android_webview/renderer/aw_message_port_client.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "android_webview/renderer/aw_message_port_client.h"
   6
   7 #include "android_webview/common/aw_message_port_messages.h"
   8 #include "content/public/renderer/render_frame.h"
   9 #include "content/public/renderer/render_view.h"
  10 #include "content/public/renderer/v8_value_converter.h"
  11 #include "ipc/ipc_message_macros.h"
  12 #include "third_party/WebKit/public/web/WebFrame.h"
  13 #include "third_party/WebKit/public/web/WebKit.h"
  14 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
  15 #include "third_party/WebKit/public/web/WebView.h"
  16 #include "v8/include/v8.h"
  17
  18 using blink::WebSerializedScriptValue;
  19 using content::V8ValueConverter;
  20 using std::vector;
  21
  22 namespace android_webview {
  23
  24 AwMessagePortClient::AwMessagePortClient(content::RenderFrame* render_frame)
  25     : content::RenderFrameObserver(render_frame) {
  26 }
  27
  28 AwMessagePortClient::~AwMessagePortClient() {
  29 }
  30
  31 bool AwMessagePortClient::OnMessageReceived(
  32     const IPC::Message& message) {
  33   bool handled = true;
  34   IPC_BEGIN_MESSAGE_MAP(AwMessagePortClient, message)
  35     IPC_MESSAGE_HANDLER(AwMessagePortMsg_Message, OnPostMessage)
  36     IPC_MESSAGE_UNHANDLED(handled = false)
  37   IPC_END_MESSAGE_MAP()
  38
  39   return handled;
  40 }
  41
  42 void AwMessagePortClient::OnPostMessage(
  43     int message_port_id,
  44     const base::string16& message,
  45     const vector<int>& sent_message_port_ids) {
  46   v8::HandleScope handle_scope(blink::mainThreadIsolate());
  47   blink::WebFrame* main_frame =
  48       render_frame()->GetRenderView()->GetWebView()->mainFrame();
  49   if (main_frame == nullptr) {
  50     return;
  51   }
  52   v8::Local<v8::Context> context = main_frame->mainWorldScriptContext();
  53   v8::Context::Scope context_scope(context);
  54   DCHECK(!context.IsEmpty());
  55   WebSerializedScriptValue v = WebSerializedScriptValue::fromString(message);
  56   v8::Handle<v8::Value> v8value = v.deserialize();
  57
  58   scoped_ptr<V8ValueConverter> converter;
  59   converter.reset(V8ValueConverter::create());
  60   converter->SetDateAllowed(true);
  61   converter->SetRegExpAllowed(true);
  62   base::ListValue result;
  63   result.Append(converter->FromV8Value(v8value, context));
  64   Send(new AwMessagePortHostMsg_ConvertedMessage(render_frame()->GetRoutingID(),
  65                                                  message_port_id,
  66                                                  result,
  67                                                  sent_message_port_ids));
  68 }
  69
  70 }