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Hide Images.safariextension/global.html

<!--

    File: global.html

Abstract: Global page HTML file.

 Version: 1.0

Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple

Inc. ("Apple") in consideration of your agreement to the following

terms, and your use, installation, modification or redistribution of

this Apple software constitutes acceptance of these terms.  If you do

not agree with these terms, please do not use, install, modify or

redistribute this Apple software.

In consideration of your agreement to abide by the following terms, and

subject to these terms, Apple grants you a personal, non-exclusive

license, under Apple's copyrights in this original Apple software (the

"Apple Software"), to use, reproduce, modify and redistribute the Apple

Software, with or without modifications, in source and/or binary forms;

provided that if you redistribute the Apple Software in its entirety and

without modifications, you must retain this notice and the following

text and disclaimers in all such redistributions of the Apple Software.

Neither the name, trademarks, service marks or logos of Apple Inc. may

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

without specific prior written permission from Apple.  Except as

expressly stated in this notice, no other rights or licenses, express or

implied, are granted by Apple herein, including but not limited to any

patent rights that may be infringed by your derivative works or by other

works in which the Apple Software may be incorporated.

The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,

MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED

AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),

STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE

POSSIBILITY OF SUCH DAMAGE.

Copyright (C) 2010 Apple Inc. All Rights Reserved.

-->

<!DOCTYPE HTML>

<script>

// Register for the contextmenu event in the application layer.

safari.application.addEventListener("contextmenu", handleContextMenu, false);

// Register for the command event to perform the context menu item's action when it is clicked.

safari.application.addEventListener("command", handleCommand, false);

function handleContextMenu(event)

    // The passed in event is a SafariExtensionContextMenuEvent.

    // Retrieve the userInfo associated with this context menu event.  It should be

    // set to an object that contains the right-clicked element's tag name.  Add the

    // context menu item only if an image is right-clicked.

    if (event.userInfo && event.userInfo.tagName !== "IMG")

        return;

    event.contextMenu.appendContextMenuItem("hide-image", "Hide Image");

    // Alternately we could add "Hide Image" as a default context menu item in the Extension Builder

    // and disable it if the right-clicked element is not an image in the listener of the

    // "validate" event.

function handleCommand(event)

    // Always check the command name.

    if (event.command !== "hide-image")

        return;

    // We expect the user info for this event to contain the timestamp property.

    if (!event.userInfo || !event.userInfo.timestamp)

        return;

    // Send a message to the content script to hide the image.

    safari.application.activeBrowserWindow.activeTab.page.dispatchMessage("hide-element", event.userInfo.timestamp);

</script>

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