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      1 /*
      2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
      4  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "PolicyCallback.h"
     33 
     34 #include "FormState.h"
     35 #include "Frame.h"
     36 #include "FrameLoader.h"
     37 #include "HTMLFormElement.h"
     38 
     39 namespace WebCore {
     40 
     41 PolicyCallback::PolicyCallback()
     42     : m_navigationFunction(0)
     43     , m_newWindowFunction(0)
     44     , m_contentFunction(0)
     45     , m_argument(0)
     46 {
     47 }
     48 
     49 PolicyCallback::~PolicyCallback()
     50 {
     51 }
     52 
     53 void PolicyCallback::clear()
     54 {
     55     clearRequest();
     56     m_navigationFunction = 0;
     57     m_newWindowFunction = 0;
     58     m_contentFunction = 0;
     59 }
     60 
     61 void PolicyCallback::set(const ResourceRequest& request, PassRefPtr<FormState> formState,
     62     NavigationPolicyDecisionFunction function, void* argument)
     63 {
     64     m_request = request;
     65     m_formState = formState;
     66     m_frameName = String();
     67 
     68     m_navigationFunction = function;
     69     m_newWindowFunction = 0;
     70     m_contentFunction = 0;
     71     m_argument = argument;
     72 }
     73 
     74 void PolicyCallback::set(const ResourceRequest& request, PassRefPtr<FormState> formState,
     75     const String& frameName, const NavigationAction& navigationAction, NewWindowPolicyDecisionFunction function, void* argument)
     76 {
     77     m_request = request;
     78     m_formState = formState;
     79     m_frameName = frameName;
     80     m_navigationAction = navigationAction;
     81 
     82     m_navigationFunction = 0;
     83     m_newWindowFunction = function;
     84     m_contentFunction = 0;
     85     m_argument = argument;
     86 }
     87 
     88 void PolicyCallback::set(ContentPolicyDecisionFunction function, void* argument)
     89 {
     90     m_request = ResourceRequest();
     91     m_formState = 0;
     92     m_frameName = String();
     93 
     94     m_navigationFunction = 0;
     95     m_newWindowFunction = 0;
     96     m_contentFunction = function;
     97     m_argument = argument;
     98 }
     99 
    100 void PolicyCallback::call(bool shouldContinue)
    101 {
    102     if (m_navigationFunction)
    103         m_navigationFunction(m_argument, m_request, m_formState.get(), shouldContinue);
    104     if (m_newWindowFunction)
    105         m_newWindowFunction(m_argument, m_request, m_formState.get(), m_frameName, m_navigationAction, shouldContinue);
    106     ASSERT(!m_contentFunction);
    107 }
    108 
    109 void PolicyCallback::call(PolicyAction action)
    110 {
    111     ASSERT(!m_navigationFunction);
    112     ASSERT(!m_newWindowFunction);
    113     ASSERT(m_contentFunction);
    114     m_contentFunction(m_argument, action);
    115 }
    116 
    117 void PolicyCallback::clearRequest()
    118 {
    119     m_request = ResourceRequest();
    120     m_formState = 0;
    121     m_frameName = String();
    122 }
    123 
    124 void PolicyCallback::cancel()
    125 {
    126     clearRequest();
    127     if (m_navigationFunction)
    128         m_navigationFunction(m_argument, m_request, m_formState.get(), false);
    129     if (m_newWindowFunction)
    130         m_newWindowFunction(m_argument, m_request, m_formState.get(), m_frameName, m_navigationAction, false);
    131     if (m_contentFunction)
    132         m_contentFunction(m_argument, PolicyIgnore);
    133 }
    134 
    135 } // namespace WebCore
    136