guest_information.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
1// Copyright 2014 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_manager/guest_information.h"
6
7#include "base/strings/string16.h"
8#include "chrome/browser/chrome_notification_types.h"
9#include "chrome/browser/favicon/favicon_tab_helper.h"
10#include "chrome/browser/profiles/profile.h"
11#include "chrome/browser/task_manager/renderer_resource.h"
12#include "chrome/browser/task_manager/resource_provider.h"
13#include "chrome/browser/task_manager/task_manager.h"
14#include "chrome/browser/task_manager/task_manager_util.h"
15#include "chrome/grit/generated_resources.h"
16#include "content/public/browser/notification_service.h"
17#include "content/public/browser/render_frame_host.h"
18#include "content/public/browser/render_process_host.h"
19#include "content/public/browser/render_view_host.h"
20#include "content/public/browser/render_widget_host_iterator.h"
21#include "content/public/browser/site_instance.h"
22#include "content/public/browser/web_contents.h"
23#include "ui/base/l10n/l10n_util.h"
24#include "ui/gfx/image/image.h"
25#include "ui/gfx/image/image_skia.h"
26
27using content::RenderProcessHost;
28using content::RenderViewHost;
29using content::RenderWidgetHost;
30using content::WebContents;
31using extensions::Extension;
32
33namespace task_manager {
34
35class GuestResource : public RendererResource {
36 public:
37  explicit GuestResource(content::RenderViewHost* render_view_host);
38  virtual ~GuestResource();
39
40  // Resource methods:
41  virtual Type GetType() const OVERRIDE;
42  virtual base::string16 GetTitle() const OVERRIDE;
43  virtual gfx::ImageSkia GetIcon() const OVERRIDE;
44  virtual content::WebContents* GetWebContents() const OVERRIDE;
45
46 private:
47  DISALLOW_COPY_AND_ASSIGN(GuestResource);
48};
49
50GuestResource::GuestResource(RenderViewHost* render_view_host)
51    : RendererResource(
52          render_view_host->GetSiteInstance()->GetProcess()->GetHandle(),
53          render_view_host) {
54}
55
56GuestResource::~GuestResource() {
57}
58
59Resource::Type GuestResource::GetType() const {
60  return GUEST;
61}
62
63base::string16 GuestResource::GetTitle() const {
64  WebContents* web_contents = GetWebContents();
65  const int message_id = IDS_TASK_MANAGER_WEBVIEW_TAG_PREFIX;
66  if (web_contents) {
67    base::string16 title = util::GetTitleFromWebContents(web_contents);
68    return l10n_util::GetStringFUTF16(message_id, title);
69  }
70  return l10n_util::GetStringFUTF16(message_id, base::string16());
71}
72
73gfx::ImageSkia GuestResource::GetIcon() const {
74  WebContents* web_contents = GetWebContents();
75  if (web_contents && FaviconTabHelper::FromWebContents(web_contents)) {
76    return FaviconTabHelper::FromWebContents(web_contents)->
77        GetFavicon().AsImageSkia();
78  }
79  return gfx::ImageSkia();
80}
81
82WebContents* GuestResource::GetWebContents() const {
83  return WebContents::FromRenderViewHost(render_view_host());
84}
85
86////////////////////////////////////////////////////////////////////////////////
87// GuestInformation class
88////////////////////////////////////////////////////////////////////////////////
89
90GuestInformation::GuestInformation() {}
91
92GuestInformation::~GuestInformation() {}
93
94bool GuestInformation::CheckOwnership(WebContents* web_contents) {
95  // Guest WebContentses are created and owned internally by the content layer.
96  return web_contents->IsSubframe();
97}
98
99void GuestInformation::GetAll(const NewWebContentsCallback& callback) {
100  scoped_ptr<content::RenderWidgetHostIterator> widgets(
101      content::RenderWidgetHost::GetRenderWidgetHosts());
102  while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
103    if (widget->IsRenderView()) {
104      content::RenderViewHost* rvh = content::RenderViewHost::From(widget);
105      WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
106      if (web_contents && web_contents->IsSubframe())
107        callback.Run(web_contents);
108    }
109  }
110}
111
112scoped_ptr<RendererResource> GuestInformation::MakeResource(
113    WebContents* web_contents) {
114  return scoped_ptr<RendererResource>(
115      new GuestResource(web_contents->GetRenderViewHost()));
116}
117
118}  // namespace task_manager
119