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// Copyright (c) 2012 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/web_intents_host.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/utf_string_conversions.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/WebBlob.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDeliveredIntentClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebIntent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebIntentRequest.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSerializedScriptValue.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
#include "v8/include/v8.h"
#include "webkit/fileapi/file_system_util.h"
#include "webkit/glue/cpp_bound_class.h"
using WebKit::WebBindings;
using WebKit::WebBlob;
using WebKit::WebCString;
using WebKit::WebDeliveredIntentClient;
using WebKit::WebFrame;
using WebKit::WebIntent;
using WebKit::WebIntentRequest;
using WebKit::WebString;
using WebKit::WebSerializedScriptValue;
using WebKit::WebVector;
class DeliveredIntentClientImpl : public WebDeliveredIntentClient {
public:
explicit DeliveredIntentClientImpl(WebIntentsHost* host) : host_(host) {}
virtual ~DeliveredIntentClientImpl() {}
virtual void postResult(const WebSerializedScriptValue& data) const {
host_->OnResult(data.toString());
}
virtual void postFailure(const WebSerializedScriptValue& data) const {
host_->OnFailure(data.toString());
}
virtual void destroy() OVERRIDE {
}
private:
WebIntentsHost* host_;
};
WebIntentsHost::WebIntentsHost(RenderViewImpl* render_view)
: content::RenderViewObserver(render_view),
id_counter_(0) {
}
WebIntentsHost::~WebIntentsHost() {
}
int WebIntentsHost::RegisterWebIntent(
const WebIntentRequest& request) {
int id = id_counter_++;
intent_requests_[id] = request;
return id;
}
bool WebIntentsHost::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WebIntentsHost, 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 WebIntentsHost::OnSetIntent(const webkit_glue::WebIntentData& intent) {
intent_.reset(new webkit_glue::WebIntentData(intent));
}
void WebIntentsHost::OnWebIntentReply(
webkit_glue::WebIntentReplyType reply_type,
const WebKit::WebString& data,
int intent_id) {
std::map<int, WebIntentRequest>::iterator request =
intent_requests_.find(intent_id);
if (request == intent_requests_.end())
return;
WebIntentRequest intent_request = request->second;
intent_requests_.erase(request);
WebSerializedScriptValue value =
WebSerializedScriptValue::fromString(data);
if (reply_type == webkit_glue::WEB_INTENT_REPLY_SUCCESS) {
intent_request.postResult(value);
} else {
intent_request.postFailure(value);
}
}
void WebIntentsHost::OnResult(const WebKit::WebString& data) {
Send(new IntentsHostMsg_WebIntentReply(
routing_id(), webkit_glue::WEB_INTENT_REPLY_SUCCESS, data));
}
void WebIntentsHost::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): match to spec to double-check registration match before
// delivery.
void WebIntentsHost::DidClearWindowObject(WebFrame* frame) {
if (intent_.get() == NULL || frame->top() != frame)
return;
if (!delivered_intent_client_.get()) {
delivered_intent_client_.reset(new DeliveredIntentClientImpl(this));
}
WebVector<WebString> extras_keys(intent_->extra_data.size());
WebVector<WebString> extras_values(intent_->extra_data.size());
std::map<string16, string16>::iterator iter;
int i;
for (i = 0, iter = intent_->extra_data.begin();
iter != intent_->extra_data.end();
++i, ++iter) {
extras_keys[i] = iter->first;
extras_values[i] = iter->second;
}
v8::HandleScope scope;
v8::Local<v8::Context> ctx = frame->mainWorldScriptContext();
v8::Context::Scope cscope(ctx);
WebIntent web_intent;
if (intent_->data_type == webkit_glue::WebIntentData::SERIALIZED) {
web_intent = WebIntent::create(intent_->action, intent_->type,
intent_->data,
extras_keys, extras_values);
} else if (intent_->data_type == webkit_glue::WebIntentData::UNSERIALIZED) {
v8::Local<v8::String> dataV8 = v8::String::New(
reinterpret_cast<const uint16_t*>(intent_->unserialized_data.data()),
static_cast<int>(intent_->unserialized_data.length()));
WebSerializedScriptValue serialized_data =
WebSerializedScriptValue::serialize(dataV8);
web_intent = WebIntent::create(intent_->action, intent_->type,
serialized_data.toString(),
extras_keys, extras_values);
} else if (intent_->data_type == webkit_glue::WebIntentData::BLOB) {
DCHECK(intent_->data_type == webkit_glue::WebIntentData::BLOB);
web_blob_ = WebBlob::createFromFile(
WebString::fromUTF8(intent_->blob_file.AsUTF8Unsafe()),
intent_->blob_length);
WebSerializedScriptValue serialized_data =
WebSerializedScriptValue::serialize(web_blob_.toV8Value());
web_intent = WebIntent::create(intent_->action, intent_->type,
serialized_data.toString(),
extras_keys, extras_values);
} else if (intent_->data_type == webkit_glue::WebIntentData::FILESYSTEM) {
const GURL origin = GURL(frame->document().securityOrigin().toString());
const GURL root_url =
fileapi::GetFileSystemRootURI(origin, fileapi::kFileSystemTypeIsolated);
const std::string url = base::StringPrintf(
"%s%s/%s/",
root_url.spec().c_str(),
intent_->filesystem_id.c_str(),
intent_->root_name.c_str());
// TODO(kmadhusu): This is a temporary hack to create a serializable file
// system. Once we have a better way to create a serializable file system,
// remove this hack.
v8::Handle<v8::Value> filesystem_V8 = frame->createSerializableFileSystem(
WebKit::WebFileSystem::TypeIsolated,
WebKit::WebString::fromUTF8(intent_->root_name),
WebKit::WebString::fromUTF8(url));
WebSerializedScriptValue serialized_data =
WebSerializedScriptValue::serialize(filesystem_V8);
web_intent = WebIntent::create(intent_->action, intent_->type,
serialized_data.toString(),
extras_keys, extras_values);
} else {
NOTREACHED();
}
if (!web_intent.action().isEmpty())
frame->deliverIntent(web_intent, NULL, delivered_intent_client_.get());
}
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