83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#include "stdafx.h"
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#include "js_handler.h"
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#include "cef_control/util/util.h"
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#include "cef_control/app/ipc_string_define.h"
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#include "cef_control/app/cef_js_bridge.h"
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namespace nim_comp
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{
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bool CefJSHandler::Execute(const CefString& name, CefRefPtr<CefV8Value> object, const CefV8ValueList& arguments, CefRefPtr<CefV8Value>& retval, CefString& exception)
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{
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// 当Web中调用了"NimCefWebFunction"函数后，会触发到这里，然后把参数保存，转发到Broswer进程
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// Broswer进程的BrowserHandler类在OnProcessMessageReceived接口中处理kJsCallbackMessage消息，就可以收到这个消息
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if (arguments.size() < 2)
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{
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exception = "Invalid arguments.";
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return false;
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}
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CefRefPtr<CefV8Context> context = CefV8Context::GetCurrentContext();
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CefRefPtr<CefFrame> frame = context->GetFrame();
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CefRefPtr<CefBrowser> browser = context->GetBrowser();
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int64_t browser_id = browser->GetIdentifier();
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int64_t frame_id = frame->GetIdentifier();
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if (name == "call")
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{
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// 允许没有参数列表的调用，第二个参数为回调
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// 如果传递了参数列表，那么回调是第三个参数
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CefString function_name = arguments[0]->GetStringValue();
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CefString params = "{}";
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CefRefPtr<CefV8Value> callback;
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if (arguments[0]->IsString() && arguments[1]->IsFunction())
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{
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callback = arguments[1];
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}
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else if (arguments[0]->IsString() && arguments[1]->IsString() && arguments[2]->IsFunction())
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{
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params = arguments[1]->GetStringValue();
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callback = arguments[2];
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}
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else
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{
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exception = "Invalid arguments.";
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return false;
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}
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// 执行 C++ 方法
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if (!js_bridge_->CallCppFunction(function_name, params, callback))
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{
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exception = nbase::StringPrintf("Failed to call function %s.", function_name).c_str();
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return false;
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}
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return true;
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}
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else if (name == "register")
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{
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if (arguments[0]->IsString() && arguments[1]->IsFunction())
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{
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std::string function_name = arguments[0]->GetStringValue();
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CefRefPtr<CefV8Value> callback = arguments[1];
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if (!js_bridge_->RegisterJSFunc(function_name, callback))
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{
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exception = "Failed to register function.";
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return false;
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}
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return true;
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}
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else
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{
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exception = "Invalid arguments.";
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return false;
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}
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}
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return false;
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}
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}
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