C++ PassRefPtr::get方法代码示例

Page* ChromeClientAndroid::createWindow(Frame* frame, const FrameLoadRequest&,
        const WindowFeatures& features)
{
    ASSERT(frame);
#ifdef ANDROID_MULTIPLE_WINDOWS
    if (frame->settings() && !(frame->settings()->supportMultipleWindows()))
        // If the client doesn't support multiple windows, just return the current page
        return frame->page();
#endif

    WTF::PassRefPtr<WebCore::Screen> screen = WebCore::Screen::create(frame);
    bool dialog = features.dialog || !features.resizable
            || (features.heightSet && features.height < screen.get()->height()
                    && features.widthSet && features.width < screen.get()->width())
            || (!features.menuBarVisible && !features.statusBarVisible
                    && !features.toolBarVisible && !features.locationBarVisible
                    && !features.scrollbarsVisible);
    // fullscreen definitely means no dialog
    if (features.fullscreen)
        dialog = false;
    WebCore::Frame* newFrame = m_webFrame->createWindow(dialog,
            frame->script()->processingUserGesture());
    if (newFrame) {
        WebCore::Page* page = newFrame->page();
        page->setGroupName(frame->page()->groupName());
        return page;
    }
    return NULL;
}

void SamplerApollo::unregisterNode(WTF::PassRefPtr<BaseSamplerNode> node)
{
    ASSERT(node.get());
    
    // invalidate the cached node if it is going to be deleted    
    if (m_cachedSearchNode.get() == node.get())
        m_cachedSearchNode.clear();
    
    m_liveNodes.remove(node->ptr());
    m_liveNodesByIdentifier.remove(node->identifier());
    
#if !ENABLE(JIT)
    // the references from RefPtr
    ASSERT(node->hasOneRef());
#endif
    
    // when sampling is stopped don't bother to keep the dead object.
    if (samplerWillDeallocate(node.get())) {
        WTF::PassRefPtr<DeadSamplerNode> deadNode = DeadSamplerNode::createWithDataFrom(node.get());
        ASSERT(deadNode->hasOneRef());			
        m_deadNodesByIdentifier.add(node->identifier(), deadNode.get());
    }

#if ENABLE(JIT)
	node->clearPtr();
#endif
}

void SamplerApollo::registerJSCell(JSGlobalObject* globalObject, JSCell* cell, size_t size)
{
    WTF::PassRefPtr<SamplerJSCellNode> constructorNode = m_constructorNode.release();
    
    if (UNLIKELY(!samplingNow))
        return;
    
    uint64_t globalObjectIdentifier = 0;
        
    if (globalObject) {
        BaseSamplerNode* globalObjectSample = getSamplerNodeFor(globalObject);
        if (globalObjectSample)
            globalObjectIdentifier = globalObjectSample->identifier();
    }
    
    PassRefPtr<SamplerJSCellNode> samplerNodeRef = adoptRef(new SamplerJSCellNode(globalObjectIdentifier, cell, size));
    SamplerJSCellNode *samplerNode = samplerNodeRef.get(); 
    
	if (registerNode(samplerNodeRef)) {
        // cannot check the type because we are called directly from operator new
        if (constructorNode.get() /* && cell->isObject() */) {
			
			JSCell * const cell = constructorNode->impl(); 
			// we don't want to make standard objects to show like Functions
			// Internal construct for String,Boolean,... inherits directly InternalFunctions
			if (! (cell && cell->getObject() && cell->getObject()->inherits(&InternalFunction::info) && !cell->getObject()->inherits(&JSFunction::info)) ) {
                // try to set the name from the function
                samplerNode->setObjectType(constructorNode->name());
			}
        }
    }
}

bool SamplerApollo::registerNode(WTF::PassRefPtr<BaseSamplerNode> node)
{
    if (UNLIKELY(!samplingNow))
        return false; 

    // check if the object was allocated earlier or if maybe the old object
    // didn't trigger deallocation
    ASSERT(getSamplerNodeFor(node->ptr()) == 0);
    const uint64_t identifier = samplerDidAllocate(node.get());
    if (identifier) {
        node->setIdentifier(identifier);
        m_liveNodes.add(node->ptr(), node.get());
        m_liveNodesByIdentifier.add(node->identifier(), node.get());
        
        // the references from liveNodes maps + pass ref ptr
        ASSERT(node->refCount() == 3);
        return true;
    }
    return false;
}

JSValue JSClipboard::getData(ExecState* exec, const ArgList& args)
{
    // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
    if (args.size() != 1)
        return throwError(exec, SyntaxError, "getData: Invalid number of arguments");

    Clipboard* const clipboard = impl();

    bool success;
    String const mimeType = ustringToString(args.at(0).toString(exec));
    if (mimeType == ClipboardApolloHelper::BITMAP_TYPE) {
        WTF::PassRefPtr<Node> result = clipboard->getDataNode(mimeType, success);
        return success ? toJS(exec, result.get()) : jsUndefined();
    } else {
        JSValue const result = clipboard->getDataValue(mimeType, success);
        return success ? result : jsUndefined();
    }
}

//.........这里部分代码省略.........
    if (l) {
        LOGV("Form data       %d %.*s", l, l, data);
        if (data + l < end)
            formData = WebCore::FormData::create(data, l);
        else
            return false;
        data += l;
        // Read the identifier
        {
            int64_t id;
            int size = (int)sizeof(int64_t);
            memcpy(&id, data, size);
            data += size;
            if (id)
                formData->setIdentifier(id);
        }
    }
    if (end - data < sizeofUnsigned)
        return false;

    // Set up the form info
    if (formData != NULL) {
        WebCore::ResourceRequest r;
        r.setHTTPMethod("POST");
        r.setHTTPContentType(formContentType);
        r.setHTTPBody(formData);
        newItem->setFormInfoFromRequest(r);
    }

    // Read the target
    memcpy(&l, data, sizeofUnsigned);
    data += sizeofUnsigned;
    if (l) {
        LOGV("Target          %d %.*s", l, l, data);
        if (data + l < end)
            newItem->setTarget(e.decode(data, l));
        else
            return false;
        data += l;
    }
    if (end - data < sizeofUnsigned)
        return false;

    AndroidWebHistoryBridge* bridge = newItem->bridge();
    LOG_ASSERT(bridge, "There should be a bridge object during inflate");
    // Read the screen scale
    memcpy(&l, data, sizeofUnsigned);
    LOGV("Screen scale    %d", l);
    bridge->setScale(l);
    data += sizeofUnsigned;
    memcpy(&l, data, sizeofUnsigned);
    LOGV("Screen width scale    %d", l);
    bridge->setScreenWidthScale(l);
    data += sizeofUnsigned;

    if (end - data < sizeofUnsigned)
        return false;

    // Read the document state
    memcpy(&l, data, sizeofUnsigned);
    LOGV("Document state  %d", l);
    data += sizeofUnsigned;
    if (l) {
        // Check if we have enough data to at least parse the sizes of each
        // document state string.
        if (data + l * sizeofUnsigned >= end)

void CanvasDrawListener::sendNewFrame(const WTF::PassRefPtr<SkImage>& image)
{
    m_handler->sendNewFrame(image.get());
}