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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/browser/intents/intent_injector.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/file_path.h"
#include "base/logging.h"
#include "base/string16.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/intents_messages.h"
#include "content/public/browser/web_intents_dispatcher.h"
#include "content/public/common/content_switches.h"
#include "webkit/glue/web_intent_data.h"
#include "webkit/glue/web_intent_reply_data.h"
using content::RenderViewHost;
using content::WebContents;
IntentInjector::IntentInjector(WebContents* web_contents)
: content::WebContentsObserver(web_contents),
intents_dispatcher_(NULL) {
DCHECK(web_contents);
}
IntentInjector::~IntentInjector() {
}
void IntentInjector::WebContentsDestroyed(content::WebContents* contents) {
if (intents_dispatcher_) {
intents_dispatcher_->SendReplyMessage(
webkit_glue::WEB_INTENT_SERVICE_CONTENTS_CLOSED, string16());
}
delete this;
}
void IntentInjector::SourceWebContentsDestroyed(WebContents* contents) {
intents_dispatcher_ = NULL;
}
void IntentInjector::SetIntent(
content::WebIntentsDispatcher* intents_dispatcher,
const webkit_glue::WebIntentData& intent) {
intents_dispatcher_ = intents_dispatcher;
intents_dispatcher_->RegisterReplyNotification(
base::Bind(&IntentInjector::OnSendReturnMessage, base::Unretained(this)));
source_intent_.reset(new webkit_glue::WebIntentData(intent));
initial_url_ = web_contents()->GetPendingSiteInstance()->GetSite();
}
void IntentInjector::OnSendReturnMessage(
webkit_glue::WebIntentReplyType reply_type) {
intents_dispatcher_ = NULL;
}
void IntentInjector::RenderViewCreated(RenderViewHost* render_view_host) {
if (source_intent_.get() == NULL ||
CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableWebIntents) ||
web_contents()->GetRenderViewHost() == NULL) {
return;
}
// Only deliver the intent to the renderer if it has the same origin
// as the initial delivery target.
if (initial_url_.GetOrigin() !=
render_view_host->GetSiteInstance()->GetSite().GetOrigin()) {
return;
}
if (source_intent_->data_type == webkit_glue::WebIntentData::BLOB) {
// Grant read permission on the blob file to the delivered context.
int child_id = render_view_host->GetProcess()->GetID();
ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile(
child_id, source_intent_->blob_file);
}
render_view_host->Send(new IntentsMsg_SetWebIntentData(
render_view_host->GetRoutingID(), *(source_intent_.get())));
}
bool IntentInjector::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(IntentInjector, message)
IPC_MESSAGE_HANDLER(IntentsHostMsg_WebIntentReply, OnReply);
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void IntentInjector::OnReply(webkit_glue::WebIntentReplyType reply_type,
const string16& data) {
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableWebIntents))
NOTREACHED();
if (intents_dispatcher_) {
// Ensure we only call SendReplyMessage once.
content::WebIntentsDispatcher* intents_dispatcher = intents_dispatcher_;
intents_dispatcher_ = NULL;
intents_dispatcher->SendReplyMessage(reply_type, data);
}
}
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