| // Copyright (c) 2012 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/ui/tab_contents/core_tab_helper.h" |
| |
| #include "base/command_line.h" |
| #include "base/metrics/histogram.h" |
| #include "chrome/browser/renderer_host/web_cache_manager.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_command_controller.h" |
| #include "chrome/browser/ui/browser_finder.h" |
| #include "chrome/common/chrome_switches.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 "net/base/load_states.h" |
| #include "grit/generated_resources.h" |
| #include "ui/base/l10n/l10n_util.h" |
| |
| using content::WebContents; |
| |
| DEFINE_WEB_CONTENTS_USER_DATA_KEY(CoreTabHelper); |
| |
| CoreTabHelper::CoreTabHelper(WebContents* web_contents) |
| : content::WebContentsObserver(web_contents), |
| delegate_(NULL), |
| content_restrictions_(0) { |
| } |
| |
| CoreTabHelper::~CoreTabHelper() { |
| } |
| |
| string16 CoreTabHelper::GetDefaultTitle() { |
| return l10n_util::GetStringUTF16(IDS_DEFAULT_TAB_TITLE); |
| } |
| |
| string16 CoreTabHelper::GetStatusText() const { |
| if (!web_contents()->IsLoading() || |
| web_contents()->GetLoadState().state == net::LOAD_STATE_IDLE) { |
| return string16(); |
| } |
| |
| switch (web_contents()->GetLoadState().state) { |
| case net::LOAD_STATE_WAITING_FOR_STALLED_SOCKET_POOL: |
| case net::LOAD_STATE_WAITING_FOR_AVAILABLE_SOCKET: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_SOCKET_SLOT); |
| case net::LOAD_STATE_WAITING_FOR_DELEGATE: |
| if (!web_contents()->GetLoadState().param.empty()) { |
| return l10n_util::GetStringFUTF16(IDS_LOAD_STATE_WAITING_FOR_DELEGATE, |
| web_contents()->GetLoadState().param); |
| } else { |
| return l10n_util::GetStringUTF16( |
| IDS_LOAD_STATE_WAITING_FOR_DELEGATE_GENERIC); |
| } |
| case net::LOAD_STATE_WAITING_FOR_CACHE: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_CACHE); |
| case net::LOAD_STATE_WAITING_FOR_APPCACHE: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_WAITING_FOR_APPCACHE); |
| case net::LOAD_STATE_ESTABLISHING_PROXY_TUNNEL: |
| return |
| l10n_util::GetStringUTF16(IDS_LOAD_STATE_ESTABLISHING_PROXY_TUNNEL); |
| case net::LOAD_STATE_DOWNLOADING_PROXY_SCRIPT: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_DOWNLOADING_PROXY_SCRIPT); |
| case net::LOAD_STATE_RESOLVING_PROXY_FOR_URL: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_RESOLVING_PROXY_FOR_URL); |
| case net::LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT: |
| return l10n_util::GetStringUTF16( |
| IDS_LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT); |
| case net::LOAD_STATE_RESOLVING_HOST: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_RESOLVING_HOST); |
| case net::LOAD_STATE_CONNECTING: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_CONNECTING); |
| case net::LOAD_STATE_SSL_HANDSHAKE: |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_SSL_HANDSHAKE); |
| case net::LOAD_STATE_SENDING_REQUEST: |
| if (web_contents()->GetUploadSize()) { |
| return l10n_util::GetStringFUTF16Int( |
| IDS_LOAD_STATE_SENDING_REQUEST_WITH_PROGRESS, |
| static_cast<int>((100 * web_contents()->GetUploadPosition()) / |
| web_contents()->GetUploadSize())); |
| } else { |
| return l10n_util::GetStringUTF16(IDS_LOAD_STATE_SENDING_REQUEST); |
| } |
| case net::LOAD_STATE_WAITING_FOR_RESPONSE: |
| return l10n_util::GetStringFUTF16(IDS_LOAD_STATE_WAITING_FOR_RESPONSE, |
| web_contents()->GetLoadStateHost()); |
| // Ignore net::LOAD_STATE_READING_RESPONSE and net::LOAD_STATE_IDLE |
| case net::LOAD_STATE_IDLE: |
| case net::LOAD_STATE_READING_RESPONSE: |
| break; |
| } |
| |
| return string16(); |
| } |
| |
| void CoreTabHelper::OnCloseStarted() { |
| if (close_start_time_.is_null()) |
| close_start_time_ = base::TimeTicks::Now(); |
| } |
| |
| void CoreTabHelper::OnCloseCanceled() { |
| close_start_time_ = base::TimeTicks(); |
| before_unload_end_time_ = base::TimeTicks(); |
| unload_detached_start_time_ = base::TimeTicks(); |
| } |
| |
| void CoreTabHelper::OnUnloadStarted() { |
| before_unload_end_time_ = base::TimeTicks::Now(); |
| } |
| |
| void CoreTabHelper::OnUnloadDetachedStarted() { |
| if (unload_detached_start_time_.is_null()) |
| unload_detached_start_time_ = base::TimeTicks::Now(); |
| } |
| |
| void CoreTabHelper::UpdateContentRestrictions(int content_restrictions) { |
| content_restrictions_ = content_restrictions; |
| #if !defined(OS_ANDROID) |
| Browser* browser = chrome::FindBrowserWithWebContents(web_contents()); |
| if (!browser) |
| return; |
| |
| browser->command_controller()->ContentRestrictionsChanged(); |
| #endif |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // WebContentsObserver overrides |
| |
| void CoreTabHelper::DidStartLoading(content::RenderViewHost* render_view_host) { |
| UpdateContentRestrictions(0); |
| } |
| |
| void CoreTabHelper::WasShown() { |
| WebCacheManager::GetInstance()->ObserveActivity( |
| web_contents()->GetRenderProcessHost()->GetID()); |
| } |
| |
| void CoreTabHelper::WebContentsDestroyed(WebContents* web_contents) { |
| // OnCloseStarted isn't called in unit tests. |
| if (!close_start_time_.is_null()) { |
| bool fast_tab_close_enabled = CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableFastUnload); |
| |
| if (fast_tab_close_enabled) { |
| base::TimeTicks now = base::TimeTicks::Now(); |
| base::TimeDelta close_time = now - close_start_time_; |
| UMA_HISTOGRAM_TIMES("Tab.Close", close_time); |
| |
| base::TimeTicks unload_start_time = close_start_time_; |
| base::TimeTicks unload_end_time = now; |
| if (!before_unload_end_time_.is_null()) |
| unload_start_time = before_unload_end_time_; |
| if (!unload_detached_start_time_.is_null()) |
| unload_end_time = unload_detached_start_time_; |
| base::TimeDelta unload_time = unload_end_time - unload_start_time; |
| UMA_HISTOGRAM_TIMES("Tab.Close.UnloadTime", unload_time); |
| } else { |
| base::TimeTicks now = base::TimeTicks::Now(); |
| base::TimeTicks unload_start_time = close_start_time_; |
| if (!before_unload_end_time_.is_null()) |
| unload_start_time = before_unload_end_time_; |
| UMA_HISTOGRAM_TIMES("Tab.Close", now - close_start_time_); |
| UMA_HISTOGRAM_TIMES("Tab.Close.UnloadTime", now - unload_start_time); |
| } |
| } |
| |
| } |
| |
| void CoreTabHelper::BeforeUnloadFired(const base::TimeTicks& proceed_time) { |
| before_unload_end_time_ = proceed_time; |
| } |
| |
| void CoreTabHelper::BeforeUnloadDialogCancelled() { |
| OnCloseCanceled(); |
| } |