chrome/browser/ui/tab_contents/core_tab_helper.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/ui/tab_contents/core_tab_helper.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/command_line.h"
  11 #include "base/metrics/histogram.h"
  12 #include "base/profiler/scoped_tracker.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/search_engines/template_url_service_factory.h"
  16 #include "chrome/browser/ui/browser.h"
  17 #include "chrome/browser/ui/browser_command_controller.h"
  18 #include "chrome/browser/ui/browser_finder.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "chrome/common/render_messages.h"
  21 #include "chrome/grit/generated_resources.h"
  22 #include "components/guest_view/browser/guest_view_manager.h"
  23 #include "components/search_engines/template_url.h"
  24 #include "components/search_engines/template_url_service.h"
  25 #include "components/web_cache/browser/web_cache_manager.h"
  26 #include "content/public/browser/render_process_host.h"
  27 #include "content/public/browser/render_view_host.h"
  28 #include "content/public/browser/web_contents.h"
  29 #include "net/base/load_states.h"
  30 #include "net/http/http_request_headers.h"
  31 #include "ui/base/l10n/l10n_util.h"
  32
  33 using content::WebContents;
  34
  35 DEFINE_WEB_CONTENTS_USER_DATA_KEY(CoreTabHelper);
  36
  37 CoreTabHelper::CoreTabHelper(WebContents* web_contents)
  38     : content::WebContentsObserver(web_contents),
  39       delegate_(NULL),
  40       content_restrictions_(0) {
  41 }
  42
  43 CoreTabHelper::~CoreTabHelper() {
  44 }
  45
  46 base::string16 CoreTabHelper::GetDefaultTitle() {
  47   return l10n_util::GetStringUTF16(IDS_DEFAULT_TAB_TITLE);
  48 }
  49
  50 base::string16 CoreTabHelper::GetStatusText() const {
  51   base::string16 status_text;
  52   GetStatusTextForWebContents(&status_text, web_contents());
  53   return status_text;
  54 }
  55
  56 void CoreTabHelper::OnCloseStarted() {
  57   if (close_start_time_.is_null())
  58     close_start_time_ = base::TimeTicks::Now();
  59 }
  60
  61 void CoreTabHelper::OnCloseCanceled() {
  62   close_start_time_ = base::TimeTicks();
  63   before_unload_end_time_ = base::TimeTicks();
  64   unload_detached_start_time_ = base::TimeTicks();
  65 }
  66
  67 void CoreTabHelper::OnUnloadStarted() {
  68   before_unload_end_time_ = base::TimeTicks::Now();
  69 }
  70
  71 void CoreTabHelper::OnUnloadDetachedStarted() {
  72   if (unload_detached_start_time_.is_null())
  73     unload_detached_start_time_ = base::TimeTicks::Now();
  74 }
  75
  76 void CoreTabHelper::UpdateContentRestrictions(int content_restrictions) {
  77   content_restrictions_ = content_restrictions;
  78 #if !defined(OS_ANDROID)
  79   Browser* browser = chrome::FindBrowserWithWebContents(web_contents());
  80   if (!browser)
  81     return;
  82
  83   browser->command_controller()->ContentRestrictionsChanged();
  84 #endif
  85 }
  86
  87 // static
  88 bool CoreTabHelper::GetStatusTextForWebContents(
  89     base::string16* status_text, content::WebContents* source) {
  90   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185 is
  91   // fixed.
  92   tracked_objects::ScopedTracker tracking_profile1(
  93       FROM_HERE_WITH_EXPLICIT_FUNCTION(
  94           "467185 CoreTabHelper::GetStatusTextForWebContents1"));
  95   auto guest_manager = guest_view::GuestViewManager::FromBrowserContext(
  96       source->GetBrowserContext());
  97   if (!source->IsLoading() ||
  98       source->GetLoadState().state == net::LOAD_STATE_IDLE) {
  99     // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185
 100     // is fixed.
 101     tracked_objects::ScopedTracker tracking_profile2(
 102         FROM_HERE_WITH_EXPLICIT_FUNCTION(
 103             "467185 CoreTabHelper::GetStatusTextForWebContents2"));
 104     if (!guest_manager)
 105       return false;
 106     return guest_manager->ForEachGuest(
 107         source, base::Bind(&CoreTabHelper::GetStatusTextForWebContents,
 108                            status_text));
 109   }
 110
 111   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185
 112   // is fixed.
 113   tracked_objects::ScopedTracker tracking_profile3(
 114       FROM_HERE_WITH_EXPLICIT_FUNCTION(
 115           "467185 CoreTabHelper::GetStatusTextForWebContents3"));
 116
 117   switch (source->GetLoadState().state) {
 118     case net::LOAD_STATE_WAITING_FOR_STALLED_SOCKET_POOL:
 119     case net::LOAD_STATE_WAITING_FOR_AVAILABLE_SOCKET:
 120       *status_text =
 121           l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_SOCKET_SLOT);
 122       return true;
 123     case net::LOAD_STATE_WAITING_FOR_DELEGATE:
 124       if (!source->GetLoadState().param.empty()) {
 125         *status_text = l10n_util::GetStringFUTF16(
 126             IDS_LOAD_STATE_WAITING_FOR_DELEGATE,
 127             source->GetLoadState().param);
 128         return true;
 129       } else {
 130         *status_text = l10n_util::GetStringUTF16(
 131             IDS_LOAD_STATE_WAITING_FOR_DELEGATE_GENERIC);
 132         return true;
 133       }
 134     case net::LOAD_STATE_WAITING_FOR_CACHE:
 135       *status_text =
 136           l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_CACHE);
 137       return true;
 138     case net::LOAD_STATE_WAITING_FOR_APPCACHE:
 139       *status_text =
 140           l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_APPCACHE);
 141       return true;
 142     case net::LOAD_STATE_ESTABLISHING_PROXY_TUNNEL:
 143       *status_text =
 144           l10n_util::GetStringUTF16(IDS_LOAD_STATE_ESTABLISHING_PROXY_TUNNEL);
 145       return true;
 146     case net::LOAD_STATE_DOWNLOADING_PROXY_SCRIPT:
 147       *status_text =
 148           l10n_util::GetStringUTF16(IDS_LOAD_STATE_DOWNLOADING_PROXY_SCRIPT);
 149       return true;
 150     case net::LOAD_STATE_RESOLVING_PROXY_FOR_URL:
 151       *status_text =
 152           l10n_util::GetStringUTF16(IDS_LOAD_STATE_RESOLVING_PROXY_FOR_URL);
 153       return true;
 154     case net::LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT:
 155       *status_text = l10n_util::GetStringUTF16(
 156           IDS_LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT);
 157       return true;
 158     case net::LOAD_STATE_RESOLVING_HOST:
 159       *status_text = l10n_util::GetStringUTF16(IDS_LOAD_STATE_RESOLVING_HOST);
 160       return true;
 161     case net::LOAD_STATE_CONNECTING:
 162       *status_text = l10n_util::GetStringUTF16(IDS_LOAD_STATE_CONNECTING);
 163       return true;
 164     case net::LOAD_STATE_SSL_HANDSHAKE:
 165       *status_text = l10n_util::GetStringUTF16(IDS_LOAD_STATE_SSL_HANDSHAKE);
 166       return true;
 167     case net::LOAD_STATE_SENDING_REQUEST:
 168       if (source->GetUploadSize()) {
 169         *status_text = l10n_util::GetStringFUTF16Int(
 170             IDS_LOAD_STATE_SENDING_REQUEST_WITH_PROGRESS,
 171             static_cast<int>((100 * source->GetUploadPosition()) /
 172                 source->GetUploadSize()));
 173         return true;
 174       } else {
 175         *status_text =
 176             l10n_util::GetStringUTF16(IDS_LOAD_STATE_SENDING_REQUEST);
 177         return true;
 178       }
 179     case net::LOAD_STATE_WAITING_FOR_RESPONSE:
 180       *status_text =
 181           l10n_util::GetStringFUTF16(IDS_LOAD_STATE_WAITING_FOR_RESPONSE,
 182                                      source->GetLoadStateHost());
 183       return true;
 184     // Ignore net::LOAD_STATE_READING_RESPONSE and net::LOAD_STATE_IDLE
 185     case net::LOAD_STATE_IDLE:
 186     case net::LOAD_STATE_READING_RESPONSE:
 187       break;
 188   }
 189   if (!guest_manager)
 190     return false;
 191
 192   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185 is
 193   // fixed.
 194   tracked_objects::ScopedTracker tracking_profile4(
 195       FROM_HERE_WITH_EXPLICIT_FUNCTION(
 196           "467185 CoreTabHelper::GetStatusTextForWebContents4"));
 197   return guest_manager->ForEachGuest(
 198       source, base::Bind(&CoreTabHelper::GetStatusTextForWebContents,
 199                          status_text));
 200 }
 201
 202 ////////////////////////////////////////////////////////////////////////////////
 203 // WebContentsObserver overrides
 204
 205 void CoreTabHelper::DidStartLoading() {
 206   UpdateContentRestrictions(0);
 207 }
 208
 209 void CoreTabHelper::WasShown() {
 210   web_cache::WebCacheManager::GetInstance()->ObserveActivity(
 211       web_contents()->GetRenderProcessHost()->GetID());
 212 }
 213
 214 void CoreTabHelper::WebContentsDestroyed() {
 215   // OnCloseStarted isn't called in unit tests.
 216   if (!close_start_time_.is_null()) {
 217     bool fast_tab_close_enabled =
 218         base::CommandLine::ForCurrentProcess()->HasSwitch(
 219             switches::kEnableFastUnload);
 220
 221     if (fast_tab_close_enabled) {
 222       base::TimeTicks now = base::TimeTicks::Now();
 223       base::TimeDelta close_time = now - close_start_time_;
 224       UMA_HISTOGRAM_TIMES("Tab.Close", close_time);
 225
 226       base::TimeTicks unload_start_time = close_start_time_;
 227       base::TimeTicks unload_end_time = now;
 228       if (!before_unload_end_time_.is_null())
 229         unload_start_time = before_unload_end_time_;
 230       if (!unload_detached_start_time_.is_null())
 231         unload_end_time = unload_detached_start_time_;
 232       base::TimeDelta unload_time = unload_end_time - unload_start_time;
 233       UMA_HISTOGRAM_TIMES("Tab.Close.UnloadTime", unload_time);
 234     } else {
 235       base::TimeTicks now = base::TimeTicks::Now();
 236       base::TimeTicks unload_start_time = close_start_time_;
 237       if (!before_unload_end_time_.is_null())
 238         unload_start_time = before_unload_end_time_;
 239       UMA_HISTOGRAM_TIMES("Tab.Close", now - close_start_time_);
 240       UMA_HISTOGRAM_TIMES("Tab.Close.UnloadTime", now - unload_start_time);
 241     }
 242   }
 243 }
 244
 245 void CoreTabHelper::BeforeUnloadFired(const base::TimeTicks& proceed_time) {
 246   before_unload_end_time_ = proceed_time;
 247 }
 248
 249 void CoreTabHelper::BeforeUnloadDialogCancelled() {
 250   OnCloseCanceled();
 251 }
 252
 253 bool CoreTabHelper::OnMessageReceived(
 254     const IPC::Message& message,
 255     content::RenderFrameHost* render_frame_host) {
 256   bool handled = true;
 257   IPC_BEGIN_MESSAGE_MAP(CoreTabHelper, message)
 258     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RequestThumbnailForContextNode_ACK,
 259                         OnRequestThumbnailForContextNodeACK)
 260     IPC_MESSAGE_UNHANDLED(handled = false)
 261   IPC_END_MESSAGE_MAP()
 262   return handled;
 263 }
 264
 265 // Handles the image thumbnail for the context node, composes a image search
 266 // request based on the received thumbnail and opens the request in a new tab.
 267 void CoreTabHelper::OnRequestThumbnailForContextNodeACK(
 268     const std::string& thumbnail_data,
 269     const gfx::Size& original_size) {
 270   if (thumbnail_data.empty())
 271     return;
 272
 273   Profile* profile =
 274       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
 275
 276   TemplateURLService* template_url_service =
 277       TemplateURLServiceFactory::GetForProfile(profile);
 278   if (!template_url_service)
 279     return;
 280   const TemplateURL* const default_provider =
 281       template_url_service->GetDefaultSearchProvider();
 282   if (!default_provider)
 283     return;
 284
 285   TemplateURLRef::SearchTermsArgs search_args =
 286       TemplateURLRef::SearchTermsArgs(base::string16());
 287   search_args.image_thumbnail_content = thumbnail_data;
 288   // TODO(jnd): Add a method in WebContentsViewDelegate to get the image URL
 289   // from the ContextMenuParams which creates current context menu.
 290   search_args.image_url = GURL();
 291   search_args.image_original_size = original_size;
 292   TemplateURLRef::PostContent post_content;
 293   GURL result(default_provider->image_url_ref().ReplaceSearchTerms(
 294       search_args, template_url_service->search_terms_data(), &post_content));
 295   if (!result.is_valid())
 296     return;
 297
 298   content::OpenURLParams open_url_params(
 299       result, content::Referrer(), NEW_FOREGROUND_TAB,
 300       ui::PAGE_TRANSITION_LINK, false);
 301   const std::string& content_type = post_content.first;
 302   std::string* post_data = &post_content.second;
 303   if (!post_data->empty()) {
 304     DCHECK(!content_type.empty());
 305     open_url_params.uses_post = true;
 306     open_url_params.browser_initiated_post_data =
 307         base::RefCountedString::TakeString(post_data);
 308     open_url_params.extra_headers += base::StringPrintf(
 309         "%s: %s\r\n", net::HttpRequestHeaders::kContentType,
 310         content_type.c_str());
 311   }
 312   web_contents()->OpenURL(open_url_params);
 313 }