public:

///

// Returns the current (top) context object in the V8 context stack.

///

/*--cef()--*/

static CefRefPtr<CefV8Context> GetCurrentContext();

///

// Returns the entered (bottom) context object in the V8 context stack.

///

/*--cef()--*/

static CefRefPtr<CefV8Context> GetEnteredContext();

///

// Returns true if V8 is currently inside a context.

///

/*--cef()--*/

static bool InContext();

///

// Returns the task runner associated with this context. V8 handles can only

// be accessed from the thread on which they are created. This method can be

// called on any render process thread.

///

/*--cef()--*/

virtual CefRefPtr<CefTaskRunner> GetTaskRunner() = 0;

///

// Returns true if the underlying handle is valid and it can be accessed on

// the current thread. Do not call any other methods if this method returns

// false.

///

/*--cef()--*/

virtual bool IsValid() = 0;

///

// Returns the browser for this context. This method will return an empty

// reference for WebWorker contexts.

///

/*--cef()--*/

virtual CefRefPtr<CefBrowser> GetBrowser() = 0;

///

// Returns the frame for this context. This method will return an empty

// reference for WebWorker contexts.

///

/*--cef()--*/

virtual CefRefPtr<CefFrame> GetFrame() = 0;

///

// Returns the global object for this context. The context must be entered

// before calling this method.

///

/*--cef()--*/

virtual CefRefPtr<CefV8Value> GetGlobal() = 0;

///

// Enter this context. A context must be explicitly entered before creating a

// V8 Object, Array, Function or Date asynchronously. Exit() must be called

// the same number of times as Enter() before releasing this context. V8

// objects belong to the context in which they are created. Returns true if

// the scope was entered successfully.

///

/*--cef()--*/

virtual bool Enter() = 0;

///

// Exit this context. Call this method only after calling Enter(). Returns

// true if the scope was exited successfully.

///

/*--cef()--*/

virtual bool Exit() = 0;

///

// Returns true if this object is pointing to the same handle as |that|

// object.

///

/*--cef()--*/

virtual bool IsSame(CefRefPtr<CefV8Context> that) = 0;

///

// Execute a string of JavaScript code in this V8 context. The |script_url|

// parameter is the URL where the script in question can be found, if any.

// The |start_line| parameter is the base line number to use for error

// reporting. On success |retval| will be set to the return value, if any, and

// the function will return true. On failure |exception| will be set to the

// exception, if any, and the function will return false.

///

/*--cef(optional_param=script_url)--*/

virtual bool Eval(const CefString& code,

const CefString& script_url,

int start_line,

CefRefPtr<CefV8Value>& retval,

CefRefPtr<CefV8Exception>& exception) = 0;

public:

///

// Handle execution of the function identified by |name|. |object| is the

// receiver ('this' object) of the function. |arguments| is the list of

// arguments passed to the function. If execution succeeds set |retval| to the

// function return value. If execution fails set |exception| to the exception

// that will be thrown. Return true if execution was handled.

///

/*--cef()--*/

virtual bool Execute(const CefString& name,

CefRefPtr<CefV8Value> object,

const CefV8ValueList& arguments,

CefRefPtr<CefV8Value>& retval,

CefString& exception) = 0;

public:

///

// Handle retrieval the accessor value identified by |name|. |object| is the

// receiver ('this' object) of the accessor. If retrieval succeeds set

// |retval| to the return value. If retrieval fails set |exception| to the

// exception that will be thrown. Return true if accessor retrieval was

// handled.

///

/*--cef()--*/

virtual bool Get(const CefString& name,

const CefRefPtr<CefV8Value> object,

CefRefPtr<CefV8Value>& retval,

CefString& exception) = 0;

///

// Handle assignment of the accessor value identified by |name|. |object| is

// the receiver ('this' object) of the accessor. |value| is the new value

// being assigned to the accessor. If assignment fails set |exception| to the

// exception that will be thrown. Return true if accessor assignment was

// handled.

///

/*--cef()--*/

virtual bool Set(const CefString& name,

const CefRefPtr<CefV8Value> object,

const CefRefPtr<CefV8Value> value,

CefString& exception) = 0;

public:

///

// Handle retrieval of the interceptor value identified by |name|. |object| is

// the receiver ('this' object) of the interceptor. If retrieval succeeds, set

// |retval| to the return value. If the requested value does not exist, don't

// set either |retval| or |exception|. If retrieval fails, set |exception| to

// the exception that will be thrown. If the property has an associated

// accessor, it will be called only if you don't set |retval|.

// Return true if interceptor retrieval was handled, false otherwise.

///

/*--cef(capi_name=get_byname)--*/

virtual bool Get(const CefString& name,

const CefRefPtr<CefV8Value> object,

CefRefPtr<CefV8Value>& retval,

CefString& exception) = 0;

///

// Handle retrieval of the interceptor value identified by |index|. |object|

// is the receiver ('this' object) of the interceptor. If retrieval succeeds,

// set |retval| to the return value. If the requested value does not exist,

// don't set either |retval| or |exception|. If retrieval fails, set

// |exception| to the exception that will be thrown.

// Return true if interceptor retrieval was handled, false otherwise.

///

/*--cef(capi_name=get_byindex,index_param=index)--*/

virtual bool Get(int index,

const CefRefPtr<CefV8Value> object,

CefRefPtr<CefV8Value>& retval,

CefString& exception) = 0;

///

// Handle assignment of the interceptor value identified by |name|. |object|

// is the receiver ('this' object) of the interceptor. |value| is the new

// value being assigned to the interceptor. If assignment fails, set

// |exception| to the exception that will be thrown. This setter will always

// be called, even when the property has an associated accessor.

// Return true if interceptor assignment was handled, false otherwise.

///

/*--cef(capi_name=set_byname)--*/

virtual bool Set(const CefString& name,

const CefRefPtr<CefV8Value> object,

const CefRefPtr<CefV8Value> value,

CefString& exception) = 0;

///

// Handle assignment of the interceptor value identified by |index|. |object|

// is the receiver ('this' object) of the interceptor. |value| is the new

// value being assigned to the interceptor. If assignment fails, set

// |exception| to the exception that will be thrown.

// Return true if interceptor assignment was handled, false otherwise.

///

/*--cef(capi_name=set_byindex,index_param=index)--*/

virtual bool Set(int index,

const CefRefPtr<CefV8Value> object,

const CefRefPtr<CefV8Value> value,

CefString& exception) = 0;

public:

///

// Returns the exception message.

///

/*--cef()--*/

virtual CefString GetMessage() = 0;

///

// Returns the line of source code that the exception occurred within.

///

/*--cef()--*/

virtual CefString GetSourceLine() = 0;

///

// Returns the resource name for the script from where the function causing

// the error originates.

///

/*--cef()--*/

virtual CefString GetScriptResourceName() = 0;

///

// Returns the 1-based number of the line where the error occurred or 0 if the

// line number is unknown.

///

/*--cef()--*/

virtual int GetLineNumber() = 0;

///

// Returns the index within the script of the first character where the error

// occurred.

///

/*--cef()--*/

virtual int GetStartPosition() = 0;

///

// Returns the index within the script of the last character where the error

// occurred.

///

/*--cef()--*/

virtual int GetEndPosition() = 0;

///

// Returns the index within the line of the first character where the error

// occurred.

///

/*--cef()--*/

virtual int GetStartColumn() = 0;

///

// Returns the index within the line of the last character where the error

// occurred.

///

/*--cef()--*/

virtual int GetEndColumn() = 0;

public:

///

// Called to release |buffer| when the ArrayBuffer JS object is garbage

// collected. |buffer| is the value that was passed to CreateArrayBuffer along

// with this object.

///

/*--cef()--*/

virtual void ReleaseBuffer(void* buffer) = 0;

public:

typedef cef_v8_accesscontrol_t AccessControl;

typedef cef_v8_propertyattribute_t PropertyAttribute;

///

// Create a new CefV8Value object of type undefined.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateUndefined();

///

// Create a new CefV8Value object of type null.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateNull();

///

// Create a new CefV8Value object of type bool.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateBool(bool value);

///

// Create a new CefV8Value object of type int.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateInt(int32 value);

///

// Create a new CefV8Value object of type unsigned int.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateUInt(uint32 value);

///

// Create a new CefV8Value object of type double.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateDouble(double value);

///

// Create a new CefV8Value object of type Date. This method should only be

// called from within the scope of a CefRenderProcessHandler, CefV8Handler or

// CefV8Accessor callback, or in combination with calling Enter() and Exit()

// on a stored CefV8Context reference.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateDate(const CefTime& date);

///

// Create a new CefV8Value object of type string.

///

/*--cef(optional_param=value)--*/

static CefRefPtr<CefV8Value> CreateString(const CefString& value);

///

// Create a new CefV8Value object of type object with optional accessor and/or

// interceptor. This method should only be called from within the scope of a

// CefRenderProcessHandler, CefV8Handler or CefV8Accessor callback, or in

// combination with calling Enter() and Exit() on a stored CefV8Context

// reference.

///

/*--cef(optional_param=accessor, optional_param=interceptor)--*/

static CefRefPtr<CefV8Value> CreateObject(

CefRefPtr<CefV8Accessor> accessor,

CefRefPtr<CefV8Interceptor> interceptor);

///

// Create a new CefV8Value object of type array with the specified |length|.

// If |length| is negative the returned array will have length 0. This method

// should only be called from within the scope of a CefRenderProcessHandler,

// CefV8Handler or CefV8Accessor callback, or in combination with calling

// Enter() and Exit() on a stored CefV8Context reference.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateArray(int length);

///

// Create a new CefV8Value object of type ArrayBuffer which wraps the provided

// |buffer| of size |length| bytes. The ArrayBuffer is externalized, meaning

// that it does not own |buffer|. The caller is responsible for freeing

// |buffer| when requested via a call to CefV8ArrayBufferReleaseCallback::

// ReleaseBuffer. This method should only be called from within the scope of a

// CefRenderProcessHandler, CefV8Handler or CefV8Accessor callback, or in

// combination with calling Enter() and Exit() on a stored CefV8Context

// reference.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateArrayBuffer(

void* buffer,

size_t length,

CefRefPtr<CefV8ArrayBufferReleaseCallback> release_callback);

///

// Create a new CefV8Value object of type function. This method should only be

// called from within the scope of a CefRenderProcessHandler, CefV8Handler or

// CefV8Accessor callback, or in combination with calling Enter() and Exit()

// on a stored CefV8Context reference.

///

/*--cef()--*/

static CefRefPtr<CefV8Value> CreateFunction(const CefString& name,

CefRefPtr<CefV8Handler> handler);

///

// Returns true if the underlying handle is valid and it can be accessed on

// the current thread. Do not call any other methods if this method returns

// false.

///

/*--cef()--*/

virtual bool IsValid() = 0;

///

// True if the value type is undefined.

///

/*--cef()--*/

virtual bool IsUndefined() = 0;

///

// True if the value type is null.

///

/*--cef()--*/

virtual bool IsNull() = 0;

///

// True if the value type is bool.

///

/*--cef()--*/

virtual bool IsBool() = 0;

///

// True if the value type is int.

///

/*--cef()--*/

virtual bool IsInt() = 0;

///

// True if the value type is unsigned int.

///

/*--cef()--*/

virtual bool IsUInt() = 0;

///

// True if the value type is double.

///

/*--cef()--*/

virtual bool IsDouble() = 0;

///

// True if the value type is Date.

///

/*--cef()--*/

virtual bool IsDate() = 0;

///

// True if the value type is string.

///

/*--cef()--*/

virtual bool IsString() = 0;

///

// True if the value type is object.

///

/*--cef()--*/

virtual bool IsObject() = 0;

///

// True if the value type is array.

///

/*--cef()--*/

virtual bool IsArray() = 0;

///

// True if the value type is an ArrayBuffer.

///

/*--cef()--*/

virtual bool IsArrayBuffer() = 0;

///

// True if the value type is function.

///

/*--cef()--*/

virtual bool IsFunction() = 0;

///

// Returns true if this object is pointing to the same handle as |that|

// object.

///

/*--cef()--*/

virtual bool IsSame(CefRefPtr<CefV8Value> that) = 0;

///

// Return a bool value.

///

/*--cef()--*/

virtual bool GetBoolValue() = 0;

///

// Return an int value.

///

/*--cef()--*/

virtual int32 GetIntValue() = 0;

///

// Return an unsigned int value.

///

/*--cef()--*/

virtual uint32 GetUIntValue() = 0;

///

// Return a double value.

///

/*--cef()--*/

virtual double GetDoubleValue() = 0;

///

// Return a Date value.

///

/*--cef()--*/

virtual CefTime GetDateValue() = 0;

///

// Return a string value.

///

/*--cef()--*/

virtual CefString GetStringValue() = 0;

// OBJECT METHODS - These methods are only available on objects. Arrays and

// functions are also objects. String- and integer-based keys can be used

// interchangably with the framework converting between them as necessary.

///

// Returns true if this is a user created object.

///

/*--cef()--*/

virtual bool IsUserCreated() = 0;

///

// Returns true if the last method call resulted in an exception. This

// attribute exists only in the scope of the current CEF value object.

///

/*--cef()--*/

virtual bool HasException() = 0;

///

// Returns the exception resulting from the last method call. This attribute

// exists only in the scope of the current CEF value object.

///

/*--cef()--*/

virtual CefRefPtr<CefV8Exception> GetException() = 0;

///

// Clears the last exception and returns true on success.

///

/*--cef()--*/

virtual bool ClearException() = 0;

///

// Returns true if this object will re-throw future exceptions. This attribute

// exists only in the scope of the current CEF value object.

///

/*--cef()--*/

virtual bool WillRethrowExceptions() = 0;

///

// Set whether this object will re-throw future exceptions. By default

// exceptions are not re-thrown. If a exception is re-thrown the current

// context should not be accessed again until after the exception has been

// caught and not re-thrown. Returns true on success. This attribute exists

// only in the scope of the current CEF value object.

///

/*--cef()--*/

virtual bool SetRethrowExceptions(bool rethrow) = 0;

///

// Returns true if the object has a value with the specified identifier.

///

/*--cef(capi_name=has_value_bykey,optional_param=key)--*/

virtual bool HasValue(const CefString& key) = 0;

///

// Returns true if the object has a value with the specified identifier.

///

/*--cef(capi_name=has_value_byindex,index_param=index)--*/

virtual bool HasValue(int index) = 0;

///

// Deletes the value with the specified identifier and returns true on

// success. Returns false if this method is called incorrectly or an exception

// is thrown. For read-only and don't-delete values this method will return

// true even though deletion failed.

///

/*--cef(capi_name=delete_value_bykey,optional_param=key)--*/

virtual bool DeleteValue(const CefString& key) = 0;

///

// Deletes the value with the specified identifier and returns true on

// success. Returns false if this method is called incorrectly, deletion fails

// or an exception is thrown. For read-only and don't-delete values this

// method will return true even though deletion failed.

///

/*--cef(capi_name=delete_value_byindex,index_param=index)--*/

virtual bool DeleteValue(int index) = 0;

///

// Returns the value with the specified identifier on success. Returns NULL

// if this method is called incorrectly or an exception is thrown.

///

/*--cef(capi_name=get_value_bykey,optional_param=key)--*/

virtual CefRefPtr<CefV8Value> GetValue(const CefString& key) = 0;

///

// Returns the value with the specified identifier on success. Returns NULL

// if this method is called incorrectly or an exception is thrown.

///

/*--cef(capi_name=get_value_byindex,index_param=index)--*/

virtual CefRefPtr<CefV8Value> GetValue(int index) = 0;

///

// Associates a value with the specified identifier and returns true on

// success. Returns false if this method is called incorrectly or an exception

// is thrown. For read-only values this method will return true even though

// assignment failed.

///

/*--cef(capi_name=set_value_bykey,optional_param=key)--*/

virtual bool SetValue(const CefString& key,

CefRefPtr<CefV8Value> value,

PropertyAttribute attribute) = 0;

///

// Associates a value with the specified identifier and returns true on

// success. Returns false if this method is called incorrectly or an exception

// is thrown. For read-only values this method will return true even though

// assignment failed.

///

/*--cef(capi_name=set_value_byindex,index_param=index)--*/

virtual bool SetValue(int index, CefRefPtr<CefV8Value> value) = 0;

///

// Registers an identifier and returns true on success. Access to the

// identifier will be forwarded to the CefV8Accessor instance passed to

// CefV8Value::CreateObject(). Returns false if this method is called

// incorrectly or an exception is thrown. For read-only values this method

// will return true even though assignment failed.

///

/*--cef(capi_name=set_value_byaccessor,optional_param=key)--*/

virtual bool SetValue(const CefString& key,

AccessControl settings,

PropertyAttribute attribute) = 0;

///

// Read the keys for the object's values into the specified vector. Integer-

// based keys will also be returned as strings.

///

/*--cef()--*/

virtual bool GetKeys(std::vector<CefString>& keys) = 0;

///

// Sets the user data for this object and returns true on success. Returns

// false if this method is called incorrectly. This method can only be called

// on user created objects.

///

/*--cef(optional_param=user_data)--*/

virtual bool SetUserData(CefRefPtr<CefBaseRefCounted> user_data) = 0;

///

// Returns the user data, if any, assigned to this object.

///

/*--cef()--*/

virtual CefRefPtr<CefBaseRefCounted> GetUserData() = 0;

///

// Returns the amount of externally allocated memory registered for the

// object.

///

/*--cef()--*/

virtual int GetExternallyAllocatedMemory() = 0;

///

// Adjusts the amount of registered external memory for the object. Used to

// give V8 an indication of the amount of externally allocated memory that is

// kept alive by JavaScript objects. V8 uses this information to decide when

// to perform global garbage collection. Each CefV8Value tracks the amount of

// external memory associated with it and automatically decreases the global

// total by the appropriate amount on its destruction. |change_in_bytes|

// specifies the number of bytes to adjust by. This method returns the number

// of bytes associated with the object after the adjustment. This method can

// only be called on user created objects.

///

/*--cef()--*/

virtual int AdjustExternallyAllocatedMemory(int change_in_bytes) = 0;

// ARRAY METHODS - These methods are only available on arrays.

///

// Returns the number of elements in the array.

///

/*--cef()--*/

virtual int GetArrayLength() = 0;

// ARRAY BUFFER METHODS - These methods are only available on ArrayBuffers.

///

// Returns the ReleaseCallback object associated with the ArrayBuffer or NULL

// if the ArrayBuffer was not created with CreateArrayBuffer.

///

/*--cef()--*/

virtual CefRefPtr<CefV8ArrayBufferReleaseCallback>

GetArrayBufferReleaseCallback() = 0;

///

// Prevent the ArrayBuffer from using it's memory block by setting the length

// to zero. This operation cannot be undone. If the ArrayBuffer was created

// with CreateArrayBuffer then CefV8ArrayBufferReleaseCallback::ReleaseBuffer

// will be called to release the underlying buffer.

///

/*--cef()--*/

virtual bool NeuterArrayBuffer() = 0;

// FUNCTION METHODS - These methods are only available on functions.

///

// Returns the function name.

///

/*--cef()--*/

virtual CefString GetFunctionName() = 0;

///

// Returns the function handler or NULL if not a CEF-created function.

///

/*--cef()--*/

virtual CefRefPtr<CefV8Handler> GetFunctionHandler() = 0;

///

// Execute the function using the current V8 context. This method should only

// be called from within the scope of a CefV8Handler or CefV8Accessor

// callback, or in combination with calling Enter() and Exit() on a stored

// CefV8Context reference. |object| is the receiver ('this' object) of the

// function. If |object| is empty the current context's global object will be

// used. |arguments| is the list of arguments that will be passed to the

// function. Returns the function return value on success. Returns NULL if

// this method is called incorrectly or an exception is thrown.

///

/*--cef(optional_param=object)--*/

virtual CefRefPtr<CefV8Value> ExecuteFunction(

CefRefPtr<CefV8Value> object,

const CefV8ValueList& arguments) = 0;

///

// Execute the function using the specified V8 context. |object| is the

// receiver ('this' object) of the function. If |object| is empty the

// specified context's global object will be used. |arguments| is the list of

// arguments that will be passed to the function. Returns the function return

// value on success. Returns NULL if this method is called incorrectly or an

// exception is thrown.

///

/*--cef(optional_param=object)--*/

virtual CefRefPtr<CefV8Value> ExecuteFunctionWithContext(

CefRefPtr<CefV8Context> context,

CefRefPtr<CefV8Value> object,

const CefV8ValueList& arguments) = 0;

public:

///

// Returns the stack trace for the currently active context. |frame_limit| is

// the maximum number of frames that will be captured.

///

/*--cef()--*/

static CefRefPtr<CefV8StackTrace> GetCurrent(int frame_limit);

///

// Returns true if the underlying handle is valid and it can be accessed on

// the current thread. Do not call any other methods if this method returns

// false.

///

/*--cef()--*/

virtual bool IsValid() = 0;

///

// Returns the number of stack frames.

///

/*--cef()--*/

virtual int GetFrameCount() = 0;

///

// Returns the stack frame at the specified 0-based index.

///

/*--cef()--*/

virtual CefRefPtr<CefV8StackFrame> GetFrame(int index) = 0;

public:

///

// Returns true if the underlying handle is valid and it can be accessed on

// the current thread. Do not call any other methods if this method returns

// false.

///

/*--cef()--*/

virtual bool IsValid() = 0;

///

// Returns the name of the resource script that contains the function.

///

/*--cef()--*/

virtual CefString GetScriptName() = 0;

///

// Returns the name of the resource script that contains the function or the

// sourceURL value if the script name is undefined and its source ends with

// a "//@ sourceURL=..." string.

///

/*--cef()--*/

virtual CefString GetScriptNameOrSourceURL() = 0;

///

// Returns the name of the function.

///

/*--cef()--*/

virtual CefString GetFunctionName() = 0;

///

// Returns the 1-based line number for the function call or 0 if unknown.

///

/*--cef()--*/

virtual int GetLineNumber() = 0;

///

// Returns the 1-based column offset on the line for the function call or 0 if

// unknown.

///

/*--cef()--*/

virtual int GetColumn() = 0;

///

// Returns true if the function was compiled using eval().

///

/*--cef()--*/

virtual bool IsEval() = 0;

///

// Returns true if the function was called as a constructor via "new".

///

/*--cef()--*/

virtual bool IsConstructor() = 0;