1 /*

     2  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    25 

    26 #include "config.h"

    27 #include "SecureTextInput.h"

    28 

    29 #if USE(CARBON_SECURE_INPUT_MODE)

    30 #import <Carbon/Carbon.h>

    31 #endif

    32 

    33 namespace WebCore {

    34 

    35 #if USE(CARBON_SECURE_INPUT_MODE)

    36 

    37 #ifdef BUILDING_ON_TIGER

    38 const short enableRomanKeyboardsOnly = -23;

    39 #endif

    40 

    41 void enableSecureTextInput()

    42 {

    43     if (IsSecureEventInputEnabled())

    44         return;

    45     EnableSecureEventInput();

    46 #ifdef BUILDING_ON_TIGER

    47     KeyScript(enableRomanKeyboardsOnly);

    48 #else

    49     // WebKit substitutes nil for input context when in password field, which corresponds to null TSMDocument. So, there is

    50     // no need to call TSMGetActiveDocument(), which may return an incorrect result when selection hasn't been yet updated

    51     // after focusing a node.

    52     CFArrayRef inputSources = TISCreateASCIICapableInputSourceList();

    53     TSMSetDocumentProperty(0, kTSMDocumentEnabledInputSourcesPropertyTag, sizeof(CFArrayRef), &inputSources);

    54     CFRelease(inputSources);

    55 #endif

    56 }

    57 

    58 void disableSecureTextInput()

    59 {

    60     if (!IsSecureEventInputEnabled())

    61         return;

    62     DisableSecureEventInput();

    63 #ifdef BUILDING_ON_TIGER

    64     KeyScript(smKeyEnableKybds);

    65 #else

    66     TSMRemoveDocumentProperty(0, kTSMDocumentEnabledInputSourcesPropertyTag);

    67 #endif

    68 }

    69 

    70 #endif // USE(CARBON_SECURE_INPUT_MODE)

    71 

    72 } // namespace WebCore