CEF4Delphi/source/uCEFMiscFunctions.pas
Salvador Diaz Fau b349625e09 Geolocation demo
2017-08-12 20:30:34 +02:00

1231 lines
43 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2017 Salvador Díaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFMiscFunctions;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
WinApi.Windows, System.Classes, System.SysUtils, System.UITypes, WinApi.ActiveX, System.Math,
{$ELSE}
Windows, Classes, SysUtils, Controls, ActiveX, Math,
{$ENDIF}
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFResourceHandler, uCEFGetGeolocationCallback;
const
Kernel32DLL = 'kernel32.dll';
SHLWAPIDLL = 'shlwapi.dll';
procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStringList); overload;
procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStrings); overload;
function CefColorGetA(color: TCefColor): Byte;
function CefColorGetR(color: TCefColor): byte;
function CefColorGetG(color: TCefColor): Byte;
function CefColorGetB(color: TCefColor): Byte;
function CefColorSetARGB(a, r, g, b: Byte): TCefColor;
function CefInt64Set(int32_low, int32_high: Integer): Int64;
function CefInt64GetLow(const int64_val: Int64): Integer;
function CefInt64GetHigh(const int64_val: Int64): Integer;
function CefGetObject(ptr: Pointer): TObject; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
function CefGetData(const i: ICefBaseRefCounted): Pointer; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
function CefStringAlloc(const str: ustring): TCefString;
function CefStringClearAndGet(var str: TCefString): ustring;
function CefString(const str: ustring): TCefString; overload;
function CefString(const str: PCefString): ustring; overload;
function CefUserFreeString(const str: ustring): PCefStringUserFree;
procedure CefStringFree(const str: PCefString);
function CefStringFreeAndGet(const str: PCefStringUserFree): ustring;
procedure CefStringSet(const str: PCefString; const value: ustring);
function CefExecuteProcess(var app : ICefApp; aWindowsSandboxInfo : Pointer = nil) : integer;
function CefRegisterExtension(const name, code: ustring; const Handler: ICefv8Handler): Boolean;
procedure CefPostTask(ThreadId: TCefThreadId; const task: ICefTask);
procedure CefPostDelayedTask(ThreadId: TCefThreadId; const task: ICefTask; delayMs: Int64);
function CefTimeToSystemTime(const dt: TCefTime): TSystemTime;
function SystemTimeToCefTime(const dt: TSystemTime): TCefTime;
function CefTimeToDateTime(const dt: TCefTime): TDateTime;
function DateTimeToCefTime(dt: TDateTime): TCefTime;
function cef_string_wide_copy(const src: PWideChar; src_len: NativeUInt; output: PCefStringWide): Integer;
function cef_string_utf8_copy(const src: PAnsiChar; src_len: NativeUInt; output: PCefStringUtf8): Integer;
function cef_string_utf16_copy(const src: PChar16; src_len: NativeUInt; output: PCefStringUtf16): Integer;
function cef_string_copy(const src: PCefChar; src_len: NativeUInt; output: PCefString): Integer;
procedure WindowInfoAsChild(var aWindowInfo : TCefWindowInfo; aParent : THandle; aRect : TRect; const aWindowName : string = '');
procedure WindowInfoAsPopUp(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string = '');
procedure WindowInfoAsWindowless(var aWindowInfo : TCefWindowInfo; aParent : THandle; const aWindowName : string = '');
function TzSpecificLocalTimeToSystemTime(lpTimeZoneInformation: PTimeZoneInformation; lpLocalTime, lpUniversalTime: PSystemTime): BOOL; stdcall; external Kernel32DLL;
function SystemTimeToTzSpecificLocalTime(lpTimeZoneInformation: PTimeZoneInformation; lpUniversalTime, lpLocalTime: PSystemTime): BOOL; stdcall; external Kernel32DLL;
function PathIsRelativeAnsi(pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeA';
function PathIsRelativeUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeW';
function CustomPathIsRelative(const aPath : string) : boolean;
function CefIsCertStatusError(Status : TCefCertStatus) : boolean;
function CefIsCertStatusMinorError(Status : TCefCertStatus) : boolean;
function CefCrashReportingEnabled : boolean;
procedure CefSetCrashKeyValue(const aKey, aValue : ustring);
procedure CefLog(const aFile : string; aLine, aSeverity : integer; const aMessage : string);
procedure OutputDebugMessage(const aMessage : string);
function CustomExceptionHandler(const aFunctionName : string; const aException : exception) : boolean;
function CefRegisterSchemeHandlerFactory(const SchemeName, HostName: ustring; const handler: TCefResourceHandlerClass): Boolean;
function CefClearSchemeHandlerFactories : boolean;
function CefAddCrossOriginWhitelistEntry(const SourceOrigin, TargetProtocol, TargetDomain: ustring; AllowTargetSubdomains: Boolean): Boolean;
function CefRemoveCrossOriginWhitelistEntry(const SourceOrigin, TargetProtocol, TargetDomain: ustring; AllowTargetSubdomains: Boolean): Boolean;
function CefClearCrossOriginWhitelist: Boolean;
procedure UInt64ToFileVersionInfo(const aVersion : uint64; var aVersionInfo : TFileVersionInfo);
function GetExtendedFileVersion(const aFileName : string) : uint64;
function GetDLLVersion(const aDLLFile : string; var aVersionInfo : TFileVersionInfo) : boolean;
function CheckLocales(const aLocalesDirPath : string) : boolean;
function CheckResources(const aResourcesDirPath : string) : boolean;
function CheckDLLs(const aFrameworkDirPath : string) : boolean;
function CheckDLLVersion(const aDLLFile : string; aMajor, aMinor, aRelease, aBuild : uint16) : boolean;
function CefParseUrl(const url: ustring; var parts: TUrlParts): Boolean;
function CefCreateUrl(var parts: TUrlParts): ustring;
function CefFormatUrlForSecurityDisplay(const originUrl: string): string;
function CefGetMimeType(const extension: ustring): ustring;
procedure CefGetExtensionsForMimeType(const mimeType: ustring; extensions: TStringList);
function CefBase64Encode(const data: Pointer; dataSize: NativeUInt): ustring;
function CefBase64Decode(const data: ustring): ICefBinaryValue;
function CefUriEncode(const text: ustring; usePlus: Boolean): ustring;
function CefUriDecode(const text: ustring; convertToUtf8: Boolean; unescapeRule: TCefUriUnescapeRule): ustring;
function CefParseJson(const jsonString: ustring; options: TCefJsonParserOptions): ICefValue;
function CefParseJsonAndReturnError(const jsonString : ustring;
options : TCefJsonParserOptions;
out errorCodeOut : TCefJsonParserError;
out errorMsgOut : ustring): ICefValue;
function CefWriteJson(const node: ICefValue; options: TCefJsonWriterOptions): ustring;
function CefCreateDirectory(const fullPath: ustring): Boolean;
function CefGetTempDirectory(out tempDir: ustring): Boolean;
function CefCreateNewTempDirectory(const prefix: ustring; out newTempPath: ustring): Boolean;
function CefCreateTempDirectoryInDirectory(const baseDir, prefix: ustring; out newDir: ustring): Boolean;
function CefDirectoryExists(const path: ustring): Boolean;
function CefDeleteFile(const path: ustring; recursive: Boolean): Boolean;
function CefZipDirectory(const srcDir, destFile: ustring; includeHiddenFiles: Boolean): Boolean;
procedure CefLoadCRLSetsFile(const path : ustring);
function CefIsKeyDown(aWparam : WPARAM) : boolean;
function CefIsKeyToggled(aWparam : WPARAM) : boolean;
function GetCefMouseModifiers(awparam : WPARAM) : TCefEventFlags; overload;
function GetCefMouseModifiers : TCefEventFlags; overload;
function GetCefKeyboardModifiers(aWparam : WPARAM; aLparam : LPARAM) : TCefEventFlags;
function GefCursorToWindowsCursor(aCefCursor : TCefCursorType) : TCursor;
procedure DropEffectToDragOperation(aEffect : Longint; var aAllowedOps : TCefDragOperations);
procedure DragOperationToDropEffect(const aDragOperations : TCefDragOperations; var aEffect: Longint);
function DeviceToLogical(aValue : integer; const aDeviceScaleFactor : double) : integer; overload;
procedure DeviceToLogical(var aEvent : TCEFMouseEvent; const aDeviceScaleFactor : double); overload;
procedure DeviceToLogical(var aPoint : TPoint; const aDeviceScaleFactor : double); overload;
function LogicalToDevice(aValue : integer; const aDeviceScaleFactor : double) : integer; overload;
procedure LogicalToDevice(var aRect : TCEFRect; const aDeviceScaleFactor : double); overload;
function GetScreenDPI : integer;
function GetDeviceScaleFactor : single;
function CefGetGeolocation(const aCallbackFunction : TOnLocationUpdate) : boolean;
implementation
uses
uCEFConstants, uCEFApplication, uCEFSchemeHandlerFactory, uCEFValue,
uCEFBinaryValue;
function CefColorGetA(color: TCefColor): Byte;
begin
Result := (color shr 24) and $FF;
end;
function CefColorGetR(color: TCefColor): byte;
begin
Result := (color shr 16) and $FF;
end;
function CefColorGetG(color: TCefColor): Byte;
begin
Result := (color shr 8) and $FF;
end;
function CefColorGetB(color: TCefColor): Byte;
begin
Result := color and $FF;
end;
function CefColorSetARGB(a, r, g, b: Byte): TCefColor;
begin
Result := (a shl 24) or (r shl 16) or (g shl 8) or b;
end;
function CefInt64Set(int32_low, int32_high: Integer): Int64;
begin
Result := int32_low or (int32_high shl 32);
end;
function CefInt64GetLow(const int64_val: Int64): Integer;
begin
Result := Integer(int64_val);
end;
function CefInt64GetHigh(const int64_val: Int64): Integer;
begin
Result := (int64_val shr 32) and $FFFFFFFF;
end;
procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStringList);
begin
CefStringListToStringList(aSrcSL, TStrings(aDstSL));
end;
procedure CefStringListToStringList(var aSrcSL : TCefStringList; var aDstSL : TStrings);
var
i, j : NativeUInt;
TempString : TCefString;
begin
if (aSrcSL <> nil) and (aDstSL <> nil) then
begin
i := 0;
j := pred(cef_string_list_size(aSrcSL));
while (i < j) do
begin
FillChar(TempString, SizeOf(TempString), 0);
cef_string_list_value(aSrcSL, i, @TempString);
aDstSL.Add(CefStringClearAndGet(TempString));
inc(i);
end;
end;
end;
function CefStringClearAndGet(var str: TCefString): ustring;
begin
Result := CefString(@str);
cef_string_utf16_clear(@str);
end;
function CefGetObject(ptr: Pointer): TObject; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
begin
Dec(PByte(ptr), SizeOf(Pointer));
Result := TObject(PPointer(ptr)^);
end;
function CefGetData(const i: ICefBaseRefCounted): Pointer; {$IFDEF SUPPORTS_INLINE} inline; {$ENDIF}
begin
if (i <> nil) then
Result := i.Wrap
else
Result := nil;
end;
function CefString(const str: PCefString): ustring;
begin
if (str <> nil) then
SetString(Result, str.str, str.length)
else
Result := '';
end;
function CefString(const str: ustring): TCefString;
begin
Result.str := PChar16(PWideChar(str));
Result.length := Length(str);
Result.dtor := nil;
end;
procedure CefStringFree(const str: PCefString);
begin
if (str <> nil) then cef_string_utf16_clear(str);
end;
procedure CefStringSet(const str: PCefString; const value: ustring);
begin
if (str <> nil) then cef_string_utf16_set(PWideChar(value), Length(value), str, 1);
end;
function CefStringFreeAndGet(const str: PCefStringUserFree): ustring;
begin
if (str <> nil) then
begin
Result := CefString(PCefString(str));
cef_string_userfree_utf16_free(str);
end
else
Result := '';
end;
function CefStringAlloc(const str: ustring): TCefString;
begin
FillChar(Result, SizeOf(Result), 0);
if (str <> '') then cef_string_wide_to_utf16(PWideChar(str), Length(str), @Result);
end;
procedure _free_string(str: PChar16); stdcall;
begin
if (str <> nil) then FreeMem(str);
end;
function CefUserFreeString(const str: ustring): PCefStringUserFree;
begin
Result := cef_string_userfree_utf16_alloc;
Result.length := Length(str);
GetMem(Result.str, Result.length * SizeOf(TCefChar));
Move(PCefChar(str)^, Result.str^, Result.length * SizeOf(TCefChar));
Result.dtor := @_free_string;
end;
function CefExecuteProcess(var app : ICefApp; aWindowsSandboxInfo : Pointer) : integer;
begin
Result := cef_execute_process(@HInstance, CefGetData(app), aWindowsSandboxInfo);
end;
function CefRegisterExtension(const name, code: ustring; const Handler: ICefv8Handler): Boolean;
var
n, c : TCefString;
begin
n := CefString(name);
c := CefString(code);
Result := cef_register_extension(@n, @c, CefGetData(handler)) <> 0;
end;
procedure CefPostTask(ThreadId: TCefThreadId; const task: ICefTask);
begin
cef_post_task(ThreadId, CefGetData(task));
end;
procedure CefPostDelayedTask(ThreadId: TCefThreadId; const task: ICefTask; delayMs: Int64);
begin
cef_post_delayed_task(ThreadId, CefGetData(task), delayMs);
end;
function CefTimeToSystemTime(const dt: TCefTime): TSystemTime;
begin
Result.wYear := dt.year;
Result.wMonth := dt.month;
Result.wDayOfWeek := dt.day_of_week;
Result.wDay := dt.day_of_month;
Result.wHour := dt.hour;
Result.wMinute := dt.minute;
Result.wSecond := dt.second;
Result.wMilliseconds := dt.millisecond;
end;
function SystemTimeToCefTime(const dt: TSystemTime): TCefTime;
begin
Result.year := dt.wYear;
Result.month := dt.wMonth;
Result.day_of_week := dt.wDayOfWeek;
Result.day_of_month := dt.wDay;
Result.hour := dt.wHour;
Result.minute := dt.wMinute;
Result.second := dt.wSecond;
Result.millisecond := dt.wMilliseconds;
end;
function CefTimeToDateTime(const dt: TCefTime): TDateTime;
var
st: TSystemTime;
begin
st := CefTimeToSystemTime(dt);
SystemTimeToTzSpecificLocalTime(nil, @st, @st);
Result := SystemTimeToDateTime(st);
end;
function DateTimeToCefTime(dt: TDateTime): TCefTime;
var
st: TSystemTime;
begin
DateTimeToSystemTime(dt, st);
TzSpecificLocalTimeToSystemTime(nil, @st, @st);
Result := SystemTimeToCefTime(st);
end;
function cef_string_wide_copy(const src: PWideChar; src_len: NativeUInt; output: PCefStringWide): Integer;
begin
Result := cef_string_wide_set(src, src_len, output, ord(True));
end;
function cef_string_utf8_copy(const src: PAnsiChar; src_len: NativeUInt; output: PCefStringUtf8): Integer;
begin
Result := cef_string_utf8_set(src, src_len, output, ord(True));
end;
function cef_string_utf16_copy(const src: PChar16; src_len: NativeUInt; output: PCefStringUtf16): Integer;
begin
Result := cef_string_utf16_set(src, src_len, output, ord(True));
end;
function cef_string_copy(const src: PCefChar; src_len: NativeUInt; output: PCefString): Integer;
begin
Result := cef_string_utf16_set(src, src_len, output, ord(True));
end;
procedure WindowInfoAsChild(var aWindowInfo : TCefWindowInfo; aParent : THandle; aRect : TRect; const aWindowName : string);
begin
aWindowInfo.ex_style := 0;
aWindowInfo.window_name := CefString(aWindowName);
aWindowInfo.style := WS_CHILD or WS_VISIBLE or WS_CLIPCHILDREN or WS_CLIPSIBLINGS or WS_TABSTOP;
aWindowInfo.x := aRect.left;
aWindowInfo.y := aRect.top;
aWindowInfo.width := aRect.right - aRect.left;
aWindowInfo.height := aRect.bottom - aRect.top;
aWindowInfo.parent_window := aParent;
aWindowInfo.menu := 0;
aWindowInfo.windowless_rendering_enabled := ord(False);
aWindowInfo.window := 0;
end;
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.