mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
417 lines
14 KiB
ObjectPascal
417 lines
14 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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interface
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uses
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WinApi.Windows, System.Classes, System.SysUtils,
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uCEFTypes, uCEFInterfaces, uCEFLibFunctions;
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const
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Kernel32DLL = 'kernel32.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;
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function CefGetData(const i: ICefBase): Pointer;
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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; aTransparent : boolean; 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 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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implementation
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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; inline;
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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: ICefBase): Pointer; inline;
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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
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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
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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 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
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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
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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.transparent_painting_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);
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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_OVERLAPPEDWINDOW or WS_CLIPCHILDREN or WS_CLIPSIBLINGS or WS_VISIBLE;
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aWindowInfo.x := integer(CW_USEDEFAULT);
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aWindowInfo.y := integer(CW_USEDEFAULT);
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aWindowInfo.width := integer(CW_USEDEFAULT);
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aWindowInfo.height := integer(CW_USEDEFAULT);
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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.transparent_painting_enabled := ord(False);
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aWindowInfo.window := 0;
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end;
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procedure WindowInfoAsWindowless(var aWindowInfo : TCefWindowInfo; aParent : THandle; aTransparent : boolean; 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 := 0;
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aWindowInfo.x := 0;
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aWindowInfo.y := 0;
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aWindowInfo.width := 0;
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aWindowInfo.height := 0;
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aWindowInfo.parent_window := aParent;
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aWindowInfo.menu := 0;
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aWindowInfo.windowless_rendering_enabled := ord(True);
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aWindowInfo.transparent_painting_enabled := ord(aTransparent);
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aWindowInfo.window := 0;
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end;
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function CefIsCertStatusError(Status : TCefCertStatus) : boolean;
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begin
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Result := (cef_is_cert_status_error(Status) <> 0);
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end;
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function CefIsCertStatusMinorError(Status : TCefCertStatus) : boolean;
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begin
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Result := (cef_is_cert_status_minor_error(Status) <> 0);
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end;
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function CefCrashReportingEnabled : boolean;
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begin
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Result := (cef_crash_reporting_enabled <> 0);
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end;
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procedure CefSetCrashKeyValue(const aKey, aValue : ustring);
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var
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TempKey, TempValue : TCefString;
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begin
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TempKey := CefString(aKey);
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TempValue := CefString(aValue);
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cef_set_crash_key_value(@TempKey, @TempValue);
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end;
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end.
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