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// Copyright (c) 2010 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/browser_list.h"
#include "chrome/browser/in_process_webkit/webkit_context.h"
#include "chrome/browser/extensions/extension_process_manager.h"
#include "chrome/browser/notifications/balloon.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/renderer_host/site_instance.h"
#include "chrome/browser/renderer_preferences_util.h"
#include "chrome/common/bindings_policy.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_type.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/renderer_preferences.h"
#include "chrome/common/url_constants.h"
BalloonHost::BalloonHost(Balloon* balloon)
: render_view_host_(NULL),
balloon_(balloon),
initialized_(false),
should_notify_on_disconnect_(false) {
DCHECK(balloon_);
// If the notification is for an extension URL, make sure to use the extension
// process to render it, so that it can communicate with other views in the
// extension.
const GURL& balloon_url = balloon_->notification().content_url();
if (balloon_url.SchemeIs(chrome::kExtensionScheme)) {
site_instance_ =
balloon_->profile()->GetExtensionProcessManager()->GetSiteInstanceForURL(
balloon_url);
} else {
site_instance_ = SiteInstance::CreateSiteInstance(balloon_->profile());
}
}
void BalloonHost::Shutdown() {
if (render_view_host_) {
render_view_host_->Shutdown();
render_view_host_ = NULL;
}
}
WebPreferences BalloonHost::GetWebkitPrefs() {
WebPreferences prefs;
prefs.allow_scripts_to_close_windows = true;
return prefs;
}
void BalloonHost::Close(RenderViewHost* render_view_host) {
balloon_->CloseByScript();
}
void BalloonHost::RenderViewCreated(RenderViewHost* render_view_host) {
render_view_host->Send(new ViewMsg_EnablePreferredSizeChangedMode(
render_view_host->routing_id()));
}
void BalloonHost::RendererReady(RenderViewHost* render_view_host) {
should_notify_on_disconnect_ = true;
NotificationService::current()->Notify(
NotificationType::NOTIFY_BALLOON_CONNECTED,
Source<Balloon>(balloon_), NotificationService::NoDetails());
}
void BalloonHost::RendererGone(RenderViewHost* render_view_host) {
if (!should_notify_on_disconnect_)
return;
should_notify_on_disconnect_ = false;
NotificationService::current()->Notify(
NotificationType::NOTIFY_BALLOON_DISCONNECTED,
Source<Balloon>(balloon_), NotificationService::NoDetails());
}
void BalloonHost::ProcessDOMUIMessage(const std::string& message,
const Value* content,
const GURL& source_url,
int request_id,
bool has_callback) {
if (extension_function_dispatcher_.get()) {
extension_function_dispatcher_->HandleRequest(
message, content, source_url, request_id, has_callback);
}
}
// RenderViewHostDelegate::View methods implemented to allow links to
// open pages in new tabs.
void BalloonHost::CreateNewWindow(int route_id) {
delegate_view_helper_.CreateNewWindow(
route_id, balloon_->profile(), site_instance_.get(),
DOMUIFactory::GetDOMUIType(balloon_->notification().content_url()), NULL);
}
void BalloonHost::ShowCreatedWindow(int route_id,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture) {
// Don't allow pop-ups from notifications.
if (disposition == NEW_POPUP)
return;
TabContents* contents = delegate_view_helper_.GetCreatedWindow(route_id);
if (contents) {
Browser* browser = BrowserList::GetLastActive();
browser->AddTabContents(contents, disposition, initial_pos, user_gesture);
}
}
void BalloonHost::UpdatePreferredSize(const gfx::Size& new_size) {
balloon_->SetContentPreferredSize(new_size);
}
void BalloonHost::Init() {
DCHECK(!render_view_host_) << "BalloonViewHost already initialized.";
int64 session_storage_namespace_id = balloon_->profile()->GetWebKitContext()->
dom_storage_context()->AllocateSessionStorageNamespaceId();
RenderViewHost* rvh = new RenderViewHost(site_instance_.get(),
this, MSG_ROUTING_NONE,
session_storage_namespace_id);
extension_function_dispatcher_.reset(
ExtensionFunctionDispatcher::Create(
rvh, this, balloon_->notification().content_url()));
if (extension_function_dispatcher_.get())
rvh->AllowBindings(BindingsPolicy::EXTENSION);
// Do platform-specific initialization.
render_view_host_ = rvh;
InitRenderWidgetHostView();
DCHECK(render_widget_host_view());
rvh->set_view(render_widget_host_view());
rvh->CreateRenderView(GetProfile()->GetRequestContext());
rvh->NavigateToURL(balloon_->notification().content_url());
initialized_ = true;
}
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