C++ Settings::setPluginsOnDemand方法代码示例

    static void Sync(JNIEnv* env, jobject obj, jint frame)
    {
        WebCore::Frame* pFrame = (WebCore::Frame*)frame;
        LOG_ASSERT(pFrame, "%s must take a valid frame pointer!", __FUNCTION__);
        WebCore::Settings* s = pFrame->settings();
        if (!s)
            return;
        WebCore::DocLoader* docLoader = pFrame->document()->docLoader();

#ifdef ANDROID_LAYOUT
        jobject layout = env->GetObjectField(obj, gFieldIds->mLayoutAlgorithm);
        WebCore::Settings::LayoutAlgorithm l = (WebCore::Settings::LayoutAlgorithm)
                env->CallIntMethod(layout, gFieldIds->mOrdinal);
        if (s->layoutAlgorithm() != l) {
            s->setLayoutAlgorithm(l);
            if (pFrame->document()) {
                pFrame->document()->updateStyleSelector();
                if (pFrame->document()->renderer()) {
                    recursiveCleanupForFullLayout(pFrame->document()->renderer());
                    LOG_ASSERT(pFrame->view(), "No view for this frame when trying to relayout");
                    pFrame->view()->layout();
                    // FIXME: This call used to scroll the page to put the focus into view.
                    // It worked on the WebViewCore, but now scrolling is done outside of the
                    // WebViewCore, on the UI side, so there needs to be a new way to do this.
                    //pFrame->makeFocusVisible();
                }
            }
        }
#endif
        jobject textSize = env->GetObjectField(obj, gFieldIds->mTextSize);
        float zoomFactor = env->GetIntField(textSize, gFieldIds->mTextSizeValue) / 100.0f;
        if (pFrame->zoomFactor() != zoomFactor)
            pFrame->setZoomFactor(zoomFactor, /*isTextOnly*/true);

        jstring str = (jstring)env->GetObjectField(obj, gFieldIds->mStandardFontFamily);
        s->setStandardFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mFixedFontFamily);
        s->setFixedFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mSansSerifFontFamily);
        s->setSansSerifFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mSerifFontFamily);
        s->setSerifFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mCursiveFontFamily);
        s->setCursiveFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mFantasyFontFamily);
        s->setFantasyFontFamily(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mDefaultTextEncoding);
        s->setDefaultTextEncodingName(to_string(env, str));

        str = (jstring)env->GetObjectField(obj, gFieldIds->mUserAgent);
        WebFrame::getWebFrame(pFrame)->setUserAgent(to_string(env, str));

        jint size = env->GetIntField(obj, gFieldIds->mMinimumFontSize);
        s->setMinimumFontSize(size);

        size = env->GetIntField(obj, gFieldIds->mMinimumLogicalFontSize);
        s->setMinimumLogicalFontSize(size);

        size = env->GetIntField(obj, gFieldIds->mDefaultFontSize);
        s->setDefaultFontSize(size);

        size = env->GetIntField(obj, gFieldIds->mDefaultFixedFontSize);
        s->setDefaultFixedFontSize(size);

        jboolean flag = env->GetBooleanField(obj, gFieldIds->mLoadsImagesAutomatically);
        s->setLoadsImagesAutomatically(flag);
        if (flag)
            docLoader->setAutoLoadImages(true);

#ifdef ANDROID_BLOCK_NETWORK_IMAGE
        flag = env->GetBooleanField(obj, gFieldIds->mBlockNetworkImage);
        s->setBlockNetworkImage(flag);
        if(!flag)
            docLoader->setBlockNetworkImage(false);
#endif

        flag = env->GetBooleanField(obj, gFieldIds->mJavaScriptEnabled);
        s->setJavaScriptEnabled(flag);

        // ON = 0
        // ON_DEMAND = 1
        // OFF = 2
        jobject pluginState = env->GetObjectField(obj, gFieldIds->mPluginState);
        int state = env->CallIntMethod(pluginState, gFieldIds->mOrdinal);
        s->setPluginsEnabled(state < 2);
#ifdef ANDROID_PLUGINS
        s->setPluginsOnDemand(state == 1);
#endif

#if ENABLE(OFFLINE_WEB_APPLICATIONS)
        flag = env->GetBooleanField(obj, gFieldIds->mAppCacheEnabled);
        s->setOfflineWebApplicationCacheEnabled(flag);
        str = (jstring)env->GetObjectField(obj, gFieldIds->mAppCachePath);
        if (str) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        s->setMediaPreloadEnabled(flag);

#ifdef ANDROID_BLOCK_NETWORK_IMAGE
        flag = env->GetBooleanField(obj, gFieldIds->mBlockNetworkImage);
        s->setBlockNetworkImage(flag);
        if(!flag)
            cachedResourceLoader->setBlockNetworkImage(false);
#endif
        flag = env->GetBooleanField(obj, gFieldIds->mBlockNetworkLoads);
        WebFrame* webFrame = WebFrame::getWebFrame(pFrame);
        webFrame->setBlockNetworkLoads(flag);

        flag = env->GetBooleanField(obj, gFieldIds->mJavaScriptEnabled);
        s->setJavaScriptEnabled(flag);

        flag = env->GetBooleanField(obj, gFieldIds->mAllowUniversalAccessFromFileURLs);
        s->setAllowUniversalAccessFromFileURLs(flag);

        flag = env->GetBooleanField(obj, gFieldIds->mAllowFileAccessFromFileURLs);
        s->setAllowFileAccessFromFileURLs(flag);

        // Hyperlink auditing (the ping attribute) has similar privacy
        // considerations as does the running of JavaScript, so to keep the UI
        // simpler, we leverage the same setting.
        s->setHyperlinkAuditingEnabled(flag);

        // ON = 0
        // ON_DEMAND = 1
        // OFF = 2
        jobject pluginState = env->GetObjectField(obj, gFieldIds->mPluginState);
        int state = env->CallIntMethod(pluginState, gFieldIds->mOrdinal);
        s->setPluginsEnabled(state < 2);
#ifdef ANDROID_PLUGINS
        s->setPluginsOnDemand(state == 1);
#endif

#if ENABLE(OFFLINE_WEB_APPLICATIONS)
        // We only enable AppCache if it's been enabled with a call to
        // setAppCacheEnabled() and if a valid path has been supplied to
        // setAppCachePath(). Note that the path is applied to all WebViews
        // whereas enabling is applied per WebView.

        // WebCore asserts that the path is only set once. Since the path is
        // shared between WebViews, we can't do the required checks to guard
        // against this in the Java WebSettings.
        bool isPathValid = false;
        if (cacheStorage().cacheDirectory().isNull()) {
            str = static_cast<jstring>(env->GetObjectField(obj, gFieldIds->mAppCachePath));
            // Check for non-null string as an optimization, as this is the common case.
            if (str) {
                String path = jstringToWtfString(env, str);
                ALOG_ASSERT(!path.empty(), "Java side should never send empty string for AppCache path");
                // This database is created on the first load. If the file
                // doesn't exist, we create it and set its permissions. The
                // filename must match that in ApplicationCacheStorage.cpp.
                String filename = pathByAppendingComponent(path, "ApplicationCache.db");
                int fd = open(filename.utf8().data(), O_CREAT, permissionFlags660);
                if (fd >= 0) {
                    close(fd);
                    cacheStorage().setCacheDirectory(path);
                    isPathValid = true;
              }
            }
        } else
            isPathValid = true;

//.........这里部分代码省略.........
#endif
        flag = env->GetBooleanField(obj, gFieldIds->mBlockNetworkLoads);
        WebFrame* webFrame = WebFrame::getWebFrame(pFrame);
        webFrame->setBlockNetworkLoads(flag);

        flag = env->GetBooleanField(obj, gFieldIds->mJavaScriptEnabled);
        s->setJavaScriptEnabled(flag);

// SERI - WebGL >>
#if ENABLE(WEBGL)
        flag = env->GetBooleanField(obj, gFieldIds->mWebGLEnabled);
        s->setWebGLEnabled(flag);
#endif
// SERI - WebGL <<

        flag = env->GetBooleanField(obj, gFieldIds->mAllowUniversalAccessFromFileURLs);
        s->setAllowUniversalAccessFromFileURLs(flag);

        flag = env->GetBooleanField(obj, gFieldIds->mAllowFileAccessFromFileURLs);
        s->setAllowFileAccessFromFileURLs(flag);

        // Hyperlink auditing (the ping attribute) has similar privacy
        // considerations as does the running of JavaScript, so to keep the UI
        // simpler, we leverage the same setting.
        s->setHyperlinkAuditingEnabled(flag);

        // ON = 0
        // ON_DEMAND = 1
        // OFF = 2
        jobject pluginState = env->GetObjectField(obj, gFieldIds->mPluginState);
        int state = env->CallIntMethod(pluginState, gFieldIds->mOrdinal);
        s->setPluginsEnabled(state < 2);
#ifdef ANDROID_PLUGINS
        s->setPluginsOnDemand(state == 1);
#endif

#if ENABLE(OFFLINE_WEB_APPLICATIONS)
        // We only enable AppCache if it's been enabled with a call to
        // setAppCacheEnabled() and if a valid path has been supplied to
        // setAppCachePath(). Note that the path is applied to all WebViews
        // whereas enabling is applied per WebView.

        // WebCore asserts that the path is only set once. Since the path is
        // shared between WebViews, we can't do the required checks to guard
        // against this in the Java WebSettings.
        bool isPathValid = false;
        if (cacheStorage().cacheDirectory().isNull()) {
            str = static_cast<jstring>(env->GetObjectField(obj, gFieldIds->mAppCachePath));
            // Check for non-null string as an optimization, as this is the common case.
            if (str) {
                String path = jstringToWtfString(env, str);
                ALOG_ASSERT(!path.empty(), "Java side should never send empty string for AppCache path");
                // This database is created on the first load. If the file
                // doesn't exist, we create it and set its permissions. The
                // filename must match that in ApplicationCacheStorage.cpp.
                String filename = pathByAppendingComponent(path, "ApplicationCache.db");
                int fd = open(filename.utf8().data(), O_CREAT, permissionFlags660);
                if (fd >= 0) {
                    close(fd);
                    cacheStorage().setCacheDirectory(path);
                    isPathValid = true;
              }
            }
        } else
            isPathValid = true;