// ************************************************************************ // ***************************** 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 © 2017 Salvador Díaz 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 * 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 uCEFBrowser; {$IFNDEF CPUX64} {$ALIGN ON} {$MINENUMSIZE 4} {$ENDIF} {$I cef.inc} interface uses {$IFDEF DELPHI16_UP} System.Classes, {$ELSE} Classes, {$ENDIF} uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes; type TCefBrowserRef = class(TCefBaseRefCountedRef, ICefBrowser) protected function GetHost: ICefBrowserHost; function CanGoBack: Boolean; procedure GoBack; function CanGoForward: Boolean; procedure GoForward; function IsLoading: Boolean; procedure Reload; procedure ReloadIgnoreCache; procedure StopLoad; function GetIdentifier: Integer; function IsSame(const that: ICefBrowser): Boolean; function IsPopup: Boolean; function HasDocument: Boolean; function GetMainFrame: ICefFrame; function GetFocusedFrame: ICefFrame; function GetFrameByident(identifier: Int64): ICefFrame; function GetFrame(const name: ustring): ICefFrame; function GetFrameCount: NativeUInt; procedure GetFrameIdentifiers(count: PNativeUInt; identifiers: PInt64); procedure GetFrameNames(names: TStrings); function SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean; public class function UnWrap(data: Pointer): ICefBrowser; end; TCefBrowserHostRef = class(TCefBaseRefCountedRef, ICefBrowserHost) protected function GetBrowser: ICefBrowser; procedure CloseBrowser(forceClose: Boolean); function TryCloseBrowser: Boolean; procedure SetFocus(focus: Boolean); function GetWindowHandle: TCefWindowHandle; function GetOpenerWindowHandle: TCefWindowHandle; function HasView: Boolean; function GetRequestContext: ICefRequestContext; function GetZoomLevel: Double; procedure SetZoomLevel(zoomLevel: Double); procedure RunFileDialog(mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefRunFileDialogCallback); procedure RunFileDialogProc(mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: TCefRunFileDialogCallbackProc); procedure StartDownload(const url: ustring); procedure DownloadImage(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: Cardinal; bypassCache: Boolean; const callback: ICefDownloadImageCallback); procedure DownloadImageProc(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: Cardinal; bypassCache: Boolean; const callback: TOnDownloadImageFinishedProc); procedure Print; procedure PrintToPdf(const path: ustring; settings: PCefPdfPrintSettings; const callback: ICefPdfPrintCallback); procedure PrintToPdfProc(const path: ustring; settings: PCefPdfPrintSettings; const callback: TOnPdfPrintFinishedProc); procedure Find(identifier: Integer; const searchText: ustring; forward, matchCase, findNext: Boolean); procedure StopFinding(clearSelection: Boolean); procedure ShowDevTools(const windowInfo: PCefWindowInfo; const client: ICefClient; const settings: PCefBrowserSettings; inspectElementAt: PCefPoint); procedure CloseDevTools; function HasDevTools: Boolean; procedure GetNavigationEntries(const visitor: ICefNavigationEntryVisitor; currentOnly: Boolean); procedure GetNavigationEntriesProc(const proc: TCefNavigationEntryVisitorProc; currentOnly: Boolean); procedure SetMouseCursorChangeDisabled(disabled: Boolean); function IsMouseCursorChangeDisabled: Boolean; procedure ReplaceMisspelling(const word: ustring); procedure AddWordToDictionary(const word: ustring); function IsWindowRenderingDisabled: Boolean; procedure WasResized; procedure NotifyScreenInfoChanged; procedure WasHidden(hidden: Boolean); procedure Invalidate(kind: TCefPaintElementType); procedure SendKeyEvent(const event: PCefKeyEvent); procedure SendMouseClickEvent(const event: PCefMouseEvent; kind: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer); procedure SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean); procedure SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer); procedure SendFocusEvent(setFocus: Boolean); procedure SendCaptureLostEvent; procedure NotifyMoveOrResizeStarted; function GetWindowlessFrameRate(): Integer; procedure SetWindowlessFrameRate(frameRate: Integer); procedure IMESetComposition(const text: ustring; underlinesCount : NativeUInt; const underlines : PCefCompositionUnderline; const replacement_range, selection_range : PCefRange); procedure IMECommitText(const text: ustring; const replacement_range : PCefRange; relative_cursor_pos : integer); procedure IMEFinishComposingText(keep_selection : boolean); procedure IMECancelComposition; procedure DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations); procedure DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations); procedure DragTargetDragLeave; procedure DragTargetDrop(event: PCefMouseEvent); procedure DragSourceEndedAt(x, y: Integer; op: TCefDragOperation); procedure DragSourceSystemDragEnded; function GetVisibleNavigationEntry : ICefNavigationEntry; procedure SetAccessibilityState(accessibilityState: TCefState); public class function UnWrap(data: Pointer): ICefBrowserHost; end; implementation uses uCEFMiscFunctions, uCEFLibFunctions, uCEFDownloadImageCallBack, uCEFFrame, uCEFPDFPrintCallback, uCEFRunFileDialogCallback, uCEFRequestContext, uCEFNavigationEntryVisitor, uCEFNavigationEntry; function TCefBrowserRef.GetHost: ICefBrowserHost; begin Result := TCefBrowserHostRef.UnWrap(PCefBrowser(FData)^.get_host(PCefBrowser(FData))); end; function TCefBrowserRef.CanGoBack: Boolean; begin Result := PCefBrowser(FData)^.can_go_back(PCefBrowser(FData)) <> 0; end; function TCefBrowserRef.CanGoForward: Boolean; begin Result := PCefBrowser(FData)^.can_go_forward(PCefBrowser(FData)) <> 0; end; function TCefBrowserRef.GetFocusedFrame: ICefFrame; begin Result := TCefFrameRef.UnWrap(PCefBrowser(FData)^.get_focused_frame(PCefBrowser(FData))); end; function TCefBrowserRef.GetFrameByident(identifier: Int64): ICefFrame; begin Result := TCefFrameRef.UnWrap(PCefBrowser(FData)^.get_frame_byident(PCefBrowser(FData), identifier)); end; function TCefBrowserRef.GetFrame(const name: ustring): ICefFrame; var n: TCefString; begin n := CefString(name); Result := TCefFrameRef.UnWrap(PCefBrowser(FData)^.get_frame(PCefBrowser(FData), @n)); end; function TCefBrowserRef.GetFrameCount: NativeUInt; begin Result := PCefBrowser(FData)^.get_frame_count(PCefBrowser(FData)); end; procedure TCefBrowserRef.GetFrameIdentifiers(count: PNativeUInt; identifiers: PInt64); begin PCefBrowser(FData)^.get_frame_identifiers(PCefBrowser(FData), count, identifiers); end; procedure TCefBrowserRef.GetFrameNames(names: TStrings); var list: TCefStringList; i: Integer; str: TCefString; begin list := cef_string_list_alloc; try PCefBrowser(FData)^.get_frame_names(PCefBrowser(FData), list); FillChar(str, SizeOf(str), 0); for i := 0 to cef_string_list_size(list) - 1 do begin FillChar(str, SizeOf(str), 0); cef_string_list_value(list, i, @str); names.Add(CefStringClearAndGet(str)); end; finally cef_string_list_free(list); end; end; function TCefBrowserRef.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean; begin Result := PCefBrowser(FData)^.send_process_message(PCefBrowser(FData), targetProcess, CefGetData(ProcMessage)) <> 0; end; function TCefBrowserRef.GetMainFrame: ICefFrame; begin Result := TCefFrameRef.UnWrap(PCefBrowser(FData)^.get_main_frame(PCefBrowser(FData))) end; procedure TCefBrowserRef.GoBack; begin PCefBrowser(FData)^.go_back(PCefBrowser(FData)); end; procedure TCefBrowserRef.GoForward; begin PCefBrowser(FData)^.go_forward(PCefBrowser(FData)); end; function TCefBrowserRef.IsLoading: Boolean; begin Result := PCefBrowser(FData)^.is_loading(PCefBrowser(FData)) <> 0; end; function TCefBrowserRef.HasDocument: Boolean; begin Result := PCefBrowser(FData)^.has_document(PCefBrowser(FData)) <> 0; end; function TCefBrowserRef.IsPopup: Boolean; begin Result := PCefBrowser(FData)^.is_popup(PCefBrowser(FData)) <> 0; end; function TCefBrowserRef.IsSame(const that: ICefBrowser): Boolean; begin Result := PCefBrowser(FData)^.is_same(PCefBrowser(FData), CefGetData(that)) <> 0; end; procedure TCefBrowserRef.Reload; begin PCefBrowser(FData)^.reload(PCefBrowser(FData)); end; procedure TCefBrowserRef.ReloadIgnoreCache; begin PCefBrowser(FData)^.reload_ignore_cache(PCefBrowser(FData)); end; procedure TCefBrowserRef.StopLoad; begin PCefBrowser(FData)^.stop_load(PCefBrowser(FData)); end; function TCefBrowserRef.GetIdentifier: Integer; begin Result := PCefBrowser(FData)^.get_identifier(PCefBrowser(FData)); end; class function TCefBrowserRef.UnWrap(data: Pointer): ICefBrowser; begin if (data <> nil) then Result := Create(data) as ICefBrowser else Result := nil; end; // TCefBrowserHostRef procedure TCefBrowserHostRef.CloseDevTools; begin PCefBrowserHost(FData).close_dev_tools(FData); end; procedure TCefBrowserHostRef.DownloadImage(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: Cardinal; bypassCache: Boolean; const callback: ICefDownloadImageCallback); var url: TCefString; begin url := CefString(imageUrl); PCefBrowserHost(FData).download_image(FData, @url, Ord(isFavicon), maxImageSize, Ord(bypassCache), CefGetData(callback)); end; procedure TCefBrowserHostRef.DownloadImageProc(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: Cardinal; bypassCache: Boolean; const callback: TOnDownloadImageFinishedProc); begin DownloadImage(imageUrl, isFavicon, maxImageSize, bypassCache, TCefFastDownloadImageCallback.Create(callback)); end; procedure TCefBrowserHostRef.DragSourceEndedAt(x, y: Integer; op: TCefDragOperation); begin PCefBrowserHost(FData).drag_source_ended_at(FData, x, y, op); end; procedure TCefBrowserHostRef.DragSourceSystemDragEnded; begin PCefBrowserHost(FData).drag_source_system_drag_ended(FData); end; function TCefBrowserHostRef.GetVisibleNavigationEntry : ICefNavigationEntry; begin Result := TCefNavigationEntryRef.UnWrap(PCefBrowserHost(FData).get_visible_navigation_entry(PCefBrowserHost(FData))); end; procedure TCefBrowserHostRef.SetAccessibilityState(accessibilityState: TCefState); begin PCefBrowserHost(FData).set_accessibility_state(FData, accessibilityState); end; procedure TCefBrowserHostRef.DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations); begin PCefBrowserHost(FData).drag_target_drag_enter(FData, CefGetData(dragData), event, allowedOps); end; procedure TCefBrowserHostRef.DragTargetDragLeave; begin PCefBrowserHost(FData).drag_target_drag_leave(FData); end; procedure TCefBrowserHostRef.DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations); begin PCefBrowserHost(FData).drag_target_drag_over(FData, event, allowedOps); end; procedure TCefBrowserHostRef.DragTargetDrop(event: PCefMouseEvent); begin PCefBrowserHost(FData).drag_target_drop(FData, event); end; procedure TCefBrowserHostRef.Find(identifier: Integer; const searchText: ustring; forward, matchCase, findNext: Boolean); var s: TCefString; begin s := CefString(searchText); PCefBrowserHost(FData).find(FData, identifier, @s, Ord(forward), Ord(matchCase), Ord(findNext)); end; function TCefBrowserHostRef.GetBrowser: ICefBrowser; begin Result := TCefBrowserRef.UnWrap(PCefBrowserHost(FData).get_browser(PCefBrowserHost(FData))); end; procedure TCefBrowserHostRef.Print; begin PCefBrowserHost(FData).print(FData); end; procedure TCefBrowserHostRef.PrintToPdf(const path: ustring; settings: PCefPdfPrintSettings; const callback: ICefPdfPrintCallback); var str: TCefString; begin str := CefString(path); PCefBrowserHost(FData).print_to_pdf(FData, @str, settings, CefGetData(callback)); end; procedure TCefBrowserHostRef.PrintToPdfProc(const path: ustring; settings: PCefPdfPrintSettings; const callback: TOnPdfPrintFinishedProc); begin PrintToPdf(path, settings, TCefFastPdfPrintCallback.Create(callback)); end; procedure TCefBrowserHostRef.ReplaceMisspelling(const word: ustring); var str: TCefString; begin str := CefString(word); PCefBrowserHost(FData).replace_misspelling(FData, @str); end; procedure TCefBrowserHostRef.RunFileDialog(mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefRunFileDialogCallback); var t, f: TCefString; list: TCefStringList; item: TCefString; i: Integer; begin t := CefString(title); f := CefString(defaultFilePath); list := cef_string_list_alloc(); try for i := 0 to acceptFilters.Count - 1 do begin item := CefString(acceptFilters[i]); cef_string_list_append(list, @item); end; PCefBrowserHost(FData).run_file_dialog(PCefBrowserHost(FData), mode, @t, @f, list, selectedAcceptFilter, CefGetData(callback)); finally cef_string_list_free(list); end; end; procedure TCefBrowserHostRef.RunFileDialogProc(mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: TCefRunFileDialogCallbackProc); begin RunFileDialog(mode, title, defaultFilePath, acceptFilters, selectedAcceptFilter, TCefFastRunFileDialogCallback.Create(callback)); end; procedure TCefBrowserHostRef.AddWordToDictionary(const word: ustring); var str: TCefString; begin str := CefString(word); PCefBrowserHost(FData).add_word_to_dictionary(FData, @str); end; procedure TCefBrowserHostRef.CloseBrowser(forceClose: Boolean); begin PCefBrowserHost(FData).close_browser(PCefBrowserHost(FData), Ord(forceClose)); end; procedure TCefBrowserHostRef.SendCaptureLostEvent; begin PCefBrowserHost(FData).send_capture_lost_event(FData); end; procedure TCefBrowserHostRef.SendFocusEvent(setFocus: Boolean); begin PCefBrowserHost(FData).send_focus_event(FData, Ord(setFocus)); end; procedure TCefBrowserHostRef.SendKeyEvent(const event: PCefKeyEvent); begin PCefBrowserHost(FData).send_key_event(FData, event); end; procedure TCefBrowserHostRef.SendMouseClickEvent(const event: PCefMouseEvent; kind: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer); begin PCefBrowserHost(FData).send_mouse_click_event(FData, event, kind, Ord(mouseUp), clickCount); end; procedure TCefBrowserHostRef.SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean); begin PCefBrowserHost(FData).send_mouse_move_event(FData, event, Ord(mouseLeave)); end; procedure TCefBrowserHostRef.SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer); begin PCefBrowserHost(FData).send_mouse_wheel_event(FData, event, deltaX, deltaY); end; procedure TCefBrowserHostRef.SetFocus(focus: Boolean); begin PCefBrowserHost(FData).set_focus(PCefBrowserHost(FData), Ord(focus)); end; procedure TCefBrowserHostRef.SetMouseCursorChangeDisabled(disabled: Boolean); begin PCefBrowserHost(FData).set_mouse_cursor_change_disabled(PCefBrowserHost(FData), Ord(disabled)); end; procedure TCefBrowserHostRef.SetWindowlessFrameRate(frameRate: Integer); begin PCefBrowserHost(FData).set_windowless_frame_rate(PCefBrowserHost(FData), frameRate); end; function TCefBrowserHostRef.GetWindowHandle: TCefWindowHandle; begin Result := PCefBrowserHost(FData).get_window_handle(PCefBrowserHost(FData)) end; function TCefBrowserHostRef.GetWindowlessFrameRate: Integer; begin Result := PCefBrowserHost(FData).get_windowless_frame_rate(PCefBrowserHost(FData)); end; function TCefBrowserHostRef.GetOpenerWindowHandle: TCefWindowHandle; begin Result := PCefBrowserHost(FData).get_opener_window_handle(PCefBrowserHost(FData)); end; function TCefBrowserHostRef.GetRequestContext: ICefRequestContext; begin Result := TCefRequestContextRef.UnWrap(PCefBrowserHost(FData).get_request_context(FData)); end; procedure TCefBrowserHostRef.GetNavigationEntries( const visitor: ICefNavigationEntryVisitor; currentOnly: Boolean); begin PCefBrowserHost(FData).get_navigation_entries(FData, CefGetData(visitor), Ord(currentOnly)); end; procedure TCefBrowserHostRef.GetNavigationEntriesProc( const proc: TCefNavigationEntryVisitorProc; currentOnly: Boolean); begin GetNavigationEntries(TCefFastNavigationEntryVisitor.Create(proc), currentOnly); end; function TCefBrowserHostRef.GetZoomLevel: Double; begin Result := PCefBrowserHost(FData).get_zoom_level(PCefBrowserHost(FData)); end; procedure TCefBrowserHostRef.IMESetComposition(const text: ustring; underlinesCount : NativeUInt; const underlines : PCefCompositionUnderline; const replacement_range, selection_range : PCefRange); var TempString : TCefString; begin TempString := CefString(text); PCefBrowserHost(FData).ime_set_composition(PCefBrowserHost(FData), @TempString, underlinesCount, underlines, replacement_range, selection_range); end; procedure TCefBrowserHostRef.IMECommitText(const text: ustring; const replacement_range : PCefRange; relative_cursor_pos : integer); var TempString : TCefString; begin TempString := CefString(text); PCefBrowserHost(FData).ime_commit_text(PCefBrowserHost(FData), @TempString, replacement_range, relative_cursor_pos); end; procedure TCefBrowserHostRef.IMEFinishComposingText(keep_selection : boolean); begin PCefBrowserHost(FData).ime_finish_composing_text(PCefBrowserHost(FData), ord(keep_selection)); end; procedure TCefBrowserHostRef.IMECancelComposition; begin PCefBrowserHost(FData).ime_cancel_composition(PCefBrowserHost(FData)); end; function TCefBrowserHostRef.HasDevTools: Boolean; begin Result := PCefBrowserHost(FData).has_dev_tools(FData) <> 0; end; function TCefBrowserHostRef.HasView: Boolean; begin Result := PCefBrowserHost(FData).has_view(FData) <> 0; end; procedure TCefBrowserHostRef.Invalidate(kind: TCefPaintElementType); begin PCefBrowserHost(FData).invalidate(FData, kind); end; function TCefBrowserHostRef.IsMouseCursorChangeDisabled: Boolean; begin Result := PCefBrowserHost(FData).is_mouse_cursor_change_disabled(FData) <> 0 end; function TCefBrowserHostRef.IsWindowRenderingDisabled: Boolean; begin Result := PCefBrowserHost(FData).is_window_rendering_disabled(FData) <> 0 end; procedure TCefBrowserHostRef.NotifyMoveOrResizeStarted; begin PCefBrowserHost(FData).notify_move_or_resize_started(PCefBrowserHost(FData)); end; procedure TCefBrowserHostRef.NotifyScreenInfoChanged; begin PCefBrowserHost(FData).notify_screen_info_changed(PCefBrowserHost(FData)); end; procedure TCefBrowserHostRef.SetZoomLevel(zoomLevel: Double); begin PCefBrowserHost(FData).set_zoom_level(PCefBrowserHost(FData), zoomLevel); end; procedure TCefBrowserHostRef.ShowDevTools(const windowInfo: PCefWindowInfo; const client: ICefClient; const settings: PCefBrowserSettings; inspectElementAt: PCefPoint); begin PCefBrowserHost(FData).show_dev_tools(FData, windowInfo, CefGetData(client), settings, inspectElementAt); end; procedure TCefBrowserHostRef.StartDownload(const url: ustring); var u: TCefString; begin u := CefString(url); PCefBrowserHost(FData).start_download(PCefBrowserHost(FData), @u); end; procedure TCefBrowserHostRef.StopFinding(clearSelection: Boolean); begin PCefBrowserHost(FData).stop_finding(FData, Ord(clearSelection)); end; function TCefBrowserHostRef.TryCloseBrowser: Boolean; begin Result := PCefBrowserHost(FData).try_close_browser(FData) <> 0; end; class function TCefBrowserHostRef.UnWrap(data: Pointer): ICefBrowserHost; begin if data <> nil then Result := Create(data) as ICefBrowserHost else Result := nil; end; procedure TCefBrowserHostRef.WasHidden(hidden: Boolean); begin PCefBrowserHost(FData).was_hidden(FData, Ord(hidden)); end; procedure TCefBrowserHostRef.WasResized; begin PCefBrowserHost(FData).was_resized(FData); end; end.