C++ Frame::page方法代码示例

static void WebHistoryInflate(JNIEnv* env, jobject obj, jint frame, jbyteArray data)
{
    LOG_ASSERT(frame, "Inflate needs a valid frame pointer!");
    LOG_ASSERT(data, "Inflate needs a valid data pointer!");

    // Get the actual bytes and the length from the java array.
    const jbyte* bytes = env->GetByteArrayElements(data, NULL);
    jsize size = env->GetArrayLength(data);

    // Inflate the history tree into one HistoryItem or null if the inflation
    // failed.
    RefPtr<WebCore::HistoryItem> newItem = WebCore::HistoryItem::create();
    RefPtr<WebHistoryItem> bridge = new WebHistoryItem(env, obj, newItem.get());
    newItem->setBridge(bridge.get());

    // Inflate the item recursively. If it fails, that is ok. We'll have an
    // incomplete HistoryItem but that is better than crashing due to a null
    // item.
    // We have a 2nd local variable since read_item_recursive may change the
    // ptr's value. We can't pass &bytes since we have to send bytes to
    // ReleaseByteArrayElements unchanged.
    const char* ptr = reinterpret_cast<const char*>(bytes);
    read_item_recursive(newItem.get(), &ptr, (int)size);
    env->ReleaseByteArrayElements(data, const_cast<jbyte*>(bytes), JNI_ABORT);
    bridge->setActive();

    // Add the new item to the back/forward list.
    WebCore::Frame* pFrame = (WebCore::Frame*)frame;
    pFrame->page()->backForwardList()->addItem(newItem);

    // Update the item.
    bridge->updateHistoryItem(newItem.get());
}

Page* ChromeClientAndroid::createWindow(Frame* frame, const FrameLoadRequest&,
        const WindowFeatures& features, const NavigationAction&)
{
    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

    const WebCoreViewBridge* bridge = frame->view()->platformWidget();
    bool dialog = features.dialog || !features.resizable
            || (features.heightSet && features.height < bridge->height()
                    && features.widthSet && features.width < bridge->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,
            ScriptController::processingUserGesture());
    if (newFrame) {
        WebCore::Page* page = newFrame->page();
        page->setGroupName(frame->page()->groupName());
        return page;
    }
    return NULL;
}

PassRefPtr<Frame> FrameLoaderClientEfl::createFrame(const URL& url, const String& name, HTMLFrameOwnerElement* ownerElement, const String& referrer, bool /*allowsScrolling*/, int /*marginWidth*/, int /*marginHeight*/)
{
    ASSERT(m_frame);
    ASSERT(m_view);

    Evas_Object* subFrame = ewk_frame_child_add(m_frame, name, ownerElement);
    if (!subFrame)
        return 0;

    WebCore::Frame* coreSubFrame = EWKPrivate::coreFrame(subFrame);
    ASSERT(coreSubFrame);

    // The creation of the frame may have run arbitrary JavaScript that removed it from the page already.
    if (!coreSubFrame->page()) {
        evas_object_del(subFrame);
        return 0;
    }

    evas_object_smart_callback_call(m_view, "frame,created", subFrame);
    EWKPrivate::coreFrame(m_frame)->loader().loadURLIntoChildFrame(url, referrer, coreSubFrame);

    // The frame's onload handler may have removed it from the document.
    // See fast/dom/null-page-show-modal-dialog-crash.html for an example.
    if (!coreSubFrame->tree().parent()) {
        evas_object_del(subFrame);
        return 0;
    }

    ewk_view_frame_rect_changed(m_view);

    return coreSubFrame;
}

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(mainThreadNormalWorld()));
    if (newFrame) {
        WebCore::Page* page = newFrame->page();
        page->setGroupName(frame->page()->groupName());
        return page;
    }
    return NULL;
}

static void WebHistoryRestoreIndex(JNIEnv* env, jobject obj, jint frame, jint index)
{
    LOG_ASSERT(frame, "RestoreState needs a valid Frame pointer!");
    WebCore::Frame* pFrame = (WebCore::Frame*)frame;
    WebCore::Page* page = pFrame->page();
    WebCore::HistoryItem* currentItem =
            page->backForwardList()->entries()[index].get();

    // load the current page with FrameLoadTypeIndexedBackForward so that it
    // will use cache when it is possible
    page->goToItem(currentItem, FrameLoadTypeIndexedBackForward);
}

DebuggerAgentImpl* DebuggerAgentManager::findAgentForCurrentV8Context()
{
    if (!s_attachedAgentsMap)
        return 0;
    ASSERT(!s_attachedAgentsMap->isEmpty());

    WebCore::Frame* frame = WebCore::V8Proxy::retrieveFrameForEnteredContext();
    if (!frame)
        return 0;
    WebCore::Page* page = frame->page();
    for (AttachedAgentsMap::iterator it = s_attachedAgentsMap->begin(); it != s_attachedAgentsMap->end(); ++it) {
        if (it->second->page() == page)
            return it->second;
    }
    return 0;
}

static jint WebHistoryInflate(JNIEnv* env, jobject obj, jint frame, jbyteArray data)
{
    ALOG_ASSERT(frame, "Inflate needs a valid frame pointer!");
    ALOG_ASSERT(data, "Inflate needs a valid data pointer!");

    // Get the actual bytes and the length from the java array.
    const jbyte* bytes = env->GetByteArrayElements(data, NULL);
    jsize size = env->GetArrayLength(data);

    // Inflate the history tree into one HistoryItem or null if the inflation
    // failed.
    RefPtr<WebCore::HistoryItem> newItem = WebCore::HistoryItem::create();
    WebHistoryItem* bridge = new WebHistoryItem(newItem.get());
    newItem->setBridge(bridge);

    // Inflate the item recursively. If it fails, that is ok. We'll have an
    // incomplete HistoryItem but that is better than crashing due to a null
    // item.
    // We have a 2nd local variable since read_item_recursive may change the
    // ptr's value. We can't pass &bytes since we have to send bytes to
    // ReleaseByteArrayElements unchanged.
    const char* ptr = reinterpret_cast<const char*>(bytes);
    readItemRecursive(newItem.get(), &ptr, (int)size);
    env->ReleaseByteArrayElements(data, const_cast<jbyte*>(bytes), JNI_ABORT);
    bridge->setActive();

    // Add the new item to the back/forward list.
    WebCore::Frame* pFrame = (WebCore::Frame*)frame;
    pFrame->page()->backForwardList()->addItem(newItem);

    // Update the item.
    bridge->updateHistoryItem(newItem.get());
    // Ref here because Java expects to adopt the reference, and as such will not
    // call ref on it. However, setBridge has also adopted the reference
    // TODO: This is confusing as hell, clean up ownership and have setBridge
    // take a RefPtr instead of a raw ptr and calling adoptRef on it
    bridge->ref();
    return reinterpret_cast<jint>(bridge);
}

/*static void webkit_web_view_settings_notify(WebKitWebView* webView, GParamSpec* pspec, gpointer userdata)
{
    printf("##########%s:%d (%s)\n", __FILE__, __LINE__, WTF_PRETTY_FUNCTION );
    const gchar* name = g_intern_string(pspec->name);
    printf("name = %s\n", name);
}*/
static GtkWidget* currentToplevelCallback(WebKitSoupAuthDialog* feature, SoupMessage* message, gpointer userData)
{
    gpointer messageData = g_object_get_data(G_OBJECT(message), "resourceHandle");
    if (!messageData)
        return NULL;

    ResourceHandle* handle = static_cast<ResourceHandle*>(messageData);
    if (!handle)
        return NULL;

    ResourceHandleInternal* d = handle->getInternal();
    if (!d)
        return NULL;

    WebCore::Frame* frame = d->m_frame;
    if (!frame)
        return NULL;

    GtkWidget* toplevel =  gtk_widget_get_toplevel(GTK_WIDGET(frame->page()->chrome()->platformPageClient()));
    if (GTK_WIDGET_TOPLEVEL(toplevel))
        return toplevel;
    else
        return NULL;
}

void DumpRenderTreeSupportQt::scalePageBy(QWebFrameAdapter* adapter, float scalefactor, const QPoint& origin)
{
    WebCore::Frame* coreFrame = adapter->frame;
    if (Page* page = coreFrame->page())
        page->setPageScaleFactor(scalefactor, origin);
}

static void WebHistoryClose(JNIEnv* env, jobject obj, jint frame)
{
    LOG_ASSERT(frame, "Close needs a valid Frame pointer!");
    WebCore::Frame* pFrame = (WebCore::Frame*)frame;

    WebCore::BackForwardList* list = pFrame->page()->backForwardList();
    RefPtr<WebCore::HistoryItem> current = list->currentItem();
    // Remove each item instead of using close(). close() is intended to be used
    // right before the list is deleted.
    WebCore::HistoryItemVector& entries = list->entries();
    int size = entries.size();
    for (int i = size - 1; i >= 0; --i)
        list->removeItem(entries[i].get());
    // Add the current item back to the list.
    if (current) {
        current->setBridge(0);
        // addItem will update the children to match the newly created bridge
        list->addItem(current);

        /*
         * The Grand Prix site uses anchor navigations to change the display.
         * WebKit tries to be smart and not load child frames that have the
         * same history urls during an anchor navigation. This means that the
         * current history item stored in the child frame's loader does not
         * match the item found in the history tree. If we remove all the
         * entries in the back/foward list, we have to restore the entire tree
         * or else a HistoryItem might have a deleted parent.
         *
         * In order to restore the history tree correctly, we have to look up
         * all the frames first and then look up the history item. We do this
         * because the history item in the tree may be null at this point.
         * Unfortunately, a HistoryItem can only search its immediately
         * children so we do a breadth-first rebuild of the tree.
         */

        // Keep a small list of child frames to traverse.
        WTF::Vector<WebCore::Frame*> frameQueue;
        // Fix the top-level item.
        pFrame->loader()->history()->setCurrentItem(current.get());
        WebCore::Frame* child = pFrame->tree()->firstChild();
        // Remember the parent history item so we can search for a child item.
        RefPtr<WebCore::HistoryItem> parent = current;
        while (child) {
            // Use the old history item since the current one may have a
            // deleted parent.
            WebCore::HistoryItem* item = parent->childItemWithTarget(child->tree()->name());
            child->loader()->history()->setCurrentItem(item);
            // Append the first child to the queue if it exists. If there is no
            // item, then we do not need to traverse the children since there
            // will be no parent history item.
            WebCore::Frame* firstChild;
            if (item && (firstChild = child->tree()->firstChild()))
                frameQueue.append(firstChild);
            child = child->tree()->nextSibling();
            // If we don't have a sibling for this frame and the queue isn't
            // empty, use the next entry in the queue.
            if (!child && !frameQueue.isEmpty()) {
                child = frameQueue.at(0);
                frameQueue.remove(0);
                // Figure out the parent history item used when searching for
                // the history item to use.
                parent = child->tree()->parent()->loader()->history()->currentItem();
            }
        }
    }
}

void DumpRenderTreeSupportQt::scalePageBy(QWebFrame* frame, float scalefactor, const QPoint& origin)
{
    WebCore::Frame* coreFrame = QWebFramePrivate::core(frame);
    if (Page* page = coreFrame->page())
        page->setPageScaleFactor(scalefactor, origin);
}

//.........这里部分代码省略.........
            str = (jstring)env->GetObjectField(obj, gFieldIds->mDatabasePath);
            if (str) {
                String path = jstringToWtfString(env, str);
                DatabaseTracker::tracker().setDatabaseDirectoryPath(path);
                // This database is created when the first HTML5 Database object is
                // instantiated. If the file doesn't exist, we create it and set its
                // permissions. The filename must match that in
                // DatabaseTracker.cpp.
                String filename = SQLiteFileSystem::appendDatabaseFileNameToPath(path, "Databases.db");
                int fd = open(filename.utf8().data(), O_CREAT | O_EXCL, permissionFlags660);
                if (fd >= 0)
                    close(fd);
            }
        }
#endif
#if ENABLE(DOM_STORAGE)
        flag = env->GetBooleanField(obj, gFieldIds->mDomStorageEnabled);
        s->setLocalStorageEnabled(flag);
        str = (jstring)env->GetObjectField(obj, gFieldIds->mDatabasePath);
        if (str) {
            WTF::String localStorageDatabasePath = jstringToWtfString(env,str);
            if (localStorageDatabasePath.length()) {
                localStorageDatabasePath = WebCore::pathByAppendingComponent(
                        localStorageDatabasePath, "localstorage");
                // We need 770 for folders
                mkdir(localStorageDatabasePath.utf8().data(),
                        permissionFlags660 | S_IXUSR | S_IXGRP);
                s->setLocalStorageDatabasePath(localStorageDatabasePath);
            }
        }
#endif

        flag = env->GetBooleanField(obj, gFieldIds->mGeolocationEnabled);
        GeolocationPermissions::setAlwaysDeny(!flag);
        str = (jstring)env->GetObjectField(obj, gFieldIds->mGeolocationDatabasePath);
        if (str) {
            String path = jstringToWtfString(env, str);
            GeolocationPermissions::setDatabasePath(path);
            GeolocationPositionCache::instance()->setDatabasePath(path);
            // This database is created when the first Geolocation object is
            // instantiated. If the file doesn't exist, we create it and set its
            // permissions. The filename must match that in
            // GeolocationPositionCache.cpp.
            String filename = SQLiteFileSystem::appendDatabaseFileNameToPath(path, "CachedGeoposition.db");
            int fd = open(filename.utf8().data(), O_CREAT | O_EXCL, permissionFlags660);
            if (fd >= 0)
                close(fd);
        }

        flag = env->GetBooleanField(obj, gFieldIds->mXSSAuditorEnabled);
        s->setXSSAuditorEnabled(flag);

#if ENABLE(LINK_PREFETCH)
        flag = env->GetBooleanField(obj, gFieldIds->mLinkPrefetchEnabled);
        s->setLinkPrefetchEnabled(flag);
#endif

        size = env->GetIntField(obj, gFieldIds->mPageCacheCapacity);
        if (size > 0) {
            s->setUsesPageCache(true);
            WebCore::pageCache()->setCapacity(size);
        } else
            s->setUsesPageCache(false);

#if ENABLE(WEB_AUTOFILL)
        flag = env->GetBooleanField(obj, gFieldIds->mAutoFillEnabled);
        // TODO: This updates the Settings WebCore side with the user's
        // preference for autofill and will stop WebCore making requests
        // into the chromium autofill code. That code in Chromium also has
        // a notion of being enabled/disabled that gets read from the users
        // preferences. At the moment, it's hardcoded to true on Android
        // (see chrome/browser/autofill/autofill_manager.cc:405). This
        // setting should probably be synced into Chromium also.

        s->setAutoFillEnabled(flag);

        if (flag) {
            EditorClientAndroid* editorC = static_cast<EditorClientAndroid*>(pFrame->page()->editorClient());
            WebAutofill* webAutofill = editorC->getAutofill();
            // Set the active AutofillProfile data.
            jobject autoFillProfile = env->GetObjectField(obj, gFieldIds->mAutoFillProfile);
            if (autoFillProfile)
                syncAutoFillProfile(env, autoFillProfile, webAutofill);
            else {
                // The autofill profile is null. We need to tell Chromium about this because
                // this may be because the user just deleted their profile but left the
                // autofill feature setting enabled.
                webAutofill->clearProfiles();
            }
        }
#endif

        // This is required to enable the XMLTreeViewer when loading an XML document that
        // has no style attached to it. http://trac.webkit.org/changeset/79799
        s->setDeveloperExtrasEnabled(true);
        s->setSpatialNavigationEnabled(true);
        bool echoPassword = env->GetBooleanField(obj,
                gFieldIds->mPasswordEchoEnabled);
        s->setPasswordEchoEnabled(echoPassword);
    }