/*

    File: content.js

Abstract: Injected JavaScript file.

 Version: 1.0

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be used to endorse or promote products derived from the Apple Software

without specific prior written permission from Apple.  Except as

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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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*/

// Keep track of the last right-clicked element.

var lastRightClickedElement;

// Keep the timestamp of when lastRightClickedElement is saved.

var lastContextMenuEventTime;

// Register for the contextmenu event.

document.addEventListener("contextmenu", handleContextMenu, false);

// Register for the message event.

safari.self.addEventListener("message", handleMessage, false);

function handleContextMenu(event)

{

    lastRightClickedElement = event.target;

    lastContextMenuEventTime = new Date().getTime();

    // Pass the right-clicked element's tag name and the timestamp up to the global page.

    safari.self.tab.setContextMenuEventUserInfo(event, { "tagName": event.target.tagName, "timestamp": lastContextMenuEventTime });

}

function handleMessage(event)

{

    // Always check the name of the message that you want to handle.

    if (event.name !== "hide-element")

        return;

    if (!lastRightClickedElement) 

        return;

    // Make sure the timestamp of when lastRightClickedElement is saved matches the one sent in the message.

    // This message is sent to every frame on this page, and we don't want to hide lastRightClickedElement in a

    // different frame that was saved from a previous contextmenu event.

    if (lastContextMenuEventTime === event.message)

        lastRightClickedElement.style.visibility = "hidden";

    lastRightClickedElement = null;

    lastContextMenuEventTime = null;

}