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cefgui.pas
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(*
* 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 <[email protected]>
* 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 cefgui;
{$I cef.inc}
interface
uses
Classes, ceflib;
type
TOnProcessMessageReceived = procedure(Sender: TObject; const browser: ICefBrowser;
sourceProcess: TCefProcessId; const message: ICefProcessMessage; out Result: Boolean) of object;
TOnLoadingStateChange = procedure(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean) of object;
TOnLoadStart = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame) of object;
TOnLoadEnd = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer) of object;
TOnLoadError = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer;
const errorText, failedUrl: ustring) of object;
TOnTakeFocus = procedure(Sender: TObject; const browser: ICefBrowser; next: Boolean) of object;
TOnSetFocus = procedure(Sender: TObject; const browser: ICefBrowser; source: TCefFocusSource; out Result: Boolean) of object;
TOnGotFocus = procedure(Sender: TObject; const browser: ICefBrowser) of object;
TOnBeforeContextMenu = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel) of object;
TOnContextMenuCommand = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
eventFlags: TCefEventFlags; out Result: Boolean) of object;
TOnContextMenuDismissed = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame) of object;
TOnPreKeyEvent = procedure(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean; out Result: Boolean) of object;
TOnKeyEvent = procedure(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle; out Result: Boolean) of object;
TOnAddressChange = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const url: ustring) of object;
TOnTitleChange = procedure(Sender: TObject; const browser: ICefBrowser; const title: ustring) of object;
TOnFavIconUrlChange = procedure(Sender: TObject; const browser: ICefBrowser; const iconUrls: TStrings) of object;
TOnFullScreenModeChange = procedure(Sender: TObject; const browser: ICefBrowser; fullscreen: Boolean) of object;
TOnTooltip = procedure(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean) of object;
TOnStatusMessage = procedure(Sender: TObject; const browser: ICefBrowser; const value: ustring) of object;
TOnConsoleMessage = procedure(Sender: TObject; const browser: ICefBrowser; const message, source: ustring; line: Integer; out Result: Boolean) of object;
TOnBeforeDownload = procedure(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const suggestedName: ustring; const callback: ICefBeforeDownloadCallback) of object;
TOnDownloadUpdated = procedure(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const callback: ICefDownloadItemCallback) of object;
TOnRequestGeolocationPermission = procedure(Sender: TObject; const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback; out Result: Boolean) of object;
TOnCancelGeolocationPermission = procedure(Sender: TObject; const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer) of object;
TOnJsdialog = procedure(Sender: TObject; const browser: ICefBrowser; const originUrl, acceptLang: ustring;
dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring;
callback: ICefJsDialogCallback; out suppressMessage: Boolean; out Result: Boolean) of object;
TOnBeforeUnloadDialog = procedure(Sender: TObject; const browser: ICefBrowser;
const messageText: ustring; isReload: Boolean;
const callback: ICefJsDialogCallback; out Result: Boolean) of object;
TOnResetDialogState = procedure(Sender: TObject; const browser: ICefBrowser) of object;
TOnDialogClosed = procedure(Sender: TObject; const browser: ICefBrowser) of object;
TOnBeforePopup = procedure(Sender: TObject; const browser: ICefBrowser;
const frame: ICefFrame; const targetUrl, targetFrameName: ustring;
targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean;
var popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; out Result: Boolean) of object;
TOnAfterCreated = procedure(Sender: TObject; const browser: ICefBrowser) of object;
TOnBeforeClose = procedure(Sender: TObject; const browser: ICefBrowser) of object;
TOnRunModal = procedure(Sender: TObject; const browser: ICefBrowser; out Result: Boolean) of object;
TOnClose = procedure(Sender: TObject; const browser: ICefBrowser; out Result: Boolean) of object;
TOnBeforeBrowse = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; isRedirect: Boolean; out Result: Boolean) of object;
TOnOpenUrlFromTab = procedure(Sender: TObject; const browser: ICefBrowser;
const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean; out Result: Boolean) of Object;
TOnBeforeResourceLoad = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const callback: ICefRequestCallback; out Result: TCefReturnValue) of object;
TOnGetResourceHandler = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; out Result: ICefResourceHandler) of object;
TOnResourceRedirect = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; var newUrl: ustring) of object;
TOnResourceResponse = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const response: ICefResponse; out Result: Boolean) of Object;
TOnGetAuthCredentials = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring;
const callback: ICefAuthCallback; out Result: Boolean) of object;
TOnQuotaRequest = procedure(Sender: TObject; const browser: ICefBrowser;
const originUrl: ustring; newSize: Int64; const callback: ICefRequestCallback;
out Result: Boolean) of object;
TOnProtocolExecution = procedure(Sender: TObject; const browser: ICefBrowser;
const url: ustring; out allowOsExecution: Boolean) of object;
TOnCertificateError = procedure(Sender: TObject; const browser: ICefBrowser;
certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo;
const callback: ICefRequestCallback; out Result: Boolean) of Object;
TOnPluginCrashed = procedure(Sender: TObject; const browser: ICefBrowser;
const pluginPath: ustring) of object;
TOnRenderViewReady = procedure(Sender: Tobject; const browser: ICefBrowser) of Object;
TOnRenderProcessTerminated = procedure(Sender: TObject; const browser: ICefBrowser;
status: TCefTerminationStatus) of object;
TOnFileDialog = procedure(Sender: TObject; const browser: ICefBrowser;
mode: TCefFileDialogMode; const title, defaultFilePath: ustring;
acceptFilters: TStrings; selectedAcceptFilter: Integer;
const callback: ICefFileDialogCallback; out Result: Boolean) of Object;
TOnGetRootScreenRect = procedure(Sender: TObject; const browser: ICefBrowser;
rect: PCefRect; out Result: Boolean) of Object;
TOnGetViewRect = procedure(Sender: TObject; const browser: ICefBrowser;
rect: PCefRect; out Result: Boolean) of Object;
TOnGetScreenPoint = procedure(Sender: TObject; const browser: ICefBrowser;
viewX, viewY: Integer; screenX, screenY: PInteger; out Result: Boolean) of Object;
TOnGetScreenInfo = procedure(Sender: TObject; const browser: ICefBrowser;
screenInfo: PCefScreenInfo; Result: Boolean) of Object;
TOnPopupShow = procedure(Sender: TObject; const browser: ICefBrowser;
show: Boolean) of Object;
TOnPopupSize = procedure(Sender: TObject; const browser: ICefBrowser;
const rect: PCefRect) of Object;
TOnPaint = procedure(Sender: TObject; const browser: ICefBrowser;
kind: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray;
const buffer: Pointer; width, height: Integer) of Object;
TOnCursorChange = procedure(Sender: TObject; const browser: ICefBrowser;
cursor: TCefCursorHandle; cursorType: TCefCursorType;
const customCursorInfo: PCefCursorInfo) of Object;
TOnStartDragging = procedure(Sender: TObject; const browser: ICefBrowser;
const dragData: ICefDragData; allowedOps: TCefDragOperations; x,
y: Integer; out Result: Boolean) of Object;
TOnUpdateDragCursor = procedure(Sender: TObject; const browser: ICefBrowser;
operation: TCefDragOperation) of Object;
TOnScrollOffsetChanged = procedure(Sender: TObject; const browser: ICefBrowser; x, y: Double) of Object;
TOnDragEnter = procedure(Sender: TObject; const browser: ICefBrowser;
const dragData: ICefDragData; mask: TCefDragOperations; out Result: Boolean) of Object;
TOnDraggableRegionsChanged = procedure(Sender: TObject; const browser: ICefBrowser;
regionsCount: NativeUInt; regions: PCefDraggableRegionArray)of Object;
TOnFindResult = procedure(Sender: TObject; const browser: ICefBrowser; identifier,
count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean) of Object;
TChromiumOptions = class(TPersistent)
private
FWindowlessFrameRate: Integer;
FJavascript: TCefState;
FJavascriptOpenWindows: TCefState;
FJavascriptCloseWindows: TCefState;
FJavascriptAccessClipboard: TCefState;
FJavascriptDomPaste: TCefState;
FCaretBrowsing: TCefState;
FJava: TCefState;
FPlugins: TCefState;
FUniversalAccessFromFileUrls: TCefState;
FFileAccessFromFileUrls: TCefState;
FWebSecurity: TCefState;
FImageLoading: TCefState;
FImageShrinkStandaloneToFit: TCefState;
FTextAreaResize: TCefState;
FTabToLinks: TCefState;
FLocalStorage: TCefState;
FDatabases: TCefState;
FApplicationCache: TCefState;
FWebgl: TCefState;
FBackgroundColor: TCefColor;
FAcceptLanguageList: ustring;
public
constructor Create; virtual;
published
property Javascript: TCefState read FJavascript write FJavascript default STATE_DEFAULT;
property JavascriptOpenWindows: TCefState read FJavascriptOpenWindows write FJavascriptOpenWindows default STATE_DEFAULT;
property JavascriptCloseWindows: TCefState read FJavascriptCloseWindows write FJavascriptCloseWindows default STATE_DEFAULT;
property JavascriptAccessClipboard: TCefState read FJavascriptAccessClipboard write FJavascriptAccessClipboard default STATE_DEFAULT;
property JavascriptDomPaste: TCefState read FJavascriptDomPaste write FJavascriptDomPaste default STATE_DEFAULT;
property CaretBrowsing: TCefState read FCaretBrowsing write FCaretBrowsing default STATE_DEFAULT;
property Java: TCefState read FJava write FJava default STATE_DEFAULT;
property Plugins: TCefState read FPlugins write FPlugins default STATE_DEFAULT;
property UniversalAccessFromFileUrls: TCefState read FUniversalAccessFromFileUrls write FUniversalAccessFromFileUrls default STATE_DEFAULT;
property FileAccessFromFileUrls: TCefState read FFileAccessFromFileUrls write FFileAccessFromFileUrls default STATE_DEFAULT;
property WebSecurity: TCefState read FWebSecurity write FWebSecurity default STATE_DEFAULT;
property ImageLoading: TCefState read FImageLoading write FImageLoading default STATE_DEFAULT;
property ImageShrinkStandaloneToFit: TCefState read FImageShrinkStandaloneToFit write FImageShrinkStandaloneToFit default STATE_DEFAULT;
property TextAreaResize: TCefState read FTextAreaResize write FTextAreaResize default STATE_DEFAULT;
property TabToLinks: TCefState read FTabToLinks write FTabToLinks default STATE_DEFAULT;
property LocalStorage: TCefState read FLocalStorage write FLocalStorage default STATE_DEFAULT;
property Databases: TCefState read FDatabases write FDatabases default STATE_DEFAULT;
property ApplicationCache: TCefState read FApplicationCache write FApplicationCache default STATE_DEFAULT;
property Webgl: TCefState read FWebgl write FWebgl default STATE_DEFAULT;
property BackgroundColor: TCefColor read FBackgroundColor write FBackgroundColor default 0;
property AcceptLanguageList: ustring read FAcceptLanguageList write FAcceptLanguageList;
property WindowlessFrameRate: Integer read FWindowlessFrameRate write FWindowlessFrameRate default 30;
end;
TChromiumFontOptions = class(TPersistent)
private
FStandardFontFamily: ustring;
FCursiveFontFamily: ustring;
FSansSerifFontFamily: ustring;
FMinimumLogicalFontSize: Integer;
FFantasyFontFamily: ustring;
FSerifFontFamily: ustring;
FDefaultFixedFontSize: Integer;
FDefaultFontSize: Integer;
FRemoteFontsDisabled: TCefState;
FFixedFontFamily: ustring;
FMinimumFontSize: Integer;
public
constructor Create; virtual;
published
property StandardFontFamily: ustring read FStandardFontFamily;
property FixedFontFamily: ustring read FFixedFontFamily write FFixedFontFamily;
property SerifFontFamily: ustring read FSerifFontFamily write FSerifFontFamily;
property SansSerifFontFamily: ustring read FSansSerifFontFamily write FSansSerifFontFamily;
property CursiveFontFamily: ustring read FCursiveFontFamily write FCursiveFontFamily;
property FantasyFontFamily: ustring read FFantasyFontFamily write FFantasyFontFamily;
property DefaultFontSize: Integer read FDefaultFontSize write FDefaultFontSize default 0;
property DefaultFixedFontSize: Integer read FDefaultFixedFontSize write FDefaultFixedFontSize default 0;
property MinimumFontSize: Integer read FMinimumFontSize write FMinimumFontSize default 0;
property MinimumLogicalFontSize: Integer read FMinimumLogicalFontSize write FMinimumLogicalFontSize default 0;
property RemoteFonts: TCefState read FRemoteFontsDisabled write FRemoteFontsDisabled default STATE_DEFAULT;
end;
IChromiumEvents = interface
['{0C139DB1-0349-4D7F-8155-76FEA6A0126D}']
procedure GetSettings(var settings: TCefBrowserSettings);
function doOnProcessMessageReceived(const browser: ICefBrowser;
sourceProcess: TCefProcessId; const message: ICefProcessMessage): Boolean;
procedure doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
procedure doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame);
procedure doOnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer);
procedure doOnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer;
const errorText, failedUrl: ustring);
procedure doOnTakeFocus(const browser: ICefBrowser; next: Boolean);
function doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean;
procedure doOnGotFocus(const browser: ICefBrowser);
procedure doOnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel);
function doOnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
eventFlags: TCefEventFlags): Boolean;
procedure doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame);
function doOnPreKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean): Boolean;
function doOnKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle): Boolean;
procedure doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
procedure doOnTitleChange(const browser: ICefBrowser; const title: ustring);
procedure doOnFaviconUrlChange(const browser: ICefBrowser; iconUrls: TStrings);
procedure doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean);
function doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean;
procedure doOnStatusMessage(const browser: ICefBrowser; const value: ustring);
function doOnConsoleMessage(const browser: ICefBrowser; const message, source: ustring; line: Integer): Boolean;
function doOnRequestGeolocationPermission(const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean;
procedure doOnCancelGeolocationPermission(const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer);
procedure doOnBeforeDownload(const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const suggestedName: ustring; const callback: ICefBeforeDownloadCallback);
procedure doOnDownloadUpdated(const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const callback: ICefDownloadItemCallback);
function doOnJsdialog(const browser: ICefBrowser; const originUrl, acceptLang: ustring;
dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring;
callback: ICefJsDialogCallback; out suppressMessage: Boolean): Boolean;
function doOnBeforeUnloadDialog(const browser: ICefBrowser;
const messageText: ustring; isReload: Boolean;
const callback: ICefJsDialogCallback): Boolean;
procedure doOnResetDialogState(const browser: ICefBrowser);
procedure doOnDialogClosed(const browser: ICefBrowser);
function doOnBeforePopup(const browser: ICefBrowser;
const frame: ICefFrame; const targetUrl, targetFrameName: ustring;
targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean;
var popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean): Boolean;
procedure doOnAfterCreated(const browser: ICefBrowser);
procedure doOnBeforeClose(const browser: ICefBrowser);
function doOnRunModal(const browser: ICefBrowser): Boolean;
function doOnClose(const browser: ICefBrowser): Boolean;
function doOnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; isRedirect: Boolean): Boolean;
function doOnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame;
const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean): Boolean;
function doOnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue;
function doOnGetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest): ICefResourceHandler;
procedure doOnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; var newUrl: ustring);
function doOnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const response: ICefResponse): Boolean;
function doOnGetAuthCredentials(const browser: ICefBrowser; const frame: ICefFrame;
isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring;
const callback: ICefAuthCallback): Boolean;
function doOnQuotaRequest(const browser: ICefBrowser; const originUrl: ustring;
newSize: Int64; const callback: ICefRequestCallback): Boolean;
procedure doOnProtocolExecution(const browser: ICefBrowser; const url: ustring; out allowOsExecution: Boolean);
function doOnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode;
const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefRequestCallback): Boolean;
procedure doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring);
procedure doOnRenderViewReady(const browser: ICefBrowser);
procedure doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
function doOnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode;
const title, defaultFilePath: ustring; acceptFilters: TStrings;
selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean;
function doOnGetRootScreenRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
function doOnGetViewRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
function doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer;
screenX, screenY: PInteger): Boolean;
function doOnGetScreenInfo(const browser: ICefBrowser; screenInfo: PCefScreenInfo): Boolean;
procedure doOnPopupShow(const browser: ICefBrowser; show: Boolean);
procedure doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
procedure doOnPaint(const browser: ICefBrowser; kind: TCefPaintElementType;
dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray;
const buffer: Pointer; width, height: Integer);
procedure doOnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle;
cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo);
function doOnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData;
allowedOps: TCefDragOperations; x, y: Integer): Boolean;
procedure doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
procedure doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
function doOnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData;
mask: TCefDragOperations): Boolean;
procedure doOnDraggableRegionsChanged(const browser: ICefBrowser;
regionsCount: NativeUInt; regions: PCefDraggableRegionArray);
procedure doOnFindResult(const browser: ICefBrowser; identifier, count: Integer;
const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean);
end;
ICefClientHandler = interface
['{E76F6888-D9C3-4FCE-9C23-E89659820A36}']
procedure Disconnect;
end;
TCustomClientHandler = class(TCefClientOwn, ICefClientHandler)
private
FEvents: IChromiumEvents;
FLoadHandler: ICefLoadHandler;
FFocusHandler: ICefFocusHandler;
FContextMenuHandler: ICefContextMenuHandler;
FDialogHandler: ICefDialogHandler;
FKeyboardHandler: ICefKeyboardHandler;
FDisplayHandler: ICefDisplayHandler;
FDownloadHandler: ICefDownloadHandler;
FGeolocationHandler: ICefGeolocationHandler;
FJsDialogHandler: ICefJsDialogHandler;
FLifeSpanHandler: ICefLifeSpanHandler;
FRenderHandler: ICefRenderHandler;
FRequestHandler: ICefRequestHandler;
FDragHandler: ICefDragHandler;
FFindHandler: ICefFindHandler;
protected
function GetContextMenuHandler: ICefContextMenuHandler; override;
function GetDialogHandler: ICefDialogHandler; override;
function GetDisplayHandler: ICefDisplayHandler; override;
function GetDownloadHandler: ICefDownloadHandler; override;
function GetDragHandler: ICefDragHandler; override;
function GetFindHandler: ICefFindHandler; override;
function GetFocusHandler: ICefFocusHandler; override;
function GetGeolocationHandler: ICefGeolocationHandler; override;
function GetJsdialogHandler: ICefJsdialogHandler; override;
function GetKeyboardHandler: ICefKeyboardHandler; override;
function GetLifeSpanHandler: ICefLifeSpanHandler; override;
function GetRenderHandler: ICefRenderHandler; override;
function GetLoadHandler: ICefLoadHandler; override;
function GetRequestHandler: ICefRequestHandler; override;
function OnProcessMessageReceived(const browser: ICefBrowser;
sourceProcess: TCefProcessId; const message: ICefProcessMessage): Boolean; override;
procedure Disconnect;
public
constructor Create(const events: IChromiumEvents; renderer: Boolean); reintroduce; virtual;
end;
TCustomClientHandlerClass = class of TCustomClientHandler;
TCustomLoadHandler = class(TCefLoadHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); override;
procedure OnLoadStart(const browser: ICefBrowser; const frame: ICefFrame); override;
procedure OnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); override;
procedure OnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer;
const errorText, failedUrl: ustring); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomFocusHandler = class(TCefFocusHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnTakeFocus(const browser: ICefBrowser; next: Boolean); override;
function OnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean; override;
procedure OnGotFocus(const browser: ICefBrowser); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomContextMenuHandler = class(TCefContextMenuHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel); override;
function OnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
eventFlags: TCefEventFlags): Boolean; override;
procedure OnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomDialogHandler = class(TCefDialogHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode;
const title: ustring; const defaultFilePath: ustring;
acceptFilters: TStrings; selectedAcceptFilter: Integer;
const callback: ICefFileDialogCallback): Boolean; override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomKeyboardHandler = class(TCefKeyboardHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnPreKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean): Boolean; override;
function OnKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent;
osEvent: TCefEventHandle): Boolean; override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomDisplayHandler = class(TCefDisplayHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); override;
procedure OnTitleChange(const browser: ICefBrowser; const title: ustring); override;
procedure OnFaviconUrlChange(const browser: ICefBrowser; iconUrls: TStrings); override;
procedure OnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); override;
function OnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; override;
procedure OnStatusMessage(const browser: ICefBrowser; const value: ustring); override;
function OnConsoleMessage(const browser: ICefBrowser; const message, source: ustring; line: Integer): Boolean; override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomDownloadHandler = class(TCefDownloadHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnBeforeDownload(const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); override;
procedure OnDownloadUpdated(const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
const callback: ICefDownloadItemCallback); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomGeolocationHandler = class(TCefGeolocationHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnRequestGeolocationPermission(const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean; override;
procedure OnCancelGeolocationPermission(const browser: ICefBrowser;
const requestingUrl: ustring; requestId: Integer); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomJsDialogHandler = class(TCefJsDialogHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnJsdialog(const browser: ICefBrowser; const originUrl, acceptLang: ustring;
dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring;
callback: ICefJsDialogCallback; out suppressMessage: Boolean): Boolean; override;
function OnBeforeUnloadDialog(const browser: ICefBrowser;
const messageText: ustring; isReload: Boolean;
const callback: ICefJsDialogCallback): Boolean; override;
procedure OnResetDialogState(const browser: ICefBrowser); override;
procedure OnDialogClosed(const browser: ICefBrowser); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomLifeSpanHandler = class(TCefLifeSpanHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnBeforePopup(const browser: ICefBrowser; const frame: ICefFrame;
const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean; var popupFeatures: TCefPopupFeatures;
var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean): Boolean; override;
procedure OnAfterCreated(const browser: ICefBrowser); override;
procedure OnBeforeClose(const browser: ICefBrowser); override;
function RunModal(const browser: ICefBrowser): Boolean; override;
function DoClose(const browser: ICefBrowser): Boolean; override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomRequestHandler = class(TCefRequestHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; isRedirect: Boolean): Boolean; override;
function OnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame;
const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean): Boolean; override;
function OnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; override;
function GetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest): ICefResourceHandler; override;
procedure OnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; var newUrl: ustring); override;
function OnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame;
const request: ICefRequest; const response: ICefResponse): Boolean; override;
function GetAuthCredentials(const browser: ICefBrowser; const frame: ICefFrame;
isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring;
const callback: ICefAuthCallback): Boolean; override;
function OnQuotaRequest(const browser: ICefBrowser; const originUrl: ustring;
newSize: Int64; const callback: ICefRequestCallback): Boolean; override;
procedure OnProtocolExecution(const browser: ICefBrowser; const url: ustring; out allowOsExecution: Boolean); override;
function OnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode;
const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefRequestCallback): Boolean; override;
procedure OnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring); override;
procedure OnRenderViewReady(const browser: ICefBrowser); override;
procedure OnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomRenderHandler = class(TCefRenderHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function GetRootScreenRect(const browser: ICefBrowser; rect: PCefRect): Boolean; override;
function GetViewRect(const browser: ICefBrowser; rect: PCefRect): Boolean; override;
function GetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer;
screenX, screenY: PInteger): Boolean; override;
procedure OnPopupShow(const browser: ICefBrowser; show: Boolean); override;
procedure OnPopupSize(const browser: ICefBrowser; const rect: PCefRect); override;
procedure OnPaint(const browser: ICefBrowser; kind: TCefPaintElementType;
dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray;
const buffer: Pointer; width, height: Integer); override;
procedure OnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle;
cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo); override;
function GetScreenInfo(const browser: ICefBrowser;
screenInfo: PCefScreenInfo): Boolean; override;
function OnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData;
allowedOps: TCefDragOperations; x, y: Integer): Boolean; override;
procedure OnUpdateDragCursor(const browser: ICefBrowser;
operation: TCefDragOperation); override;
procedure OnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomDragHandler = class(TCefDragHandlerOwn)
private
FEvent: IChromiumEvents;
protected
function OnDragEnter(const browser: ICefBrowser;
const dragData: ICefDragData; mask: TCefDragOperations): Boolean; override;
procedure OnDraggableRegionsChanged(const browser: ICefBrowser;
regionsCount: NativeUInt; regions: PCefDraggableRegionArray); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
TCustomFindHandler = class(TCefFindHandlerOwn)
private
FEvent: IChromiumEvents;
protected
procedure OnFindResult(const browser: ICefBrowser;
identifier, count: Integer; const selectionRect: PCefRect;
activeMatchOrdinal: Integer; finalUpdate: Boolean); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
implementation
{ TChromiumFontOptions }
constructor TChromiumFontOptions.Create;
begin
FStandardFontFamily := '';
FCursiveFontFamily := '';
FSansSerifFontFamily := '';
FMinimumLogicalFontSize := 0;
FFantasyFontFamily := '';
FSerifFontFamily := '';
FDefaultFixedFontSize := 0;
FDefaultFontSize := 0;
FRemoteFontsDisabled := STATE_DEFAULT;
FFixedFontFamily := '';
FMinimumFontSize := 0;
end;
{ TCefCustomHandler }
constructor TCustomClientHandler.Create(const events: IChromiumEvents; renderer: Boolean);
begin
inherited Create;
FEvents := events;
FLoadHandler := TCustomLoadHandler.Create(events);
FFocusHandler := TCustomFocusHandler.Create(events);
FContextMenuHandler := TCustomContextMenuHandler.Create(events);
FDialogHandler := TCustomDialogHandler.Create(events);
FKeyboardHandler := TCustomKeyboardHandler.Create(events);
FDisplayHandler := TCustomDisplayHandler.Create(events);
FDownloadHandler := TCustomDownloadHandler.Create(events);
FGeolocationHandler := TCustomGeolocationHandler.Create(events);
FJsDialogHandler := TCustomJsDialogHandler.Create(events);
FLifeSpanHandler := TCustomLifeSpanHandler.Create(events);
FRequestHandler := TCustomRequestHandler.Create(events);
if renderer then
FRenderHandler := TCustomRenderHandler.Create(events) else
FRenderHandler := nil;
FDragHandler := TCustomDragHandler.Create(events);
FFindHandler := TCustomFindHandler.Create(events);
end;
procedure TCustomClientHandler.Disconnect;
begin
FEvents := nil;
FLoadHandler := nil;
FFocusHandler := nil;
FContextMenuHandler := nil;
FDialogHandler := nil;
FKeyboardHandler := nil;
FDisplayHandler := nil;
FDownloadHandler := nil;
FGeolocationHandler := nil;
FJsDialogHandler := nil;
FLifeSpanHandler := nil;
FRequestHandler := nil;
FRenderHandler := nil;
FDragHandler := nil;
FFindHandler := nil;
end;
function TCustomClientHandler.GetContextMenuHandler: ICefContextMenuHandler;
begin
Result := FContextMenuHandler;
end;
function TCustomClientHandler.GetDialogHandler: ICefDialogHandler;
begin
Result := FDialogHandler;
end;
function TCustomClientHandler.GetDisplayHandler: ICefDisplayHandler;
begin
Result := FDisplayHandler;
end;
function TCustomClientHandler.GetDownloadHandler: ICefDownloadHandler;
begin
Result := FDownloadHandler;
end;
function TCustomClientHandler.GetDragHandler: ICefDragHandler;
begin
Result := FDragHandler;
end;
function TCustomClientHandler.GetFindHandler: ICefFindHandler;
begin
Result := FFindHandler;
end;
function TCustomClientHandler.GetFocusHandler: ICefFocusHandler;
begin
Result := FFocusHandler;
end;
function TCustomClientHandler.GetGeolocationHandler: ICefGeolocationHandler;
begin
Result := FGeolocationHandler;
end;
function TCustomClientHandler.GetJsdialogHandler: ICefJsDialogHandler;
begin
Result := FJsDialogHandler;
end;
function TCustomClientHandler.GetKeyboardHandler: ICefKeyboardHandler;
begin
Result := FKeyboardHandler;
end;
function TCustomClientHandler.GetLifeSpanHandler: ICefLifeSpanHandler;
begin
Result := FLifeSpanHandler;
end;
function TCustomClientHandler.GetLoadHandler: ICefLoadHandler;
begin
Result := FLoadHandler;
end;
function TCustomClientHandler.GetRenderHandler: ICefRenderHandler;
begin
Result := FRenderHandler;
end;
function TCustomClientHandler.GetRequestHandler: ICefRequestHandler;
begin
Result := FRequestHandler;
end;
function TCustomClientHandler.OnProcessMessageReceived(
const browser: ICefBrowser; sourceProcess: TCefProcessId;
const message: ICefProcessMessage): Boolean;
begin
if Assigned(FEvents) then
Result := FEvents.doOnProcessMessageReceived(browser, sourceProcess, message) else
Result := False;
end;
{ TCustomLoadHandler }
constructor TCustomLoadHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomLoadHandler.OnLoadEnd(const browser: ICefBrowser;
const frame: ICefFrame; httpStatusCode: Integer);
begin
FEvent.doOnLoadEnd(browser, frame, httpStatusCode);
end;
procedure TCustomLoadHandler.OnLoadError(const browser: ICefBrowser;
const frame: ICefFrame; errorCode: Integer; const errorText,
failedUrl: ustring);
begin
FEvent.doOnLoadError(browser, frame, errorCode, errorText, failedUrl);
end;
procedure TCustomLoadHandler.OnLoadingStateChange(const browser: ICefBrowser;
isLoading, canGoBack, canGoForward: Boolean);
begin
FEvent.doOnLoadingStateChange(browser, isLoading, canGoBack, canGoForward);
end;
procedure TCustomLoadHandler.OnLoadStart(const browser: ICefBrowser;
const frame: ICefFrame);
begin
FEvent.doOnLoadStart(browser, frame);
end;
{ TCustomFocusHandler }
constructor TCustomFocusHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomFocusHandler.OnGotFocus(const browser: ICefBrowser);
begin
FEvent.doOnGotFocus(browser);
end;
function TCustomFocusHandler.OnSetFocus(const browser: ICefBrowser;
source: TCefFocusSource): Boolean;
begin
Result := FEvent.doOnSetFocus(browser, source);
end;
procedure TCustomFocusHandler.OnTakeFocus(const browser: ICefBrowser;
next: Boolean);
begin
FEvent.doOnTakeFocus(browser, next);
end;
{ TCustomContextMenuHandler }
constructor TCustomContextMenuHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomContextMenuHandler.OnBeforeContextMenu(
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel);
begin
FEvent.doOnBeforeContextMenu(browser, frame, params, model);
end;
function TCustomContextMenuHandler.OnContextMenuCommand(
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
eventFlags: TCefEventFlags): Boolean;
begin
Result := FEvent.doOnContextMenuCommand(browser, frame, params, commandId,
eventFlags);
end;
procedure TCustomContextMenuHandler.OnContextMenuDismissed(
const browser: ICefBrowser; const frame: ICefFrame);
begin
FEvent.doOnContextMenuDismissed(browser, frame);
end;
{ TCustomKeyboardHandler }
constructor TCustomKeyboardHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
function TCustomKeyboardHandler.OnKeyEvent(const browser: ICefBrowser;
const event: PCefKeyEvent; osEvent: TCefEventHandle): Boolean;
begin
Result := FEvent.doOnKeyEvent(browser, event, osEvent);
end;
function TCustomKeyboardHandler.OnPreKeyEvent(const browser: ICefBrowser;
const event: PCefKeyEvent; osEvent: TCefEventHandle;
out isKeyboardShortcut: Boolean): Boolean;
begin
Result := FEvent.doOnPreKeyEvent(browser, event, osEvent, isKeyboardShortcut);
end;
{ TCustomDisplayHandler }
constructor TCustomDisplayHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomDisplayHandler.OnAddressChange(const browser: ICefBrowser;
const frame: ICefFrame; const url: ustring);
begin
FEvent.doOnAddressChange(browser, frame, url);
end;
function TCustomDisplayHandler.OnConsoleMessage(const browser: ICefBrowser;
const message, source: ustring; line: Integer): Boolean;
begin
Result := FEvent.doOnConsoleMessage(browser, message, source, line);
end;
procedure TCustomDisplayHandler.OnFaviconUrlChange(const browser: ICefBrowser;
iconUrls: TStrings);
begin
FEvent.doOnFaviconUrlChange(browser, iconUrls);
end;
procedure TCustomDisplayHandler.OnFullScreenModeChange(
const browser: ICefBrowser; fullscreen: Boolean);
begin
FEvent.doOnFullScreenModeChange(browser, fullscreen);
end;
procedure TCustomDisplayHandler.OnStatusMessage(const browser: ICefBrowser;
const value: ustring);
begin
FEvent.doOnStatusMessage(browser, value);
end;
procedure TCustomDisplayHandler.OnTitleChange(const browser: ICefBrowser;
const title: ustring);
begin
FEvent.doOnTitleChange(browser, title);
end;
function TCustomDisplayHandler.OnTooltip(const browser: ICefBrowser;
var text: ustring): Boolean;
begin
Result := FEvent.doOnTooltip(browser, text);
end;
{ TCustomDownloadHandler }
constructor TCustomDownloadHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomDownloadHandler.OnBeforeDownload(const browser: ICefBrowser;
const downloadItem: ICefDownloadItem; const suggestedName: ustring;
const callback: ICefBeforeDownloadCallback);
begin
FEvent.doOnBeforeDownload(browser, downloadItem, suggestedName, callback);
end;
procedure TCustomDownloadHandler.OnDownloadUpdated(const browser: ICefBrowser;
const downloadItem: ICefDownloadItem;
const callback: ICefDownloadItemCallback);
begin
FEvent.doOnDownloadUpdated(browser, downloadItem, callback);
end;
{ TCustomGeolocationHandler }
constructor TCustomGeolocationHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomGeolocationHandler.OnCancelGeolocationPermission(
const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer);
begin
FEvent.doOnCancelGeolocationPermission(browser, requestingUrl, requestId);
end;
function TCustomGeolocationHandler.OnRequestGeolocationPermission(
const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer;
const callback: ICefGeolocationCallback): Boolean;
begin
Result := FEvent.doOnRequestGeolocationPermission(browser, requestingUrl, requestId, callback);
end;
{ TCustomJsDialogHandler }
constructor TCustomJsDialogHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
function TCustomJsDialogHandler.OnBeforeUnloadDialog(const browser: ICefBrowser;
const messageText: ustring; isReload: Boolean;
const callback: ICefJsDialogCallback): Boolean;
begin
Result := FEvent.doOnBeforeUnloadDialog(browser, messageText, isReload, callback);
end;
procedure TCustomJsDialogHandler.OnDialogClosed(const browser: ICefBrowser);
begin
FEvent.doOnDialogClosed(browser);
end;
function TCustomJsDialogHandler.OnJsdialog(const browser: ICefBrowser;
const originUrl, acceptLang: ustring; dialogType: TCefJsDialogType;
const messageText, defaultPromptText: ustring; callback: ICefJsDialogCallback;
out suppressMessage: Boolean): Boolean;
begin
Result := FEvent.doOnJsdialog(browser, originUrl, acceptLang, dialogType,
messageText, defaultPromptText, callback, suppressMessage);
end;
procedure TCustomJsDialogHandler.OnResetDialogState(const browser: ICefBrowser);
begin
FEvent.doOnResetDialogState(browser);
end;