chrome/browser/task_management/providers/web_contents/tab_contents_task.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/task_management/providers/web_contents/tab_contents_task.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "content/public/browser/web_contents.h"
  10 #include "extensions/browser/extension_registry.h"
  11 #include "extensions/browser/process_map.h"
  12 #include "extensions/common/constants.h"
  13
  14 namespace task_management {
  15
  16 namespace {
  17
  18 bool HostsExtension(content::WebContents* web_contents) {
  19   DCHECK(web_contents);
  20   return web_contents->GetURL().SchemeIs(extensions::kExtensionScheme);
  21 }
  22
  23 }  // namespace
  24
  25
  26 TabContentsTask::TabContentsTask(content::WebContents* web_contents)
  27     : RendererTask(base::string16(),
  28                    RendererTask::GetFaviconFromWebContents(web_contents),
  29                    web_contents,
  30                    web_contents->GetRenderProcessHost()) {
  31   set_title(GetCurrentTitle());
  32 }
  33
  34 TabContentsTask::~TabContentsTask() {
  35 }
  36
  37 void TabContentsTask::OnTitleChanged(content::NavigationEntry* entry) {
  38   set_title(GetCurrentTitle());
  39 }
  40
  41 void TabContentsTask::OnFaviconChanged() {
  42   const gfx::ImageSkia* icon =
  43       RendererTask::GetFaviconFromWebContents(web_contents());
  44   set_icon(icon ? *icon : gfx::ImageSkia());
  45 }
  46
  47 Task::Type TabContentsTask::GetType() const {
  48   // A tab that loads an extension URL is considered to be an extension even
  49   // though it's tracked as a TabContentsTask.
  50   return HostsExtension(web_contents()) ? Task::EXTENSION : Task::RENDERER;
  51 }
  52
  53 base::string16 TabContentsTask::GetCurrentTitle() const {
  54   // Check if the URL is an app and if the tab is hoisting an extension.
  55   Profile* profile =
  56       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
  57   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
  58   extensions::ExtensionRegistry* extension_registry =
  59       extensions::ExtensionRegistry::Get(profile);
  60   GURL url = web_contents()->GetURL();
  61   base::string16 url_spec = base::UTF8ToUTF16(url.spec());
  62
  63   bool is_app = process_map->Contains(process_id()) &&
  64       extension_registry->enabled_extensions().GetAppByURL(url) != nullptr;
  65   bool is_extension = HostsExtension(web_contents());
  66   bool is_incognito = profile->IsOffTheRecord();
  67
  68   base::string16 tab_title =
  69       RendererTask::GetTitleFromWebContents(web_contents());
  70
  71   // Fall back to the URL if the title is empty.
  72   return PrefixRendererTitle(tab_title.empty() ? url_spec : tab_title,
  73                              is_app,
  74                              is_extension,
  75                              is_incognito,
  76                              false);  // is_background.
  77 }
  78
  79 }  // namespace task_management