| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width"> |
| </head> |
| <body> |
| <form action="about:blank"> |
| <input id="input_text" type="text" size="10"><br> |
| <input id="input_password" type="password" size="10"> |
| </form> |
| |
| <script> |
| var selectionChangeEventLog = ""; |
| var otherEventLog = ""; |
| var mutationObserver = new MutationObserver(function(mutations) { |
| mutations.forEach(function(mutation) { |
| addEventLog(mutation.type, mutation.detail); |
| }); |
| }) |
| |
| var mutationConfig = { attributes: false, childList: false, characterData: true }; |
| |
| function addOtherEventLog(type, detail) { |
| if (otherEventLog.length > 0) { |
| otherEventLog += ','; |
| } |
| if (detail == null) { |
| otherEventLog += type; |
| } else { |
| otherEventLog += type + '(' + detail + ')'; |
| } |
| } |
| |
| function addSelectionChangeEventLog(type, detail) { |
| if (selectionChangeEventLog.length > 0) { |
| selectionChangeEventLog += ','; |
| } |
| if (detail == null) { |
| selectionChangeEventLog += type; |
| } else { |
| selectionChangeEventLog += type + '(' + detail + ')'; |
| } |
| } |
| |
| // selectionchange event is queued, so it races with the other events. |
| // crbug.com/628964 |
| function getEventLogs() { |
| if (otherEventLog.length > 0 && selectionChangeEventLog.length > 0) |
| return otherEventLog + ',' + selectionChangeEventLog; |
| return otherEventLog + selectionChangeEventLog; |
| } |
| |
| function clearEventLogs() { |
| selectionChangeEventLog = ''; |
| otherEventLog = ''; |
| } |
| |
| function addEventListener(element, event_name) { |
| element.addEventListener(event_name, function (e) { addOtherEventLog(event_name, e.data); }); |
| } |
| |
| function addKeyEventListener(element, event_name) { |
| element.addEventListener(event_name, function (e) { addOtherEventLog(event_name, e.keyCode); }); |
| } |
| |
| function addSelectionEventListener(event_name) { |
| // Note that listeners added to the element are not effective for now. |
| document.addEventListener(event_name, function (e) { addSelectionChangeEventLog(event_name, e.data); }); |
| } |
| |
| function registerListenersAndObserver(element) { |
| addKeyEventListener(element, "keydown"); |
| addKeyEventListener(element, "keypress"); |
| addKeyEventListener(element, "keyup"); |
| addEventListener(element, "compositionstart"); |
| addEventListener(element, "compositionupdate"); |
| addEventListener(element, "compositionend"); |
| addEventListener(element, "beforeedit"); |
| addEventListener(element, "edit"); |
| addEventListener(element, "select"); |
| addEventListener(element, "change"); |
| addEventListener(element, "input"); |
| mutationObserver.observe(element, mutationConfig); |
| } |
| |
| var inputText = document.getElementById("input_text"); |
| var inputPassword = document.getElementById("input_password"); |
| |
| // SelectionEventListener should be outside registerListenersAndObserver() to avoid duplication. |
| addSelectionEventListener("selectionchange"); |
| |
| registerListenersAndObserver(inputText); |
| registerListenersAndObserver(inputPassword); |
| </script> |
| </body> |
| </html> |
