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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "android_webview/renderer/aw_message_port_client.h"
#include "android_webview/common/aw_message_port_messages.h"
#include "content/public/child/v8_value_converter.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "ipc/ipc_message_macros.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "v8/include/v8.h"
using blink::WebSerializedScriptValue;
using content::V8ValueConverter;
using std::vector;
namespace android_webview {
AwMessagePortClient::AwMessagePortClient(content::RenderFrame* render_frame)
: content::RenderFrameObserver(render_frame) {
}
AwMessagePortClient::~AwMessagePortClient() {
}
bool AwMessagePortClient::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(AwMessagePortClient, message)
IPC_MESSAGE_HANDLER(AwMessagePortMsg_WebToAppMessage, OnWebToAppMessage)
IPC_MESSAGE_HANDLER(AwMessagePortMsg_AppToWebMessage, OnAppToWebMessage)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void AwMessagePortClient::OnWebToAppMessage(
int message_port_id,
const base::string16& message,
const vector<int>& sent_message_port_ids) {
v8::HandleScope handle_scope(blink::mainThreadIsolate());
blink::WebFrame* main_frame =
render_frame()->GetRenderView()->GetWebView()->mainFrame();
if (main_frame == nullptr) {
return;
}
v8::Local<v8::Context> context = main_frame->mainWorldScriptContext();
v8::Context::Scope context_scope(context);
DCHECK(!context.IsEmpty());
WebSerializedScriptValue v = WebSerializedScriptValue::fromString(message);
v8::Handle<v8::Value> v8value = v.deserialize();
scoped_ptr<V8ValueConverter> converter;
converter.reset(V8ValueConverter::create());
converter->SetDateAllowed(true);
converter->SetRegExpAllowed(true);
base::ListValue result;
result.Append(converter->FromV8Value(v8value, context));
Send(new AwMessagePortHostMsg_ConvertedWebToAppMessage(
render_frame()->GetRoutingID(), message_port_id,
result, sent_message_port_ids));
}
void AwMessagePortClient::OnAppToWebMessage(
int message_port_id,
const base::string16& message,
const vector<int>& sent_message_port_ids) {
v8::HandleScope handle_scope(blink::mainThreadIsolate());
blink::WebFrame* main_frame =
render_frame()->GetRenderView()->GetWebView()->mainFrame();
if (main_frame == nullptr) {
return;
}
v8::Local<v8::Context> context = main_frame->mainWorldScriptContext();
v8::Context::Scope context_scope(context);
DCHECK(!context.IsEmpty());
scoped_ptr<V8ValueConverter> converter;
converter.reset(V8ValueConverter::create());
converter->SetDateAllowed(true);
converter->SetRegExpAllowed(true);
scoped_ptr<base::Value> value(new base::StringValue(message));
v8::Handle<v8::Value> result_value = converter->ToV8Value(value.get(),
context);
WebSerializedScriptValue serialized_script_value =
WebSerializedScriptValue::serialize(result_value);
base::string16 result = serialized_script_value.toString();
Send(new AwMessagePortHostMsg_ConvertedAppToWebMessage(
render_frame()->GetRoutingID(), message_port_id,
result, sent_message_port_ids));
}
}
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