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      1 /*
      2  * Copyright (C) 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 "WebKitDLL.h"
     28 #include "WebFramePolicyListener.h"
     29 
     30 #include "WebFrame.h"
     31 
     32 #pragma warning(push, 0)
     33 #include <WebCore/Frame.h>
     34 #include <WebCore/FrameLoader.h>
     35 #include <WebCore/FrameLoaderClient.h>
     36 #pragma warning(pop)
     37 
     38 using namespace WebCore;
     39 
     40 // WebFramePolicyListener ----------------------------------------------------------------
     41 
     42 WebFramePolicyListener::WebFramePolicyListener(PassRefPtr<Frame> frame)
     43     : m_refCount(0)
     44     , m_frame(frame)
     45 {
     46     gClassCount++;
     47     gClassNameCount.add("WebFramePolicyListener");
     48 }
     49 
     50 WebFramePolicyListener::~WebFramePolicyListener()
     51 {
     52     gClassCount--;
     53     gClassNameCount.remove("WebFramePolicyListener");
     54 }
     55 
     56 WebFramePolicyListener* WebFramePolicyListener::createInstance(PassRefPtr<Frame> frame)
     57 {
     58     WebFramePolicyListener* instance = new WebFramePolicyListener(frame);
     59     instance->AddRef();
     60     return instance;
     61 }
     62 
     63 // IUnknown -------------------------------------------------------------------
     64 
     65 HRESULT STDMETHODCALLTYPE WebFramePolicyListener::QueryInterface(REFIID riid, void** ppvObject)
     66 {
     67     *ppvObject = 0;
     68     if (IsEqualGUID(riid, IID_IUnknown))
     69         *ppvObject = static_cast<IWebPolicyDecisionListener*>(this);
     70     else if (IsEqualGUID(riid, IID_IWebPolicyDecisionListener))
     71         *ppvObject = static_cast<IWebPolicyDecisionListener*>(this);
     72     else if (IsEqualGUID(riid, IID_IWebFormSubmissionListener))
     73         *ppvObject = static_cast<IWebFormSubmissionListener*>(this);
     74     else
     75         return E_NOINTERFACE;
     76 
     77     AddRef();
     78     return S_OK;
     79 }
     80 
     81 ULONG STDMETHODCALLTYPE WebFramePolicyListener::AddRef(void)
     82 {
     83     return ++m_refCount;
     84 }
     85 
     86 ULONG STDMETHODCALLTYPE WebFramePolicyListener::Release(void)
     87 {
     88     ULONG newRef = --m_refCount;
     89     if (!newRef)
     90         delete(this);
     91 
     92     return newRef;
     93 }
     94 
     95 // IWebPolicyDecisionListener ------------------------------------------------------------
     96 
     97 HRESULT STDMETHODCALLTYPE WebFramePolicyListener::use(void)
     98 {
     99     receivedPolicyDecision(PolicyUse);
    100     return S_OK;
    101 }
    102 
    103 HRESULT STDMETHODCALLTYPE WebFramePolicyListener::download(void)
    104 {
    105     receivedPolicyDecision(PolicyDownload);
    106     return S_OK;
    107 }
    108 
    109 HRESULT STDMETHODCALLTYPE WebFramePolicyListener::ignore(void)
    110 {
    111     receivedPolicyDecision(PolicyIgnore);
    112     return S_OK;
    113 }
    114 
    115 // IWebFormSubmissionListener ------------------------------------------------------------
    116 
    117 HRESULT STDMETHODCALLTYPE WebFramePolicyListener::continueSubmit(void)
    118 {
    119     receivedPolicyDecision(PolicyUse);
    120     return S_OK;
    121 }
    122 
    123 // WebFramePolicyListener ----------------------------------------------------------------
    124 void WebFramePolicyListener::receivedPolicyDecision(PolicyAction action)
    125 {
    126     RefPtr<Frame> frame = m_frame.release();
    127     if (frame)
    128         static_cast<WebFrame*>(frame->loader()->client())->receivedPolicyDecision(action);
    129 }
    130 
    131 void WebFramePolicyListener::invalidate()
    132 {
    133     m_frame = 0;
    134 }
    135 
    136