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

chrome/browser/task_manager/background_resource_provider.cc

 // 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_background_resource_provider.h"
+#include "chrome/browser/task_manager/background_resource_provider.h"
 
-#include <string>
-
-#include "base/basictypes.h"
 #include "base/i18n/rtl.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/background/background_contents_service_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/tab_contents/background_contents.h"
+#include "chrome/browser/task_manager/renderer_resource.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 "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"
 
 using content::RenderProcessHost;
 using content::RenderViewHost;
 using content::WebContents;
 using extensions::Extension;
 
-////////////////////////////////////////////////////////////////////////////////
-// TaskManagerBackgroundContentsResource class
-////////////////////////////////////////////////////////////////////////////////
+namespace task_manager {
 
-gfx::ImageSkia* TaskManagerBackgroundContentsResource::default_icon_ = NULL;
+class BackgroundContentsResource : public RendererResource {
+ public:
+  BackgroundContentsResource(
+      BackgroundContents* background_contents,
+      const string16& application_name);
+  virtual ~BackgroundContentsResource();
+
+  // TaskManager::Resource methods:
+  virtual string16 GetTitle() const OVERRIDE;
+  virtual string16 GetProfileName() const OVERRIDE;
+  virtual gfx::ImageSkia GetIcon() const OVERRIDE;
+  virtual bool IsBackground() const OVERRIDE;
+
+  const string16& application_name() const { return application_name_; }
+ private:
+  BackgroundContents* background_contents_;
+
+  string16 application_name_;
+
+  // The icon painted for BackgroundContents.
+  // TODO(atwilson): Use the favicon when there's a way to get the favicon for
+  // BackgroundContents.
+  static gfx::ImageSkia* default_icon_;
+
+  DISALLOW_COPY_AND_ASSIGN(BackgroundContentsResource);
+};
+
+gfx::ImageSkia* BackgroundContentsResource::default_icon_ = NULL;
 
 // TODO(atwilson): http://crbug.com/116893
 // HACK: if the process handle is invalid, we use the current process's handle.
 // This preserves old behavior but is incorrect, and should be fixed.
-TaskManagerBackgroundContentsResource::TaskManagerBackgroundContentsResource(
+BackgroundContentsResource::BackgroundContentsResource(
     BackgroundContents* background_contents,
     const string16& application_name)
-    : TaskManagerRendererResource(
+    : RendererResource(
           background_contents->web_contents()->GetRenderProcessHost()->
               GetHandle() ?
               background_contents->web_contents()->GetRenderProcessHost()->
                   GetHandle() :
               base::Process::Current().handle(),
           background_contents->web_contents()->GetRenderViewHost()),
       background_contents_(background_contents),
       application_name_(application_name) {
   // Just use the same icon that other extension resources do.
   // TODO(atwilson): Use the favicon when that's available.
   if (!default_icon_) {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
   }
   // Ensure that the string has the appropriate direction markers (see comment
   // in TaskManagerTabContentsResource::GetTitle()).
   base::i18n::AdjustStringForLocaleDirection(&application_name_);
 }
 
-TaskManagerBackgroundContentsResource::~TaskManagerBackgroundContentsResource(
-    ) {
+BackgroundContentsResource::~BackgroundContentsResource() {
 }
 
-string16 TaskManagerBackgroundContentsResource::GetTitle() const {
+string16 BackgroundContentsResource::GetTitle() const {
   string16 title = application_name_;
 
   if (title.empty()) {
     // No title (can't locate the parent app for some reason) so just display
     // the URL (properly forced to be LTR).
     title = base::i18n::GetDisplayStringInLTRDirectionality(
         UTF8ToUTF16(background_contents_->GetURL().spec()));
   }
   return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_BACKGROUND_PREFIX, title);
 }
 
-string16 TaskManagerBackgroundContentsResource::GetProfileName() const {
+string16 BackgroundContentsResource::GetProfileName() const {
   return string16();
 }
 
-gfx::ImageSkia TaskManagerBackgroundContentsResource::GetIcon() const {
+gfx::ImageSkia BackgroundContentsResource::GetIcon() const {
   return *default_icon_;
 }
 
-bool TaskManagerBackgroundContentsResource::IsBackground() const {
+bool BackgroundContentsResource::IsBackground() const {
   return true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// TaskManagerBackgroundContentsResourceProvider class
+// BackgroundContentsResourceProvider class
 ////////////////////////////////////////////////////////////////////////////////
 
-TaskManagerBackgroundContentsResourceProvider::
-    TaskManagerBackgroundContentsResourceProvider(TaskManager* task_manager)
+BackgroundContentsResourceProvider::
+    BackgroundContentsResourceProvider(TaskManager* task_manager)
     : updating_(false),
       task_manager_(task_manager) {
 }
 
-TaskManagerBackgroundContentsResourceProvider::
-    ~TaskManagerBackgroundContentsResourceProvider() {
+BackgroundContentsResourceProvider::~BackgroundContentsResourceProvider() {
 }
 
-TaskManager::Resource*
-TaskManagerBackgroundContentsResourceProvider::GetResource(
+TaskManager::Resource* BackgroundContentsResourceProvider::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 (Resources::iterator i = resources_.begin(); i != resources_.end(); i++) {
     WebContents* tab = i->first->web_contents();
     if (tab->GetRenderProcessHost()->GetID() == render_process_host_id
         && tab->GetRenderViewHost()->GetRoutingID() == routing_id) {
       return i->second;
     }
   }
 
   // Can happen if the page went away while a network request was being
   // performed.
   return NULL;
 }
 
-void TaskManagerBackgroundContentsResourceProvider::StartUpdating() {
+void BackgroundContentsResourceProvider::StartUpdating() {
   DCHECK(!updating_);
   updating_ = true;
 
   // Add all the existing BackgroundContents from every profile, including
   // incognito profiles.
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   std::vector<Profile*> profiles(profile_manager->GetLoadedProfiles());
   size_t num_default_profiles = profiles.size();
   for (size_t i = 0; i < num_default_profiles; ++i) {
     if (profiles[i]->HasOffTheRecordProfile()) {
@@ skipping 24 matching lines @@
 
   // Then we register for notifications to get new BackgroundContents.
   registrar_.Add(this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_OPENED,
                  content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_NAVIGATED,
                  content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_DELETED,
                  content::NotificationService::AllBrowserContextsAndSources());
 }
 
-void TaskManagerBackgroundContentsResourceProvider::StopUpdating() {
+void BackgroundContentsResourceProvider::StopUpdating() {
   DCHECK(updating_);
   updating_ = false;
 
   // Unregister for notifications
   registrar_.Remove(
       this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_OPENED,
       content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Remove(
       this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_NAVIGATED,
       content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Remove(
       this, chrome::NOTIFICATION_BACKGROUND_CONTENTS_DELETED,
       content::NotificationService::AllBrowserContextsAndSources());
 
   // Delete all the resources.
   STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end());
 
   resources_.clear();
 }
 
-void TaskManagerBackgroundContentsResourceProvider::AddToTaskManager(
+void BackgroundContentsResourceProvider::AddToTaskManager(
     BackgroundContents* background_contents,
     const string16& application_name) {
-  TaskManagerBackgroundContentsResource* resource =
-      new TaskManagerBackgroundContentsResource(background_contents,
+  BackgroundContentsResource* resource =
+      new BackgroundContentsResource(background_contents,
                                                 application_name);
   resources_[background_contents] = resource;
   task_manager_->AddResource(resource);
 }
 
-void TaskManagerBackgroundContentsResourceProvider::Add(
+void BackgroundContentsResourceProvider::Add(
     BackgroundContents* contents, const string16& application_name) {
   if (!updating_)
     return;
 
   // TODO(atwilson): http://crbug.com/116893
   // We should check that the process handle is valid here, but it won't
   // be in the case of NOTIFICATION_BACKGROUND_CONTENTS_OPENED.
 
   // Should never add the same BackgroundContents twice.
   DCHECK(resources_.find(contents) == resources_.end());
   AddToTaskManager(contents, application_name);
 }
 
-void TaskManagerBackgroundContentsResourceProvider::Remove(
-    BackgroundContents* contents) {
+void BackgroundContentsResourceProvider::Remove(BackgroundContents* contents) {
   if (!updating_)
     return;
   Resources::iterator iter = resources_.find(contents);
   DCHECK(iter != resources_.end());
 
   // Remove the resource from the Task Manager.
-  TaskManagerBackgroundContentsResource* resource = iter->second;
+  BackgroundContentsResource* resource = iter->second;
   task_manager_->RemoveResource(resource);
   // And from the provider.
   resources_.erase(iter);
   // Finally, delete the resource.
   delete resource;
 }
 
-void TaskManagerBackgroundContentsResourceProvider::Observe(
+void BackgroundContentsResourceProvider::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_BACKGROUND_CONTENTS_OPENED: {
       // Get the name from the parent application. If no parent application is
       // found, just pass an empty string - BackgroundContentsResource::GetTitle
       // will display the URL instead in this case. This should never happen
       // except in rare cases when an extension is being unloaded or chrome is
       // exiting while the task manager is displayed.
@@ skipping 33 matching lines @@
       Remove(content::Details<BackgroundContents>(details).ptr());
       // Closing a BackgroundContents needs to force the display to refresh
       // (applications may now be considered "foreground" that weren't before).
       task_manager_->ModelChanged();
       break;
     default:
       NOTREACHED() << "Unexpected notification.";
       return;
   }
 }
+
+}  // namespace task_manager