10, {});
  SimpleTest.executeSoon(function() {
    synthesizeKey("A", {accelKey: true});
    SimpleTest.executeSoon(aCb);
  });
}

// Callback functions for attaching to the button
function execCut(aShouldSucceed) {
  var cb = function(e) {
    e.preventDefault();
    document.removeEventListener('keydown', cb);

    is(aShouldSucceed, document.execCommand('cut'), "Keydown caused cut invocation" + testLoc());
  };
  return cb;
}
function execCopy(aShouldSucceed) {
  var cb = function(e) {
    e.preventDefault();
    document.removeEventListener('keydown', cb);

    is(aShouldSucceed, document.execCommand('copy'), "Keydown caused copy invocation" + testLoc());
  };
  return cb;
}

// The basic test set. Tries to cut/copy everything
function cutCopyAll(aDoCut, aDoCopy, aDone, aNegate, aClipOverride, aJustClipboardNegate) {
  var execCommandAlwaysSucceed = !!(aClipOverride || aJustClipboardNegate);

  function waitForClipboard(aCond, aSetup, aNext, aNegateOne) {
    if (aClipOverride) {
      aCond = aClipOverride;
      aNegateOne = false;
    }
    if (aNegate || aNegateOne || aJustClipboardNegate) {
      SimpleTest.waitForClipboard(null, aSetup, aNext, aNext, "text/unicode", WATCH_TIMEOUT, true);
    } else {
      SimpleTest.waitForClipboard(aCond, aSetup, aNext, aNext);
    }
  }

  function validateCutCopy(aExpectedCut, aExpectedCopy) {
    if (aNegate) {
      aExpectedCut = aExpectedCopy = 0;
    } // When we are negating - we always expect callbacks not to be run

    is(aExpectedCut, gCutCount,
       (aExpectedCut > 0 ? "Expect cut callback to run" : "Expect cut callback not to run") + testLoc());
    is(aExpectedCopy, gCopyCount,
       (aExpectedCopy > 0 ? "Expect copy callback to run" : "Expect copy callback not to run") + testLoc());
    gCutCount = gCopyCount = 0;
  }

  function step(n) {
    function nextStep() { step(n + 1); }

    document.querySelector('span').textContent = 'span text';
    document.querySelector('input[type=text]').value = 'text text';
    document.querySelector('input[type=password]').value = 'password text';
    document.querySelector('textarea').value = 'textarea text';

    var contentEditableNode = document.querySelector('div[contentEditable=true]');
    if (contentEditableNode) {
      contentEditableNode.textContent = 'contenteditable text';
    }

    gTestN2 = n;
    switch (n) {
    case 0:
      // copy on readonly selection
      selectNode('span');
      waitForClipboard("span text", function() {
        aDoCopy(true);
      }, nextStep);
      return;

    case 1:
      validateCutCopy(0, 1);

      // cut on readonly selection
      selectNode('span');

      waitForClipboard("span text", function() {
        aDoCut(execCommandAlwaysSucceed);
      }, nextStep, true);
      return;

    case 2:
      validateCutCopy(1, 0);

      // copy on textbox selection
      selectInputNode('input[type=text]', nextStep);
      return;

    case 3:
      waitForClipboard("text text", function() {
        selectInputNode('input[type=text]', function() { aDoCopy(true); });
      }, nextStep);
      return;

    case 4:
      validateCutCopy(0, 1);

      // cut on textbox selection
      selectInputNode('input[type=text]', nextStep);
      return;

    case 5:
      waitForClipboard("text text", function() {
        aDoCut(true);
      }, nextStep);
      return;

    case 6:
      validateCutCopy(1, 0);

      // copy on password selection
      selectInputNode('input[type=password]', nextStep);
      return;

    case 7:
      waitForClipboard(null, function() {
        aDoCopy(execCommandAlwaysSucceed);
      }, nextStep, true);
      return;

    case 8:
      validateCutCopy(0, 1);

      // cut on password selection
      selectInputNode('input[type=password]', nextStep);
      return;

    case 9:
      waitForClipboard(null, function() {
        aDoCut(execCommandAlwaysSucceed);
      }, nextStep, true);
      return;

    case 10:
      validateCutCopy(1, 0);

      // copy on textarea selection
      selectInputNode('textarea', nextStep);
      return;

    case 11:
      waitForClipboard("textarea text", function() {
        aDoCopy(true);
      }, nextStep);
      return;

    case 12:
      validateCutCopy(0, 1);

      // cut on password selection
      selectInputNode('textarea', nextStep);
      return;

    case 13:
      waitForClipboard("textarea text", function() {
        aDoCut(true);
      }, nextStep);
      return;

    case 14:
      validateCutCopy(1, 0);

      // copy on no selection
      document.querySelector('textarea').blur();

      waitForClipboard(null, function() {
        aDoCopy(true);
      }, nextStep, true);
      return;

    case 15:
      validateCutCopy(0, 1);

      // cut on no selection
      waitForClipboard(null, function() {
        aDoCut(execCommandAlwaysSucceed);
      }, nextStep, true);
      return;

    case 16:
      validateCutCopy(1, 0);

      if (!document.querySelector('div[contentEditable=true]')) {
        // We're done! (no contentEditable node!)
        step(-1);
        return;
      }
      break;

    case 17:
      // copy on contenteditable selection
      waitForClipboard("contenteditable text", function() {
        selectNode('div[contentEditable=true]', function() {
          aDoCopy(true);
        });
      }, nextStep);
      return;

    case 18:
      validateCutCopy(0, 1);
      break;

    case 19:
      // cut on contenteditable selection
      waitForClipboard("contenteditable text", function() {
        selectNode('div[contentEditable=true]', function() {
          aDoCut(true);
        });
      }, nextStep);
      return;

    case 20:
      validateCutCopy(1, 0);
      break;

    default:
      aDone();
      return;
    }

    SimpleTest.executeSoon(function() { step(n + 1); });
  }

  step(0);
}

function allMechanisms(aCb, aClipOverride, aNegateAll) {
  function testStep(n) {
    gTestN1 = n;
    switch (n) {
    case 0:
      // Keyboard issued
      cutCopyAll(function docut(aSucc) {
        synthesizeKey("x", {accelKey: true});
      }, function docopy(aSucc) {
        synthesizeKey("c", {accelKey: true});
      }, function done() { testStep(n + 1); }, false, aClipOverride, aNegateAll);
      return;

    case 1:
      // Button issued
      cutCopyAll(function docut(aSucc) {
        document.addEventListener('keydown', execCut(aSucc));
        sendString("Q");
      }, function docopy(aSucc) {
        document.addEventListener('keydown', execCopy(aSucc));
        sendString("Q");
      }, function done() { testStep(n + 1); }, false, aClipOverride, aNegateAll);
      return;

    case 2:
      // Button issued
      cutCopyAll(function doCut(aSucc) {
        is(false, document.execCommand('cut'), "Can't directly execCommand not in a user callback");
      }, function doCopy(aSucc) {
        is(false, document.execCommand('copy'), "Can't directly execCommand not in a user callback");
      }, function done() { testStep(n + 1); }, true, aClipOverride, aNegateAll);
      return;

    default:
      aCb();
      return;
    }

    SimpleTest.executeSoon(function() { testStep(n + 1); });
  }
  testStep(0);
}

// Run the tests
SimpleTest.waitForExplicitFinish();
SimpleTest.requestLongerTimeout(5); // On the emulator - this times out occasionally
SimpleTest.waitForFocus(function() {
  function justCancel(aEvent) {
    aEvent.preventDefault();
  }

  function override(aEvent) {
    aEvent.clipboardData.setData('text/plain', 'overridden');
    aEvent.preventDefault();
  }

  allMechanisms(function() {
    gTestN0 = 1;
    document.addEventListener('cut', override);
    document.addEventListener('copy', override);

    allMechanisms(function() {
      gTestN0 = 2;
      document.removeEventListener('cut', override);
      document.removeEventListener('copy', override);
      document.addEventListener('cut', justCancel);
      document.addEventListener('copy', justCancel);

      allMechanisms(function() {
        SimpleTest.finish();
      }, null, true);
    }, 'overridden');
  });
});
