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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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11
demos/Lazarus/JavaScript/JSEval/uJSEval.pas
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@ -1,4 +1,4 @@
// ************************************************************************
// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
@ -432,7 +432,8 @@ begin
end;
end;
pFrame.SendProcessMessage(PID_BROWSER, pAnswer);
if (pFrame <> nil) and pFrame.IsValid then
pFrame.SendProcessMessage(PID_BROWSER, pAnswer);
end;
procedure ParseBinaryValue(const pBrowser : ICefBrowser; const pFrame: ICefFrame; const aBinaryValue : ICefBinaryValue);
@ -476,7 +477,7 @@ begin
TempString := 'Image size : ' + inttostr(TempSize) + #13 + #10 +
'Encoded image : ' + TempEncodedStream.DataString;
if pAnswer.ArgumentList.SetString(0, TempString) then
if (pFrame <> nil) and pFrame.IsValid and pAnswer.ArgumentList.SetString(0, TempString) then
pFrame.SendProcessMessage(PID_BROWSER, pAnswer);
end;
end;
@ -512,9 +513,9 @@ begin
begin
TempScript := pMessage.ArgumentList.GetString(0);
if (length(TempScript) > 0) then
if (length(TempScript) > 0) and (pFrame <> nil) and pFrame.IsValid then
begin
pV8Context := pBrowser.MainFrame.GetV8Context;
pV8Context := pFrame.GetV8Context;
if pV8Context.Enter then
begin