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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 "chrome/browser/notifications/balloon_host.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/extension_web_contents_observer.h"
#include "chrome/browser/notifications/balloon.h"
#include "chrome/browser/notifications/balloon_collection_impl.h"
#include "chrome/browser/notifications/notification.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_preferences_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/host_desktop.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/renderer_preferences.h"
#include "extensions/browser/view_type_utils.h"
#include "extensions/common/extension_messages.h"
#include "ipc/ipc_message.h"
using content::SiteInstance;
using content::WebContents;
BalloonHost::BalloonHost(Balloon* balloon)
: balloon_(balloon),
initialized_(false),
should_notify_on_disconnect_(false),
enable_web_ui_(false),
extension_function_dispatcher_(balloon_->profile(), this) {
site_instance_ = SiteInstance::CreateForURL(
balloon_->profile(), balloon_->notification().content_url());
}
void BalloonHost::Shutdown() {
NotifyDisconnect();
web_contents_.reset();
site_instance_ = NULL;
balloon_ = NULL; // No longer safe to access |balloon_|
}
extensions::WindowController*
BalloonHost::GetExtensionWindowController() const {
// Notifications don't have a window controller.
return NULL;
}
content::WebContents* BalloonHost::GetAssociatedWebContents() const {
return NULL;
}
const base::string16& BalloonHost::GetSource() const {
return balloon_->notification().display_source();
}
void BalloonHost::CloseContents(WebContents* source) {
if (!balloon_)
return;
balloon_->CloseByScript();
NotifyDisconnect();
}
void BalloonHost::HandleMouseDown() {
if (balloon_)
balloon_->OnClick();
}
void BalloonHost::ResizeDueToAutoResize(WebContents* source,
const gfx::Size& pref_size) {
if (balloon_)
balloon_->ResizeDueToAutoResize(pref_size);
}
void BalloonHost::AddNewContents(WebContents* source,
WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture,
bool* was_blocked) {
Browser* browser = chrome::FindLastActiveWithProfile(
Profile::FromBrowserContext(new_contents->GetBrowserContext()),
chrome::GetActiveDesktop());
if (browser) {
chrome::AddWebContents(browser, NULL, new_contents, disposition,
initial_pos, user_gesture, was_blocked);
}
}
void BalloonHost::RenderViewCreated(content::RenderViewHost* render_view_host) {
gfx::Size min_size(BalloonCollectionImpl::min_balloon_width(),
BalloonCollectionImpl::min_balloon_height());
gfx::Size max_size(BalloonCollectionImpl::max_balloon_width(),
BalloonCollectionImpl::max_balloon_height());
render_view_host->EnableAutoResize(min_size, max_size);
if (enable_web_ui_)
render_view_host->AllowBindings(content::BINDINGS_POLICY_WEB_UI);
}
void BalloonHost::RenderViewReady() {
should_notify_on_disconnect_ = true;
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED,
content::Source<BalloonHost>(this),
content::NotificationService::NoDetails());
}
void BalloonHost::RenderProcessGone(base::TerminationStatus status) {
CloseContents(web_contents_.get());
}
bool BalloonHost::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(BalloonHost, message)
IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void BalloonHost::OnRequest(const ExtensionHostMsg_Request_Params& params) {
extension_function_dispatcher_.Dispatch(params,
web_contents_->GetRenderViewHost());
}
void BalloonHost::Init() {
DCHECK(!web_contents_.get()) << "BalloonViewHost already initialized.";
web_contents_.reset(WebContents::Create(
WebContents::CreateParams(balloon_->profile(), site_instance_.get())));
extensions::SetViewType(
web_contents_.get(), extensions::VIEW_TYPE_NOTIFICATION);
web_contents_->SetDelegate(this);
extensions::ExtensionWebContentsObserver::CreateForWebContents(
web_contents_.get());
Observe(web_contents_.get());
renderer_preferences_util::UpdateFromSystemSettings(
web_contents_->GetMutableRendererPrefs(), balloon_->profile());
web_contents_->GetRenderViewHost()->SyncRendererPrefs();
web_contents_->GetController().LoadURL(
balloon_->notification().content_url(), content::Referrer(),
content::PAGE_TRANSITION_LINK, std::string());
initialized_ = true;
}
void BalloonHost::EnableWebUI() {
DCHECK(!web_contents_.get()) <<
"EnableWebUI has to be called before a renderer is created.";
enable_web_ui_ = true;
}
BalloonHost::~BalloonHost() {
}
void BalloonHost::NotifyDisconnect() {
if (!should_notify_on_disconnect_)
return;
should_notify_on_disconnect_ = false;
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
content::Source<BalloonHost>(this),
content::NotificationService::NoDetails());
}
bool BalloonHost::IsRenderViewReady() const {
return should_notify_on_disconnect_;
}
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