mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-24 08:02:15 +02:00
495 lines
16 KiB
ObjectPascal
495 lines
16 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2017 Salvador Díaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFv8Value;
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{$IFNDEF CPUX64}
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{$ALIGN ON}
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{$MINENUMSIZE 4}
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{$ENDIF}
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{$I cef.inc}
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interface
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uses
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{$IFDEF DELPHI16_UP}
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System.Classes,
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{$ELSE}
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Classes,
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{$ENDIF}
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFv8Types;
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type
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TCefv8ValueRef = class(TCefBaseRefCountedRef, ICefv8Value)
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protected
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function IsValid: Boolean;
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function IsUndefined: Boolean;
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function IsNull: Boolean;
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function IsBool: Boolean;
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function IsInt: Boolean;
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function IsUInt: Boolean;
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function IsDouble: Boolean;
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function IsDate: Boolean;
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function IsString: Boolean;
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function IsObject: Boolean;
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function IsArray: Boolean;
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function IsFunction: Boolean;
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function IsSame(const that: ICefv8Value): Boolean;
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function GetBoolValue: Boolean;
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function GetIntValue: Integer;
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function GetUIntValue: Cardinal;
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function GetDoubleValue: Double;
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function GetDateValue: TDateTime;
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function GetStringValue: ustring;
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function IsUserCreated: Boolean;
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function HasException: Boolean;
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function GetException: ICefV8Exception;
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function ClearException: Boolean;
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function WillRethrowExceptions: Boolean;
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function SetRethrowExceptions(rethrow: Boolean): Boolean;
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function HasValueByKey(const key: ustring): Boolean;
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function HasValueByIndex(index: Integer): Boolean;
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function DeleteValueByKey(const key: ustring): Boolean;
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function DeleteValueByIndex(index: Integer): Boolean;
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function GetValueByKey(const key: ustring): ICefv8Value;
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function GetValueByIndex(index: Integer): ICefv8Value;
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function SetValueByKey(const key: ustring; const value: ICefv8Value; attribute: TCefV8PropertyAttributes): Boolean;
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function SetValueByIndex(index: Integer; const value: ICefv8Value): Boolean;
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function SetValueByAccessor(const key: ustring; settings: TCefV8AccessControls; attribute: TCefV8PropertyAttributes): Boolean;
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function GetKeys(const keys: TStrings): Integer;
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function SetUserData(const data: ICefv8Value): Boolean;
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function GetUserData: ICefv8Value;
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function GetExternallyAllocatedMemory: Integer;
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function AdjustExternallyAllocatedMemory(changeInBytes: Integer): Integer;
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function GetArrayLength: Integer;
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function GetFunctionName: ustring;
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function GetFunctionHandler: ICefv8Handler;
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function ExecuteFunction(const obj: ICefv8Value; const arguments: TCefv8ValueArray): ICefv8Value;
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function ExecuteFunctionWithContext(const context: ICefv8Context; const obj: ICefv8Value; const arguments: TCefv8ValueArray): ICefv8Value;
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public
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class function UnWrap(data: Pointer): ICefv8Value;
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class function NewUndefined: ICefv8Value;
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class function NewNull: ICefv8Value;
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class function NewBool(value: Boolean): ICefv8Value;
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class function NewInt(value: Integer): ICefv8Value;
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class function NewUInt(value: Cardinal): ICefv8Value;
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class function NewDouble(value: Double): ICefv8Value;
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class function NewDate(value: TDateTime): ICefv8Value;
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class function NewString(const str: ustring): ICefv8Value;
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class function NewObject(const Accessor: ICefV8Accessor; const Interceptor: ICefV8Interceptor): ICefv8Value;
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class function NewObjectProc(const getter: TCefV8AccessorGetterProc;
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const setter: TCefV8AccessorSetterProc;
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const getterbyname : TCefV8InterceptorGetterByNameProc;
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const setterbyname : TCefV8InterceptorSetterByNameProc;
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const getterbyindex : TCefV8InterceptorGetterByIndexProc;
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const setterbyindex : TCefV8InterceptorSetterByIndexProc): ICefv8Value;
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class function NewArray(len: Integer): ICefv8Value;
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class function NewFunction(const name: ustring; const handler: ICefv8Handler): ICefv8Value;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFv8Accessor, uCEFv8Handler, uCEFv8Exception, uCEFv8Interceptor;
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function TCefv8ValueRef.AdjustExternallyAllocatedMemory(changeInBytes: Integer): Integer;
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begin
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Result := PCefV8Value(FData)^.adjust_externally_allocated_memory(PCefV8Value(FData), changeInBytes);
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end;
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class function TCefv8ValueRef.NewArray(len: Integer): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_array(len));
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end;
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class function TCefv8ValueRef.NewBool(value: Boolean): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_bool(Ord(value)));
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end;
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class function TCefv8ValueRef.NewDate(value: TDateTime): ICefv8Value;
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var
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dt: TCefTime;
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begin
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dt := DateTimeToCefTime(value);
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Result := UnWrap(cef_v8value_create_date(@dt));
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end;
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class function TCefv8ValueRef.NewDouble(value: Double): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_double(value));
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end;
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class function TCefv8ValueRef.NewFunction(const name: ustring;
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const handler: ICefv8Handler): ICefv8Value;
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var
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n: TCefString;
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begin
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n := CefString(name);
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Result := UnWrap(cef_v8value_create_function(@n, CefGetData(handler)));
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end;
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class function TCefv8ValueRef.NewInt(value: Integer): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_int(value));
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end;
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class function TCefv8ValueRef.NewUInt(value: Cardinal): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_uint(value));
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end;
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class function TCefv8ValueRef.NewNull: ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_null);
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end;
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class function TCefv8ValueRef.NewObject(const Accessor: ICefV8Accessor; const Interceptor: ICefV8Interceptor): ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_object(CefGetData(Accessor), CefGetData(Interceptor)));
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end;
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class function TCefv8ValueRef.NewObjectProc(const getter: TCefV8AccessorGetterProc;
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const setter: TCefV8AccessorSetterProc;
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const getterbyname : TCefV8InterceptorGetterByNameProc;
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const setterbyname : TCefV8InterceptorSetterByNameProc;
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const getterbyindex : TCefV8InterceptorGetterByIndexProc;
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const setterbyindex : TCefV8InterceptorSetterByIndexProc): ICefv8Value;
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begin
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Result := NewObject(TCefFastV8Accessor.Create(getter, setter) as ICefV8Accessor,
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TCefFastV8Interceptor.Create(getterbyname, setterbyname, getterbyindex, setterbyindex) as ICefV8Interceptor);
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end;
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class function TCefv8ValueRef.NewString(const str: ustring): ICefv8Value;
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var
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s: TCefString;
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begin
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s := CefString(str);
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Result := UnWrap(cef_v8value_create_string(@s));
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end;
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class function TCefv8ValueRef.NewUndefined: ICefv8Value;
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begin
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Result := UnWrap(cef_v8value_create_undefined);
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end;
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function TCefv8ValueRef.DeleteValueByIndex(index: Integer): Boolean;
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begin
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Result := PCefV8Value(FData)^.delete_value_byindex(PCefV8Value(FData), index) <> 0;
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end;
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function TCefv8ValueRef.DeleteValueByKey(const key: ustring): Boolean;
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var
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k: TCefString;
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begin
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k := CefString(key);
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Result := PCefV8Value(FData)^.delete_value_bykey(PCefV8Value(FData), @k) <> 0;
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end;
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function TCefv8ValueRef.ExecuteFunction(const obj: ICefv8Value;
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const arguments: TCefv8ValueArray): ICefv8Value;
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var
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args: PPCefV8Value;
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i: Integer;
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begin
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GetMem(args, SizeOf(PCefV8Value) * Length(arguments));
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try
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for i := 0 to Length(arguments) - 1 do
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args[i] := CefGetData(arguments[i]);
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Result := TCefv8ValueRef.UnWrap(PCefV8Value(FData)^.execute_function(PCefV8Value(FData),
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CefGetData(obj), Length(arguments), args));
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finally
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FreeMem(args);
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end;
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end;
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function TCefv8ValueRef.ExecuteFunctionWithContext(const context: ICefv8Context;
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const obj: ICefv8Value; const arguments: TCefv8ValueArray): ICefv8Value;
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var
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args: PPCefV8Value;
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i: Integer;
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begin
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GetMem(args, SizeOf(PCefV8Value) * Length(arguments));
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try
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for i := 0 to Length(arguments) - 1 do
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args[i] := CefGetData(arguments[i]);
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Result := TCefv8ValueRef.UnWrap(PCefV8Value(FData)^.execute_function_with_context(PCefV8Value(FData),
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CefGetData(context), CefGetData(obj), Length(arguments), args));
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finally
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FreeMem(args);
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end;
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end;
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function TCefv8ValueRef.GetArrayLength: Integer;
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begin
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Result := PCefV8Value(FData)^.get_array_length(PCefV8Value(FData));
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end;
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function TCefv8ValueRef.GetBoolValue: Boolean;
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begin
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Result := PCefV8Value(FData)^.get_bool_value(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.GetDateValue: TDateTime;
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begin
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Result := CefTimeToDateTime(PCefV8Value(FData)^.get_date_value(PCefV8Value(FData)));
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end;
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function TCefv8ValueRef.GetDoubleValue: Double;
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begin
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Result := PCefV8Value(FData)^.get_double_value(PCefV8Value(FData));
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end;
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function TCefv8ValueRef.GetExternallyAllocatedMemory: Integer;
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begin
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Result := PCefV8Value(FData)^.get_externally_allocated_memory(PCefV8Value(FData));
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end;
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function TCefv8ValueRef.GetFunctionHandler: ICefv8Handler;
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begin
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Result := TCefv8HandlerRef.UnWrap(PCefV8Value(FData)^.get_function_handler(PCefV8Value(FData)));
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end;
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function TCefv8ValueRef.GetFunctionName: ustring;
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begin
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Result := CefStringFreeAndGet(PCefV8Value(FData)^.get_function_name(PCefV8Value(FData)))
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end;
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function TCefv8ValueRef.GetIntValue: Integer;
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begin
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Result := PCefV8Value(FData)^.get_int_value(PCefV8Value(FData))
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end;
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function TCefv8ValueRef.GetUIntValue: Cardinal;
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begin
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Result := PCefV8Value(FData)^.get_uint_value(PCefV8Value(FData))
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end;
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function TCefv8ValueRef.GetKeys(const keys: TStrings): Integer;
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var
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list: TCefStringList;
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i: Integer;
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str: TCefString;
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begin
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list := cef_string_list_alloc;
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try
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Result := PCefV8Value(FData)^.get_keys(PCefV8Value(FData), list);
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FillChar(str, SizeOf(str), 0);
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for i := 0 to cef_string_list_size(list) - 1 do
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begin
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FillChar(str, SizeOf(str), 0);
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cef_string_list_value(list, i, @str);
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keys.Add(CefStringClearAndGet(str));
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end;
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finally
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cef_string_list_free(list);
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end;
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end;
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function TCefv8ValueRef.SetUserData(const data: ICefv8Value): Boolean;
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begin
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Result := PCefV8Value(FData)^.set_user_data(PCefV8Value(FData), CefGetData(data)) <> 0;
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end;
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function TCefv8ValueRef.GetStringValue: ustring;
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begin
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Result := CefStringFreeAndGet(PCefV8Value(FData)^.get_string_value(PCefV8Value(FData)));
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end;
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function TCefv8ValueRef.IsUserCreated: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_user_created(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsValid: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_valid(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.HasException: Boolean;
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begin
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Result := PCefV8Value(FData)^.has_exception(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.GetException: ICefV8Exception;
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begin
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Result := TCefV8ExceptionRef.UnWrap(PCefV8Value(FData)^.get_exception(PCefV8Value(FData)));
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end;
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function TCefv8ValueRef.ClearException: Boolean;
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begin
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Result := PCefV8Value(FData)^.clear_exception(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.WillRethrowExceptions: Boolean;
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begin
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Result := PCefV8Value(FData)^.will_rethrow_exceptions(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.SetRethrowExceptions(rethrow: Boolean): Boolean;
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begin
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Result := PCefV8Value(FData)^.set_rethrow_exceptions(PCefV8Value(FData), Ord(rethrow)) <> 0;
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end;
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function TCefv8ValueRef.GetUserData: ICefv8Value;
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begin
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Result := TCefv8ValueRef.UnWrap(PCefV8Value(FData)^.get_user_data(PCefV8Value(FData)));
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end;
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function TCefv8ValueRef.GetValueByIndex(index: Integer): ICefv8Value;
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begin
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Result := TCefv8ValueRef.UnWrap(PCefV8Value(FData)^.get_value_byindex(PCefV8Value(FData), index))
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end;
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function TCefv8ValueRef.GetValueByKey(const key: ustring): ICefv8Value;
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var
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k: TCefString;
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begin
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k := CefString(key);
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Result := TCefv8ValueRef.UnWrap(PCefV8Value(FData)^.get_value_bykey(PCefV8Value(FData), @k))
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end;
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function TCefv8ValueRef.HasValueByIndex(index: Integer): Boolean;
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begin
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Result := PCefV8Value(FData)^.has_value_byindex(PCefV8Value(FData), index) <> 0;
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end;
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function TCefv8ValueRef.HasValueByKey(const key: ustring): Boolean;
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var
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k: TCefString;
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begin
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k := CefString(key);
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Result := PCefV8Value(FData)^.has_value_bykey(PCefV8Value(FData), @k) <> 0;
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end;
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function TCefv8ValueRef.IsArray: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_array(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsBool: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_bool(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsDate: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_date(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsDouble: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_double(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsFunction: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_function(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsInt: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_int(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsUInt: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_uint(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsNull: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_null(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsObject: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_object(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsSame(const that: ICefv8Value): Boolean;
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begin
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Result := PCefV8Value(FData)^.is_same(PCefV8Value(FData), CefGetData(that)) <> 0;
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end;
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function TCefv8ValueRef.IsString: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_string(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.IsUndefined: Boolean;
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begin
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Result := PCefV8Value(FData)^.is_undefined(PCefV8Value(FData)) <> 0;
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end;
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function TCefv8ValueRef.SetValueByAccessor(const key: ustring;
|
|
settings: TCefV8AccessControls; attribute: TCefV8PropertyAttributes): Boolean;
|
|
var
|
|
k: TCefString;
|
|
begin
|
|
k := CefString(key);
|
|
Result:= PCefV8Value(FData)^.set_value_byaccessor(PCefV8Value(FData), @k,
|
|
PByte(@settings)^, PByte(@attribute)^) <> 0;
|
|
end;
|
|
|
|
function TCefv8ValueRef.SetValueByIndex(index: Integer;
|
|
const value: ICefv8Value): Boolean;
|
|
begin
|
|
Result:= PCefV8Value(FData)^.set_value_byindex(PCefV8Value(FData), index, CefGetData(value)) <> 0;
|
|
end;
|
|
|
|
function TCefv8ValueRef.SetValueByKey(const key: ustring;
|
|
const value: ICefv8Value; attribute: TCefV8PropertyAttributes): Boolean;
|
|
var
|
|
k: TCefString;
|
|
begin
|
|
k := CefString(key);
|
|
Result:= PCefV8Value(FData)^.set_value_bykey(PCefV8Value(FData), @k,
|
|
CefGetData(value), PByte(@attribute)^) <> 0;
|
|
end;
|
|
|
|
class function TCefv8ValueRef.UnWrap(data: Pointer): ICefv8Value;
|
|
begin
|
|
if data <> nil then
|
|
Result := Create(data) as ICefv8Value else
|
|
Result := nil;
|
|
end;
|
|
|
|
end.
|