C++ WKRetainPtr类代码示例

    static void startUpdatingCallback(WKGeolocationManagerRef manager, const void* clientInfo)
    {
        GeolocationStateTracker* stateTracker = static_cast<GeolocationStateTracker*>(const_cast<void*>(clientInfo));
        stateTracker->events.push_back(GeolocationEvent::StartUpdating);
        stateTracker->eventsChanged();

        WKRetainPtr<WKGeolocationPositionRef> position = adoptWK(WKGeolocationPositionCreate(0, 50.644358, 3.345453, 2.53));
        WKGeolocationManagerProviderDidChangePosition(manager, position.get());
    }

void LayoutTestController::addUserScript(JSStringRef source, bool runAtStart, bool allFrames)
{
    WKRetainPtr<WKStringRef> sourceWK = toWK(source);
    WKRetainPtr<WKBundleScriptWorldRef> scriptWorld(AdoptWK, WKBundleScriptWorldCreateWorld());

    WKBundleAddUserScript(InjectedBundle::shared().bundle(), scriptWorld.get(), sourceWK.get(), 0, 0, 0,
        (runAtStart ? kWKInjectAtDocumentStart : kWKInjectAtDocumentEnd),
        (allFrames ? kWKInjectInAllFrames : kWKInjectInTopFrameOnly));
}

void TestRunner::setUserStyleSheetEnabled(bool enabled)
{
    m_userStyleSheetEnabled = enabled;

    WKRetainPtr<WKStringRef> emptyUrl = adoptWK(WKStringCreateWithUTF8CString(""));
    WKStringRef location = enabled ? m_userStyleSheetLocation.get() : emptyUrl.get();
    auto& injectedBundle = InjectedBundle::singleton();
    WKBundleSetUserStyleSheetLocation(injectedBundle.bundle(), injectedBundle.pageGroup(), location);
}

 static WKURLRequestRef willSendRequestForFrame(WKBundlePageRef, WKBundleFrameRef frame, uint64_t resourceIdentifier, WKURLRequestRef request, WKURLResponseRef redirectResponse, const void *clientInfo)
 {
     // Allow the loading of the main resource, but don't allow the loading of an iframe, return null from willSendRequest.
     if (WKBundleFrameIsMainFrame(frame)) {
         WKRetainPtr<WKURLRequestRef> newRequest = request;
         return newRequest.leakRef();
     }
     
     return 0;
 }

TEST_F(WebKit2UserMessageRoundTripTest, WKString)
{
    WKRetainPtr<WKStringRef> string = adoptWK(WKStringCreateWithUTF8CString("An important string"));
    
    roundTrip(string.get());
    WKTypeRef roundTrippedTypeRef = recievedBody.get();

    WKRetainPtr<WKStringRef> roundTrippedString = static_cast<WKStringRef>(roundTrippedTypeRef);
    EXPECT_TRUE(WKStringIsEqual(roundTrippedString.get(), string.get()));
}

static void didAssociateFormControls(WKBundlePageRef page, WKArrayRef elementHandles, const void*)
{
    WKRetainPtr<WKMutableDictionaryRef> messageBody = adoptWK(WKMutableDictionaryCreate());

    WKDictionarySetItem(messageBody.get(), Util::toWK("Page").get(), page);
    WKRetainPtr<WKUInt64Ref> numberOfElements = adoptWK(WKUInt64Create(WKArrayGetSize(elementHandles)));
    WKDictionarySetItem(messageBody.get(), Util::toWK("NumberOfControls").get(), numberOfElements.get());

    WKBundlePostMessage(InjectedBundleController::singleton().bundle(), Util::toWK("DidReceiveDidAssociateFormControls").get(), messageBody.get());
}

Ref<EwkContext> EwkContext::create(const String& extensionsPath)
{
    String bundlePath = bundlePathForExtension();
    if (bundlePath.isEmpty())
        return adoptRef(*new EwkContext(adoptWK(WKContextCreate()).get()));

    WKRetainPtr<WKStringRef> path = adoptWK(toCopiedAPI(bundlePath));

    return adoptRef(*new EwkContext(adoptWK(WKContextCreateWithInjectedBundlePath(path.get())).get(), extensionsPath));
}

/**
 * @internal
 * The url of view was changed by the frame loader.
 *
 * Emits signal: "url,changed" with pointer to new url string.
 */
void EwkView::informURLChange()
{
    WKRetainPtr<WKURLRef> wkActiveURL = adoptWK(WKPageCopyActiveURL(wkPage()));
    WKRetainPtr<WKStringRef> wkURLString = wkActiveURL ? adoptWK(WKURLCopyString(wkActiveURL.get())) : adoptWK(WKStringCreateWithUTF8CString(""));

    if (WKStringIsEqualToUTF8CString(wkURLString.get(), m_url))
        return;

    m_url = WKEinaSharedString(wkURLString.get());
    smartCallback<URLChanged>().call(m_url);
}

PlatformWebView::PlatformWebView(WKContextRef contextRef, WKPageGroupRef pageGroupRef)
{
    m_window = initEcoreEvas();

    m_view = EWKViewCreate(contextRef, pageGroupRef, ecore_evas_get(m_window), /* smart */ 0);

    WKRetainPtr<WKStringRef> wkTheme = adoptWK(WKStringCreateWithUTF8CString(TEST_THEME_DIR "/default.edj"));
    WKViewSetThemePath(EWKViewGetWKView(m_view), wkTheme.get());

    evas_object_smart_callback_add(m_view, "webprocess,crashed", onWebProcessCrashed, 0);
    resizeTo(600, 800);
}

static bool filterFirstItemCallback(WKPageRef page, WKStringRef valueType, WKTypeRef value, void* context)
{
    if (!WKStringIsEqual(valueType, WKPageGetSessionBackForwardListItemValueType()))
        return true;

    ASSERT(WKGetTypeID(value) == WKBackForwardListItemGetTypeID());
    WKBackForwardListItemRef backForwardListItem = static_cast<WKBackForwardListItemRef>(value);

    WKRetainPtr<WKURLRef> url = adoptWK(WKBackForwardListItemCopyURL(backForwardListItem));
    WKRetainPtr<WKStringRef> path = adoptWK(WKURLCopyLastPathComponent(url.get()));

    return !WKStringIsEqualToUTF8CString(path.get(), "simple.html");
}

Evas_Object* EWKViewCreate(WKContextRef context, WKPageGroupRef pageGroup, Evas* canvas, Evas_Smart* smart)
{
    if (!EwkMain::singleton().isInitialized()) {
        EINA_LOG_CRIT("EWebKit has not been initialized. You must call ewk_init() before creating view.");
        return nullptr;
    }

    WKRetainPtr<WKViewRef> wkView = adoptWK(WKViewCreate(context, pageGroup));
    if (EwkView* ewkView = EwkView::create(wkView.get(), canvas, smart))
        return ewkView->evasObject();

    return nullptr;
}

void QtWebPageUIClient::runOpenPanel(WKPageRef, WKFrameRef, WKOpenPanelParametersRef parameters, WKOpenPanelResultListenerRef listener, const void* clientInfo)
{
    WKRetainPtr<WKArrayRef> wkSelectedFileNames = adoptWK(WKOpenPanelParametersCopySelectedFileNames(parameters));
    QStringList selectedFileNames;
    size_t selectedFilesSize = WKArrayGetSize(wkSelectedFileNames.get());
    selectedFileNames.reserve(selectedFilesSize);

    for (size_t i = 0; i < selectedFilesSize; ++i)
        selectedFileNames += WKStringCopyQString(static_cast<WKStringRef>(WKArrayGetItemAtIndex(wkSelectedFileNames.get(), i)));

    FileChooserType allowMultipleFiles = WKOpenPanelParametersGetAllowsMultipleFiles(parameters) ? MultipleFilesSelection : SingleFileSelection;
    toQtWebPageUIClient(clientInfo)->runOpenPanel(listener, selectedFileNames, allowMultipleFiles);
}

void EventSendingController::mouseDown(int button, JSValueRef modifierArray) 
{
    WKBundlePageRef page = InjectedBundle::shared().page()->page();
    WKBundleFrameRef frame = WKBundlePageGetMainFrame(page);
    JSContextRef context = WKBundleFrameGetJavaScriptContext(frame);
    WKEventModifiers modifiers = parseModifierArray(context, modifierArray);

#ifdef USE_WEBPROCESS_EVENT_SIMULATION
    updateClickCount(button);
    WKBundlePageSimulateMouseDown(page, button, m_position, m_clickCount, modifiers, m_time);
#else
    WKRetainPtr<WKStringRef> EventSenderMessageName(AdoptWK, WKStringCreateWithUTF8CString("EventSender"));
    WKRetainPtr<WKMutableDictionaryRef> EventSenderMessageBody(AdoptWK, WKMutableDictionaryCreate());

    WKRetainPtr<WKStringRef> subMessageKey(AdoptWK, WKStringCreateWithUTF8CString("SubMessage"));
    WKRetainPtr<WKStringRef> subMessageName(AdoptWK, WKStringCreateWithUTF8CString("MouseDown"));
    WKDictionaryAddItem(EventSenderMessageBody.get(), subMessageKey.get(), subMessageName.get());

    WKRetainPtr<WKStringRef> buttonKey = adoptWK(WKStringCreateWithUTF8CString("Button"));
    WKRetainPtr<WKUInt64Ref> buttonRef = adoptWK(WKUInt64Create(button));
    WKDictionaryAddItem(EventSenderMessageBody.get(), buttonKey.get(), buttonRef.get());

    WKRetainPtr<WKStringRef> modifiersKey = adoptWK(WKStringCreateWithUTF8CString("Modifiers"));
    WKRetainPtr<WKUInt64Ref> modifiersRef = adoptWK(WKUInt64Create(modifiers));
    WKDictionaryAddItem(EventSenderMessageBody.get(), modifiersKey.get(), modifiersRef.get());

    WKBundlePostSynchronousMessage(InjectedBundle::shared().bundle(), EventSenderMessageName.get(), EventSenderMessageBody.get(), 0);
#endif
}

WebPageProxy* WebInspectorProxy::platformCreateInspectorPage()
{
    ASSERT(m_inspectedPage);

#ifdef HAVE_ECORE_X
    const char* engine = "opengl_x11";
    m_inspectorWindow = ecore_evas_new(engine, 0, 0, initialWindowWidth, initialWindowHeight, 0);

    // Gracefully fall back to software if evas_gl engine is not available.
    if (!m_inspectorWindow)
#endif
    m_inspectorWindow = ecore_evas_new(0, 0, 0, initialWindowWidth, initialWindowHeight, 0);
    if (!m_inspectorWindow)
        return 0;

    WKContextRef wkContext = toAPI(&inspectorProcessPool());
    WKRetainPtr<WKStringRef> wkGroupIdentifier = adoptWK(WKStringCreateWithUTF8CString(inspectorPageGroupIdentifier().utf8().data()));
    WKPageGroupRef wkPageGroup = WKPageGroupCreateWithIdentifier(wkGroupIdentifier.get());

    WKRetainPtr<WKPageConfigurationRef> wkPageConfiguration = adoptWK(WKPageConfigurationCreate());
    WKPageConfigurationSetContext(wkPageConfiguration.get(), wkContext);
    WKPageConfigurationSetPageGroup(wkPageConfiguration.get(), wkPageGroup);

    m_inspectorView = EWKViewCreate(wkContext, wkPageConfiguration.get(), ecore_evas_get(m_inspectorWindow), /* smart */ 0);
    WKViewRef wkView = EWKViewGetWKView(m_inspectorView);

    WKRetainPtr<WKStringRef> wkTheme = adoptWK(WKStringCreateWithUTF8CString(DEFAULT_THEME_DIR "/default.edj"));
    WKViewSetThemePath(wkView, wkTheme.get());

    WKPreferencesRef wkPreferences = WKPageGroupGetPreferences(wkPageGroup);
    WKPreferencesSetFileAccessFromFileURLsAllowed(wkPreferences, true);
    WKPreferencesSetJavaScriptRuntimeFlags(wkPreferences, 0);

    return toImpl(WKViewGetPage(wkView));
}

    static void willLoadDataRequest(WKBundlePageRef page, WKURLRequestRef request, WKDataRef data, WKStringRef MIMEType, WKStringRef encodingName, WKURLRef unreachableURL, WKTypeRef userData, const void *clientInfo)
    {
        WKRetainPtr<WKMutableDictionaryRef> messageBody = adoptWK(WKMutableDictionaryCreate());

        WKDictionarySetItem(messageBody.get(), Util::toWK("URLRequestReturn").get(), request);
        WKDictionarySetItem(messageBody.get(), Util::toWK("DataReturn").get(), data);
        WKDictionarySetItem(messageBody.get(), Util::toWK("MIMETypeReturn").get(), MIMEType);
        WKDictionarySetItem(messageBody.get(), Util::toWK("EncodingNameReturn").get(), encodingName);
        WKDictionarySetItem(messageBody.get(), Util::toWK("UnreachableURLReturn").get(), unreachableURL);
        WKDictionarySetItem(messageBody.get(), Util::toWK("UserDataReturn").get(), userData);

        WKBundlePostMessage(InjectedBundleController::singleton().bundle(), Util::toWK("WillLoadDataRequestReturn").get(), messageBody.get());

    }