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      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 "WebKitDLL.h"
     28 #include "DOMCSSClasses.h"
     29 
     30 #include <WebCore/PlatformString.h>
     31 
     32 // DOMCSSStyleDeclaration - DOMCSSStyleDeclaration ----------------------------
     33 
     34 DOMCSSStyleDeclaration::DOMCSSStyleDeclaration(WebCore::CSSStyleDeclaration* s)
     35 : m_style(0)
     36 {
     37     if (s)
     38         s->ref();
     39 
     40     m_style = s;
     41 }
     42 
     43 DOMCSSStyleDeclaration::~DOMCSSStyleDeclaration()
     44 {
     45     if (m_style)
     46         m_style->deref();
     47 }
     48 
     49 IDOMCSSStyleDeclaration* DOMCSSStyleDeclaration::createInstance(WebCore::CSSStyleDeclaration* s)
     50 {
     51     if (!s)
     52         return 0;
     53 
     54     HRESULT hr;
     55     IDOMCSSStyleDeclaration* domStyle = 0;
     56 
     57     DOMCSSStyleDeclaration* newStyle = new DOMCSSStyleDeclaration(s);
     58     hr = newStyle->QueryInterface(IID_IDOMCSSStyleDeclaration, (void**)&domStyle);
     59 
     60     if (FAILED(hr))
     61         return 0;
     62 
     63     return domStyle;
     64 }
     65 
     66 // DOMCSSStyleDeclaration - IUnknown ------------------------------------------
     67 
     68 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::QueryInterface(REFIID riid, void** ppvObject)
     69 {
     70     *ppvObject = 0;
     71     if (IsEqualGUID(riid, IID_IDOMCSSStyleDeclaration))
     72         *ppvObject = static_cast<IDOMCSSStyleDeclaration*>(this);
     73     else
     74         return DOMObject::QueryInterface(riid, ppvObject);
     75 
     76     AddRef();
     77     return S_OK;
     78 }
     79 
     80 // DOMCSSStyleDeclaration - IDOMCSSStyleDeclaration ---------------------------
     81 
     82 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::cssText(
     83     /* [retval][out] */ BSTR* /*result*/)
     84 {
     85     ASSERT_NOT_REACHED();
     86     return E_NOTIMPL;
     87 }
     88 
     89 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::setCssText(
     90     /* [in] */ BSTR cssText)
     91 {
     92     WTF::String cssTextString(cssText);
     93     // FIXME: <rdar://5148045> return DOM exception info
     94     WebCore::ExceptionCode ec;
     95     m_style->setCssText(cssTextString, ec);
     96     return S_OK;
     97 }
     98 
     99 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::getPropertyValue(
    100     /* [in] */ BSTR propertyName,
    101     /* [retval][out] */ BSTR* result)
    102 {
    103     WTF::String propertyNameString(propertyName);
    104     WTF::String value = m_style->getPropertyValue(propertyNameString);
    105     *result = SysAllocStringLen(value.characters(), value.length());
    106     if (value.length() && !*result)
    107         return E_OUTOFMEMORY;
    108     return S_OK;
    109 }
    110 
    111 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::getPropertyCSSValue(
    112     /* [in] */ BSTR /*propertyName*/,
    113     /* [retval][out] */ IDOMCSSValue** /*result*/)
    114 {
    115     ASSERT_NOT_REACHED();
    116     return E_NOTIMPL;
    117 }
    118 
    119 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::removeProperty(
    120     /* [in] */ BSTR /*propertyName*/,
    121     /* [retval][out] */ BSTR* /*result*/)
    122 {
    123     ASSERT_NOT_REACHED();
    124     return E_NOTIMPL;
    125 }
    126 
    127 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::getPropertyPriority(
    128     /* [in] */ BSTR /*propertyName*/,
    129     /* [retval][out] */ BSTR* /*result*/)
    130 {
    131     ASSERT_NOT_REACHED();
    132     return E_NOTIMPL;
    133 }
    134 
    135 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::setProperty(
    136     /* [in] */ BSTR propertyName,
    137     /* [in] */ BSTR value,
    138     /* [in] */ BSTR priority)
    139 {
    140     WTF::String propertyNameString(propertyName);
    141     WTF::String valueString(value);
    142     WTF::String priorityString(priority);
    143     // FIXME: <rdar://5148045> return DOM exception info
    144     WebCore::ExceptionCode code;
    145     m_style->setProperty(propertyNameString, valueString, priorityString, code);
    146     return S_OK;
    147 }
    148 
    149 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::length(
    150     /* [retval][out] */ UINT* /*result*/)
    151 {
    152     ASSERT_NOT_REACHED();
    153     return E_NOTIMPL;
    154 }
    155 
    156 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::item(
    157     /* [in] */ UINT /*index*/,
    158     /* [retval][out] */ BSTR* /*result*/)
    159 {
    160     ASSERT_NOT_REACHED();
    161     return E_NOTIMPL;
    162 }
    163 
    164 HRESULT STDMETHODCALLTYPE DOMCSSStyleDeclaration::parentRule(
    165     /* [retval][out] */ IDOMCSSRule** /*result*/)
    166 {
    167     ASSERT_NOT_REACHED();
    168     return E_NOTIMPL;
    169 }
    170