mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-16 00:05:55 +01:00
1231 lines
43 KiB
ObjectPascal
1231 lines
43 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 uCEFMiscFunctions;
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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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WinApi.Windows, System.Classes, System.SysUtils, System.UITypes, WinApi.ActiveX, System.Math,
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{$ELSE}
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Windows, Classes, SysUtils, Controls, ActiveX, Math,
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{$ENDIF}
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uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFResourceHandler, uCEFGetGeolocationCallback;
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const
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Kernel32DLL = 'kernel32.dll';
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SHLWAPIDLL = 'shlwapi.dll';
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procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStringList); overload;
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procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStrings); overload;
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function CefColorGetA(color: TCefColor): Byte;
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function CefColorGetR(color: TCefColor): byte;
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function CefColorGetG(color: TCefColor): Byte;
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function CefColorGetB(color: TCefColor): Byte;
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function CefColorSetARGB(a, r, g, b: Byte): TCefColor;
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function CefInt64Set(int32_low, int32_high: Integer): Int64;
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function CefInt64GetLow(const int64_val: Int64): Integer;
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function CefInt64GetHigh(const int64_val: Int64): Integer;
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function CefGetObject(ptr: Pointer): TObject; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
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function CefGetData(const i: ICefBaseRefCounted): Pointer; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
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function CefStringAlloc(const str: ustring): TCefString;
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function CefStringClearAndGet(var str: TCefString): ustring;
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function CefString(const str: ustring): TCefString; overload;
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function CefString(const str: PCefString): ustring; overload;
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function CefUserFreeString(const str: ustring): PCefStringUserFree;
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procedure CefStringFree(const str: PCefString);
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function CefStringFreeAndGet(const str: PCefStringUserFree): ustring;
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procedure CefStringSet(const str: PCefString; const value: ustring);
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function CefExecuteProcess(var app : ICefApp; aWindowsSandboxInfo : Pointer = nil) : integer;
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function CefRegisterExtension(const name, code: ustring; const Handler: ICefv8Handler): Boolean;
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procedure CefPostTask(ThreadId: TCefThreadId; const task: ICefTask);
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procedure CefPostDelayedTask(ThreadId: TCefThreadId; const task: ICefTask; delayMs: Int64);
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function CefTimeToSystemTime(const dt: TCefTime): TSystemTime;
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function SystemTimeToCefTime(const dt: TSystemTime): TCefTime;
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function CefTimeToDateTime(const dt: TCefTime): TDateTime;
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function DateTimeToCefTime(dt: TDateTime): TCefTime;
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function cef_string_wide_copy(const src: PWideChar; src_len: NativeUInt; output: PCefStringWide): Integer;
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function cef_string_utf8_copy(const src: PAnsiChar; src_len: NativeUInt; output: PCefStringUtf8): Integer;
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function cef_string_utf16_copy(const src: PChar16; src_len: NativeUInt; output: PCefStringUtf16): Integer;
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function cef_string_copy(const src: PCefChar; src_len: NativeUInt; output: PCefString): Integer;
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procedure WindowInfoAsChild(var aWindowInfo : TCefWindowInfo; aParent : THandle; aRect : TRect; const aWindowName : string = '');
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procedure WindowInfoAsPopUp(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string = '');
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procedure WindowInfoAsWindowless(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string = '');
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function TzSpecificLocalTimeToSystemTime(lpTimeZoneInformation: PTimeZoneInformation; lpLocalTime, lpUniversalTime: PSystemTime): BOOL; stdcall; external Kernel32DLL;
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function SystemTimeToTzSpecificLocalTime(lpTimeZoneInformation: PTimeZoneInformation; lpUniversalTime, lpLocalTime: PSystemTime): BOOL; stdcall; external Kernel32DLL;
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function PathIsRelativeAnsi(pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeA';
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function PathIsRelativeUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeW';
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function CustomPathIsRelative(const aPath : string) : boolean;
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function CefIsCertStatusError(Status : TCefCertStatus) : boolean;
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function CefIsCertStatusMinorError(Status : TCefCertStatus) : boolean;
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function CefCrashReportingEnabled : boolean;
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procedure CefSetCrashKeyValue(const aKey, aValue : ustring);
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procedure CefLog(const aFile : string; aLine, aSeverity : integer; const aMessage : string);
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procedure OutputDebugMessage(const aMessage : string);
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function CustomExceptionHandler(const aFunctionName : string; const aException : exception) : boolean;
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function CefRegisterSchemeHandlerFactory(const SchemeName, HostName: ustring; const handler: TCefResourceHandlerClass): Boolean;
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function CefClearSchemeHandlerFactories : boolean;
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function CefAddCrossOriginWhitelistEntry(const SourceOrigin, TargetProtocol, TargetDomain: ustring; AllowTargetSubdomains: Boolean): Boolean;
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function CefRemoveCrossOriginWhitelistEntry(const SourceOrigin, TargetProtocol, TargetDomain: ustring; AllowTargetSubdomains: Boolean): Boolean;
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function CefClearCrossOriginWhitelist: Boolean;
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procedure UInt64ToFileVersionInfo(const aVersion : uint64; var aVersionInfo : TFileVersionInfo);
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function GetExtendedFileVersion(const aFileName : string) : uint64;
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function GetDLLVersion(const aDLLFile : string; var aVersionInfo : TFileVersionInfo) : boolean;
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function CheckLocales(const aLocalesDirPath : string) : boolean;
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function CheckResources(const aResourcesDirPath : string) : boolean;
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function CheckDLLs(const aFrameworkDirPath : string) : boolean;
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function CheckDLLVersion(const aDLLFile : string; aMajor, aMinor, aRelease, aBuild : uint16) : boolean;
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function CefParseUrl(const url: ustring; var parts: TUrlParts): Boolean;
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function CefCreateUrl(var parts: TUrlParts): ustring;
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function CefFormatUrlForSecurityDisplay(const originUrl: string): string;
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function CefGetMimeType(const extension: ustring): ustring;
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procedure CefGetExtensionsForMimeType(const mimeType: ustring; extensions: TStringList);
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function CefBase64Encode(const data: Pointer; dataSize: NativeUInt): ustring;
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function CefBase64Decode(const data: ustring): ICefBinaryValue;
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function CefUriEncode(const text: ustring; usePlus: Boolean): ustring;
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function CefUriDecode(const text: ustring; convertToUtf8: Boolean; unescapeRule: TCefUriUnescapeRule): ustring;
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function CefParseJson(const jsonString: ustring; options: TCefJsonParserOptions): ICefValue;
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function CefParseJsonAndReturnError(const jsonString : ustring;
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options : TCefJsonParserOptions;
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out errorCodeOut : TCefJsonParserError;
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out errorMsgOut : ustring): ICefValue;
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function CefWriteJson(const node: ICefValue; options: TCefJsonWriterOptions): ustring;
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function CefCreateDirectory(const fullPath: ustring): Boolean;
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function CefGetTempDirectory(out tempDir: ustring): Boolean;
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function CefCreateNewTempDirectory(const prefix: ustring; out newTempPath: ustring): Boolean;
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function CefCreateTempDirectoryInDirectory(const baseDir, prefix: ustring; out newDir: ustring): Boolean;
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function CefDirectoryExists(const path: ustring): Boolean;
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function CefDeleteFile(const path: ustring; recursive: Boolean): Boolean;
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function CefZipDirectory(const srcDir, destFile: ustring; includeHiddenFiles: Boolean): Boolean;
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procedure CefLoadCRLSetsFile(const path : ustring);
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function CefIsKeyDown(aWparam : WPARAM) : boolean;
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function CefIsKeyToggled(aWparam : WPARAM) : boolean;
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function GetCefMouseModifiers(awparam : WPARAM) : TCefEventFlags; overload;
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function GetCefMouseModifiers : TCefEventFlags; overload;
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function GetCefKeyboardModifiers(aWparam : WPARAM; aLparam : LPARAM) : TCefEventFlags;
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function GefCursorToWindowsCursor(aCefCursor : TCefCursorType) : TCursor;
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procedure DropEffectToDragOperation(aEffect : Longint; var aAllowedOps : TCefDragOperations);
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procedure DragOperationToDropEffect(const aDragOperations : TCefDragOperations; var aEffect: Longint);
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function DeviceToLogical(aValue : integer; const aDeviceScaleFactor : double) : integer; overload;
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procedure DeviceToLogical(var aEvent : TCEFMouseEvent; const aDeviceScaleFactor : double); overload;
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procedure DeviceToLogical(var aPoint : TPoint; const aDeviceScaleFactor : double); overload;
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function LogicalToDevice(aValue : integer; const aDeviceScaleFactor : double) : integer; overload;
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procedure LogicalToDevice(var aRect : TCEFRect; const aDeviceScaleFactor : double); overload;
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function GetScreenDPI : integer;
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function GetDeviceScaleFactor : single;
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function CefGetGeolocation(const aCallbackFunction : TOnLocationUpdate) : boolean;
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implementation
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uses
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uCEFConstants, uCEFApplication, uCEFSchemeHandlerFactory, uCEFValue,
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uCEFBinaryValue;
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function CefColorGetA(color: TCefColor): Byte;
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begin
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Result := (color shr 24) and $FF;
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end;
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function CefColorGetR(color: TCefColor): byte;
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begin
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Result := (color shr 16) and $FF;
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end;
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function CefColorGetG(color: TCefColor): Byte;
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begin
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Result := (color shr 8) and $FF;
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end;
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function CefColorGetB(color: TCefColor): Byte;
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begin
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Result := color and $FF;
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end;
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function CefColorSetARGB(a, r, g, b: Byte): TCefColor;
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begin
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Result := (a shl 24) or (r shl 16) or (g shl 8) or b;
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end;
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function CefInt64Set(int32_low, int32_high: Integer): Int64;
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begin
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Result := int32_low or (int32_high shl 32);
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end;
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function CefInt64GetLow(const int64_val: Int64): Integer;
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begin
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Result := Integer(int64_val);
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end;
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function CefInt64GetHigh(const int64_val: Int64): Integer;
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begin
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Result := (int64_val shr 32) and $FFFFFFFF;
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end;
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procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStringList);
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begin
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CefStringListToStringList(aSrcSL, TStrings(aDstSL));
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end;
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procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStrings);
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var
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i, j : NativeUInt;
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TempString : TCefString;
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begin
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if (aSrcSL <> nil) and (aDstSL <> nil) then
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begin
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i := 0;
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j := pred(cef_string_list_size(aSrcSL));
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while (i < j) do
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begin
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FillChar(TempString, SizeOf(TempString), 0);
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cef_string_list_value(aSrcSL, i, @TempString);
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aDstSL.Add(CefStringClearAndGet(TempString));
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inc(i);
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end;
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end;
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end;
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function CefStringClearAndGet(var str: TCefString): ustring;
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begin
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Result := CefString(@str);
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cef_string_utf16_clear(@str);
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end;
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function CefGetObject(ptr: Pointer): TObject; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
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begin
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Dec(PByte(ptr), SizeOf(Pointer));
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Result := TObject(PPointer(ptr)^);
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end;
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function CefGetData(const i: ICefBaseRefCounted): Pointer; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
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begin
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if (i <> nil) then
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Result := i.Wrap
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else
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Result := nil;
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end;
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function CefString(const str: PCefString): ustring;
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begin
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if (str <> nil) then
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SetString(Result, str.str, str.length)
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else
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Result := '';
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end;
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function CefString(const str: ustring): TCefString;
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begin
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Result.str := PChar16(PWideChar(str));
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Result.length := Length(str);
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Result.dtor := nil;
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end;
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procedure CefStringFree(const str: PCefString);
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begin
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if (str <> nil) then cef_string_utf16_clear(str);
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end;
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procedure CefStringSet(const str: PCefString; const value: ustring);
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begin
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if (str <> nil) then cef_string_utf16_set(PWideChar(value), Length(value), str, 1);
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end;
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function CefStringFreeAndGet(const str: PCefStringUserFree): ustring;
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begin
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if (str <> nil) then
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begin
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Result := CefString(PCefString(str));
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cef_string_userfree_utf16_free(str);
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end
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else
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Result := '';
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end;
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function CefStringAlloc(const str: ustring): TCefString;
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begin
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FillChar(Result, SizeOf(Result), 0);
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if (str <> '') then cef_string_wide_to_utf16(PWideChar(str), Length(str), @Result);
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end;
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procedure _free_string(str: PChar16); stdcall;
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begin
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if (str <> nil) then FreeMem(str);
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end;
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function CefUserFreeString(const str: ustring): PCefStringUserFree;
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begin
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Result := cef_string_userfree_utf16_alloc;
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Result.length := Length(str);
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GetMem(Result.str, Result.length * SizeOf(TCefChar));
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Move(PCefChar(str)^, Result.str^, Result.length * SizeOf(TCefChar));
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Result.dtor := @_free_string;
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end;
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function CefExecuteProcess(var app : ICefApp; aWindowsSandboxInfo : Pointer) : integer;
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begin
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Result := cef_execute_process(@HInstance, CefGetData(app), aWindowsSandboxInfo);
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end;
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function CefRegisterExtension(const name, code: ustring; const Handler: ICefv8Handler): Boolean;
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var
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n, c : TCefString;
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begin
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n := CefString(name);
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c := CefString(code);
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Result := cef_register_extension(@n, @c, CefGetData(handler)) <> 0;
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end;
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procedure CefPostTask(ThreadId: TCefThreadId; const task: ICefTask);
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begin
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cef_post_task(ThreadId, CefGetData(task));
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end;
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procedure CefPostDelayedTask(ThreadId: TCefThreadId; const task: ICefTask; delayMs: Int64);
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begin
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cef_post_delayed_task(ThreadId, CefGetData(task), delayMs);
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end;
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function CefTimeToSystemTime(const dt: TCefTime): TSystemTime;
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begin
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Result.wYear := dt.year;
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Result.wMonth := dt.month;
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Result.wDayOfWeek := dt.day_of_week;
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Result.wDay := dt.day_of_month;
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Result.wHour := dt.hour;
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Result.wMinute := dt.minute;
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Result.wSecond := dt.second;
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Result.wMilliseconds := dt.millisecond;
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end;
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function SystemTimeToCefTime(const dt: TSystemTime): TCefTime;
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begin
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Result.year := dt.wYear;
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Result.month := dt.wMonth;
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Result.day_of_week := dt.wDayOfWeek;
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Result.day_of_month := dt.wDay;
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Result.hour := dt.wHour;
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Result.minute := dt.wMinute;
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Result.second := dt.wSecond;
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Result.millisecond := dt.wMilliseconds;
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end;
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function CefTimeToDateTime(const dt: TCefTime): TDateTime;
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var
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st: TSystemTime;
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begin
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st := CefTimeToSystemTime(dt);
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SystemTimeToTzSpecificLocalTime(nil, @st, @st);
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Result := SystemTimeToDateTime(st);
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end;
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function DateTimeToCefTime(dt: TDateTime): TCefTime;
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var
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st: TSystemTime;
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begin
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DateTimeToSystemTime(dt, st);
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TzSpecificLocalTimeToSystemTime(nil, @st, @st);
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Result := SystemTimeToCefTime(st);
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end;
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function cef_string_wide_copy(const src: PWideChar; src_len: NativeUInt; output: PCefStringWide): Integer;
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begin
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Result := cef_string_wide_set(src, src_len, output, ord(True));
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end;
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function cef_string_utf8_copy(const src: PAnsiChar; src_len: NativeUInt; output: PCefStringUtf8): Integer;
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begin
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Result := cef_string_utf8_set(src, src_len, output, ord(True));
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end;
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function cef_string_utf16_copy(const src: PChar16; src_len: NativeUInt; output: PCefStringUtf16): Integer;
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begin
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Result := cef_string_utf16_set(src, src_len, output, ord(True));
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end;
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function cef_string_copy(const src: PCefChar; src_len: NativeUInt; output: PCefString): Integer;
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begin
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Result := cef_string_utf16_set(src, src_len, output, ord(True));
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end;
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procedure WindowInfoAsChild(var aWindowInfo : TCefWindowInfo; aParent : THandle; aRect : TRect; const aWindowName : string);
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begin
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aWindowInfo.ex_style := 0;
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aWindowInfo.window_name := CefString(aWindowName);
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aWindowInfo.style := WS_CHILD or WS_VISIBLE or WS_CLIPCHILDREN or WS_CLIPSIBLINGS or WS_TABSTOP;
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aWindowInfo.x := aRect.left;
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aWindowInfo.y := aRect.top;
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aWindowInfo.width := aRect.right - aRect.left;
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aWindowInfo.height := aRect.bottom - aRect.top;
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aWindowInfo.parent_window := aParent;
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aWindowInfo.menu := 0;
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aWindowInfo.windowless_rendering_enabled := ord(False);
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aWindowInfo.window := 0;
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end;
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|
|
procedure WindowInfoAsPopUp(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string);
|
|
begin
|
|
aWindowInfo.ex_style := 0;
|
|
aWindowInfo.window_name := CefString(aWindowName);
|
|
aWindowInfo.style := WS_OVERLAPPEDWINDOW or WS_CLIPCHILDREN or WS_CLIPSIBLINGS or WS_VISIBLE;
|
|
aWindowInfo.x := integer(CW_USEDEFAULT);
|
|
aWindowInfo.y := integer(CW_USEDEFAULT);
|
|
aWindowInfo.width := integer(CW_USEDEFAULT);
|
|
aWindowInfo.height := integer(CW_USEDEFAULT);
|
|
aWindowInfo.parent_window := aParent;
|
|
aWindowInfo.menu := 0;
|
|
aWindowInfo.windowless_rendering_enabled := ord(False);
|
|
aWindowInfo.window := 0;
|
|
end;
|
|
|
|
procedure WindowInfoAsWindowless(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string);
|
|
begin
|
|
aWindowInfo.ex_style := 0;
|
|
aWindowInfo.window_name := CefString(aWindowName);
|
|
aWindowInfo.style := 0;
|
|
aWindowInfo.x := 0;
|
|
aWindowInfo.y := 0;
|
|
aWindowInfo.width := 0;
|
|
aWindowInfo.height := 0;
|
|
aWindowInfo.parent_window := aParent;
|
|
aWindowInfo.menu := 0;
|
|
aWindowInfo.windowless_rendering_enabled := ord(True);
|
|
aWindowInfo.window := 0;
|
|
end;
|
|
|
|
function CefIsCertStatusError(Status : TCefCertStatus) : boolean;
|
|
begin
|
|
Result := (cef_is_cert_status_error(Status) <> 0);
|
|
end;
|
|
|
|
function CefIsCertStatusMinorError(Status : TCefCertStatus) : boolean;
|
|
begin
|
|
Result := (cef_is_cert_status_minor_error(Status) <> 0);
|
|
end;
|
|
|
|
function CefCrashReportingEnabled : boolean;
|
|
begin
|
|
Result := (cef_crash_reporting_enabled <> 0);
|
|
end;
|
|
|
|
procedure CefSetCrashKeyValue(const aKey, aValue : ustring);
|
|
var
|
|
TempKey, TempValue : TCefString;
|
|
begin
|
|
TempKey := CefString(aKey);
|
|
TempValue := CefString(aValue);
|
|
cef_set_crash_key_value(@TempKey, @TempValue);
|
|
end;
|
|
|
|
procedure CefLog(const aFile : string; aLine, aSeverity : integer; const aMessage : string);
|
|
var
|
|
TempFile, TempMessage : AnsiString;
|
|
begin
|
|
if (length(aFile) > 0) and (length(aMessage) > 0) then
|
|
begin
|
|
TempFile := AnsiString(aFile);
|
|
TempMessage := AnsiString(aMessage);
|
|
|
|
cef_log(@TempFile[1], aLine, aSeverity, @TempMessage[1]);
|
|
end;
|
|
end;
|
|
|
|
procedure OutputDebugMessage(const aMessage : string);
|
|
const
|
|
DEFAULT_LINE = 1;
|
|
begin
|
|
{$IFDEF DEBUG}
|
|
OutputDebugString({$IFDEF DELPHI12_UP}PWideChar{$ELSE}PAnsiChar{$ENDIF}(aMessage + chr(0)));
|
|
|
|
if (GlobalCEFApp <> nil) and GlobalCEFApp.LibLoaded then
|
|
CefLog('CEF4Delphi', DEFAULT_LINE, CEF_LOG_SEVERITY_ERROR, aMessage);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function CustomExceptionHandler(const aFunctionName : string; const aException : exception) : boolean;
|
|
begin
|
|
OutputDebugMessage(aFunctionName + ' error : ' + aException.message);
|
|
|
|
Result := (GlobalCEFApp <> nil) and GlobalCEFApp.ReRaiseExceptions;
|
|
end;
|
|
|
|
function CefRegisterSchemeHandlerFactory(const SchemeName : ustring;
|
|
const HostName : ustring;
|
|
const handler : TCefResourceHandlerClass) : boolean;
|
|
var
|
|
TempScheme, TempHostName : TCefString;
|
|
TempFactory : ICefSchemeHandlerFactory;
|
|
begin
|
|
TempScheme := CefString(SchemeName);
|
|
TempHostName := CefString(HostName);
|
|
TempFactory := TCefSchemeHandlerFactoryOwn.Create(handler);
|
|
Result := cef_register_scheme_handler_factory(@TempScheme, @TempHostName, TempFactory.Wrap) <> 0;
|
|
end;
|
|
|
|
function CefClearSchemeHandlerFactories : boolean;
|
|
begin
|
|
Result := cef_clear_scheme_handler_factories <> 0;
|
|
end;
|
|
|
|
function CefAddCrossOriginWhitelistEntry(const SourceOrigin : ustring;
|
|
const TargetProtocol : ustring;
|
|
const TargetDomain : ustring;
|
|
AllowTargetSubdomains : Boolean): Boolean;
|
|
var
|
|
TempSourceOrigin, TempTargetProtocol, TempTargetDomain : TCefString;
|
|
begin
|
|
TempSourceOrigin := CefString(SourceOrigin);
|
|
TempTargetProtocol := CefString(TargetProtocol);
|
|
TempTargetDomain := CefString(TargetDomain);
|
|
Result := cef_add_cross_origin_whitelist_entry(@TempSourceOrigin,
|
|
@TempTargetProtocol,
|
|
@TempTargetDomain,
|
|
Ord(AllowTargetSubdomains)) <> 0;
|
|
end;
|
|
|
|
function CefRemoveCrossOriginWhitelistEntry(const SourceOrigin : ustring;
|
|
const TargetProtocol : ustring;
|
|
const TargetDomain : ustring;
|
|
AllowTargetSubdomains : Boolean): Boolean;
|
|
var
|
|
TempSourceOrigin, TempTargetProtocol, TempTargetDomain : TCefString;
|
|
begin
|
|
TempSourceOrigin := CefString(SourceOrigin);
|
|
TempTargetProtocol := CefString(TargetProtocol);
|
|
TempTargetDomain := CefString(TargetDomain);
|
|
Result := cef_remove_cross_origin_whitelist_entry(@TempSourceOrigin,
|
|
@TempTargetProtocol,
|
|
@TempTargetDomain,
|
|
Ord(AllowTargetSubdomains)) <> 0;
|
|
end;
|
|
|
|
function CefClearCrossOriginWhitelist: Boolean;
|
|
begin
|
|
Result := cef_clear_cross_origin_whitelist <> 0;
|
|
end;
|
|
|
|
function CheckLocales(const aLocalesDirPath : string) : boolean;
|
|
var
|
|
TempDir : string;
|
|
begin
|
|
Result := False;
|
|
|
|
try
|
|
if (length(aLocalesDirPath) > 0) then
|
|
TempDir := aLocalesDirPath
|
|
else
|
|
TempDir := 'locales';
|
|
|
|
if DirectoryExists(TempDir) then
|
|
begin
|
|
TempDir := IncludeTrailingPathDelimiter(TempDir);
|
|
|
|
Result := FileExists(TempDir + 'am.pak') and
|
|
FileExists(TempDir + 'ar.pak') and
|
|
FileExists(TempDir + 'bg.pak') and
|
|
FileExists(TempDir + 'bn.pak') and
|
|
FileExists(TempDir + 'ca.pak') and
|
|
FileExists(TempDir + 'cs.pak') and
|
|
FileExists(TempDir + 'da.pak') and
|
|
FileExists(TempDir + 'de.pak') and
|
|
FileExists(TempDir + 'el.pak') and
|
|
FileExists(TempDir + 'en-GB.pak') and
|
|
FileExists(TempDir + 'en-US.pak') and
|
|
FileExists(TempDir + 'es.pak') and
|
|
FileExists(TempDir + 'es-419.pak') and
|
|
FileExists(TempDir + 'et.pak') and
|
|
FileExists(TempDir + 'fa.pak') and
|
|
FileExists(TempDir + 'fi.pak') and
|
|
FileExists(TempDir + 'fil.pak') and
|
|
FileExists(TempDir + 'fr.pak') and
|
|
FileExists(TempDir + 'gu.pak') and
|
|
FileExists(TempDir + 'he.pak') and
|
|
FileExists(TempDir + 'hi.pak') and
|
|
FileExists(TempDir + 'hr.pak') and
|
|
FileExists(TempDir + 'hu.pak') and
|
|
FileExists(TempDir + 'id.pak') and
|
|
FileExists(TempDir + 'it.pak') and
|
|
FileExists(TempDir + 'ja.pak') and
|
|
FileExists(TempDir + 'kn.pak') and
|
|
FileExists(TempDir + 'ko.pak') and
|
|
FileExists(TempDir + 'lt.pak') and
|
|
FileExists(TempDir + 'lv.pak') and
|
|
FileExists(TempDir + 'ml.pak') and
|
|
FileExists(TempDir + 'mr.pak') and
|
|
FileExists(TempDir + 'ms.pak') and
|
|
FileExists(TempDir + 'nb.pak') and
|
|
FileExists(TempDir + 'nl.pak') and
|
|
FileExists(TempDir + 'pl.pak') and
|
|
FileExists(TempDir + 'pt-BR.pak') and
|
|
FileExists(TempDir + 'pt-PT.pak') and
|
|
FileExists(TempDir + 'ro.pak') and
|
|
FileExists(TempDir + 'ru.pak') and
|
|
FileExists(TempDir + 'sk.pak') and
|
|
FileExists(TempDir + 'sl.pak') and
|
|
FileExists(TempDir + 'sr.pak') and
|
|
FileExists(TempDir + 'sv.pak') and
|
|
FileExists(TempDir + 'sw.pak') and
|
|
FileExists(TempDir + 'ta.pak') and
|
|
FileExists(TempDir + 'te.pak') and
|
|
FileExists(TempDir + 'th.pak') and
|
|
FileExists(TempDir + 'tr.pak') and
|
|
FileExists(TempDir + 'uk.pak') and
|
|
FileExists(TempDir + 'vi.pak') and
|
|
FileExists(TempDir + 'zh-CN.pak') and
|
|
FileExists(TempDir + 'zh-TW.pak');
|
|
end;
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('CheckLocales', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
function CheckResources(const aResourcesDirPath : string) : boolean;
|
|
var
|
|
TempDir : string;
|
|
begin
|
|
Result := False;
|
|
|
|
try
|
|
if (length(aResourcesDirPath) > 0) then
|
|
begin
|
|
if DirectoryExists(aResourcesDirPath) then
|
|
begin
|
|
TempDir := IncludeTrailingPathDelimiter(aResourcesDirPath);
|
|
if CustomPathIsRelative(TempDir) then TempDir := ExtractFilePath(ParamStr(0)) + TempDir;
|
|
end
|
|
else
|
|
exit;
|
|
end
|
|
else
|
|
TempDir := '';
|
|
|
|
Result := FileExists(TempDir + 'natives_blob.bin') and
|
|
FileExists(TempDir + 'snapshot_blob.bin') and
|
|
FileExists(TempDir + 'icudtl.dat') and
|
|
FileExists(TempDir + 'cef.pak') and
|
|
FileExists(TempDir + 'cef_100_percent.pak') and
|
|
FileExists(TempDir + 'cef_200_percent.pak') and
|
|
FileExists(TempDir + 'cef_extensions.pak') and
|
|
FileExists(TempDir + 'devtools_resources.pak');
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('CheckResources', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
function CheckDLLs(const aFrameworkDirPath : string) : boolean;
|
|
var
|
|
TempDir : string;
|
|
begin
|
|
Result := False;
|
|
|
|
try
|
|
if (length(aFrameworkDirPath) > 0) then
|
|
begin
|
|
if DirectoryExists(aFrameworkDirPath) then
|
|
begin
|
|
TempDir := IncludeTrailingPathDelimiter(aFrameworkDirPath);
|
|
if CustomPathIsRelative(TempDir) then TempDir := ExtractFilePath(ParamStr(0)) + TempDir;
|
|
end
|
|
else
|
|
exit;
|
|
end
|
|
else
|
|
TempDir := '';
|
|
|
|
Result := FileExists(TempDir + CHROMEELF_DLL) and
|
|
FileExists(TempDir + LIBCEF_DLL) and
|
|
FileExists(TempDir + 'd3dcompiler_43.dll') and
|
|
FileExists(TempDir + 'd3dcompiler_47.dll') and
|
|
FileExists(TempDir + 'libEGL.dll') and
|
|
FileExists(TempDir + 'libGLESv2.dll') and
|
|
FileExists(TempDir + 'widevinecdmadapter.dll');
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('CheckDLLs', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure UInt64ToFileVersionInfo(const aVersion : uint64; var aVersionInfo : TFileVersionInfo);
|
|
begin
|
|
aVersionInfo.MajorVer := uint16(aVersion shr 48);
|
|
aVersionInfo.MinorVer := uint16((aVersion shr 32) and $FFFF);
|
|
aVersionInfo.Release := uint16((aVersion shr 16) and $FFFF);
|
|
aVersionInfo.Build := uint16(aVersion and $FFFF);
|
|
end;
|
|
|
|
function GetExtendedFileVersion(const aFileName : string) : uint64;
|
|
var
|
|
TempSize : DWORD;
|
|
TempBuffer : pointer;
|
|
TempLen : UINT;
|
|
TempHandle : cardinal;
|
|
TempInfo : PVSFixedFileInfo;
|
|
begin
|
|
Result := 0;
|
|
TempBuffer := nil;
|
|
|
|
try
|
|
try
|
|
TempSize := GetFileVersioninfoSize(PChar(aFileName), TempHandle);
|
|
|
|
if (TempSize > 0) then
|
|
begin
|
|
GetMem(TempBuffer, TempSize);
|
|
|
|
if GetFileVersionInfo(PChar(aFileName), TempHandle, TempSize, TempBuffer) and
|
|
VerQueryValue(TempBuffer, '\', Pointer(TempInfo), TempLen) then
|
|
begin
|
|
Result := TempInfo.dwFileVersionMS;
|
|
Result := Result shl 32;
|
|
Result := Result or TempInfo.dwFileVersionLS;
|
|
end;
|
|
end;
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('GetExtendedFileVersion', e) then raise;
|
|
end;
|
|
finally
|
|
if (TempBuffer <> nil) then FreeMem(TempBuffer);
|
|
end;
|
|
end;
|
|
|
|
function GetDLLVersion(const aDLLFile : string; var aVersionInfo : TFileVersionInfo) : boolean;
|
|
var
|
|
TempVersion : uint64;
|
|
begin
|
|
Result := False;
|
|
|
|
try
|
|
if FileExists(aDLLFile) then
|
|
begin
|
|
TempVersion := GetExtendedFileVersion(aDLLFile);
|
|
UInt64ToFileVersionInfo(TempVersion, aVersionInfo);
|
|
Result := True;
|
|
end;
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('GetDLLVersion', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
function CheckDLLVersion(const aDLLFile : string; aMajor, aMinor, aRelease, aBuild : uint16) : boolean;
|
|
var
|
|
TempVersionInfo : TFileVersionInfo;
|
|
begin
|
|
Result := GetDLLVersion(aDLLFile, TempVersionInfo) and
|
|
(TempVersionInfo.MajorVer = aMajor) and
|
|
(TempVersionInfo.MinorVer = aMinor) and
|
|
(TempVersionInfo.Release = aRelease) and
|
|
(TempVersionInfo.Build = aBuild);
|
|
end;
|
|
|
|
function CustomPathIsRelative(const aPath : string) : boolean;
|
|
begin
|
|
{$IFDEF DELPHI12_UP}
|
|
Result := PathIsRelativeUnicode(PChar(aPath));
|
|
{$ELSE}
|
|
Result := PathIsRelativeAnsi(PChar(aPath));
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function CefParseUrl(const url: ustring; var parts: TUrlParts): Boolean;
|
|
var
|
|
u: TCefString;
|
|
p: TCefUrlParts;
|
|
begin
|
|
FillChar(p, sizeof(p), 0);
|
|
u := CefString(url);
|
|
Result := cef_parse_url(@u, p) <> 0;
|
|
if Result then
|
|
begin
|
|
//parts.spec := CefString(@p.spec);
|
|
parts.scheme := CefString(@p.scheme);
|
|
parts.username := CefString(@p.username);
|
|
parts.password := CefString(@p.password);
|
|
parts.host := CefString(@p.host);
|
|
parts.port := CefString(@p.port);
|
|
parts.origin := CefString(@p.origin);
|
|
parts.path := CefString(@p.path);
|
|
parts.query := CefString(@p.query);
|
|
end;
|
|
end;
|
|
|
|
function CefCreateUrl(var parts: TUrlParts): ustring;
|
|
var
|
|
p: TCefUrlParts;
|
|
u: TCefString;
|
|
begin
|
|
FillChar(p, sizeof(p), 0);
|
|
p.spec := CefString(parts.spec);
|
|
p.scheme := CefString(parts.scheme);
|
|
p.username := CefString(parts.username);
|
|
p.password := CefString(parts.password);
|
|
p.host := CefString(parts.host);
|
|
p.port := CefString(parts.port);
|
|
p.origin := CefString(parts.origin);
|
|
p.path := CefString(parts.path);
|
|
p.query := CefString(parts.query);
|
|
FillChar(u, SizeOf(u), 0);
|
|
if cef_create_url(@p, @u) <> 0 then
|
|
Result := CefString(@u) else
|
|
Result := '';
|
|
end;
|
|
|
|
function CefFormatUrlForSecurityDisplay(const originUrl: string): string;
|
|
var
|
|
o: TCefString;
|
|
begin
|
|
o := CefString(originUrl);
|
|
Result := CefStringFreeAndGet(cef_format_url_for_security_display(@o));
|
|
end;
|
|
|
|
function CefGetMimeType(const extension: ustring): ustring;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(extension);
|
|
Result := CefStringFreeAndGet(cef_get_mime_type(@s));
|
|
end;
|
|
|
|
procedure CefGetExtensionsForMimeType(const mimeType: ustring; extensions: TStringList);
|
|
var
|
|
list: TCefStringList;
|
|
s, str: TCefString;
|
|
i: Integer;
|
|
begin
|
|
list := cef_string_list_alloc();
|
|
try
|
|
s := CefString(mimeType);
|
|
cef_get_extensions_for_mime_type(@s, list);
|
|
for i := 0 to cef_string_list_size(list) - 1 do
|
|
begin
|
|
FillChar(str, SizeOf(str), 0);
|
|
cef_string_list_value(list, i, @str);
|
|
extensions.Add(CefStringClearAndGet(str));
|
|
end;
|
|
finally
|
|
cef_string_list_free(list);
|
|
end;
|
|
end;
|
|
|
|
function CefBase64Encode(const data: Pointer; dataSize: NativeUInt): ustring;
|
|
begin
|
|
Result:= CefStringFreeAndGet(cef_base64encode(data, dataSize));
|
|
end;
|
|
|
|
function CefBase64Decode(const data: ustring): ICefBinaryValue;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(data);
|
|
Result := TCefBinaryValueRef.UnWrap(cef_base64decode(@s));
|
|
end;
|
|
|
|
function CefUriEncode(const text: ustring; usePlus: Boolean): ustring;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(text);
|
|
Result := CefStringFreeAndGet(cef_uriencode(@s, Ord(usePlus)));
|
|
end;
|
|
|
|
function CefUriDecode(const text: ustring; convertToUtf8: Boolean;
|
|
unescapeRule: TCefUriUnescapeRule): ustring;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(text);
|
|
Result := CefStringFreeAndGet(cef_uridecode(@s, Ord(convertToUtf8), unescapeRule));
|
|
end;
|
|
|
|
function CefParseJson(const jsonString: ustring; options: TCefJsonParserOptions): ICefValue;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(jsonString);
|
|
Result := TCefValueRef.UnWrap(cef_parse_json(@s, options));
|
|
end;
|
|
|
|
function CefParseJsonAndReturnError(const jsonString : ustring;
|
|
options : TCefJsonParserOptions;
|
|
out errorCodeOut : TCefJsonParserError;
|
|
out errorMsgOut : ustring): ICefValue;
|
|
var
|
|
s, e: TCefString;
|
|
begin
|
|
s := CefString(jsonString);
|
|
FillChar(e, SizeOf(e), 0);
|
|
Result := TCefValueRef.UnWrap(cef_parse_jsonand_return_error(@s, options, @errorCodeOut, @e));
|
|
errorMsgOut := CefString(@e);
|
|
end;
|
|
|
|
function CefWriteJson(const node: ICefValue; options: TCefJsonWriterOptions): ustring;
|
|
begin
|
|
Result := CefStringFreeAndGet(cef_write_json(CefGetData(node), options));
|
|
end;
|
|
|
|
function CefCreateDirectory(const fullPath: ustring): Boolean;
|
|
var
|
|
path: TCefString;
|
|
begin
|
|
path := CefString(fullPath);
|
|
Result := cef_create_directory(@path) <> 0;
|
|
end;
|
|
|
|
function CefGetTempDirectory(out tempDir: ustring): Boolean;
|
|
var
|
|
path: TCefString;
|
|
begin
|
|
FillChar(path, SizeOf(path), 0);
|
|
Result := cef_get_temp_directory(@path) <> 0;
|
|
tempDir := CefString(@path);
|
|
end;
|
|
|
|
function CefCreateNewTempDirectory(const prefix: ustring; out newTempPath: ustring): Boolean;
|
|
var
|
|
path, pref: TCefString;
|
|
begin
|
|
FillChar(path, SizeOf(path), 0);
|
|
pref := CefString(prefix);
|
|
Result := cef_create_new_temp_directory(@pref, @path) <> 0;
|
|
newTempPath := CefString(@path);
|
|
end;
|
|
|
|
function CefCreateTempDirectoryInDirectory(const baseDir, prefix: ustring;
|
|
out newDir: ustring): Boolean;
|
|
var
|
|
base, path, pref: TCefString;
|
|
begin
|
|
FillChar(path, SizeOf(path), 0);
|
|
pref := CefString(prefix);
|
|
base := CefString(baseDir);
|
|
Result := cef_create_temp_directory_in_directory(@base, @pref, @path) <> 0;
|
|
newDir := CefString(@path);
|
|
end;
|
|
|
|
function CefDirectoryExists(const path: ustring): Boolean;
|
|
var
|
|
str: TCefString;
|
|
begin
|
|
str := CefString(path);
|
|
Result := cef_directory_exists(@str) <> 0;
|
|
end;
|
|
|
|
function CefDeleteFile(const path: ustring; recursive: Boolean): Boolean;
|
|
var
|
|
str: TCefString;
|
|
begin
|
|
str := CefString(path);
|
|
Result := cef_delete_file(@str, Ord(recursive)) <> 0;
|
|
end;
|
|
|
|
function CefZipDirectory(const srcDir, destFile: ustring; includeHiddenFiles: Boolean): Boolean;
|
|
var
|
|
src, dst: TCefString;
|
|
begin
|
|
src := CefString(srcDir);
|
|
dst := CefString(destFile);
|
|
Result := cef_zip_directory(@src, @dst, Ord(includeHiddenFiles)) <> 0;
|
|
end;
|
|
|
|
procedure CefLoadCRLSetsFile(const path : ustring);
|
|
var
|
|
TempPath : TCefString;
|
|
begin
|
|
TempPath := CefString(path);
|
|
cef_load_crlsets_file(@TempPath);
|
|
end;
|
|
|
|
function CefGetGeolocation(const aCallbackFunction : TOnLocationUpdate) : boolean;
|
|
var
|
|
TempGeoCallBack : ICefGetGeolocationCallback;
|
|
begin
|
|
TempGeoCallBack := TCefFastGetGeolocationCallback.Create(aCallbackFunction);
|
|
Result := (cef_get_geolocation(TempGeoCallBack.Wrap) <> 0);
|
|
end;
|
|
|
|
function CefIsKeyDown(aWparam : WPARAM) : boolean;
|
|
begin
|
|
Result := (GetKeyState(aWparam) < 0);
|
|
end;
|
|
|
|
function CefIsKeyToggled(aWparam : WPARAM) : boolean;
|
|
begin
|
|
Result := (GetKeyState(aWparam) and $1) <> 0;
|
|
end;
|
|
|
|
function GetCefMouseModifiers(aWparam : WPARAM) : TCefEventFlags;
|
|
begin
|
|
Result := EVENTFLAG_NONE;
|
|
|
|
if ((aWparam and MK_CONTROL) <> 0) then Result := Result or EVENTFLAG_CONTROL_DOWN;
|
|
if ((aWparam and MK_SHIFT) <> 0) then Result := Result or EVENTFLAG_SHIFT_DOWN;
|
|
if ((aWparam and MK_LBUTTON) <> 0) then Result := Result or EVENTFLAG_LEFT_MOUSE_BUTTON;
|
|
if ((aWparam and MK_MBUTTON) <> 0) then Result := Result or EVENTFLAG_MIDDLE_MOUSE_BUTTON;
|
|
if ((aWparam and MK_RBUTTON) <> 0) then Result := Result or EVENTFLAG_RIGHT_MOUSE_BUTTON;
|
|
if CefIsKeyDown(VK_MENU) then Result := Result or EVENTFLAG_ALT_DOWN;
|
|
if CefIsKeyToggled(VK_NUMLOCK) then Result := Result or EVENTFLAG_NUM_LOCK_ON;
|
|
if CefIsKeyToggled(VK_CAPITAL) then Result := Result or EVENTFLAG_CAPS_LOCK_ON;
|
|
end;
|
|
|
|
function GetCefMouseModifiers : TCefEventFlags;
|
|
begin
|
|
Result := EVENTFLAG_NONE;
|
|
|
|
if CefIsKeyDown(MK_CONTROL) then Result := Result or EVENTFLAG_CONTROL_DOWN;
|
|
if CefIsKeyDown(MK_SHIFT) then Result := Result or EVENTFLAG_SHIFT_DOWN;
|
|
if CefIsKeyDown(MK_LBUTTON) then Result := Result or EVENTFLAG_LEFT_MOUSE_BUTTON;
|
|
if CefIsKeyDown(MK_MBUTTON) then Result := Result or EVENTFLAG_MIDDLE_MOUSE_BUTTON;
|
|
if CefIsKeyDown(MK_RBUTTON) then Result := Result or EVENTFLAG_RIGHT_MOUSE_BUTTON;
|
|
if CefIsKeyDown(VK_MENU) then Result := Result or EVENTFLAG_ALT_DOWN;
|
|
if CefIsKeyToggled(VK_NUMLOCK) then Result := Result or EVENTFLAG_NUM_LOCK_ON;
|
|
if CefIsKeyToggled(VK_CAPITAL) then Result := Result or EVENTFLAG_CAPS_LOCK_ON;
|
|
end;
|
|
|
|
function GetCefKeyboardModifiers(aWparam : WPARAM; aLparam : LPARAM) : TCefEventFlags;
|
|
begin
|
|
Result := EVENTFLAG_NONE;
|
|
|
|
if CefIsKeyDown(VK_SHIFT) then Result := Result or EVENTFLAG_SHIFT_DOWN;
|
|
if CefIsKeyDown(VK_CONTROL) then Result := Result or EVENTFLAG_CONTROL_DOWN;
|
|
if CefIsKeyDown(VK_MENU) then Result := Result or EVENTFLAG_ALT_DOWN;
|
|
if CefIsKeyToggled(VK_NUMLOCK) then Result := Result or EVENTFLAG_NUM_LOCK_ON;
|
|
if CefIsKeyToggled(VK_CAPITAL) then Result := Result or EVENTFLAG_CAPS_LOCK_ON;
|
|
|
|
|
|
case aWparam of
|
|
VK_RETURN:
|
|
if (((aLparam shr 16) and KF_EXTENDED) <> 0) then Result := Result or EVENTFLAG_IS_KEY_PAD;
|
|
|
|
VK_INSERT,
|
|
VK_DELETE,
|
|
VK_HOME,
|
|
VK_END,
|
|
VK_PRIOR,
|
|
VK_NEXT,
|
|
VK_UP,
|
|
VK_DOWN,
|
|
VK_LEFT,
|
|
VK_RIGHT :
|
|
if (((aLparam shr 16) and KF_EXTENDED) = 0) then Result := Result or EVENTFLAG_IS_KEY_PAD;
|
|
|
|
VK_NUMLOCK,
|
|
VK_NUMPAD0,
|
|
VK_NUMPAD1,
|
|
VK_NUMPAD2,
|
|
VK_NUMPAD3,
|
|
VK_NUMPAD4,
|
|
VK_NUMPAD5,
|
|
VK_NUMPAD6,
|
|
VK_NUMPAD7,
|
|
VK_NUMPAD8,
|
|
VK_NUMPAD9,
|
|
VK_DIVIDE,
|
|
VK_MULTIPLY,
|
|
VK_SUBTRACT,
|
|
VK_ADD,
|
|
VK_DECIMAL,
|
|
VK_CLEAR :
|
|
Result := Result or EVENTFLAG_IS_KEY_PAD;
|
|
|
|
VK_SHIFT :
|
|
if CefIsKeyDown(VK_LSHIFT) then
|
|
Result := Result or EVENTFLAG_IS_LEFT
|
|
else
|
|
if CefIsKeyDown(VK_RSHIFT) then
|
|
Result := Result or EVENTFLAG_IS_RIGHT;
|
|
|
|
VK_CONTROL :
|
|
if CefIsKeyDown(VK_LCONTROL) then
|
|
Result := Result or EVENTFLAG_IS_LEFT
|
|
else
|
|
if CefIsKeyDown(VK_RCONTROL) then
|
|
Result := Result or EVENTFLAG_IS_RIGHT;
|
|
|
|
VK_MENU :
|
|
if CefIsKeyDown(VK_LMENU) then
|
|
Result := Result or EVENTFLAG_IS_LEFT
|
|
else
|
|
if CefIsKeyDown(VK_RMENU) then
|
|
Result := Result or EVENTFLAG_IS_RIGHT;
|
|
|
|
VK_LWIN :
|
|
Result := Result or EVENTFLAG_IS_LEFT;
|
|
|
|
VK_RWIN :
|
|
Result := Result or EVENTFLAG_IS_RIGHT;
|
|
end;
|
|
end;
|
|
|
|
function GefCursorToWindowsCursor(aCefCursor : TCefCursorType) : TCursor;
|
|
begin
|
|
case aCefCursor of
|
|
CT_POINTER : Result := crArrow;
|
|
CT_CROSS : Result := crCross;
|
|
CT_HAND : Result := crHandPoint;
|
|
CT_IBEAM : Result := crIBeam;
|
|
CT_WAIT : Result := crHourGlass;
|
|
CT_HELP : Result := crHelp;
|
|
CT_EASTRESIZE : Result := crSizeWE;
|
|
CT_NORTHRESIZE : Result := crSizeNS;
|
|
CT_NORTHEASTRESIZE : Result := crSizeNESW;
|
|
CT_NORTHWESTRESIZE : Result := crSizeNWSE;
|
|
CT_SOUTHRESIZE : Result := crSizeNS;
|
|
CT_SOUTHEASTRESIZE : Result := crSizeNWSE;
|
|
CT_SOUTHWESTRESIZE : Result := crSizeNESW;
|
|
CT_WESTRESIZE : Result := crSizeWE;
|
|
CT_NORTHSOUTHRESIZE : Result := crSizeNS;
|
|
CT_EASTWESTRESIZE : Result := crSizeWE;
|
|
CT_NORTHEASTSOUTHWESTRESIZE : Result := crSizeNESW;
|
|
CT_NORTHWESTSOUTHEASTRESIZE : Result := crSizeNWSE;
|
|
CT_COLUMNRESIZE : Result := crHSplit;
|
|
CT_ROWRESIZE : Result := crVSplit;
|
|
CT_MOVE : Result := crSizeAll;
|
|
CT_PROGRESS : Result := crAppStart;
|
|
CT_NONE : Result := crNone;
|
|
CT_NODROP,
|
|
CT_NOTALLOWED : Result := crNo;
|
|
CT_GRAB,
|
|
CT_GRABBING : Result := crDrag;
|
|
|
|
else Result := crDefault;
|
|
end;
|
|
end;
|
|
|
|
procedure DropEffectToDragOperation(aEffect: Longint; var aAllowedOps : TCefDragOperations);
|
|
begin
|
|
aAllowedOps := DRAG_OPERATION_NONE;
|
|
|
|
if ((aEffect and DROPEFFECT_COPY) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_COPY;
|
|
if ((aEffect and DROPEFFECT_LINK) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_LINK;
|
|
if ((aEffect and DROPEFFECT_MOVE) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_MOVE;
|
|
end;
|
|
|
|
procedure DragOperationToDropEffect(const aDragOperations : TCefDragOperations; var aEffect: Longint);
|
|
begin
|
|
aEffect := DROPEFFECT_NONE;
|
|
|
|
if ((aDragOperations and DRAG_OPERATION_COPY) <> 0) then aEffect := aEffect or DROPEFFECT_COPY;
|
|
if ((aDragOperations and DRAG_OPERATION_LINK) <> 0) then aEffect := aEffect or DROPEFFECT_LINK;
|
|
if ((aDragOperations and DRAG_OPERATION_MOVE) <> 0) then aEffect := aEffect or DROPEFFECT_MOVE;
|
|
end;
|
|
|
|
function DeviceToLogical(aValue : integer; const aDeviceScaleFactor : double) : integer;
|
|
begin
|
|
Result := floor(aValue / aDeviceScaleFactor);
|
|
end;
|
|
|
|
procedure DeviceToLogical(var aEvent : TCEFMouseEvent; const aDeviceScaleFactor : double);
|
|
begin
|
|
aEvent.x := DeviceToLogical(aEvent.x, aDeviceScaleFactor);
|
|
aEvent.y := DeviceToLogical(aEvent.y, aDeviceScaleFactor);
|
|
end;
|
|
|
|
procedure DeviceToLogical(var aPoint : TPoint; const aDeviceScaleFactor : double);
|
|
begin
|
|
aPoint.x := DeviceToLogical(aPoint.x, aDeviceScaleFactor);
|
|
aPoint.y := DeviceToLogical(aPoint.y, aDeviceScaleFactor);
|
|
end;
|
|
|
|
function LogicalToDevice(aValue : integer; const aDeviceScaleFactor : double) : integer;
|
|
begin
|
|
Result := floor(aValue * aDeviceScaleFactor);
|
|
end;
|
|
|
|
procedure LogicalToDevice(var aRect : TCEFRect; const aDeviceScaleFactor : double);
|
|
begin
|
|
aRect.x := LogicalToDevice(aRect.x, aDeviceScaleFactor);
|
|
aRect.y := LogicalToDevice(aRect.y, aDeviceScaleFactor);
|
|
aRect.width := LogicalToDevice(aRect.width, aDeviceScaleFactor);
|
|
aRect.height := LogicalToDevice(aRect.height, aDeviceScaleFactor);
|
|
end;
|
|
|
|
function GetScreenDPI : integer;
|
|
var
|
|
TempDC : HDC;
|
|
begin
|
|
TempDC := GetDC(0);
|
|
Result := GetDeviceCaps(TempDC, LOGPIXELSX);
|
|
ReleaseDC(0, TempDC);
|
|
end;
|
|
|
|
function GetDeviceScaleFactor : single;
|
|
begin
|
|
Result := GetScreenDPI / 96;
|
|
end;
|
|
|
|
end.
|