| // 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 <string> |
| #include <vector> |
| |
| #include "base/command_line.h" |
| #include "base/metrics/histogram.h" |
| #include "base/strings/stringprintf.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/renderer_host/web_cache_manager.h" |
| #include "chrome/browser/search_engines/template_url.h" |
| #include "chrome/browser/search_engines/template_url_service.h" |
| #include "chrome/browser/search_engines/template_url_service_factory.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 "chrome/common/render_messages.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 "grit/generated_resources.h" |
| #include "net/base/load_states.h" |
| #include "net/http/http_request_headers.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/gfx/codec/jpeg_codec.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() { |
| } |
| |
| base::string16 CoreTabHelper::GetDefaultTitle() { |
| return l10n_util::GetStringUTF16(IDS_DEFAULT_TAB_TITLE); |
| } |
| |
| base::string16 CoreTabHelper::GetStatusText() const { |
| if (!web_contents()->IsLoading() || |
| web_contents()->GetLoadState().state == net::LOAD_STATE_IDLE) { |
| return base::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 base::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() { |
| // 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(); |
| } |
| |
| bool CoreTabHelper::OnMessageReceived( |
| const IPC::Message& message, |
| content::RenderFrameHost* render_frame_host) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(CoreTabHelper, message) |
| IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RequestThumbnailForContextNode_ACK, |
| OnRequestThumbnailForContextNodeACK) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| // Handles the image thumbnail for the context node, composes a image search |
| // request based on the received thumbnail and opens the request in a new tab. |
| void CoreTabHelper::OnRequestThumbnailForContextNodeACK( |
| const SkBitmap& bitmap, |
| const gfx::Size& original_size) { |
| if (bitmap.isNull()) |
| return; |
| Profile* profile = |
| Profile::FromBrowserContext(web_contents()->GetBrowserContext()); |
| |
| TemplateURLService* template_url_service = |
| TemplateURLServiceFactory::GetForProfile(profile); |
| if (!template_url_service) |
| return; |
| const TemplateURL* const default_provider = |
| template_url_service->GetDefaultSearchProvider(); |
| if (!default_provider) |
| return; |
| |
| const int kDefaultQualityForImageSearch = 90; |
| std::vector<unsigned char> data; |
| if (!gfx::JPEGCodec::Encode( |
| reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)), |
| gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(), bitmap.height(), |
| static_cast<int>(bitmap.rowBytes()), kDefaultQualityForImageSearch, |
| &data)) |
| return; |
| |
| TemplateURLRef::SearchTermsArgs search_args = |
| TemplateURLRef::SearchTermsArgs(base::string16()); |
| search_args.image_thumbnail_content = std::string(data.begin(), data.end()); |
| // TODO(jnd): Add a method in WebContentsViewDelegate to get the image URL |
| // from the ContextMenuParams which creates current context menu. |
| search_args.image_url = GURL(); |
| search_args.image_original_size = original_size; |
| TemplateURLRef::PostContent post_content; |
| GURL result(default_provider->image_url_ref().ReplaceSearchTerms( |
| search_args, template_url_service->search_terms_data(), &post_content)); |
| if (!result.is_valid()) |
| return; |
| |
| content::OpenURLParams open_url_params( |
| result, content::Referrer(), NEW_FOREGROUND_TAB, |
| content::PAGE_TRANSITION_LINK, false); |
| const std::string& content_type = post_content.first; |
| std::string* post_data = &post_content.second; |
| if (!post_data->empty()) { |
| DCHECK(!content_type.empty()); |
| open_url_params.uses_post = true; |
| open_url_params.browser_initiated_post_data = |
| base::RefCountedString::TakeString(post_data); |
| open_url_params.extra_headers += base::StringPrintf( |
| "%s: %s\r\n", net::HttpRequestHeaders::kContentType, |
| content_type.c_str()); |
| } |
| web_contents()->OpenURL(open_url_params); |
| } |