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      1 /*
      2  * Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WebPlatformStrategies.h"
     28 
     29 #if USE(PLATFORM_STRATEGIES)
     30 
     31 #include "PluginInfoStore.h"
     32 #include "WebContextMessages.h"
     33 #include "WebCookieManager.h"
     34 #include "WebCoreArgumentCoders.h"
     35 #include "WebProcess.h"
     36 #include <WebCore/Page.h>
     37 
     38 #if USE(CF)
     39 #include <wtf/RetainPtr.h>
     40 #endif
     41 
     42 using namespace WebCore;
     43 
     44 namespace WebKit {
     45 
     46 void WebPlatformStrategies::initialize()
     47 {
     48     DEFINE_STATIC_LOCAL(WebPlatformStrategies, platformStrategies, ());
     49     setPlatformStrategies(&platformStrategies);
     50 }
     51 
     52 WebPlatformStrategies::WebPlatformStrategies()
     53     : m_pluginCacheIsPopulated(false)
     54     , m_shouldRefreshPlugins(false)
     55 {
     56 }
     57 
     58 CookiesStrategy* WebPlatformStrategies::createCookiesStrategy()
     59 {
     60     return this;
     61 }
     62 
     63 PluginStrategy* WebPlatformStrategies::createPluginStrategy()
     64 {
     65     return this;
     66 }
     67 
     68 VisitedLinkStrategy* WebPlatformStrategies::createVisitedLinkStrategy()
     69 {
     70     return this;
     71 }
     72 
     73 // CookiesStrategy
     74 
     75 void WebPlatformStrategies::notifyCookiesChanged()
     76 {
     77     WebCookieManager::shared().dispatchCookiesDidChange();
     78 }
     79 
     80 // PluginStrategy
     81 
     82 void WebPlatformStrategies::refreshPlugins()
     83 {
     84     m_cachedPlugins.clear();
     85     m_pluginCacheIsPopulated = false;
     86     m_shouldRefreshPlugins = true;
     87 
     88     populatePluginCache();
     89 }
     90 
     91 void WebPlatformStrategies::getPluginInfo(const WebCore::Page*, Vector<WebCore::PluginInfo>& plugins)
     92 {
     93     populatePluginCache();
     94     plugins = m_cachedPlugins;
     95 }
     96 
     97 void WebPlatformStrategies::populatePluginCache()
     98 {
     99     if (m_pluginCacheIsPopulated)
    100         return;
    101 
    102     ASSERT(m_cachedPlugins.isEmpty());
    103 
    104     Vector<PluginInfo> plugins;
    105 
    106     // FIXME: Should we do something in case of error here?
    107     WebProcess::shared().connection()->sendSync(Messages::WebContext::GetPlugins(m_shouldRefreshPlugins),
    108                                                 Messages::WebContext::GetPlugins::Reply(plugins), 0);
    109 
    110     m_cachedPlugins.swap(plugins);
    111 
    112     m_shouldRefreshPlugins = false;
    113     m_pluginCacheIsPopulated = true;
    114 }
    115 
    116 // VisitedLinkStrategy
    117 
    118 bool WebPlatformStrategies::isLinkVisited(Page* page, LinkHash linkHash)
    119 {
    120     return WebProcess::shared().isLinkVisited(linkHash);
    121 }
    122 
    123 void WebPlatformStrategies::addVisitedLink(Page* page, LinkHash linkHash)
    124 {
    125     WebProcess::shared().addVisitedLink(linkHash);
    126 }
    127 
    128 } // namespace WebKit
    129 
    130 #endif // USE(PLATFORM_STRATEGIES)
    131