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Moved all JSON functions to the TCEFJson class

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- Added TCEFJson.SaveToFile and TCEFJson.LoadFromFile functions
- Added more code comments to DOMVisitor
- Replaced all the code to save the browser preferences in TChromiumCore with the new TCEFJson functions
This commit is contained in:
Salvador Díaz Fau
2020-07-17 12:56:43 +02:00
parent 2b963f06ba
commit dceb2299e3
7 changed files with 231 additions and 339 deletions
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17
demos/Delphi_VCL/DOMVisitor/uDOMVisitor.pas
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@@ -212,7 +212,7 @@ uses
// TChromium.OnConsoleMessage event and we identify the right message thanks to
// the preamble in the message.
// This demos also uses DevTool methods to change the "value" attribute of an
// This demo also uses DevTool methods to change the "value" attribute of an
// INPUT HTML element. Each method is called using the
// TChromium.ExecuteDevToolsMethod function and the results are received in the
// TChromium.OnDevToolsMethodResult event.
@@ -288,14 +288,19 @@ begin
// known preamble that will be used to identify the message in the
// TChromium.OnConsoleMessage event.
// CEF has some known issues with ICefDomNode.GetValue and ICefDomNode.SetValue
// Use JavaScript if you need to get or set the value of HTML elements.
// NOTE : In case you try to read or write node values using the CEF API
// you should know that ICefDomNode.GetValue and ICefDomNode.SetValue
// only work in text nodes. ICefDomNode.GetElementAttribute returns
// the attribute value specified in the HTML and not the current value.
// It's recommended that you use JavaScript or DevTools methods if
// you need to get or set the value of HTML elements.
// For example, if you want to use the "console trick" and you want
// to get the value of the search box in our forum you would have to
// execute this JavaScript code :
// console.log("DOMVISITOR" + document.getElementById("keywords").value);
TempMessage := 'name:' + quotedstr(TempNode.Name);
TempMessage := 'name:' + TempNode.Name;
TempJSCode := 'console.log("' + CONSOLE_MSG_PREAMBLE + TempMessage + '");';
aFrame.ExecuteJavaScript(TempJSCode, 'about:blank', 0);
end;
@@ -531,9 +536,9 @@ begin
MsgContents := copy(message, succ(length(CONSOLE_MSG_PREAMBLE)), length(message));
if (length(MsgContents) = 0) then
MsgContents := 'The INPUT node has no value'
MsgContents := 'There was an error reading the search box information'
else
MsgContents := 'INPUT node value : ' + quotedstr(MsgContents);
MsgContents := 'Search box information: ' + quotedstr(MsgContents);
PostMessage(Handle, MINIBROWSER_SHOWMESSAGE, 0, 0);
end;