webpreferences.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

void WebPreferences::copyWebKitPreferencesToCFPreferences(CFDictionaryRef dict)
{
    ASSERT_ARG(dict, dict);

    int count = CFDictionaryGetCount(dict);
    if (count <= 0)
        return;

    CFStringRef didRemoveDefaultsKey = CFSTR(WebKitDidMigrateDefaultSettingsFromSafari3BetaPreferenceKey);
    bool omitDefaults = !booleanValueForPreferencesValue(CFDictionaryGetValue(dict, didRemoveDefaultsKey));

    OwnArrayPtr<CFTypeRef> keys(new CFTypeRef[count]);
    OwnArrayPtr<CFTypeRef> values(new CFTypeRef[count]);
    CFDictionaryGetKeysAndValues(dict, keys.get(), values.get());

    for (int i = 0; i < count; ++i) {
        if (!keys[i] || !values[i] || CFGetTypeID(keys[i]) != CFStringGetTypeID())
            continue;

        if (omitDefaults) {
            CFTypeRef defaultValue = CFDictionaryGetValue(defaultSettings, keys[i]);
            if (defaultValue && CFEqual(defaultValue, values[i]))
                continue;
        }

        setValueForKey(static_cast<CFStringRef>(keys[i]), values[i]);
    }
}

// IUnknown -------------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebPreferences::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IUnknown))
        *ppvObject = static_cast<IWebPreferences*>(this);
    else if (IsEqualGUID(riid, IID_IWebPreferences))
        *ppvObject = static_cast<IWebPreferences*>(this);
    else if (IsEqualGUID(riid, IID_IWebPreferencesPrivate))
        *ppvObject = static_cast<IWebPreferencesPrivate*>(this);
    else if (IsEqualGUID(riid, CLSID_WebPreferences))
        *ppvObject = this;
    else
        return E_NOINTERFACE;

    AddRef();
    return S_OK;
}

ULONG STDMETHODCALLTYPE WebPreferences::AddRef(void)
{
    return ++m_refCount;
}

ULONG STDMETHODCALLTYPE WebPreferences::Release(void)
{
    ULONG newRef = --m_refCount;
    if (!newRef)
        delete(this);

    return newRef;
}

// IWebPreferences ------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebPreferences::standardPreferences( 
    /* [retval][out] */ IWebPreferences** standardPreferences)
{
    if (!standardPreferences)
        return E_POINTER;
    *standardPreferences = sharedStandardPreferences();
    (*standardPreferences)->AddRef();
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::initWithIdentifier( 
        /* [in] */ BSTR anIdentifier,
        /* [retval][out] */ IWebPreferences** preferences)
{
    WebPreferences *instance = getInstanceForIdentifier(anIdentifier);
    if (instance) {
        *preferences = instance;
        instance->AddRef();
        return S_OK;
    }

    load();

    *preferences = this;
    AddRef();

    if (anIdentifier) {
        m_identifier = anIdentifier;
        setInstance(this, m_identifier);
    }

    this->postPreferencesChangesNotification();

    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::identifier( 
    /* [retval][out] */ BSTR* ident)
{
    if (!ident)
        return E_POINTER;
    *ident = m_identifier ? SysAllocString(m_identifier) : 0;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::standardFontFamily( 
    /* [retval][out] */ BSTR* family)
{
    *family = stringValueForKey(CFSTR(WebKitStandardFontPreferenceKey));
    return (*family) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setStandardFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitStandardFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::fixedFontFamily( 
    /* [retval][out] */ BSTR* family)
{
    *family = stringValueForKey(CFSTR(WebKitFixedFontPreferenceKey));
    return (*family) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setFixedFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitFixedFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::serifFontFamily( 
    /* [retval][out] */ BSTR* fontFamily)
{
    *fontFamily = stringValueForKey(CFSTR(WebKitSerifFontPreferenceKey));
    return (*fontFamily) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setSerifFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitSerifFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::sansSerifFontFamily( 
    /* [retval][out] */ BSTR* family)
{
    *family = stringValueForKey(CFSTR(WebKitSansSerifFontPreferenceKey));
    return (*family) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setSansSerifFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitSansSerifFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::cursiveFontFamily( 
    /* [retval][out] */ BSTR* family)
{
    *family = stringValueForKey(CFSTR(WebKitCursiveFontPreferenceKey));
    return (*family) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setCursiveFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitCursiveFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::fantasyFontFamily( 
    /* [retval][out] */ BSTR* family)
{
    *family = stringValueForKey(CFSTR(WebKitFantasyFontPreferenceKey));
    return (*family) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setFantasyFontFamily( 
    /* [in] */ BSTR family)
{
    setStringValue(CFSTR(WebKitFantasyFontPreferenceKey), family);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::defaultFontSize( 
    /* [retval][out] */ int* fontSize)
{
    *fontSize = integerValueForKey(CFSTR(WebKitDefaultFontSizePreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setDefaultFontSize( 
    /* [in] */ int fontSize)
{
    setIntegerValue(CFSTR(WebKitDefaultFontSizePreferenceKey), fontSize);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::defaultFixedFontSize( 
    /* [retval][out] */ int* fontSize)
{
    *fontSize = integerValueForKey(CFSTR(WebKitDefaultFixedFontSizePreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setDefaultFixedFontSize( 
    /* [in] */ int fontSize)
{
    setIntegerValue(CFSTR(WebKitDefaultFixedFontSizePreferenceKey), fontSize);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::minimumFontSize( 
    /* [retval][out] */ int* fontSize)
{
    *fontSize = integerValueForKey(CFSTR(WebKitMinimumFontSizePreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setMinimumFontSize( 
    /* [in] */ int fontSize)
{
    setIntegerValue(CFSTR(WebKitMinimumFontSizePreferenceKey), fontSize);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::minimumLogicalFontSize( 
    /* [retval][out] */ int* fontSize)
{
    *fontSize = integerValueForKey(CFSTR(WebKitMinimumLogicalFontSizePreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setMinimumLogicalFontSize( 
    /* [in] */ int fontSize)
{
    setIntegerValue(CFSTR(WebKitMinimumLogicalFontSizePreferenceKey), fontSize);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::defaultTextEncodingName( 
    /* [retval][out] */ BSTR* name)
{
    *name = stringValueForKey(CFSTR(WebKitDefaultTextEncodingNamePreferenceKey));
    return (*name) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setDefaultTextEncodingName( 
    /* [in] */ BSTR name)
{
    setStringValue(CFSTR(WebKitDefaultTextEncodingNamePreferenceKey), name);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::userStyleSheetEnabled( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitUserStyleSheetEnabledPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setUserStyleSheetEnabled( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitUserStyleSheetEnabledPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::userStyleSheetLocation( 
    /* [retval][out] */ BSTR* location)
{
    *location = stringValueForKey(CFSTR(WebKitUserStyleSheetLocationPreferenceKey));
    return (*location) ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setUserStyleSheetLocation( 
    /* [in] */ BSTR location)
{
    setStringValue(CFSTR(WebKitUserStyleSheetLocationPreferenceKey), location);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::isJavaEnabled( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitJavaEnabledPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setJavaEnabled( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitJavaEnabledPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::isJavaScriptEnabled( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitJavaScriptEnabledPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setJavaScriptEnabled( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitJavaScriptEnabledPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::isWebSecurityEnabled( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitWebSecurityEnabledPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setWebSecurityEnabled( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitWebSecurityEnabledPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::allowUniversalAccessFromFileURLs(
    /* [retval][out] */ BOOL* allowAccess)
{
    *allowAccess = boolValueForKey(CFSTR(WebKitAllowUniversalAccessFromFileURLsPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setAllowUniversalAccessFromFileURLs(
    /* [in] */ BOOL allowAccess)
{
    setBoolValue(CFSTR(WebKitAllowUniversalAccessFromFileURLsPreferenceKey), allowAccess);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::javaScriptCanOpenWindowsAutomatically( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitJavaScriptCanOpenWindowsAutomaticallyPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setJavaScriptCanOpenWindowsAutomatically( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitJavaScriptCanOpenWindowsAutomaticallyPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::arePlugInsEnabled( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitPluginsEnabledPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setPlugInsEnabled( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitPluginsEnabledPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::allowsAnimatedImages( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitAllowAnimatedImagesPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setAllowsAnimatedImages( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitAllowAnimatedImagesPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::allowAnimatedImageLooping( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitAllowAnimatedImageLoopingPreferenceKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setAllowAnimatedImageLooping( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitAllowAnimatedImageLoopingPreferenceKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setLoadsImagesAutomatically( 
    /* [in] */ BOOL enabled)
{
    setBoolValue(CFSTR(WebKitDisplayImagesKey), enabled);
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::loadsImagesAutomatically( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = boolValueForKey(CFSTR(WebKitDisplayImagesKey));
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setAutosaves( 
    /* [in] */ BOOL enabled)
{
    m_autoSaves = !!enabled;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::autosaves( 
    /* [retval][out] */ BOOL* enabled)
{
    *enabled = m_autoSaves ? TRUE : FALSE;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE WebPreferences::setShouldPrintBackgrounds(