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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 {
     46 }
     47 
     48 PolicyCallback::~PolicyCallback()
     49 {
     50 }
     51 
     52 void PolicyCallback::clear()
     53 {
     54     clearRequest();
     55     m_navigationFunction = 0;
     56     m_newWindowFunction = 0;
     57     m_contentFunction = 0;
     58 }
     59 
     60 void PolicyCallback::set(const ResourceRequest& request, PassRefPtr<FormState> formState,
     61     NavigationPolicyDecisionFunction function, void* argument)
     62 {
     63     m_request = request;
     64     m_formState = formState;
     65     m_frameName = String();
     66 
     67     m_navigationFunction = function;
     68     m_newWindowFunction = 0;
     69     m_contentFunction = 0;
     70     m_argument = argument;
     71 }
     72 
     73 void PolicyCallback::set(const ResourceRequest& request, PassRefPtr<FormState> formState,
     74     const String& frameName, NewWindowPolicyDecisionFunction function, void* argument)
     75 {
     76     m_request = request;
     77     m_formState = formState;
     78     m_frameName = frameName;
     79 
     80     m_navigationFunction = 0;
     81     m_newWindowFunction = function;
     82     m_contentFunction = 0;
     83     m_argument = argument;
     84 }
     85 
     86 void PolicyCallback::set(ContentPolicyDecisionFunction function, void* argument)
     87 {
     88     m_request = ResourceRequest();
     89     m_formState = 0;
     90     m_frameName = String();
     91 
     92     m_navigationFunction = 0;
     93     m_newWindowFunction = 0;
     94     m_contentFunction = function;
     95     m_argument = argument;
     96 }
     97 
     98 void PolicyCallback::call(bool shouldContinue)
     99 {
    100     if (m_navigationFunction)
    101         m_navigationFunction(m_argument, m_request, m_formState.get(), shouldContinue);
    102     if (m_newWindowFunction)
    103         m_newWindowFunction(m_argument, m_request, m_formState.get(), m_frameName, shouldContinue);
    104     ASSERT(!m_contentFunction);
    105 }
    106 
    107 void PolicyCallback::call(PolicyAction action)
    108 {
    109     ASSERT(!m_navigationFunction);
    110     ASSERT(!m_newWindowFunction);
    111     ASSERT(m_contentFunction);
    112     m_contentFunction(m_argument, action);
    113 }
    114 
    115 void PolicyCallback::clearRequest()
    116 {
    117     m_request = ResourceRequest();
    118     m_formState = 0;
    119     m_frameName = String();
    120 }
    121 
    122 void PolicyCallback::cancel()
    123 {
    124     clearRequest();
    125     if (m_navigationFunction)
    126         m_navigationFunction(m_argument, m_request, m_formState.get(), false);
    127     if (m_newWindowFunction)
    128         m_newWindowFunction(m_argument, m_request, m_formState.get(), m_frameName, false);
    129     if (m_contentFunction)
    130         m_contentFunction(m_argument, PolicyIgnore);
    131 }
    132 
    133 } // namespace WebCore
    134