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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/task_manager_resource_providers.h"
#include "base/basictypes.h"
#include "base/stl_util.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/debugger/devtools_window.h"
#include "chrome/browser/notifications/balloon.h"
#include "chrome/browser/notifications/balloon_collection.h"
#include "chrome/browser/notifications/balloon_host.h"
#include "chrome/browser/notifications/balloon_notification_ui_manager.h"
#include "chrome/browser/notifications/notification_ui_manager.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_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"
////////////////////////////////////////////////////////////////////////////////
// TaskManagerNotificationResource class
////////////////////////////////////////////////////////////////////////////////
gfx::ImageSkia* TaskManagerNotificationResource::default_icon_ = NULL;
TaskManagerNotificationResource::TaskManagerNotificationResource(
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());
}
TaskManagerNotificationResource::~TaskManagerNotificationResource() {
}
string16 TaskManagerNotificationResource::GetTitle() const {
return title_;
}
string16 TaskManagerNotificationResource::GetProfileName() const {
return string16();
}
gfx::ImageSkia TaskManagerNotificationResource::GetIcon() const {
return *default_icon_;
}
base::ProcessHandle TaskManagerNotificationResource::GetProcess() const {
return process_handle_;
}
int TaskManagerNotificationResource::GetUniqueChildProcessId() const {
return unique_process_id_;
}
TaskManager::Resource::Type TaskManagerNotificationResource::GetType() const {
return NOTIFICATION;
}
bool TaskManagerNotificationResource::CanInspect() const {
return true;
}
void TaskManagerNotificationResource::Inspect() const {
DevToolsWindow::OpenDevToolsWindow(
balloon_host_->web_contents()->GetRenderViewHost());
}
bool TaskManagerNotificationResource::SupportNetworkUsage() const {
return false;
}
////////////////////////////////////////////////////////////////////////////////
// TaskManagerNotificationResourceProvider class
////////////////////////////////////////////////////////////////////////////////
// static
TaskManagerNotificationResourceProvider*
TaskManagerNotificationResourceProvider::Create(TaskManager* task_manager) {
return new TaskManagerNotificationResourceProvider(task_manager);
}
TaskManagerNotificationResourceProvider::
TaskManagerNotificationResourceProvider(TaskManager* task_manager)
: task_manager_(task_manager),
updating_(false) {
}
TaskManagerNotificationResourceProvider::
~TaskManagerNotificationResourceProvider() {
}
TaskManager::Resource* TaskManagerNotificationResourceProvider::GetResource(
int origin_pid,
int render_process_host_id,
int routing_id) {
// TODO(johnnyg): provide resources by pid if necessary.
return NULL;
}
void TaskManagerNotificationResourceProvider::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 TaskManagerNotificationResourceProvider::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 TaskManagerNotificationResourceProvider::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 TaskManagerNotificationResourceProvider::AddToTaskManager(
BalloonHost* balloon_host) {
TaskManagerNotificationResource* resource =
new TaskManagerNotificationResource(balloon_host);
DCHECK(resources_.find(balloon_host) == resources_.end());
resources_[balloon_host] = resource;
task_manager_->AddResource(resource);
}
void TaskManagerNotificationResourceProvider::RemoveFromTaskManager(
BalloonHost* balloon_host) {
if (!updating_)
return;
std::map<BalloonHost*, TaskManagerNotificationResource*>::iterator iter =
resources_.find(balloon_host);
if (iter == resources_.end())
return;
// Remove the resource from the Task Manager.
TaskManagerNotificationResource* resource = iter->second;
task_manager_->RemoveResource(resource);
// Remove it from the map.
resources_.erase(iter);
// Finally, delete the resource.
delete resource;
}
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