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Copy pathv8function_handler.cpp
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65 lines (63 loc) · 2.97 KB
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// Copyright (c) 2012 CEF Python, see the Authors file.
// All rights reserved. Licensed under BSD 3-clause license.
// Project website: https://github.com/cztomczak/cefpython
#include "cefpython_app.h"
#include "v8utils.h"
#include "include/base/cef_logging.h"
bool V8FunctionHandler::Execute(const CefString& functionName,
CefRefPtr<CefV8Value> thisObject,
const CefV8ValueList& v8Arguments,
CefRefPtr<CefV8Value>& returnValue,
CefString& exception) {
if (!CefV8Context::InContext()) {
// CefV8Context::GetCurrentContext may not be called when
// not in a V8 context.
LOG(ERROR) << "[Renderer process] V8FunctionHandler::Execute():"
" not inside a V8 context";
return false;
}
CefRefPtr<CefV8Context> context = CefV8Context::GetCurrentContext();
CefRefPtr<CefBrowser> browser = context.get()->GetBrowser();
CefRefPtr<CefFrame> frame = context.get()->GetFrame();
if (pythonCallbackId_) {
LOG(INFO) << "[Renderer process] V8FunctionHandler::Execute():"
" python callback";
CefRefPtr<CefListValue> functionArguments = V8ValueListToCefListValue(
v8Arguments);
CefRefPtr<CefProcessMessage> processMessage = \
CefProcessMessage::Create("ExecutePythonCallback");
CefRefPtr<CefListValue> messageArguments = \
processMessage->GetArgumentList();
messageArguments->SetInt(0, pythonCallbackId_);
messageArguments->SetList(1, functionArguments);
frame->SendProcessMessage(PID_BROWSER, processMessage);
returnValue = CefV8Value::CreateNull();
return true;
} else {
LOG(INFO) << "[Renderer process] V8FunctionHandler::Execute():"
" js binding";
if (!(cefPythonApp_.get() \
&& cefPythonApp_->BindedFunctionExists( \
browser, functionName))) {
exception = std::string("[CEF Python] " \
"V8FunctionHandler::Execute() FAILED: " \
"function does not exist: ").append(functionName) \
.append("()");
// Must return true for the exception to be thrown.
return true;
}
CefRefPtr<CefListValue> functionArguments = V8ValueListToCefListValue(
v8Arguments);
CefString frameId = frame->GetIdentifier();
CefRefPtr<CefProcessMessage> processMessage = \
CefProcessMessage::Create("V8FunctionHandler::Execute");
CefRefPtr<CefListValue> messageArguments = \
processMessage->GetArgumentList();
messageArguments->SetString(0, frameId);
messageArguments->SetString(1, functionName);
messageArguments->SetList(2, functionArguments);
frame->SendProcessMessage(PID_BROWSER, processMessage);
returnValue = CefV8Value::CreateNull();
return true;
}
}