third_party/WebKit/Source/web/WebHelperPluginImpl.h

   1 /*
   2  * Copyright (C) 2012 Google 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 are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef WebHelperPluginImpl_h
  32 #define WebHelperPluginImpl_h
  33
  34 #include "platform/Timer.h"
  35 #include "public/web/WebHelperPlugin.h"
  36 #include "wtf/FastAllocBase.h"
  37 #include "wtf/Noncopyable.h"
  38 #include "wtf/PassOwnPtr.h"
  39 #include "wtf/RefPtr.h"
  40 #include "wtf/text/WTFString.h"
  41
  42 namespace blink {
  43
  44 class HTMLObjectElement;
  45 class WebLocalFrameImpl;
  46 class WebPluginContainerImpl;
  47
  48 // Utility class to host helper plugins for media. Internally, it creates a detached
  49 // HTMLPluginElement to host the plugin and uses FrameLoaderClient::createPlugin() to instantiate
  50 // the requested plugin.
  51 class WebHelperPluginImpl final : public WebHelperPlugin {
  52     WTF_MAKE_NONCOPYABLE(WebHelperPluginImpl);
  53     WTF_MAKE_FAST_ALLOCATED(WebHelperPluginImpl);
  54 public:
  55     // WebHelperPlugin methods:
  56     WebPlugin* getPlugin() override;
  57     void destroy() override;
  58
  59 private:
  60     friend class WebHelperPlugin;
  61
  62     WebHelperPluginImpl();
  63     ~WebHelperPluginImpl() override;
  64
  65     bool initialize(const String& pluginType, WebLocalFrameImpl*);
  66     void reallyDestroy(Timer<WebHelperPluginImpl>*);
  67
  68     Timer<WebHelperPluginImpl> m_destructionTimer;
  69     RefPtrWillBePersistent<HTMLObjectElement> m_objectElement;
  70     RefPtrWillBePersistent<WebPluginContainerImpl> m_pluginContainer;
  71 };
  72
  73 } // namespace blink
  74
  75 #endif // WebHelperPluginImpl_h