Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/task_manager_panel_resource_provider.cc

Index: chrome/browser/task_manager/task_manager_panel_resource_provider.cc
diff --git a/chrome/browser/task_manager/task_manager_panel_resource_provider.cc b/chrome/browser/task_manager/task_manager_panel_resource_provider.cc
deleted file mode 100644
index 9e6f47f00ce28ffe3ceafaa3e58845d3158ab2d1..0000000000000000000000000000000000000000
--- a/chrome/browser/task_manager/task_manager_panel_resource_provider.cc
+++ /dev/null
@@ -1,237 +0,0 @@
-// Copyright 2013 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_panel_resource_provider.h"
-
-#include "base/i18n/rtl.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/task_manager/task_manager_render_resource.h"
-#include "chrome/browser/task_manager/task_manager_resource_util.h"
-#include "chrome/browser/ui/panels/panel.h"
-#include "chrome/browser/ui/panels/panel_manager.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/extensions/extension.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 "extensions/browser/view_type_utils.h"
-#include "ui/base/l10n/l10n_util.h"
-
-using content::RenderProcessHost;
-using content::RenderViewHost;
-using content::WebContents;
-using extensions::Extension;
-
-class TaskManagerPanelResource : public TaskManagerRendererResource {
- public:
-  explicit TaskManagerPanelResource(Panel* panel);
-  virtual ~TaskManagerPanelResource();
-
-  // TaskManager::Resource methods:
-  virtual Type GetType() const OVERRIDE;
-  virtual string16 GetTitle() const OVERRIDE;
-  virtual string16 GetProfileName() const OVERRIDE;
-  virtual gfx::ImageSkia GetIcon() const OVERRIDE;
-  virtual content::WebContents* GetWebContents() const OVERRIDE;
-  virtual const extensions::Extension* GetExtension() const OVERRIDE;
-
- private:
-  Panel* panel_;
-  // Determines prefix for title reflecting whether extensions are apps
-  // or in incognito mode.
-  int message_prefix_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerPanelResource);
-};
-
-TaskManagerPanelResource::TaskManagerPanelResource(Panel* panel)
-    : TaskManagerRendererResource(
-        panel->GetWebContents()->GetRenderProcessHost()->GetHandle(),
-        panel->GetWebContents()->GetRenderViewHost()),
-      panel_(panel) {
-  message_prefix_id_ = TaskManagerResourceUtil::GetMessagePrefixID(
-      GetExtension()->is_app(),
-      true,  // is_extension
-      panel->profile()->IsOffTheRecord(),
-      false,  // is_prerender
-      false,  // is_instant_overlay
-      false);  // is_background
-}
-
-TaskManagerPanelResource::~TaskManagerPanelResource() {
-}
-
-TaskManager::Resource::Type TaskManagerPanelResource::GetType() const {
-  return EXTENSION;
-}
-
-string16 TaskManagerPanelResource::GetTitle() const {
-  string16 title = panel_->GetWindowTitle();
-  // Since the title will be concatenated with an IDS_TASK_MANAGER_* prefix
-  // we need to explicitly set the title to be LTR format if there is no
-  // strong RTL charater in it. Otherwise, if the task manager prefix is an
-  // RTL word, the concatenated result might be wrong. For example,
-  // a page whose title is "Yahoo! Mail: The best web-based Email!", without
-  // setting it explicitly as LTR format, the concatenated result will be
-  // "!Yahoo! Mail: The best web-based Email :PPA", in which the capital
-  // letters "PPA" stands for the Hebrew word for "app".
-  base::i18n::AdjustStringForLocaleDirection(&title);
-
-  return l10n_util::GetStringFUTF16(message_prefix_id_, title);
-}
-
-string16 TaskManagerPanelResource::GetProfileName() const {
-  return TaskManagerResourceUtil::GetProfileNameFromInfoCache(
-      panel_->profile());
-}
-
-gfx::ImageSkia TaskManagerPanelResource::GetIcon() const {
-  gfx::Image icon = panel_->GetCurrentPageIcon();
-  return icon.IsEmpty() ? gfx::ImageSkia() : *icon.ToImageSkia();
-}
-
-WebContents* TaskManagerPanelResource::GetWebContents() const {
-  return panel_->GetWebContents();
-}
-
-const Extension* TaskManagerPanelResource::GetExtension() const {
-  ExtensionService* extension_service =
-      panel_->profile()->GetExtensionService();
-  return extension_service->extensions()->GetByID(panel_->extension_id());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TaskManagerPanelResourceProvider class
-////////////////////////////////////////////////////////////////////////////////
-
-TaskManagerPanelResourceProvider::TaskManagerPanelResourceProvider(
-    TaskManager* task_manager)
-    : updating_(false),
-      task_manager_(task_manager) {
-}
-
-TaskManagerPanelResourceProvider::~TaskManagerPanelResourceProvider() {
-}
-
-TaskManager::Resource* TaskManagerPanelResourceProvider::GetResource(
-    int origin_pid,
-    int render_process_host_id,
-    int routing_id) {
-  // If an origin PID was specified, the request is from a plugin, not the
-  // render view host process
-  if (origin_pid)
-    return NULL;
-
-  for (PanelResourceMap::iterator i = resources_.begin();
-       i != resources_.end(); ++i) {
-    WebContents* contents = i->first->GetWebContents();
-    if (contents &&
-        contents->GetRenderProcessHost()->GetID() == render_process_host_id &&
-        contents->GetRenderViewHost()->GetRoutingID() == routing_id) {
-      return i->second;
-    }
-  }
-
-  // Can happen if the panel went away while a network request was being
-  // performed.
-  return NULL;
-}
-
-void TaskManagerPanelResourceProvider::StartUpdating() {
-  DCHECK(!updating_);
-  updating_ = true;
-
-  // Add all the Panels.
-  std::vector<Panel*> panels = PanelManager::GetInstance()->panels();
-  for (size_t i = 0; i < panels.size(); ++i)
-    Add(panels[i]);
-
-  // Then we register for notifications to get new and remove closed panels.
-  registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED,
-                 content::NotificationService::AllSources());
-  registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
-                 content::NotificationService::AllSources());
-}
-
-void TaskManagerPanelResourceProvider::StopUpdating() {
-  DCHECK(updating_);
-  updating_ = false;
-
-  // Unregister for notifications about new/removed panels.
-  registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED,
-                    content::NotificationService::AllSources());
-  registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
-                    content::NotificationService::AllSources());
-
-  // Delete all the resources.
-  STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end());
-  resources_.clear();
-}
-
-void TaskManagerPanelResourceProvider::Add(Panel* panel) {
-  if (!updating_)
-    return;
-
-  PanelResourceMap::const_iterator iter = resources_.find(panel);
-  if (iter != resources_.end())
-    return;
-
-  TaskManagerPanelResource* resource = new TaskManagerPanelResource(panel);
-  resources_[panel] = resource;
-  task_manager_->AddResource(resource);
-}
-
-void TaskManagerPanelResourceProvider::Remove(Panel* panel) {
-  if (!updating_)
-    return;
-
-  PanelResourceMap::iterator iter = resources_.find(panel);
-  if (iter == resources_.end())
-    return;
-
-  TaskManagerPanelResource* resource = iter->second;
-  task_manager_->RemoveResource(resource);
-  resources_.erase(iter);
-  delete resource;
-}
-
-void TaskManagerPanelResourceProvider::Observe(int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  WebContents* web_contents = content::Source<WebContents>(source).ptr();
-  if (extensions::GetViewType(web_contents) != extensions::VIEW_TYPE_PANEL)
-    return;
-
-  switch (type) {
-    case content::NOTIFICATION_WEB_CONTENTS_CONNECTED:
-    {
-      std::vector<Panel*>panels = PanelManager::GetInstance()->panels();
-      for (size_t i = 0; i < panels.size(); ++i) {
-        if (panels[i]->GetWebContents() == web_contents) {
-          Add(panels[i]);
-          break;
-        }
-      }
-      break;
-    }
-    case content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED:
-    {
-      for (PanelResourceMap::iterator iter = resources_.begin();
-           iter != resources_.end(); ++iter) {
-        Panel* panel = iter->first;
-        WebContents* panel_contents = panel->GetWebContents();
-        if (!panel_contents || panel_contents == web_contents) {
-          Remove(panel);
-          break;
-        }
-      }
-      break;
-    }
-    default:
-      NOTREACHED() << "Unexpected notificiation.";
-      break;
-  }
-}