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MRJConsole.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
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00014  * The Original Code is mozilla.org code.
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00036 
00037 /*
00038        MRJConsole.h
00039        
00040        Implements the JVM console interface.
00041        
00042        by Patrick C. Beard.
00043  */
00044 
00045 #ifndef CALL_NOT_IN_CARBON
00046        #define CALL_NOT_IN_CARBON 1
00047 #endif
00048 
00049 #include "nsIJVMConsole.h"
00050 #include "nsIEventHandler.h"
00051 #include "SupportsMixin.h"
00052 
00053 #include "jni.h"
00054 #include <JManager.h>
00055 
00056 class MRJPlugin;
00057 class MRJSession;
00058 class TopLevelFrame;
00059 
00060 class MRJConsole :   public nsIJVMConsole,
00061                                    public nsIEventHandler,
00062                                    public SupportsMixin {
00063 public:
00064        MRJConsole(MRJPlugin* plugin);
00065        virtual ~MRJConsole();
00066 
00067        // NS_DECL_ISUPPORTS
00068        // DECL_SUPPORTS_MIXIN
00069        NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
00070        NS_IMETHOD_(nsrefcnt) AddRef(void);
00071        NS_IMETHOD_(nsrefcnt) Release(void);
00072 
00073        // nsIJVMConsole methods.
00074 
00075     NS_IMETHOD
00076     Show(void);
00077 
00078     NS_IMETHOD
00079     Hide(void);
00080 
00081     NS_IMETHOD
00082     IsVisible(PRBool* isVisible);
00083 
00084     // Prints a message to the Java console. The encodingName specifies the
00085     // encoding of the message, and if NULL, specifies the default platform
00086     // encoding.
00087     NS_IMETHOD
00088     Print(const char* msg, const char* encodingName = NULL);
00089 
00090     NS_IMETHOD
00091     HandleEvent(nsPluginEvent* event, PRBool* eventHandled);
00092     
00093     // Private implementation methods.
00094 
00095        void setFrame(TopLevelFrame* frame) { mFrame = frame; }
00096        
00097        void write(const void *message, UInt32 messageLengthInBytes);
00098 
00099 private:
00100        // Private implementation methods.
00101        OSStatus CallConsoleMethod(jmethodID method);
00102        OSStatus CallConsoleMethod(jmethodID method, jobject arg);
00103 
00104        void Initialize();
00105        
00106 private:
00107        MRJPlugin* mPlugin;
00108        MRJSession* mSession;
00109        PRBool mIsInitialized;
00110 
00111        jclass mConsoleClass;
00112        jmethodID mInitMethod;
00113        jmethodID mDisposeMethod;
00114        jmethodID mShowMethod;
00115        jmethodID mHideMethod;
00116        jmethodID mVisibleMethod;
00117        jmethodID mPrintMethod;
00118        jmethodID mFinishMethod;
00119 
00120        jbooleanArray mResults;
00121 
00122        JMAWTContextRef mContext;
00123        TopLevelFrame* mFrame;
00124 
00125        // support for SupportsMixin.
00126        static const InterfaceInfo sInterfaces[];
00127        static const UInt32 kInterfaceCount;
00128 };