mirror of
https://bitbucket.org/chromiumembedded/cef
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c3b02b7231
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1136 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "libcef/renderer/chrome_bindings.h"
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#include "libcef/renderer/browser_impl.h"
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#include <string>
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#include "base/logging.h"
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#include "base/values.h"
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#include "content/public/common/url_constants.h"
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namespace scheme {
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namespace {
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void SetList(CefRefPtr<CefV8Value> source, base::ListValue* target);
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// Transfer a V8 value to a List index.
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void SetListValue(base::ListValue* list, int index,
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CefRefPtr<CefV8Value> value) {
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if (value->IsArray()) {
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base::ListValue* new_list = new base::ListValue();
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SetList(value, new_list);
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list->Set(index, new_list);
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} else if (value->IsString()) {
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list->Set(index,
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base::Value::CreateStringValue(value->GetStringValue().ToString()));
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} else if (value->IsBool()) {
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list->Set(index, base::Value::CreateBooleanValue(value->GetBoolValue()));
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} else if (value->IsInt()) {
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list->Set(index, base::Value::CreateIntegerValue(value->GetIntValue()));
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} else if (value->IsDouble()) {
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list->Set(index, base::Value::CreateDoubleValue(value->GetDoubleValue()));
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}
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}
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// Transfer a V8 array to a List.
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void SetList(CefRefPtr<CefV8Value> source, base::ListValue* target) {
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DCHECK(source->IsArray());
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int arg_length = source->GetArrayLength();
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if (arg_length == 0)
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return;
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for (int i = 0; i < arg_length; ++i)
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SetListValue(target, i, source->GetValue(i));
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}
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class V8Handler : public CefV8Handler {
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public:
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V8Handler() {}
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virtual bool Execute(const CefString& name,
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CefRefPtr<CefV8Value> object,
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const CefV8ValueList& arguments,
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CefRefPtr<CefV8Value>& retval,
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CefString& exception) OVERRIDE {
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std::string nameStr = name;
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if (nameStr == "send") {
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if (arguments.size() > 0 && arguments.size() <= 2 &&
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arguments[0]->IsString()) {
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base::ListValue args;
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SetListValue(&args, 0, arguments[0]);
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if (arguments.size() > 1)
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SetListValue(&args, 1, arguments[1]);
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CefRefPtr<CefBrowserImpl> browser = static_cast<CefBrowserImpl*>(
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CefV8Context::GetCurrentContext()->GetBrowser().get());
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browser->SendProcessMessage(PID_BROWSER, kChromeProcessMessage, &args,
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false);
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retval = CefV8Value::CreateBool(true);
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} else {
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exception = "Invalid number of arguments or argument format";
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}
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return true;
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} else if (nameStr == "bind") {
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// Return the "send" object.
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DCHECK(object->GetFunctionName() == "send");
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retval = object;
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return true;
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}
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NOTREACHED();
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return false;
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}
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IMPLEMENT_REFCOUNTING(V8Handler);
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};
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} // namespace
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void OnContextCreated(CefRefPtr<CefBrowserImpl> browser,
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CefRefPtr<CefFrameImpl> frame,
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CefRefPtr<CefV8Context> context) {
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GURL url = GURL(frame->GetURL().ToString());
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if (url.scheme() != chrome::kChromeUIScheme)
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return;
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CefRefPtr<CefV8Value> global = context->GetGlobal();
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CefRefPtr<CefV8Handler> handler = new V8Handler();
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// Add "chrome".
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CefRefPtr<CefV8Value> chrome = CefV8Value::CreateObject(NULL);
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global->SetValue("chrome", chrome, V8_PROPERTY_ATTRIBUTE_NONE);
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// Add "chrome.send".
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CefRefPtr<CefV8Value> send = CefV8Value::CreateFunction("send", handler);
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chrome->SetValue("send", send, V8_PROPERTY_ATTRIBUTE_NONE);
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// Add "chrome.send.bind".
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CefRefPtr<CefV8Value> bind = CefV8Value::CreateFunction("bind", handler);
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send->SetValue("bind", bind, V8_PROPERTY_ATTRIBUTE_NONE);
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}
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} // namespace scheme
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