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      1 /*
      2  * Copyright (C) 2009 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 WebPluginContainerImpl_h
     32 #define WebPluginContainerImpl_h
     33 
     34 // FIXME: This relative path is a temporary hack to support using this
     35 // header from webkit/glue.
     36 #include "../public/WebPluginContainer.h"
     37 
     38 #include "Widget.h"
     39 #include <wtf/PassRefPtr.h>
     40 #include <wtf/Vector.h>
     41 
     42 struct NPObject;
     43 
     44 namespace WebCore {
     45 class HTMLPlugInElement;
     46 class IntRect;
     47 class KeyboardEvent;
     48 class MouseEvent;
     49 class ResourceError;
     50 class ResourceResponse;
     51 }
     52 
     53 namespace WebKit {
     54 
     55 class WebPlugin;
     56 class WebPluginLoadObserver;
     57 
     58 class WebPluginContainerImpl : public WebCore::Widget, public WebPluginContainer {
     59 public:
     60     static PassRefPtr<WebPluginContainerImpl> create(WebCore::HTMLPlugInElement* element, WebPlugin* webPlugin)
     61     {
     62         return adoptRef(new WebPluginContainerImpl(element, webPlugin));
     63     }
     64 
     65     // Widget methods
     66     virtual void setFrameRect(const WebCore::IntRect&);
     67     virtual void paint(WebCore::GraphicsContext*, const WebCore::IntRect&);
     68     virtual void invalidateRect(const WebCore::IntRect&);
     69     virtual void setFocus();
     70     virtual void show();
     71     virtual void hide();
     72     virtual void handleEvent(WebCore::Event*);
     73     virtual void frameRectsChanged();
     74     virtual void setParentVisible(bool);
     75     virtual void setParent(WebCore::ScrollView*);
     76 
     77     // WebPluginContainer methods
     78     virtual void invalidate();
     79     virtual void invalidateRect(const WebRect&);
     80     virtual void reportGeometry();
     81     virtual void clearScriptObjects();
     82     virtual NPObject* scriptableObjectForElement();
     83     virtual WebString executeScriptURL(const WebURL&, bool popupsAllowed);
     84     virtual void loadFrameRequest(const WebURLRequest&, const WebString& target, bool notifyNeeded, void* notifyData);
     85 
     86     // Resource load events for the plugin's source data:
     87     void didReceiveResponse(const WebCore::ResourceResponse&);
     88     void didReceiveData(const char *data, int dataLength);
     89     void didFinishLoading();
     90     void didFailLoading(const WebCore::ResourceError&);
     91 
     92     NPObject* scriptableObject();
     93 
     94     // This cannot be null.
     95     WebPlugin* plugin() { return m_webPlugin; }
     96 
     97     void willDestroyPluginLoadObserver(WebPluginLoadObserver*);
     98 
     99 private:
    100     WebPluginContainerImpl(WebCore::HTMLPlugInElement* element, WebPlugin* webPlugin)
    101         : m_element(element)
    102         , m_webPlugin(webPlugin) { }
    103     ~WebPluginContainerImpl();
    104 
    105     void handleMouseEvent(WebCore::MouseEvent*);
    106     void handleKeyboardEvent(WebCore::KeyboardEvent*);
    107 
    108     void calculateGeometry(const WebCore::IntRect& frameRect,
    109                            WebCore::IntRect& windowRect,
    110                            WebCore::IntRect& clipRect,
    111                            Vector<WebCore::IntRect>& cutOutRects);
    112     WebCore::IntRect windowClipRect() const;
    113     void windowCutOutRects(const WebCore::IntRect& frameRect,
    114                            Vector<WebCore::IntRect>& cutOutRects);
    115 
    116     WebCore::HTMLPlugInElement* m_element;
    117     WebPlugin* m_webPlugin;
    118     Vector<WebPluginLoadObserver*> m_pluginLoadObservers;
    119 };
    120 
    121 } // namespace WebKit
    122 
    123 #endif
    124