Rename IntentsHost -> WebIntentsDispatcher and IntentsDispatcher -> WebIntentsHost.

content/renderer/intents_dispatcher.cc

-// Copyright (c) 2011 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 "content/renderer/intents_dispatcher.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "content/common/intents_messages.h"
-#include "content/renderer/render_view_impl.h"
-#include "ipc/ipc_message.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSerializedScriptValue.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
-#include "v8/include/v8.h"
-#include "webkit/glue/cpp_bound_class.h"
-
-using WebKit::WebCString;
-using WebKit::WebString;
-
-// This class encapsulates the API the Intent object will expose to Javascript.
-// It is made available to the Javascript runtime in the service page using
-// NPAPI methods as with plugin/Javascript interaction objects and other
-// browser-provided Javascript API objects on |window|.
-class IntentsDispatcher::BoundDeliveredIntent : public CppBoundClass {
- public:
-  BoundDeliveredIntent(const string16& action,
-                       const string16& type,
-                       const string16& data,
-                       IntentsDispatcher* parent,
-                       WebKit::WebFrame* frame) {
-    action_ = WebString(action).utf8();
-    type_ = WebString(type).utf8();
-    parent_ = parent;
-
-    v8::HandleScope scope;
-    v8::Local<v8::Context> ctx = frame->mainWorldScriptContext();
-    v8::Context::Scope cscope(ctx);
-    WebKit::WebSerializedScriptValue ssv =
-        WebKit::WebSerializedScriptValue::fromString(WebString(data));
-    // TODO(gbillock): use an exception handler instead? Need to
-    // pass back error state to caller? This is a pretty unexpected
-    // internal error...
-    CHECK(!ssv.isNull());
-    v8::Local<v8::Value> data_obj =
-        v8::Local<v8::Value>::New(ssv.deserialize());
-
-    data_val_.reset(new CppVariant);
-    WebKit::WebBindings::toNPVariant(data_obj,
-                                     frame->windowObject(),
-                                     data_val_.get());
-
-    BindGetterCallback("action", base::Bind(&BoundDeliveredIntent::getAction,
-                                            base::Unretained(this)));
-    BindGetterCallback("type", base::Bind(&BoundDeliveredIntent::getType,
-                                          base::Unretained(this)));
-    BindGetterCallback("data", base::Bind(&BoundDeliveredIntent::getData,
-                                          base::Unretained(this)));
-    BindCallback("postResult", base::Bind(&BoundDeliveredIntent::postResult,
-                                          base::Unretained(this)));
-    BindCallback("postFailure", base::Bind(&BoundDeliveredIntent::postFailure,
-                                           base::Unretained(this)));
-  }
-
-  virtual ~BoundDeliveredIntent() {
-  }
-
-  WebKit::WebString SerializeCppVariant(const CppVariant& val) {
-    v8::HandleScope scope;
-    v8::Handle<v8::Value> v8obj = WebKit::WebBindings::toV8Value(&val);
-
-    WebKit::WebSerializedScriptValue ssv =
-        WebKit::WebSerializedScriptValue::serialize(v8obj);
-    if (ssv.isNull())
-      return WebKit::WebString();
-
-    return ssv.toString();
-  }
-
-  void postResult(const CppArgumentList& args, CppVariant* retval) {
-    if (args.size() != 1) {
-      WebKit::WebBindings::setException(
-          NULL, "Must pass one argument to postResult");
-      return;
-    }
-
-    WebString str = SerializeCppVariant(args[0]);
-    parent_->OnResult(str);
-  }
-
-  void postFailure(const CppArgumentList& args, CppVariant* retval) {
-    if (args.size() != 1) {
-      WebKit::WebBindings::setException(
-          NULL, "Must pass one argument to postFailure");
-      return;
-    }
-
-    WebString str = SerializeCppVariant(args[0]);
-    parent_->OnFailure(str);
-  }
-
-  void getAction(CppVariant* result) {
-    std::string action;
-    action.assign(action_.data(), action_.length());
-    result->Set(action);
-  }
-
-  void getType(CppVariant* result) {
-    std::string type;
-    type.assign(type_.data(), type_.length());
-    result->Set(type);
-  }
-
-  void getData(CppVariant* result) {
-    result->Set(*data_val_.get());
-  }
-
- private:
-  // Intent data suitable for surfacing to Javascript callers.
-  WebCString action_;
-  WebCString type_;
-  scoped_ptr<CppVariant> data_val_;
-
-  // The dispatcher object, for forwarding postResult/postFailure calls.
-  IntentsDispatcher* parent_;
-};
-
-IntentsDispatcher::IntentsDispatcher(RenderViewImpl* render_view)
-    : content::RenderViewObserver(render_view) {
-}
-
-IntentsDispatcher::~IntentsDispatcher() {}
-
-bool IntentsDispatcher::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(IntentsDispatcher, message)
-    IPC_MESSAGE_HANDLER(IntentsMsg_SetWebIntentData, OnSetIntent)
-    IPC_MESSAGE_HANDLER(IntentsMsg_WebIntentReply, OnWebIntentReply);
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void IntentsDispatcher::OnSetIntent(const webkit_glue::WebIntentData& intent) {
-  intent_.reset(new webkit_glue::WebIntentData(intent));
-}
-
-void IntentsDispatcher::OnWebIntentReply(
-    webkit_glue::WebIntentReplyType reply_type,
-    const WebKit::WebString& data,
-    int intent_id) {
-
-  if (reply_type == webkit_glue::WEB_INTENT_REPLY_SUCCESS) {
-    render_view()->GetWebView()->mainFrame()->handleIntentResult(
-        intent_id, data);
-  } else {
-    render_view()->GetWebView()->mainFrame()->handleIntentFailure(
-        intent_id, data);
-  }
-}
-
-void IntentsDispatcher::OnResult(const WebKit::WebString& data) {
-  Send(new IntentsHostMsg_WebIntentReply(
-      routing_id(), webkit_glue::WEB_INTENT_REPLY_SUCCESS, data));
-}
-
-void IntentsDispatcher::OnFailure(const WebKit::WebString& data) {
-  Send(new IntentsHostMsg_WebIntentReply(
-      routing_id(), webkit_glue::WEB_INTENT_REPLY_FAILURE, data));
-}
-
-// We set the intent payload into all top-level frame window objects. This
-// should persist the data through redirects, and not deliver it to any
-// sub-frames. TODO(gbillock): This policy needs to be fine-tuned and
-// documented.
-void IntentsDispatcher::DidClearWindowObject(WebKit::WebFrame* frame) {
-  if (intent_.get() == NULL || frame->top() != frame)
-    return;
-
-  delivered_intent_.reset(new BoundDeliveredIntent(
-      intent_->action, intent_->type, intent_->data, this, frame));
-  delivered_intent_->BindToJavascript(frame, "intent");
-}