src/chrome/browser/chrome_quota_permission_context.cc

   1 // Copyright (c) 2012 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/chrome_quota_permission_context.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
  13 #include "chrome/browser/infobars/infobar_service.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/tab_contents/tab_util.h"
  16 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
  17 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
  18 #include "chrome/common/pref_names.h"
  19 #include "components/infobars/core/infobar.h"
  20 #include "content/public/browser/browser_thread.h"
  21 #include "content/public/browser/navigation_details.h"
  22 #include "content/public/browser/web_contents.h"
  23 #include "grit/generated_resources.h"
  24 #include "grit/locale_settings.h"
  25 #include "grit/theme_resources.h"
  26 #include "net/base/net_util.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28 #include "url/gurl.h"
  29 #include "webkit/common/quota/quota_types.h"
  30
  31 namespace {
  32
  33 // If the site requested larger quota than this threshold, show a different
  34 // message to the user.
  35 const int64 kRequestLargeQuotaThreshold = 5 * 1024 * 1024;
  36
  37 // QuotaPermissionRequest ---------------------------------------------
  38
  39 class QuotaPermissionRequest : public PermissionBubbleRequest {
  40  public:
  41   QuotaPermissionRequest(
  42       ChromeQuotaPermissionContext* context,
  43       const GURL& origin_url,
  44       int64 requested_quota,
  45       bool user_gesture,
  46       const std::string& display_languages,
  47       const content::QuotaPermissionContext::PermissionCallback& callback);
  48
  49   virtual ~QuotaPermissionRequest();
  50
  51   // PermissionBubbleRequest:
  52   virtual int GetIconID() const OVERRIDE;
  53   virtual base::string16 GetMessageText() const OVERRIDE;
  54   virtual base::string16 GetMessageTextFragment() const OVERRIDE;
  55   virtual bool HasUserGesture() const OVERRIDE;
  56   virtual GURL GetRequestingHostname() const OVERRIDE;
  57   virtual void PermissionGranted() OVERRIDE;
  58   virtual void PermissionDenied() OVERRIDE;
  59   virtual void Cancelled() OVERRIDE;
  60   virtual void RequestFinished() OVERRIDE;
  61
  62  private:
  63   scoped_refptr<ChromeQuotaPermissionContext> context_;
  64   GURL origin_url_;
  65   std::string display_languages_;
  66   int64 requested_quota_;
  67   bool user_gesture_;
  68   content::QuotaPermissionContext::PermissionCallback callback_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(QuotaPermissionRequest);
  71 };
  72
  73 QuotaPermissionRequest::QuotaPermissionRequest(
  74     ChromeQuotaPermissionContext* context,
  75     const GURL& origin_url,
  76     int64 requested_quota,
  77     bool user_gesture,
  78     const std::string& display_languages,
  79     const content::QuotaPermissionContext::PermissionCallback& callback)
  80     : context_(context),
  81       origin_url_(origin_url),
  82       display_languages_(display_languages),
  83       requested_quota_(requested_quota),
  84       user_gesture_(user_gesture),
  85       callback_(callback) {}
  86
  87 QuotaPermissionRequest::~QuotaPermissionRequest() {}
  88
  89 int QuotaPermissionRequest::GetIconID() const {
  90   // TODO(gbillock): get the proper image here
  91   return IDR_INFOBAR_WARNING;
  92 }
  93
  94 base::string16 QuotaPermissionRequest::GetMessageText() const {
  95   return l10n_util::GetStringFUTF16(
  96       (requested_quota_ > kRequestLargeQuotaThreshold ?
  97           IDS_REQUEST_LARGE_QUOTA_INFOBAR_QUESTION :
  98           IDS_REQUEST_QUOTA_INFOBAR_QUESTION),
  99       net::FormatUrl(origin_url_, display_languages_));
 100 }
 101
 102 base::string16 QuotaPermissionRequest::GetMessageTextFragment() const {
 103   return l10n_util::GetStringUTF16(IDS_REQUEST_QUOTA_PERMISSION_FRAGMENT);
 104 }
 105
 106 bool QuotaPermissionRequest::HasUserGesture() const {
 107   return user_gesture_;
 108 }
 109
 110 GURL QuotaPermissionRequest::GetRequestingHostname() const {
 111   return origin_url_;
 112 }
 113
 114 void QuotaPermissionRequest::PermissionGranted() {
 115   context_->DispatchCallbackOnIOThread(
 116       callback_,
 117       content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_ALLOW);
 118   callback_ = content::QuotaPermissionContext::PermissionCallback();
 119 }
 120
 121 void QuotaPermissionRequest::PermissionDenied() {
 122   context_->DispatchCallbackOnIOThread(
 123       callback_,
 124       content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_DISALLOW);
 125   callback_ = content::QuotaPermissionContext::PermissionCallback();
 126 }
 127
 128 void QuotaPermissionRequest::Cancelled() {
 129 }
 130
 131 void QuotaPermissionRequest::RequestFinished() {
 132   if (!callback_.is_null()) {
 133     context_->DispatchCallbackOnIOThread(
 134         callback_,
 135         content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
 136   }
 137
 138   delete this;
 139 }
 140
 141
 142 // RequestQuotaInfoBarDelegate ------------------------------------------------
 143
 144 class RequestQuotaInfoBarDelegate : public ConfirmInfoBarDelegate {
 145  public:
 146   // Creates a request quota infobar and delegate and adds the infobar to
 147   // |infobar_service|.
 148   static void Create(
 149       InfoBarService* infobar_service,
 150       ChromeQuotaPermissionContext* context,
 151       const GURL& origin_url,
 152       int64 requested_quota,
 153       const std::string& display_languages,
 154       const content::QuotaPermissionContext::PermissionCallback& callback);
 155
 156  private:
 157   RequestQuotaInfoBarDelegate(
 158       ChromeQuotaPermissionContext* context,
 159       const GURL& origin_url,
 160       int64 requested_quota,
 161       const std::string& display_languages,
 162       const content::QuotaPermissionContext::PermissionCallback& callback);
 163   virtual ~RequestQuotaInfoBarDelegate();
 164
 165   // ConfirmInfoBarDelegate:
 166   virtual bool ShouldExpireInternal(
 167       const NavigationDetails& details) const OVERRIDE;
 168   virtual base::string16 GetMessageText() const OVERRIDE;
 169   virtual bool Accept() OVERRIDE;
 170   virtual bool Cancel() OVERRIDE;
 171
 172   scoped_refptr<ChromeQuotaPermissionContext> context_;
 173   GURL origin_url_;
 174   std::string display_languages_;
 175   int64 requested_quota_;
 176   content::QuotaPermissionContext::PermissionCallback callback_;
 177
 178   DISALLOW_COPY_AND_ASSIGN(RequestQuotaInfoBarDelegate);
 179 };
 180
 181 // static
 182 void RequestQuotaInfoBarDelegate::Create(
 183     InfoBarService* infobar_service,
 184     ChromeQuotaPermissionContext* context,
 185     const GURL& origin_url,
 186     int64 requested_quota,
 187     const std::string& display_languages,
 188     const content::QuotaPermissionContext::PermissionCallback& callback) {
 189   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
 190       scoped_ptr<ConfirmInfoBarDelegate>(new RequestQuotaInfoBarDelegate(
 191           context, origin_url, requested_quota, display_languages, callback))));
 192 }
 193
 194 RequestQuotaInfoBarDelegate::RequestQuotaInfoBarDelegate(
 195     ChromeQuotaPermissionContext* context,
 196     const GURL& origin_url,
 197     int64 requested_quota,
 198     const std::string& display_languages,
 199     const content::QuotaPermissionContext::PermissionCallback& callback)
 200     : ConfirmInfoBarDelegate(),
 201       context_(context),
 202       origin_url_(origin_url),
 203       display_languages_(display_languages),
 204       requested_quota_(requested_quota),
 205       callback_(callback) {
 206 }
 207
 208 RequestQuotaInfoBarDelegate::~RequestQuotaInfoBarDelegate() {
 209   if (!callback_.is_null()) {
 210     context_->DispatchCallbackOnIOThread(
 211         callback_,
 212         content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
 213   }
 214 }
 215
 216 bool RequestQuotaInfoBarDelegate::ShouldExpireInternal(
 217     const NavigationDetails& details) const {
 218   return false;
 219 }
 220
 221 base::string16 RequestQuotaInfoBarDelegate::GetMessageText() const {
 222   // If the site requested larger quota than this threshold, show a different
 223   // message to the user.
 224   return l10n_util::GetStringFUTF16(
 225       (requested_quota_ > kRequestLargeQuotaThreshold ?
 226           IDS_REQUEST_LARGE_QUOTA_INFOBAR_QUESTION :
 227           IDS_REQUEST_QUOTA_INFOBAR_QUESTION),
 228       net::FormatUrl(origin_url_, display_languages_));
 229 }
 230
 231 bool RequestQuotaInfoBarDelegate::Accept() {
 232   context_->DispatchCallbackOnIOThread(
 233       callback_,
 234       content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_ALLOW);
 235   return true;
 236 }
 237
 238 bool RequestQuotaInfoBarDelegate::Cancel() {
 239   context_->DispatchCallbackOnIOThread(
 240       callback_,
 241       content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_CANCELLED);
 242   return true;
 243 }
 244
 245 }  // namespace
 246
 247
 248 // ChromeQuotaPermissionContext -----------------------------------------------
 249
 250 ChromeQuotaPermissionContext::ChromeQuotaPermissionContext() {
 251 }
 252
 253 void ChromeQuotaPermissionContext::RequestQuotaPermission(
 254     const content::StorageQuotaParams& params,
 255     int render_process_id,
 256     const PermissionCallback& callback) {
 257   if (params.storage_type != quota::kStorageTypePersistent) {
 258     // For now we only support requesting quota with this interface
 259     // for Persistent storage type.
 260     callback.Run(QUOTA_PERMISSION_RESPONSE_DISALLOW);
 261     return;
 262   }
 263
 264   if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
 265     content::BrowserThread::PostTask(
 266         content::BrowserThread::UI, FROM_HERE,
 267         base::Bind(&ChromeQuotaPermissionContext::RequestQuotaPermission, this,
 268                    params, render_process_id, callback));
 269     return;
 270   }
 271
 272   content::WebContents* web_contents =
 273       tab_util::GetWebContentsByID(render_process_id,
 274                                    params.render_view_id);
 275   if (!web_contents) {
 276     // The tab may have gone away or the request may not be from a tab.
 277     LOG(WARNING) << "Attempt to request quota tabless renderer: "
 278                  << render_process_id << "," << params.render_view_id;
 279     DispatchCallbackOnIOThread(callback, QUOTA_PERMISSION_RESPONSE_CANCELLED);
 280     return;
 281   }
 282
 283   if (PermissionBubbleManager::Enabled()) {
 284     PermissionBubbleManager* bubble_manager =
 285         PermissionBubbleManager::FromWebContents(web_contents);
 286     bubble_manager->AddRequest(new QuotaPermissionRequest(this,
 287             params.origin_url, params.requested_size, params.user_gesture,
 288             Profile::FromBrowserContext(web_contents->GetBrowserContext())->
 289                 GetPrefs()->GetString(prefs::kAcceptLanguages),
 290             callback));
 291     return;
 292   }
 293
 294   InfoBarService* infobar_service =
 295       InfoBarService::FromWebContents(web_contents);
 296   if (!infobar_service) {
 297     // The tab has no infobar service.
 298     LOG(WARNING) << "Attempt to request quota from a background page: "
 299                  << render_process_id << "," << params.render_view_id;
 300     DispatchCallbackOnIOThread(callback, QUOTA_PERMISSION_RESPONSE_CANCELLED);
 301     return;
 302   }
 303   RequestQuotaInfoBarDelegate::Create(
 304       infobar_service, this, params.origin_url, params.requested_size,
 305       Profile::FromBrowserContext(web_contents->GetBrowserContext())->
 306           GetPrefs()->GetString(prefs::kAcceptLanguages),
 307       callback);
 308 }
 309
 310 void ChromeQuotaPermissionContext::DispatchCallbackOnIOThread(
 311     const PermissionCallback& callback,
 312     QuotaPermissionResponse response) {
 313   DCHECK_EQ(false, callback.is_null());
 314
 315   if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::IO)) {
 316     content::BrowserThread::PostTask(
 317         content::BrowserThread::IO, FROM_HERE,
 318         base::Bind(&ChromeQuotaPermissionContext::DispatchCallbackOnIOThread,
 319                    this, callback, response));
 320     return;
 321   }
 322
 323   callback.Run(response);
 324 }
 325
 326 ChromeQuotaPermissionContext::~ChromeQuotaPermissionContext() {}