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CEF4Delphi/source/uCEFDomDocument.pas

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// 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 � 2019 Salvador Diaz Fau. All rights reserved.
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//
// ************************************************************************
// ************ 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 uCEFDomDocument;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
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{$I cef.inc}
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interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
TCefDomDocumentRef = class(TCefBaseRefCountedRef, ICefDomDocument)
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protected
function GetType: TCefDomDocumentType;
function GetDocument: ICefDomNode;
function GetBody: ICefDomNode;
function GetHead: ICefDomNode;
function GetTitle: ustring;
function GetElementById(const id: ustring): ICefDomNode;
function GetFocusedNode: ICefDomNode;
function HasSelection: Boolean;
function GetSelectionStartOffset: Integer;
function GetSelectionEndOffset: Integer;
function GetSelectionAsMarkup: ustring;
function GetSelectionAsText: ustring;
function GetBaseUrl: ustring;
function GetCompleteUrl(const partialURL: ustring): ustring;
public
class function UnWrap(data: Pointer): ICefDomDocument;
end;
implementation
uses
uCEFMiscFunctions, uCEFDomNode;
function TCefDomDocumentRef.GetBaseUrl: ustring;
begin
Result := CefStringFreeAndGet(PCefDomDocument(FData)^.get_base_url(PCefDomDocument(FData)))
end;
function TCefDomDocumentRef.GetBody: ICefDomNode;
begin
Result := TCefDomNodeRef.UnWrap(PCefDomDocument(FData)^.get_body(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetCompleteUrl(const partialURL: ustring): ustring;
var
TempPartialURL : TCefString;
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begin
TempPartialURL := CefString(partialURL);
Result := CefStringFreeAndGet(PCefDomDocument(FData)^.get_complete_url(PCefDomDocument(FData), @TempPartialURL));
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end;
function TCefDomDocumentRef.GetDocument: ICefDomNode;
begin
Result := TCefDomNodeRef.UnWrap(PCefDomDocument(FData)^.get_document(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetElementById(const id: ustring): ICefDomNode;
var
TempID : TCefString;
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begin
TempID := CefString(id);
Result := TCefDomNodeRef.UnWrap(PCefDomDocument(FData)^.get_element_by_id(PCefDomDocument(FData), @TempID));
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end;
function TCefDomDocumentRef.GetFocusedNode: ICefDomNode;
begin
Result := TCefDomNodeRef.UnWrap(PCefDomDocument(FData)^.get_focused_node(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetHead: ICefDomNode;
begin
Result := TCefDomNodeRef.UnWrap(PCefDomDocument(FData)^.get_head(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetSelectionAsMarkup: ustring;
begin
Result := CefStringFreeAndGet(PCefDomDocument(FData)^.get_selection_as_markup(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetSelectionAsText: ustring;
begin
Result := CefStringFreeAndGet(PCefDomDocument(FData)^.get_selection_as_text(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetSelectionEndOffset: Integer;
begin
Result := PCefDomDocument(FData)^.get_selection_end_offset(PCefDomDocument(FData));
end;
function TCefDomDocumentRef.GetSelectionStartOffset: Integer;
begin
Result := PCefDomDocument(FData)^.get_selection_start_offset(PCefDomDocument(FData));
end;
function TCefDomDocumentRef.GetTitle: ustring;
begin
Result := CefStringFreeAndGet(PCefDomDocument(FData)^.get_title(PCefDomDocument(FData)));
end;
function TCefDomDocumentRef.GetType: TCefDomDocumentType;
begin
Result := PCefDomDocument(FData)^.get_type(PCefDomDocument(FData));
end;
function TCefDomDocumentRef.HasSelection: Boolean;
begin
Result := PCefDomDocument(FData)^.has_selection(PCefDomDocument(FData)) <> 0;
end;
class function TCefDomDocumentRef.UnWrap(data: Pointer): ICefDomDocument;
begin
if (data <> nil) then
Result := Create(data) as ICefDomDocument
else
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Result := nil;
end;
end.