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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/task_manager/notification_resource_provider.h"
#include "base/strings/string16.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/notifications/balloon_host.h"
#include "chrome/browser/notifications/balloon_notification_ui_manager.h"
#include "chrome/browser/task_manager/task_manager.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image_skia.h"
namespace task_manager {
class NotificationResource : public Resource {
public:
explicit NotificationResource(BalloonHost* balloon_host);
virtual ~NotificationResource();
// Resource interface
virtual string16 GetTitle() const OVERRIDE;
virtual string16 GetProfileName() const OVERRIDE;
virtual gfx::ImageSkia GetIcon() const OVERRIDE;
virtual base::ProcessHandle GetProcess() const OVERRIDE;
virtual int GetUniqueChildProcessId() const OVERRIDE;
virtual Type GetType() const OVERRIDE;
virtual bool CanInspect() const OVERRIDE;
virtual void Inspect() const OVERRIDE;
virtual bool SupportNetworkUsage() const OVERRIDE;
virtual void SetSupportNetworkUsage() OVERRIDE { }
private:
// The icon painted for notifications. .
static gfx::ImageSkia* default_icon_;
// Non-owned pointer to the balloon host.
BalloonHost* balloon_host_;
// Cached data about the balloon host.
base::ProcessHandle process_handle_;
int pid_;
int unique_process_id_;
string16 title_;
DISALLOW_COPY_AND_ASSIGN(NotificationResource);
};
gfx::ImageSkia* NotificationResource::default_icon_ = NULL;
NotificationResource::NotificationResource(BalloonHost* balloon_host)
: balloon_host_(balloon_host) {
if (!default_icon_) {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
}
process_handle_ =
balloon_host_->web_contents()->GetRenderProcessHost()->GetHandle();
unique_process_id_ =
balloon_host_->web_contents()->GetRenderProcessHost()->GetID();
pid_ = base::GetProcId(process_handle_);
title_ = l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_NOTIFICATION_PREFIX,
balloon_host_->GetSource());
}
NotificationResource::~NotificationResource() {
}
string16 NotificationResource::GetTitle() const {
return title_;
}
string16 NotificationResource::GetProfileName() const {
return string16();
}
gfx::ImageSkia NotificationResource::GetIcon() const {
return *default_icon_;
}
base::ProcessHandle NotificationResource::GetProcess() const {
return process_handle_;
}
int NotificationResource::GetUniqueChildProcessId() const {
return unique_process_id_;
}
Resource::Type NotificationResource::GetType() const {
return NOTIFICATION;
}
bool NotificationResource::CanInspect() const {
return true;
}
void NotificationResource::Inspect() const {
DevToolsWindow::OpenDevToolsWindow(
balloon_host_->web_contents()->GetRenderViewHost());
}
bool NotificationResource::SupportNetworkUsage() const {
return false;
}
////////////////////////////////////////////////////////////////////////////////
// NotificationResourceProvider class
////////////////////////////////////////////////////////////////////////////////
// static
NotificationResourceProvider*
NotificationResourceProvider::Create(TaskManager* task_manager) {
return new NotificationResourceProvider(task_manager);
}
NotificationResourceProvider::
NotificationResourceProvider(TaskManager* task_manager)
: task_manager_(task_manager),
updating_(false) {
}
NotificationResourceProvider::~NotificationResourceProvider() {
}
Resource* NotificationResourceProvider::GetResource(
int origin_pid,
int render_process_host_id,
int routing_id) {
// TODO(johnnyg): provide resources by pid if necessary.
return NULL;
}
void NotificationResourceProvider::StartUpdating() {
// MessageCenter does not use Balloons.
if (NotificationUIManager::DelegatesToMessageCenter())
return;
DCHECK(!updating_);
updating_ = true;
// Add all the existing BalloonHosts.
BalloonNotificationUIManager* balloon_manager =
static_cast<BalloonNotificationUIManager*>(
g_browser_process->notification_ui_manager());
BalloonCollection* collection = balloon_manager->balloon_collection();
const BalloonCollection::Balloons& balloons =
collection->GetActiveBalloons();
for (BalloonCollection::Balloons::const_iterator it = balloons.begin();
it != balloons.end(); ++it) {
BalloonHost* balloon_host = (*it)->balloon_view()->GetHost();
if (balloon_host)
AddToTaskManager(balloon_host);
}
// Register for notifications about extension process changes.
registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED,
content::NotificationService::AllSources());
registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
content::NotificationService::AllSources());
}
void NotificationResourceProvider::StopUpdating() {
// MessageCenter does not use Balloons.
if (NotificationUIManager::DelegatesToMessageCenter())
return;
DCHECK(updating_);
updating_ = false;
// Unregister for notifications about extension process changes.
registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED,
content::NotificationService::AllSources());
registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
content::NotificationService::AllSources());
// Delete all the resources.
STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end());
resources_.clear();
}
void NotificationResourceProvider::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED:
AddToTaskManager(content::Source<BalloonHost>(source).ptr());
break;
case chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED:
RemoveFromTaskManager(content::Source<BalloonHost>(source).ptr());
break;
default:
NOTREACHED() << "Unexpected notification.";
return;
}
}
void NotificationResourceProvider::AddToTaskManager(
BalloonHost* balloon_host) {
NotificationResource* resource = new NotificationResource(balloon_host);
DCHECK(resources_.find(balloon_host) == resources_.end());
resources_[balloon_host] = resource;
task_manager_->AddResource(resource);
}
void NotificationResourceProvider::RemoveFromTaskManager(
BalloonHost* balloon_host) {
if (!updating_)
return;
std::map<BalloonHost*, NotificationResource*>::iterator iter =
resources_.find(balloon_host);
if (iter == resources_.end())
return;
// Remove the resource from the Task Manager.
NotificationResource* resource = iter->second;
task_manager_->RemoveResource(resource);
// Remove it from the map.
resources_.erase(iter);
// Finally, delete the resource.
delete resource;
}
} // namespace task_manager
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