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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-12-04 09:26:52 +02:00
CEF4Delphi/source/uCEFRequestContext.pas
2019-09-10 13:09:14 +02:00

318 lines
13 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 © 2019 Salvador Diaz 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 uCEFRequestContext;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefRequestContextRef = class(TCefBaseRefCountedRef, ICefRequestContext)
protected
function IsSame(const other: ICefRequestContext): Boolean;
function IsSharingWith(const other: ICefRequestContext): Boolean;
function IsGlobal: Boolean;
function GetHandler: ICefRequestContextHandler;
function GetCachePath: ustring;
function GetCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
function GetCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
function RegisterSchemeHandlerFactory(const schemeName, domainName: ustring; const factory: ICefSchemeHandlerFactory): Boolean;
function ClearSchemeHandlerFactories: Boolean;
procedure PurgePluginListCache(reloadPages: Boolean);
function HasPreference(const name: ustring): Boolean;
function GetPreference(const name: ustring): ICefValue;
function GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
function CanSetPreference(const name: ustring): Boolean;
function SetPreference(const name: ustring; const value: ICefValue; out error: ustring): Boolean;
procedure ClearCertificateExceptions(const callback: ICefCompletionCallback);
procedure ClearHttpAuthCredentials(const callback: ICefCompletionCallback);
procedure CloseAllConnections(const callback: ICefCompletionCallback);
procedure ResolveHost(const origin: ustring; const callback: ICefResolveCallback);
procedure LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
function DidLoadExtension(const extension_id: ustring): boolean;
function HasExtension(const extension_id: ustring): boolean;
function GetExtensions(const extension_ids: TStringList): boolean;
function GetExtension(const extension_id: ustring): ICefExtension;
public
class function UnWrap(data: Pointer): ICefRequestContext;
class function Global: ICefRequestContext;
class function New(const settings: PCefRequestContextSettings; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
class function New(const aCache, aAcceptLanguageList : ustring; aPersistSessionCookies, aPersistUserPreferences, aIgnoreCertificateErrors, aEnableNetSecurityExpiration : boolean; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
class function Shared(const other: ICefRequestContext; const handler: ICefRequestContextHandler): ICefRequestContext;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFValue, uCEFDictionaryValue, uCEFCookieManager,
uCEFCompletionCallback, uCEFRequestContextHandler, uCEFExtension, uCEFStringList;
function TCefRequestContextRef.ClearSchemeHandlerFactories: Boolean;
begin
Result := PCefRequestContext(FData)^.clear_scheme_handler_factories(PCefRequestContext(FData)) <> 0;
end;
function TCefRequestContextRef.GetCachePath: ustring;
begin
Result := CefStringFreeAndGet(PCefRequestContext(FData)^.get_cache_path(PCefRequestContext(FData)));
end;
function TCefRequestContextRef.GetCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
begin
Result := TCefCookieManagerRef.UnWrap(PCefRequestContext(FData)^.get_cookie_manager(PCefRequestContext(FData), CefGetData(callback)));
end;
function TCefRequestContextRef.GetCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
begin
Result := GetCookieManager(TCefFastCompletionCallback.Create(callback));
end;
function TCefRequestContextRef.GetHandler: ICefRequestContextHandler;
begin
Result := TCefRequestContextHandlerRef.UnWrap(PCefRequestContext(FData)^.get_handler(PCefRequestContext(FData)));
end;
class function TCefRequestContextRef.Global: ICefRequestContext;
begin
Result := UnWrap(cef_request_context_get_global_context());
end;
function TCefRequestContextRef.IsGlobal: Boolean;
begin
Result := PCefRequestContext(FData)^.is_global(PCefRequestContext(FData)) <> 0;
end;
function TCefRequestContextRef.IsSame(const other: ICefRequestContext): Boolean;
begin
Result := PCefRequestContext(FData)^.is_same(PCefRequestContext(FData), CefGetData(other)) <> 0;
end;
function TCefRequestContextRef.IsSharingWith(const other: ICefRequestContext): Boolean;
begin
Result := PCefRequestContext(FData)^.is_sharing_with(PCefRequestContext(FData), CefGetData(other)) <> 0;
end;
class function TCefRequestContextRef.New(const settings : PCefRequestContextSettings;
const handler : ICefRequestContextHandler): ICefRequestContext;
begin
Result := UnWrap(cef_request_context_create_context(settings, CefGetData(handler)));
end;
class function TCefRequestContextRef.New(const aCache : ustring;
const aAcceptLanguageList : ustring;
aPersistSessionCookies : boolean;
aPersistUserPreferences : boolean;
aIgnoreCertificateErrors : boolean;
aEnableNetSecurityExpiration : boolean;
const handler : ICefRequestContextHandler): ICefRequestContext;
var
TempSettings : TCefRequestContextSettings;
begin
TempSettings.size := SizeOf(TCefRequestContextSettings);
TempSettings.cache_path := CefString(aCache);
TempSettings.persist_session_cookies := Ord(aPersistSessionCookies);
TempSettings.persist_user_preferences := Ord(aPersistUserPreferences);
TempSettings.ignore_certificate_errors := Ord(aIgnoreCertificateErrors);
TempSettings.enable_net_security_expiration := Ord(aEnableNetSecurityExpiration);
TempSettings.accept_language_list := CefString(aAcceptLanguageList);
Result := UnWrap(cef_request_context_create_context(@TempSettings, CefGetData(handler)));
end;
procedure TCefRequestContextRef.PurgePluginListCache(reloadPages: Boolean);
begin
PCefRequestContext(FData)^.purge_plugin_list_cache(PCefRequestContext(FData), Ord(reloadPages));
end;
function TCefRequestContextRef.HasPreference(const name: ustring): Boolean;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := PCefRequestContext(FData)^.has_preference(PCefRequestContext(FData), @TempName) <> 0;
end;
function TCefRequestContextRef.GetPreference(const name: ustring): ICefValue;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := TCefValueRef.UnWrap(PCefRequestContext(FData)^.get_preference(PCefRequestContext(FData), @TempName));
end;
function TCefRequestContextRef.GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
begin
Result := TCefDictionaryValueRef.UnWrap(PCefRequestContext(FData)^.get_all_preferences(PCefRequestContext(FData), Ord(includeDefaults)));
end;
function TCefRequestContextRef.CanSetPreference(const name: ustring): Boolean;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := PCefRequestContext(FData)^.can_set_preference(PCefRequestContext(FData), @TempName) <> 0;
end;
function TCefRequestContextRef.SetPreference(const name : ustring;
const value : ICefValue;
out error : ustring): Boolean;
var
TempName, TempError : TCefString;
begin
TempName := CefString(name);
FillChar(TempError, SizeOf(TempError), 0);
Result := PCefRequestContext(FData)^.set_preference(PCefRequestContext(FData), @TempName, CefGetData(value), @TempError) <> 0;
error := CefString(@TempError);
end;
procedure TCefRequestContextRef.ClearCertificateExceptions(const callback: ICefCompletionCallback);
begin
PCefRequestContext(FData)^.clear_certificate_exceptions(PCefRequestContext(FData), CefGetData(callback));
end;
procedure TCefRequestContextRef.ClearHttpAuthCredentials(const callback: ICefCompletionCallback);
begin
PCefRequestContext(FData)^.clear_http_auth_credentials(PCefRequestContext(FData), CefGetData(callback));
end;
procedure TCefRequestContextRef.CloseAllConnections(const callback: ICefCompletionCallback);
begin
PCefRequestContext(FData)^.close_all_connections(PCefRequestContext(FData), CefGetData(callback));
end;
procedure TCefRequestContextRef.ResolveHost(const origin : ustring;
const callback : ICefResolveCallback);
var
TempOrigin : TCefString;
begin
TempOrigin := CefString(origin);
PCefRequestContext(FData)^.resolve_host(PCefRequestContext(FData), @TempOrigin, CefGetData(callback));
end;
procedure TCefRequestContextRef.LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
var
TempDir : TCefString;
begin
TempDir := CefString(root_directory);
PCefRequestContext(FData)^.load_extension(PCefRequestContext(FData), @TempDir, CefGetData(manifest), CefGetData(handler));
end;
function TCefRequestContextRef.DidLoadExtension(const extension_id: ustring): boolean;
var
TempID : TCefString;
begin
TempID := CefString(extension_id);
Result := PCefRequestContext(FData)^.did_load_extension(PCefRequestContext(FData), @TempID) <> 0;
end;
function TCefRequestContextRef.HasExtension(const extension_id: ustring): boolean;
var
TempID : TCefString;
begin
TempID := CefString(extension_id);
Result := PCefRequestContext(FData)^.has_extension(PCefRequestContext(FData), @TempID) <> 0;
end;
function TCefRequestContextRef.GetExtensions(const extension_ids: TStringList): boolean;
var
TempSL : ICefStringList;
begin
Result := False;
TempSL := TCefStringListOwn.Create;
if (PCefRequestContext(FData)^.get_extensions(PCefRequestContext(FData), TempSL.Handle) <> 0) then
begin
TempSL.CopyToStrings(extension_ids);
Result := True;
end;
end;
function TCefRequestContextRef.GetExtension(const extension_id: ustring): ICefExtension;
var
TempID : TCefString;
begin
TempID := CefString(extension_id);
Result := TCefExtensionRef.UnWrap(PCefRequestContext(FData)^.get_extension(PCefRequestContext(FData), @TempID));
end;
function TCefRequestContextRef.RegisterSchemeHandlerFactory(const schemeName : ustring;
const domainName : ustring;
const factory : ICefSchemeHandlerFactory): Boolean;
var
TempScheme, TempDomain : TCefString;
begin
TempScheme := CefString(schemeName);
TempDomain := CefString(domainName);
Result := PCefRequestContext(FData)^.register_scheme_handler_factory(PCefRequestContext(FData),
@TempScheme,
@TempDomain,
CefGetData(factory)) <> 0;
end;
class function TCefRequestContextRef.Shared(const other : ICefRequestContext;
const handler : ICefRequestContextHandler): ICefRequestContext;
begin
Result := UnWrap(cef_create_context_shared(CefGetData(other), CefGetData(handler)));
end;
class function TCefRequestContextRef.UnWrap(data: Pointer): ICefRequestContext;
begin
if (data <> nil) then
Result := Create(data) as ICefRequestContext
else
Result := nil;
end;
end.