cef/include/capi/cef_v8_capi.h

914 lines
33 KiB
C

// Copyright (c) 2017 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "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 THE COPYRIGHT
// OWNER 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.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
#ifndef CEF_INCLUDE_CAPI_CEF_V8_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_V8_CAPI_H_
#pragma once
#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_browser_capi.h"
#include "include/capi/cef_frame_capi.h"
#include "include/capi/cef_task_capi.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _cef_v8exception_t;
struct _cef_v8handler_t;
struct _cef_v8stack_frame_t;
struct _cef_v8value_t;
///
// Structure representing a V8 context handle. V8 handles can only be accessed
// from the thread on which they are created. Valid threads for creating a V8
// handle include the render process main thread (TID_RENDERER) and WebWorker
// threads. A task runner for posting tasks on the associated thread can be
// retrieved via the cef_v8context_t::get_task_runner() function.
///
typedef struct _cef_v8context_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns the task runner associated with this context. V8 handles can only
// be accessed from the thread on which they are created. This function can be
// called on any render process thread.
///
struct _cef_task_runner_t* (CEF_CALLBACK *get_task_runner)(
struct _cef_v8context_t* self);
///
// Returns true (1) if the underlying handle is valid and it can be accessed
// on the current thread. Do not call any other functions if this function
// returns false (0).
///
int (CEF_CALLBACK *is_valid)(struct _cef_v8context_t* self);
///
// Returns the browser for this context. This function will return an NULL
// reference for WebWorker contexts.
///
struct _cef_browser_t* (CEF_CALLBACK *get_browser)(
struct _cef_v8context_t* self);
///
// Returns the frame for this context. This function will return an NULL
// reference for WebWorker contexts.
///
struct _cef_frame_t* (CEF_CALLBACK *get_frame)(struct _cef_v8context_t* self);
///
// Returns the global object for this context. The context must be entered
// before calling this function.
///
struct _cef_v8value_t* (CEF_CALLBACK *get_global)(
struct _cef_v8context_t* self);
///
// 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 (1)
// if the scope was entered successfully.
///
int (CEF_CALLBACK *enter)(struct _cef_v8context_t* self);
///
// Exit this context. Call this function only after calling enter(). Returns
// true (1) if the scope was exited successfully.
///
int (CEF_CALLBACK *exit)(struct _cef_v8context_t* self);
///
// Returns true (1) if this object is pointing to the same handle as |that|
// object.
///
int (CEF_CALLBACK *is_same)(struct _cef_v8context_t* self,
struct _cef_v8context_t* that);
///
// 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 (1). On failure |exception| will be set to the
// exception, if any, and the function will return false (0).
///
int (CEF_CALLBACK *eval)(struct _cef_v8context_t* self,
const cef_string_t* code, const cef_string_t* script_url, int start_line,
struct _cef_v8value_t** retval, struct _cef_v8exception_t** exception);
} cef_v8context_t;
///
// Returns the current (top) context object in the V8 context stack.
///
CEF_EXPORT cef_v8context_t* cef_v8context_get_current_context();
///
// Returns the entered (bottom) context object in the V8 context stack.
///
CEF_EXPORT cef_v8context_t* cef_v8context_get_entered_context();
///
// Returns true (1) if V8 is currently inside a context.
///
CEF_EXPORT int cef_v8context_in_context();
///
// Structure that should be implemented to handle V8 function calls. The
// functions of this structure will be called on the thread associated with the
// V8 function.
///
typedef struct _cef_v8handler_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// 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 (1) if execution was handled.
///
int (CEF_CALLBACK *execute)(struct _cef_v8handler_t* self,
const cef_string_t* name, struct _cef_v8value_t* object,
size_t argumentsCount, struct _cef_v8value_t* const* arguments,
struct _cef_v8value_t** retval, cef_string_t* exception);
} cef_v8handler_t;
///
// Structure that should be implemented to handle V8 accessor calls. Accessor
// identifiers are registered by calling cef_v8value_t::set_value(). The
// functions of this structure will be called on the thread associated with the
// V8 accessor.
///
typedef struct _cef_v8accessor_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// 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 (1) if accessor retrieval was
// handled.
///
int (CEF_CALLBACK *get)(struct _cef_v8accessor_t* self,
const cef_string_t* name, struct _cef_v8value_t* object,
struct _cef_v8value_t** retval, cef_string_t* exception);
///
// 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 (1) if accessor assignment was
// handled.
///
int (CEF_CALLBACK *set)(struct _cef_v8accessor_t* self,
const cef_string_t* name, struct _cef_v8value_t* object,
struct _cef_v8value_t* value, cef_string_t* exception);
} cef_v8accessor_t;
///
// Structure that should be implemented to handle V8 interceptor calls. The
// functions of this structure will be called on the thread associated with the
// V8 interceptor. Interceptor's named property handlers (with first argument of
// type CefString) are called when object is indexed by string. Indexed property
// handlers (with first argument of type int) are called when object is indexed
// by integer.
///
typedef struct _cef_v8interceptor_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// 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 (1)
// if interceptor retrieval was handled, false (0) otherwise.
///
int (CEF_CALLBACK *get_byname)(struct _cef_v8interceptor_t* self,
const cef_string_t* name, struct _cef_v8value_t* object,
struct _cef_v8value_t** retval, cef_string_t* exception);
///
// 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 (1) if
// interceptor retrieval was handled, false (0) otherwise.
///
int (CEF_CALLBACK *get_byindex)(struct _cef_v8interceptor_t* self, int index,
struct _cef_v8value_t* object, struct _cef_v8value_t** retval,
cef_string_t* exception);
///
// 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
// (1) if interceptor assignment was handled, false (0) otherwise.
///
int (CEF_CALLBACK *set_byname)(struct _cef_v8interceptor_t* self,
const cef_string_t* name, struct _cef_v8value_t* object,
struct _cef_v8value_t* value, cef_string_t* exception);
///
// 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 (1) if
// interceptor assignment was handled, false (0) otherwise.
///
int (CEF_CALLBACK *set_byindex)(struct _cef_v8interceptor_t* self, int index,
struct _cef_v8value_t* object, struct _cef_v8value_t* value,
cef_string_t* exception);
} cef_v8interceptor_t;
///
// Structure representing a V8 exception. The functions of this structure may be
// called on any render process thread.
///
typedef struct _cef_v8exception_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns the exception message.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_message)(
struct _cef_v8exception_t* self);
///
// Returns the line of source code that the exception occurred within.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_source_line)(
struct _cef_v8exception_t* self);
///
// Returns the resource name for the script from where the function causing
// the error originates.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_script_resource_name)(
struct _cef_v8exception_t* self);
///
// Returns the 1-based number of the line where the error occurred or 0 if the
// line number is unknown.
///
int (CEF_CALLBACK *get_line_number)(struct _cef_v8exception_t* self);
///
// Returns the index within the script of the first character where the error
// occurred.
///
int (CEF_CALLBACK *get_start_position)(struct _cef_v8exception_t* self);
///
// Returns the index within the script of the last character where the error
// occurred.
///
int (CEF_CALLBACK *get_end_position)(struct _cef_v8exception_t* self);
///
// Returns the index within the line of the first character where the error
// occurred.
///
int (CEF_CALLBACK *get_start_column)(struct _cef_v8exception_t* self);
///
// Returns the index within the line of the last character where the error
// occurred.
///
int (CEF_CALLBACK *get_end_column)(struct _cef_v8exception_t* self);
} cef_v8exception_t;
///
// Structure representing a V8 value handle. V8 handles can only be accessed
// from the thread on which they are created. Valid threads for creating a V8
// handle include the render process main thread (TID_RENDERER) and WebWorker
// threads. A task runner for posting tasks on the associated thread can be
// retrieved via the cef_v8context_t::get_task_runner() function.
///
typedef struct _cef_v8value_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns true (1) if the underlying handle is valid and it can be accessed
// on the current thread. Do not call any other functions if this function
// returns false (0).
///
int (CEF_CALLBACK *is_valid)(struct _cef_v8value_t* self);
///
// True if the value type is undefined.
///
int (CEF_CALLBACK *is_undefined)(struct _cef_v8value_t* self);
///
// True if the value type is null.
///
int (CEF_CALLBACK *is_null)(struct _cef_v8value_t* self);
///
// True if the value type is bool.
///
int (CEF_CALLBACK *is_bool)(struct _cef_v8value_t* self);
///
// True if the value type is int.
///
int (CEF_CALLBACK *is_int)(struct _cef_v8value_t* self);
///
// True if the value type is unsigned int.
///
int (CEF_CALLBACK *is_uint)(struct _cef_v8value_t* self);
///
// True if the value type is double.
///
int (CEF_CALLBACK *is_double)(struct _cef_v8value_t* self);
///
// True if the value type is Date.
///
int (CEF_CALLBACK *is_date)(struct _cef_v8value_t* self);
///
// True if the value type is string.
///
int (CEF_CALLBACK *is_string)(struct _cef_v8value_t* self);
///
// True if the value type is object.
///
int (CEF_CALLBACK *is_object)(struct _cef_v8value_t* self);
///
// True if the value type is array.
///
int (CEF_CALLBACK *is_array)(struct _cef_v8value_t* self);
///
// True if the value type is function.
///
int (CEF_CALLBACK *is_function)(struct _cef_v8value_t* self);
///
// Returns true (1) if this object is pointing to the same handle as |that|
// object.
///
int (CEF_CALLBACK *is_same)(struct _cef_v8value_t* self,
struct _cef_v8value_t* that);
///
// Return a bool value.
///
int (CEF_CALLBACK *get_bool_value)(struct _cef_v8value_t* self);
///
// Return an int value.
///
int32 (CEF_CALLBACK *get_int_value)(struct _cef_v8value_t* self);
///
// Return an unsigned int value.
///
uint32 (CEF_CALLBACK *get_uint_value)(struct _cef_v8value_t* self);
///
// Return a double value.
///
double (CEF_CALLBACK *get_double_value)(struct _cef_v8value_t* self);
///
// Return a Date value.
///
cef_time_t (CEF_CALLBACK *get_date_value)(struct _cef_v8value_t* self);
///
// Return a string value.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_string_value)(
struct _cef_v8value_t* self);
// OBJECT METHODS - These functions 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 (1) if this is a user created object.
///
int (CEF_CALLBACK *is_user_created)(struct _cef_v8value_t* self);
///
// Returns true (1) if the last function call resulted in an exception. This
// attribute exists only in the scope of the current CEF value object.
///
int (CEF_CALLBACK *has_exception)(struct _cef_v8value_t* self);
///
// Returns the exception resulting from the last function call. This attribute
// exists only in the scope of the current CEF value object.
///
struct _cef_v8exception_t* (CEF_CALLBACK *get_exception)(
struct _cef_v8value_t* self);
///
// Clears the last exception and returns true (1) on success.
///
int (CEF_CALLBACK *clear_exception)(struct _cef_v8value_t* self);
///
// Returns true (1) if this object will re-throw future exceptions. This
// attribute exists only in the scope of the current CEF value object.
///
int (CEF_CALLBACK *will_rethrow_exceptions)(struct _cef_v8value_t* self);
///
// 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 (1) on success. This attribute
// exists only in the scope of the current CEF value object.
///
int (CEF_CALLBACK *set_rethrow_exceptions)(struct _cef_v8value_t* self,
int rethrow);
///
// Returns true (1) if the object has a value with the specified identifier.
///
int (CEF_CALLBACK *has_value_bykey)(struct _cef_v8value_t* self,
const cef_string_t* key);
///
// Returns true (1) if the object has a value with the specified identifier.
///
int (CEF_CALLBACK *has_value_byindex)(struct _cef_v8value_t* self, int index);
///
// Deletes the value with the specified identifier and returns true (1) on
// success. Returns false (0) if this function is called incorrectly or an
// exception is thrown. For read-only and don't-delete values this function
// will return true (1) even though deletion failed.
///
int (CEF_CALLBACK *delete_value_bykey)(struct _cef_v8value_t* self,
const cef_string_t* key);
///
// Deletes the value with the specified identifier and returns true (1) on
// success. Returns false (0) if this function is called incorrectly, deletion
// fails or an exception is thrown. For read-only and don't-delete values this
// function will return true (1) even though deletion failed.
///
int (CEF_CALLBACK *delete_value_byindex)(struct _cef_v8value_t* self,
int index);
///
// Returns the value with the specified identifier on success. Returns NULL if
// this function is called incorrectly or an exception is thrown.
///
struct _cef_v8value_t* (CEF_CALLBACK *get_value_bykey)(
struct _cef_v8value_t* self, const cef_string_t* key);
///
// Returns the value with the specified identifier on success. Returns NULL if
// this function is called incorrectly or an exception is thrown.
///
struct _cef_v8value_t* (CEF_CALLBACK *get_value_byindex)(
struct _cef_v8value_t* self, int index);
///
// Associates a value with the specified identifier and returns true (1) on
// success. Returns false (0) if this function is called incorrectly or an
// exception is thrown. For read-only values this function will return true
// (1) even though assignment failed.
///
int (CEF_CALLBACK *set_value_bykey)(struct _cef_v8value_t* self,
const cef_string_t* key, struct _cef_v8value_t* value,
cef_v8_propertyattribute_t attribute);
///
// Associates a value with the specified identifier and returns true (1) on
// success. Returns false (0) if this function is called incorrectly or an
// exception is thrown. For read-only values this function will return true
// (1) even though assignment failed.
///
int (CEF_CALLBACK *set_value_byindex)(struct _cef_v8value_t* self, int index,
struct _cef_v8value_t* value);
///
// Registers an identifier and returns true (1) on success. Access to the
// identifier will be forwarded to the cef_v8accessor_t instance passed to
// cef_v8value_t::cef_v8value_create_object(). Returns false (0) if this
// function is called incorrectly or an exception is thrown. For read-only
// values this function will return true (1) even though assignment failed.
///
int (CEF_CALLBACK *set_value_byaccessor)(struct _cef_v8value_t* self,
const cef_string_t* key, cef_v8_accesscontrol_t settings,
cef_v8_propertyattribute_t attribute);
///
// Read the keys for the object's values into the specified vector. Integer-
// based keys will also be returned as strings.
///
int (CEF_CALLBACK *get_keys)(struct _cef_v8value_t* self,
cef_string_list_t keys);
///
// Sets the user data for this object and returns true (1) on success. Returns
// false (0) if this function is called incorrectly. This function can only be
// called on user created objects.
///
int (CEF_CALLBACK *set_user_data)(struct _cef_v8value_t* self,
struct _cef_base_ref_counted_t* user_data);
///
// Returns the user data, if any, assigned to this object.
///
struct _cef_base_ref_counted_t* (CEF_CALLBACK *get_user_data)(
struct _cef_v8value_t* self);
///
// Returns the amount of externally allocated memory registered for the
// object.
///
int (CEF_CALLBACK *get_externally_allocated_memory)(
struct _cef_v8value_t* self);
///
// 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 cef_v8value_t 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 function
// returns the number of bytes associated with the object after the
// adjustment. This function can only be called on user created objects.
///
int (CEF_CALLBACK *adjust_externally_allocated_memory)(
struct _cef_v8value_t* self, int change_in_bytes);
// ARRAY METHODS - These functions are only available on arrays.
///
// Returns the number of elements in the array.
///
int (CEF_CALLBACK *get_array_length)(struct _cef_v8value_t* self);
// FUNCTION METHODS - These functions are only available on functions.
///
// Returns the function name.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_function_name)(
struct _cef_v8value_t* self);
///
// Returns the function handler or NULL if not a CEF-created function.
///
struct _cef_v8handler_t* (CEF_CALLBACK *get_function_handler)(
struct _cef_v8value_t* self);
///
// Execute the function using the current V8 context. This function should
// only be called from within the scope of a cef_v8handler_t or
// cef_v8accessor_t callback, or in combination with calling enter() and
// exit() on a stored cef_v8context_t reference. |object| is the receiver
// ('this' object) of the function. If |object| is NULL 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 function is called incorrectly or an exception is
// thrown.
///
struct _cef_v8value_t* (CEF_CALLBACK *execute_function)(
struct _cef_v8value_t* self, struct _cef_v8value_t* object,
size_t argumentsCount, struct _cef_v8value_t* const* arguments);
///
// Execute the function using the specified V8 context. |object| is the
// receiver ('this' object) of the function. If |object| is NULL 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 function is called incorrectly or an
// exception is thrown.
///
struct _cef_v8value_t* (CEF_CALLBACK *execute_function_with_context)(
struct _cef_v8value_t* self, struct _cef_v8context_t* context,
struct _cef_v8value_t* object, size_t argumentsCount,
struct _cef_v8value_t* const* arguments);
} cef_v8value_t;
///
// Create a new cef_v8value_t object of type undefined.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_undefined();
///
// Create a new cef_v8value_t object of type null.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_null();
///
// Create a new cef_v8value_t object of type bool.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_bool(int value);
///
// Create a new cef_v8value_t object of type int.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_int(int32 value);
///
// Create a new cef_v8value_t object of type unsigned int.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_uint(uint32 value);
///
// Create a new cef_v8value_t object of type double.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_double(double value);
///
// Create a new cef_v8value_t object of type Date. This function should only be
// called from within the scope of a cef_render_process_handler_t,
// cef_v8handler_t or cef_v8accessor_t callback, or in combination with calling
// enter() and exit() on a stored cef_v8context_t reference.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_date(const cef_time_t* date);
///
// Create a new cef_v8value_t object of type string.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_string(const cef_string_t* value);
///
// Create a new cef_v8value_t object of type object with optional accessor
// and/or interceptor. This function should only be called from within the scope
// of a cef_render_process_handler_t, cef_v8handler_t or cef_v8accessor_t
// callback, or in combination with calling enter() and exit() on a stored
// cef_v8context_t reference.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_object(cef_v8accessor_t* accessor,
cef_v8interceptor_t* interceptor);
///
// Create a new cef_v8value_t object of type array with the specified |length|.
// If |length| is negative the returned array will have length 0. This function
// should only be called from within the scope of a
// cef_render_process_handler_t, cef_v8handler_t or cef_v8accessor_t callback,
// or in combination with calling enter() and exit() on a stored cef_v8context_t
// reference.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_array(int length);
///
// Create a new cef_v8value_t object of type function. This function should only
// be called from within the scope of a cef_render_process_handler_t,
// cef_v8handler_t or cef_v8accessor_t callback, or in combination with calling
// enter() and exit() on a stored cef_v8context_t reference.
///
CEF_EXPORT cef_v8value_t* cef_v8value_create_function(const cef_string_t* name,
cef_v8handler_t* handler);
///
// Structure representing a V8 stack trace handle. V8 handles can only be
// accessed from the thread on which they are created. Valid threads for
// creating a V8 handle include the render process main thread (TID_RENDERER)
// and WebWorker threads. A task runner for posting tasks on the associated
// thread can be retrieved via the cef_v8context_t::get_task_runner() function.
///
typedef struct _cef_v8stack_trace_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns true (1) if the underlying handle is valid and it can be accessed
// on the current thread. Do not call any other functions if this function
// returns false (0).
///
int (CEF_CALLBACK *is_valid)(struct _cef_v8stack_trace_t* self);
///
// Returns the number of stack frames.
///
int (CEF_CALLBACK *get_frame_count)(struct _cef_v8stack_trace_t* self);
///
// Returns the stack frame at the specified 0-based index.
///
struct _cef_v8stack_frame_t* (CEF_CALLBACK *get_frame)(
struct _cef_v8stack_trace_t* self, int index);
} cef_v8stack_trace_t;
///
// Returns the stack trace for the currently active context. |frame_limit| is
// the maximum number of frames that will be captured.
///
CEF_EXPORT cef_v8stack_trace_t* cef_v8stack_trace_get_current(int frame_limit);
///
// Structure representing a V8 stack frame handle. V8 handles can only be
// accessed from the thread on which they are created. Valid threads for
// creating a V8 handle include the render process main thread (TID_RENDERER)
// and WebWorker threads. A task runner for posting tasks on the associated
// thread can be retrieved via the cef_v8context_t::get_task_runner() function.
///
typedef struct _cef_v8stack_frame_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns true (1) if the underlying handle is valid and it can be accessed
// on the current thread. Do not call any other functions if this function
// returns false (0).
///
int (CEF_CALLBACK *is_valid)(struct _cef_v8stack_frame_t* self);
///
// Returns the name of the resource script that contains the function.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_script_name)(
struct _cef_v8stack_frame_t* self);
///
// 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.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_script_name_or_source_url)(
struct _cef_v8stack_frame_t* self);
///
// Returns the name of the function.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_function_name)(
struct _cef_v8stack_frame_t* self);
///
// Returns the 1-based line number for the function call or 0 if unknown.
///
int (CEF_CALLBACK *get_line_number)(struct _cef_v8stack_frame_t* self);
///
// Returns the 1-based column offset on the line for the function call or 0 if
// unknown.
///
int (CEF_CALLBACK *get_column)(struct _cef_v8stack_frame_t* self);
///
// Returns true (1) if the function was compiled using eval().
///
int (CEF_CALLBACK *is_eval)(struct _cef_v8stack_frame_t* self);
///
// Returns true (1) if the function was called as a constructor via "new".
///
int (CEF_CALLBACK *is_constructor)(struct _cef_v8stack_frame_t* self);
} cef_v8stack_frame_t;
///
// Register a new V8 extension with the specified JavaScript extension code and
// handler. Functions implemented by the handler are prototyped using the
// keyword 'native'. The calling of a native function is restricted to the scope
// in which the prototype of the native function is defined. This function may
// only be called on the render process main thread.
//
// Example JavaScript extension code: <pre>
// // create the 'example' global object if it doesn't already exist.
// if (!example)
// example = {};
// // create the 'example.test' global object if it doesn't already exist.
// if (!example.test)
// example.test = {};
// (function() {
// // Define the function 'example.test.myfunction'.
// example.test.myfunction = function() {
// // Call CefV8Handler::Execute() with the function name 'MyFunction'
// // and no arguments.
// native function MyFunction();
// return MyFunction();
// };
// // Define the getter function for parameter 'example.test.myparam'.
// example.test.__defineGetter__('myparam', function() {
// // Call CefV8Handler::Execute() with the function name 'GetMyParam'
// // and no arguments.
// native function GetMyParam();
// return GetMyParam();
// });
// // Define the setter function for parameter 'example.test.myparam'.
// example.test.__defineSetter__('myparam', function(b) {
// // Call CefV8Handler::Execute() with the function name 'SetMyParam'
// // and a single argument.
// native function SetMyParam();
// if(b) SetMyParam(b);
// });
//
// // Extension definitions can also contain normal JavaScript variables
// // and functions.
// var myint = 0;
// example.test.increment = function() {
// myint += 1;
// return myint;
// };
// })();
// </pre> Example usage in the page: <pre>
// // Call the function.
// example.test.myfunction();
// // Set the parameter.
// example.test.myparam = value;
// // Get the parameter.
// value = example.test.myparam;
// // Call another function.
// example.test.increment();
// </pre>
///
CEF_EXPORT int cef_register_extension(const cef_string_t* extension_name,
const cef_string_t* javascript_code, cef_v8handler_t* handler);
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_CEF_V8_CAPI_H_