diff -r 000000000000 -r 4f2f89ce4247 WebCore/plugins/PluginView.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/plugins/PluginView.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,395 @@
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd. All rights reserved.
+ * Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef PluginView_h
+#define PluginView_h
+
+#include "FrameLoadRequest.h"
+#include "HaltablePlugin.h"
+#include "IntRect.h"
+#include "MediaCanStartListener.h"
+#include "PluginStream.h"
+#include "ResourceRequest.h"
+#include "Timer.h"
+#include "Widget.h"
+#include "npruntime_internal.h"
+#include <wtf/HashMap.h>
+#include <wtf/HashSet.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/text/CString.h>
+
+#if OS(WINDOWS) && (PLATFORM(QT) || PLATFORM(WX))
+typedef struct HWND__* HWND;
+typedef HWND PlatformPluginWidget;
+#else
+typedef PlatformWidget PlatformPluginWidget;
+#if defined(XP_MACOSX) && PLATFORM(QT)
+#include <QPixmap>
+#endif
+#endif
+
+#if USE(JSC)
+namespace JSC {
+    namespace Bindings {
+        class Instance;
+    }
+}
+#endif
+
+namespace WebCore {
+    class Element;
+    class Frame;
+    class Image;
+    class KeyboardEvent;
+    class MouseEvent;
+    class KURL;
+#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API)
+    class PluginMessageThrottlerWin;
+#endif
+    class PluginPackage;
+    class PluginRequest;
+    class PluginStream;
+    class ResourceError;
+    class ResourceResponse;
+
+    enum PluginStatus {
+        PluginStatusCanNotFindPlugin,
+        PluginStatusCanNotLoadPlugin,
+        PluginStatusLoadedSuccessfully
+    };
+
+    class PluginRequest : public Noncopyable {
+    public:
+        PluginRequest(const FrameLoadRequest& frameLoadRequest, bool sendNotification, void* notifyData, bool shouldAllowPopups)
+            : m_frameLoadRequest(frameLoadRequest)
+            , m_notifyData(notifyData)
+            , m_sendNotification(sendNotification)
+            , m_shouldAllowPopups(shouldAllowPopups) { }
+    public:
+        const FrameLoadRequest& frameLoadRequest() const { return m_frameLoadRequest; }
+        void* notifyData() const { return m_notifyData; }
+        bool sendNotification() const { return m_sendNotification; }
+        bool shouldAllowPopups() const { return m_shouldAllowPopups; }
+    private:
+        FrameLoadRequest m_frameLoadRequest;
+        void* m_notifyData;
+        bool m_sendNotification;
+        bool m_shouldAllowPopups;
+    };
+
+    class PluginManualLoader {
+    public:
+        virtual ~PluginManualLoader() {}
+        virtual void didReceiveResponse(const ResourceResponse&) = 0;
+        virtual void didReceiveData(const char*, int) = 0;
+        virtual void didFinishLoading() = 0;
+        virtual void didFail(const ResourceError&) = 0;
+    };
+
+    class PluginView : public Widget, private PluginStreamClient, public PluginManualLoader, private HaltablePlugin, private MediaCanStartListener {
+    public:
+        static PassRefPtr<PluginView> create(Frame* parentFrame, const IntSize&, Element*, const KURL&, const Vector<String>& paramNames, const Vector<String>& paramValues, const String& mimeType, bool loadManually);
+        virtual ~PluginView();
+
+        PluginPackage* plugin() const { return m_plugin.get(); }
+        NPP instance() const { return m_instance; }
+
+        void setNPWindowRect(const IntRect&);
+        static PluginView* currentPluginView();
+
+#if USE(JSC)
+        PassRefPtr<JSC::Bindings::Instance> bindingInstance();
+#endif
+
+        PluginStatus status() const { return m_status; }
+
+        // NPN functions
+        NPError getURLNotify(const char* url, const char* target, void* notifyData);
+        NPError getURL(const char* url, const char* target);
+        NPError postURLNotify(const char* url, const char* target, uint32_t len, const char* but, NPBool file, void* notifyData);
+        NPError postURL(const char* url, const char* target, uint32_t len, const char* but, NPBool file);
+        NPError newStream(NPMIMEType type, const char* target, NPStream** stream);
+        int32_t write(NPStream* stream, int32_t len, void* buffer);
+        NPError destroyStream(NPStream* stream, NPReason reason);
+        const char* userAgent();
+#if ENABLE(NETSCAPE_PLUGIN_API)
+        static const char* userAgentStatic();
+#endif
+        void status(const char* message);
+        
+#if ENABLE(NETSCAPE_PLUGIN_API)
+        NPError getValue(NPNVariable variable, void* value);
+        static NPError getValueStatic(NPNVariable variable, void* value);
+#endif
+        NPError setValue(NPPVariable variable, void* value);
+        void invalidateRect(NPRect*);
+        void invalidateRegion(NPRegion);
+        void forceRedraw();
+        void pushPopupsEnabledState(bool state);
+        void popPopupsEnabledState();
+
+        virtual void invalidateRect(const IntRect&);
+
+        bool arePopupsAllowed() const;
+
+        void setJavaScriptPaused(bool);
+
+        void privateBrowsingStateChanged(bool);
+
+        void disconnectStream(PluginStream*);
+        void streamDidFinishLoading(PluginStream* stream) { disconnectStream(stream); }
+
+        // Widget functions
+        virtual void setFrameRect(const IntRect&);
+        virtual void frameRectsChanged();
+        virtual void setFocus(bool);
+        virtual void show();
+        virtual void hide();
+        virtual void paint(GraphicsContext*, const IntRect&);
+
+        // This method is used by plugins on all platforms to obtain a clip rect that includes clips set by WebCore,
+        // e.g., in overflow:auto sections.  The clip rects coordinates are in the containing window's coordinate space.
+        // This clip includes any clips that the widget itself sets up for its children.
+        IntRect windowClipRect() const;
+
+        virtual void handleEvent(Event*);
+        virtual void setParent(ScrollView*);
+        virtual void setParentVisible(bool);
+
+        virtual bool isPluginView() const { return true; }
+
+        Frame* parentFrame() const { return m_parentFrame.get(); }
+
+        void focusPluginElement();
+
+        const String& pluginsPage() const { return m_pluginsPage; }
+        const String& mimeType() const { return m_mimeType; }
+        const KURL& url() const { return m_url; }
+
+#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API)
+        static LRESULT CALLBACK PluginViewWndProc(HWND, UINT, WPARAM, LPARAM);
+        LRESULT wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
+        WNDPROC pluginWndProc() const { return m_pluginWndProc; }
+#endif
+
+        // Used for manual loading
+        void didReceiveResponse(const ResourceResponse&);
+        void didReceiveData(const char*, int);
+        void didFinishLoading();
+        void didFail(const ResourceError&);
+
+        // HaltablePlugin
+        virtual void halt();
+        virtual void restart();
+        virtual Node* node() const;
+        virtual bool isWindowed() const { return m_isWindowed; }
+        virtual String pluginName() const;
+
+        bool isHalted() const { return m_isHalted; }
+        bool hasBeenHalted() const { return m_hasBeenHalted; }
+
+        static bool isCallingPlugin();
+
+        bool start();
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+        static void keepAlive(NPP);
+#endif
+        void keepAlive();
+
+    private:
+        PluginView(Frame* parentFrame, const IntSize&, PluginPackage*, Element*, const KURL&, const Vector<String>& paramNames, const Vector<String>& paramValues, const String& mimeType, bool loadManually);
+
+        void setParameters(const Vector<String>& paramNames, const Vector<String>& paramValues);
+        bool startOrAddToUnstartedList();
+        void init();
+        bool platformStart();
+        void stop();
+        void platformDestroy();
+        static void setCurrentPluginView(PluginView*);
+        NPError load(const FrameLoadRequest&, bool sendNotification, void* notifyData);
+        NPError handlePost(const char* url, const char* target, uint32_t len, const char* buf, bool file, void* notifyData, bool sendNotification, bool allowHeaders);
+        NPError handlePostReadFile(Vector<char>& buffer, uint32_t len, const char* buf);
+        static void freeStringArray(char** stringArray, int length);
+        void setCallingPlugin(bool) const;
+
+        void invalidateWindowlessPluginRect(const IntRect&);
+
+        virtual void mediaCanStart();
+
+#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API)
+        void paintWindowedPluginIntoContext(GraphicsContext*, const IntRect&);
+        static HDC WINAPI hookedBeginPaint(HWND, PAINTSTRUCT*);
+        static BOOL WINAPI hookedEndPaint(HWND, const PAINTSTRUCT*);
+#endif
+
+        static bool platformGetValueStatic(NPNVariable variable, void* value, NPError* result);
+        bool platformGetValue(NPNVariable variable, void* value, NPError* result);
+
+        RefPtr<Frame> m_parentFrame;
+        RefPtr<PluginPackage> m_plugin;
+        Element* m_element;
+        bool m_isStarted;
+        KURL m_url;
+        KURL m_baseURL;
+        PluginStatus m_status;
+        Vector<IntRect> m_invalidRects;
+
+        void performRequest(PluginRequest*);
+        void scheduleRequest(PluginRequest*);
+        void requestTimerFired(Timer<PluginView>*);
+        void invalidateTimerFired(Timer<PluginView>*);
+        Timer<PluginView> m_requestTimer;
+        Timer<PluginView> m_invalidateTimer;
+
+        void popPopupsStateTimerFired(Timer<PluginView>*);
+        Timer<PluginView> m_popPopupsStateTimer;
+
+        void lifeSupportTimerFired(Timer<PluginView>*);
+        Timer<PluginView> m_lifeSupportTimer;
+
+#ifndef NP_NO_CARBON
+        bool dispatchNPEvent(NPEvent&);
+#endif
+        void updatePluginWidget();
+        void paintMissingPluginIcon(GraphicsContext*, const IntRect&);
+
+        void handleKeyboardEvent(KeyboardEvent*);
+        void handleMouseEvent(MouseEvent*);
+#if defined(XP_UNIX) && ENABLE(NETSCAPE_PLUGIN_API)
+        void handleFocusInEvent();
+        void handleFocusOutEvent();
+#endif
+
+#if OS(WINDOWS)
+        void paintIntoTransformedContext(HDC);
+        PassRefPtr<Image> snapshot();
+#endif
+
+        int m_mode;
+        int m_paramCount;
+        char** m_paramNames;
+        char** m_paramValues;
+        String m_pluginsPage;
+
+        String m_mimeType;
+        WTF::CString m_userAgent;
+
+        NPP m_instance;
+        NPP_t m_instanceStruct;
+        NPWindow m_npWindow;
+
+        Vector<bool, 4> m_popupStateStack;
+
+        HashSet<RefPtr<PluginStream> > m_streams;
+        Vector<PluginRequest*> m_requests;
+
+        bool m_isWindowed;
+        bool m_isTransparent;
+        bool m_haveInitialized;
+        bool m_isWaitingToStart;
+
+#if defined(XP_UNIX)
+        bool m_needsXEmbed;
+#endif
+
+#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API)
+        OwnPtr<PluginMessageThrottlerWin> m_messageThrottler;
+        WNDPROC m_pluginWndProc;
+        unsigned m_lastMessage;
+        bool m_isCallingPluginWndProc;
+        HDC m_wmPrintHDC;
+        bool m_haveUpdatedPluginWidget;
+#endif
+
+#if ((PLATFORM(QT) || PLATFORM(WX)) && OS(WINDOWS)) || defined(XP_MACOSX)
+        // On Mac OSX and Qt/Windows the plugin does not have its own native widget,
+        // but is using the containing window as its reference for positioning/painting.
+        PlatformPluginWidget m_window;
+public:
+        PlatformPluginWidget platformPluginWidget() const { return m_window; }
+        void setPlatformPluginWidget(PlatformPluginWidget widget) { m_window = widget; }
+#else
+public:
+        void setPlatformPluginWidget(PlatformPluginWidget widget) { setPlatformWidget(widget); }
+        PlatformPluginWidget platformPluginWidget() const { return platformWidget(); }
+#endif
+
+private:
+
+#if defined(XP_UNIX) || OS(SYMBIAN)
+        void setNPWindowIfNeeded();
+#elif defined(XP_MACOSX)
+        NP_CGContext m_npCgContext;
+        OwnPtr<Timer<PluginView> > m_nullEventTimer;
+        NPDrawingModel m_drawingModel;
+        NPEventModel m_eventModel;
+        CGContextRef m_contextRef;
+        WindowRef m_fakeWindow;
+#if PLATFORM(QT)
+        QPixmap m_pixmap;
+#endif
+
+        Point m_lastMousePos;
+        void setNPWindowIfNeeded();
+        void nullEventTimerFired(Timer<PluginView>*);
+        Point globalMousePosForPlugin() const;
+        Point mousePosForPlugin(MouseEvent* event = 0) const;
+#endif
+
+#if defined(XP_UNIX) && ENABLE(NETSCAPE_PLUGIN_API)
+        bool m_hasPendingGeometryChange;
+        Pixmap m_drawable;
+        Visual* m_visual;
+        Colormap m_colormap;
+        Display* m_pluginDisplay;
+
+        void initXEvent(XEvent* event);
+#endif
+
+        IntRect m_clipRect; // The clip rect to apply to a windowed plug-in
+        IntRect m_windowRect; // Our window rect.
+
+        bool m_loadManually;
+        RefPtr<PluginStream> m_manualStream;
+
+        bool m_isJavaScriptPaused;
+
+        bool m_isHalted;
+        bool m_hasBeenHalted;
+
+        bool m_haveCalledSetWindow;
+
+        static PluginView* s_currentPluginView;
+    };
+
+} // namespace WebCore
+
+#endif