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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/command_line.h"
#include "base/logging.h"
#include "base/string16.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/browser/tab_contents/tab_contents.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::WebContents;
IntentInjector::IntentInjector(WebContents* web_contents)
: content::WebContentsObserver(web_contents),
intents_dispatcher_(NULL) {
DCHECK(web_contents);
}
IntentInjector::~IntentInjector() {
}
void IntentInjector::WebContentsDestroyed(content::WebContents* tab) {
if (intents_dispatcher_) {
intents_dispatcher_->SendReplyMessage(
webkit_glue::WEB_INTENT_SERVICE_TAB_CLOSED, string16());
}
delete this;
}
void IntentInjector::SourceWebContentsDestroyed(WebContents* tab) {
intents_dispatcher_ = NULL;
}
void IntentInjector::SetIntent(
content::WebIntentsDispatcher* intents_dispatcher,
const webkit_glue::WebIntentData& intent) {
intents_dispatcher_ = intents_dispatcher;
source_intent_.reset(new webkit_glue::WebIntentData(intent));
SendIntent();
}
void IntentInjector::RenderViewCreated(RenderViewHost* host) {
SendIntent();
}
void IntentInjector::DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) {
SendIntent();
}
// TODO(gbillock): The "correct" thing here is for this to be a
// RenderViewHostObserver, and do this on RenderViewHostInitialized. There's no
// good hooks for attaching the intent to such an object, though. All RVHOs get
// made deep inside tab contents initialization. Idea: propagate out
// RenderViewHostInitialized to a WebContentsObserver latch? That still looks
// like it might be racy, though.
void IntentInjector::SendIntent() {
if (source_intent_.get() == NULL ||
CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableWebIntents) ||
web_contents()->GetRenderViewHost() == NULL) {
return;
}
// Send intent data through to renderer.
web_contents()->GetRenderViewHost()->Send(new IntentsMsg_SetWebIntentData(
web_contents()->GetRenderViewHost()->routing_id(),
*(source_intent_.get())));
source_intent_.reset(NULL);
}
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_) {
intents_dispatcher_->SendReplyMessage(reply_type, data);
}
}
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