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Added TCEFSentinel to more demos

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- Check that all frames are valid before using them
- Added an error page to MiniBrowser.
This commit is contained in:
Salvador Díaz Fau
2019-10-13 18:50:23 +02:00
parent 9391d68ee0
commit 77121dc510
89 changed files with 1097 additions and 522 deletions
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16
demos/Delphi_VCL/SchemeRegistrationBrowser/uSchemeRegistrationBrowser.pas
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@@ -51,7 +51,7 @@ uses
Controls, Forms, Dialogs, StdCtrls, ExtCtrls, Types, ComCtrls, ClipBrd,
{$ENDIF}
uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFSchemeRegistrar,
uCEFTypes, uCEFConstants, uCEFWinControl;
uCEFTypes, uCEFConstants, uCEFWinControl, uCEFSentinel;
const
MINIBROWSER_CONTEXTMENU_REGSCHEME = MENU_ID_USER_FIRST + 1;
@@ -65,6 +65,7 @@ type
Chromium1: TChromium;
AddressCbx: TComboBox;
Timer1: TTimer;
CEFSentinel1: TCEFSentinel;
procedure Chromium1AfterCreated(Sender: TObject;
const browser: ICefBrowser);
procedure Chromium1BeforeContextMenu(Sender: TObject;
@@ -91,6 +92,7 @@ type
var aAction : TCefCloseBrowserAction);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
procedure CEFSentinel1Close(Sender: TObject);
private
{ Private declarations }
protected
@@ -135,7 +137,8 @@ uses
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
// 3. TChromium.OnBeforeClose calls TCEFSentinel.Start, which will trigger TCEFSentinel.OnClose when the renderer processes are closed.
// 4. TCEFSentinel.OnClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnRegCustomSchemes(const registrar: TCefSchemeRegistrarRef);
begin
@@ -151,6 +154,12 @@ begin
// GlobalCEFApp.LogSeverity := LOGSEVERITY_VERBOSE;
end;
procedure TSchemeRegistrationBrowserFrm.CEFSentinel1Close(Sender: TObject);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TSchemeRegistrationBrowserFrm.Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
@@ -159,8 +168,7 @@ end;
procedure TSchemeRegistrationBrowserFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
CEFSentinel1.Start;
end;
procedure TSchemeRegistrationBrowserFrm.Chromium1BeforeContextMenu(