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// 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/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/intents_host.h"
#include "content/public/common/content_switches.h"
#include "webkit/glue/web_intent_data.h"
#include "webkit/glue/web_intent_reply_data.h"
IntentInjector::IntentInjector(TabContents* tab_contents)
: TabContentsObserver(tab_contents),
source_tab_(NULL) {
DCHECK(tab_contents);
}
IntentInjector::~IntentInjector() {
}
void IntentInjector::TabContentsDestroyed(TabContents* tab) {
if (source_tab_) {
source_tab_->SendReplyMessage(webkit_glue::WEB_INTENT_SERVICE_TAB_CLOSED,
string16());
}
delete this;
}
void IntentInjector::SourceTabContentsDestroyed(TabContents* tab) {
source_tab_ = NULL;
}
void IntentInjector::SetIntent(content::IntentsHost* source_tab,
const webkit_glue::WebIntentData& intent) {
source_tab_ = source_tab;
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 TabContentsObserver latch? That still looks
// like it might be racy, though.
void IntentInjector::SendIntent() {
if (source_intent_.get() == NULL ||
!CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableWebIntents) ||
tab_contents()->render_view_host() == NULL) {
return;
}
// Send intent data through to renderer.
tab_contents()->render_view_host()->Send(new IntentsMsg_SetWebIntentData(
tab_contents()->render_view_host()->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::kEnableWebIntents))
NOTREACHED();
if (source_tab_) {
source_tab_->SendReplyMessage(reply_type, data);
}
}
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