mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-16 08:15:55 +01:00
365 lines
14 KiB
ObjectPascal
365 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 © 2018 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 uCEFRequestContext;
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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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System.Classes, System.SysUtils,
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{$ELSE}
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Classes, SysUtils,
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{$ENDIF}
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefRequestContextRef = class(TCefBaseRefCountedRef, ICefRequestContext)
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protected
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function IsSame(const other: ICefRequestContext): Boolean;
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function IsSharingWith(const other: ICefRequestContext): Boolean;
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function IsGlobal: Boolean;
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function GetHandler: ICefRequestContextHandler;
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function GetCachePath: ustring;
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function GetDefaultCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
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function GetDefaultCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
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function RegisterSchemeHandlerFactory(const schemeName, domainName: ustring; const factory: ICefSchemeHandlerFactory): Boolean;
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function ClearSchemeHandlerFactories: Boolean;
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procedure PurgePluginListCache(reloadPages: Boolean);
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function HasPreference(const name: ustring): Boolean;
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function GetPreference(const name: ustring): ICefValue;
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function GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
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function CanSetPreference(const name: ustring): Boolean;
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function SetPreference(const name: ustring; const value: ICefValue; out error: ustring): Boolean;
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procedure ClearCertificateExceptions(const callback: ICefCompletionCallback);
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procedure CloseAllConnections(const callback: ICefCompletionCallback);
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procedure ResolveHost(const origin: ustring; const callback: ICefResolveCallback);
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function ResolveHostCached(const origin: ustring; const resolvedIps: TStrings): TCefErrorCode;
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procedure LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
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function DidLoadExtension(const extension_id: ustring): boolean;
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function HasExtension(const extension_id: ustring): boolean;
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function GetExtensions(const extension_ids: TStringList): boolean;
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function GetExtension(const extension_id: ustring): ICefExtension;
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public
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class function UnWrap(data: Pointer): ICefRequestContext;
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class function Global: ICefRequestContext;
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class function New(const settings: PCefRequestContextSettings; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
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class function New(const aCache, aAcceptLanguageList : ustring; aPersistSessionCookies, aPersistUserPreferences, aIgnoreCertificateErrors, aEnableNetSecurityExpiration : boolean; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
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class function Shared(const other: ICefRequestContext; const handler: ICefRequestContextHandler): ICefRequestContext;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFValue, uCEFDictionaryValue, uCEFCookieManager,
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uCEFCompletionCallback, uCEFRequestContextHandler, uCEFExtension;
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function TCefRequestContextRef.ClearSchemeHandlerFactories: Boolean;
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begin
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Result := PCefRequestContext(FData).clear_scheme_handler_factories(FData) <> 0;
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end;
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function TCefRequestContextRef.GetCachePath: ustring;
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begin
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Result := CefStringFreeAndGet(PCefRequestContext(FData).get_cache_path(FData));
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end;
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function TCefRequestContextRef.GetDefaultCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
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begin
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Result := TCefCookieManagerRef.UnWrap(PCefRequestContext(FData).get_default_cookie_manager(FData, CefGetData(callback)));
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end;
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function TCefRequestContextRef.GetDefaultCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
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begin
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Result := GetDefaultCookieManager(TCefFastCompletionCallback.Create(callback));
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end;
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function TCefRequestContextRef.GetHandler: ICefRequestContextHandler;
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begin
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Result := TCefRequestContextHandlerRef.UnWrap(PCefRequestContext(FData).get_handler(FData));
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end;
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class function TCefRequestContextRef.Global: ICefRequestContext;
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begin
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Result := UnWrap(cef_request_context_get_global_context());
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end;
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function TCefRequestContextRef.IsGlobal: Boolean;
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begin
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Result := PCefRequestContext(FData).is_global(FData) <> 0;
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end;
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function TCefRequestContextRef.IsSame(const other: ICefRequestContext): Boolean;
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begin
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Result := PCefRequestContext(FData).is_same(FData, CefGetData(other)) <> 0;
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end;
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function TCefRequestContextRef.IsSharingWith(const other: ICefRequestContext): Boolean;
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begin
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Result := PCefRequestContext(FData).is_sharing_with(FData, CefGetData(other)) <> 0;
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end;
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class function TCefRequestContextRef.New(const settings: PCefRequestContextSettings;
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const handler: ICefRequestContextHandler): ICefRequestContext;
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begin
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Result := UnWrap(cef_request_context_create_context(settings, CefGetData(handler)));
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end;
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class function TCefRequestContextRef.New(const aCache : ustring;
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const aAcceptLanguageList : ustring;
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aPersistSessionCookies : boolean;
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aPersistUserPreferences : boolean;
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aIgnoreCertificateErrors : boolean;
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aEnableNetSecurityExpiration : boolean;
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const handler : ICefRequestContextHandler): ICefRequestContext;
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var
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TempSettings : TCefRequestContextSettings;
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begin
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TempSettings.size := SizeOf(TCefRequestContextSettings);
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TempSettings.cache_path := CefString(aCache);
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TempSettings.persist_session_cookies := Ord(aPersistSessionCookies);
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TempSettings.persist_user_preferences := Ord(aPersistUserPreferences);
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TempSettings.ignore_certificate_errors := Ord(aIgnoreCertificateErrors);
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TempSettings.enable_net_security_expiration := Ord(aEnableNetSecurityExpiration);
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TempSettings.accept_language_list := CefString(aAcceptLanguageList);
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Result := UnWrap(cef_request_context_create_context(@TempSettings, CefGetData(handler)));
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end;
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procedure TCefRequestContextRef.PurgePluginListCache(reloadPages: Boolean);
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begin
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PCefRequestContext(FData).purge_plugin_list_cache(FData, Ord(reloadPages));
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end;
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function TCefRequestContextRef.HasPreference(const name: ustring): Boolean;
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var
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n : TCefString;
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begin
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n := CefString(name);
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Result := PCefRequestContext(FData).has_preference(FData, @n) <> 0;
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end;
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function TCefRequestContextRef.GetPreference(const name: ustring): ICefValue;
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var
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n : TCefString;
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begin
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n := CefString(name);
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Result := TCefValueRef.UnWrap(PCefRequestContext(FData).get_preference(FData, @n));
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end;
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function TCefRequestContextRef.GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
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begin
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Result := TCefDictionaryValueRef.UnWrap(PCefRequestContext(FData).get_all_preferences(FData, Ord(includeDefaults)));
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end;
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function TCefRequestContextRef.CanSetPreference(const name: ustring): Boolean;
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var
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n: TCefString;
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begin
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n := CefString(name);
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Result := PCefRequestContext(FData).can_set_preference(FData, @n) <> 0;
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end;
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function TCefRequestContextRef.SetPreference(const name : ustring;
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const value : ICefValue;
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out error : ustring): Boolean;
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var
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n, e: TCefString;
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begin
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n := CefString(name);
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FillChar(e, SizeOf(e), 0);
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Result := PCefRequestContext(FData).set_preference(FData, @n, CefGetData(value), @e) <> 0;
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error := CefString(@e);
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end;
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procedure TCefRequestContextRef.ClearCertificateExceptions(const callback: ICefCompletionCallback);
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begin
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PCefRequestContext(FData).clear_certificate_exceptions(FData, CefGetData(callback));
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end;
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procedure TCefRequestContextRef.CloseAllConnections(const callback: ICefCompletionCallback);
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begin
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PCefRequestContext(FData).close_all_connections(FData, CefGetData(callback));
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end;
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procedure TCefRequestContextRef.ResolveHost(const origin : ustring;
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const callback : ICefResolveCallback);
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var
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o: TCefString;
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begin
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o := CefString(origin);
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PCefRequestContext(FData).resolve_host(FData, @o, CefGetData(callback));
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end;
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function TCefRequestContextRef.ResolveHostCached(const origin : ustring;
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const resolvedIps : TStrings): TCefErrorCode;
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var
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ips : TCefStringList;
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TempOrigin, TempString : TCefString;
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i, j : NativeUInt;
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begin
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ips := cef_string_list_alloc;
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try
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TempOrigin := CefString(origin);
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Result := PCefRequestContext(FData).resolve_host_cached(FData, @TempOrigin, ips);
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if (resolvedIps <> nil) and (ips <> nil) then
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begin
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i := 0;
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j := cef_string_list_size(ips);
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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(ips, i, @TempString);
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resolvedIps.Add(CefStringClearAndGet(TempString));
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inc(i);
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end;
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end;
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finally
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cef_string_list_free(ips);
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end;
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end;
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procedure TCefRequestContextRef.LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
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var
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TempDir : TCefString;
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begin
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TempDir := CefString(root_directory);
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PCefRequestContext(FData).load_extension(FData, @TempDir, CefGetData(manifest), CefGetData(handler));
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end;
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function TCefRequestContextRef.DidLoadExtension(const extension_id: ustring): boolean;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := PCefRequestContext(FData).did_load_extension(FData, @TempID) <> 0;
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end;
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function TCefRequestContextRef.HasExtension(const extension_id: ustring): boolean;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := PCefRequestContext(FData).has_extension(FData, @TempID) <> 0;
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end;
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function TCefRequestContextRef.GetExtensions(const extension_ids: TStringList): boolean;
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var
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TempIDs : TCefStringList;
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i, j : NativeUInt;
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TempString : TCefString;
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begin
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TempIDs := nil;
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Result := False;
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try
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try
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if (extension_ids <> nil) then
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begin
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TempIDs := cef_string_list_alloc;
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if (PCefRequestContext(FData).get_extensions(PCefRequestContext(FData), TempIDs) <> 0) then
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begin
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i := 0;
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j := cef_string_list_size(TempIDs);
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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(TempIDs, i, @TempString);
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extension_ids.Add(CefStringClearAndGet(TempString));
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inc(i);
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end;
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Result := True;
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end;
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end;
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except
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on e : exception do
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if CustomExceptionHandler('TCefRequestContextRef.GetExtensions', e) then raise;
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end;
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finally
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if (TempIDs <> nil) then cef_string_list_free(TempIDs);
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end;
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end;
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function TCefRequestContextRef.GetExtension(const extension_id: ustring): ICefExtension;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := TCefExtensionRef.UnWrap(PCefRequestContext(FData).get_extension(FData, @TempID));
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end;
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function TCefRequestContextRef.RegisterSchemeHandlerFactory(const schemeName : ustring;
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const domainName : ustring;
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const factory : ICefSchemeHandlerFactory): Boolean;
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var
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s, d: TCefString;
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begin
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s := CefString(schemeName);
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d := CefString(domainName);
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Result := PCefRequestContext(FData).register_scheme_handler_factory(FData, @s, @d, CefGetData(factory)) <> 0;
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end;
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class function TCefRequestContextRef.Shared(const other : ICefRequestContext;
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const handler : ICefRequestContextHandler): ICefRequestContext;
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begin
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Result := UnWrap(cef_create_context_shared(CefGetData(other), CefGetData(handler)));
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end;
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class function TCefRequestContextRef.UnWrap(data: Pointer): ICefRequestContext;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefRequestContext
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else
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Result := nil;
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end;
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end.
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