| // Copyright 2014 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 "content/child/blink_platform_impl.h" |
| |
| #include <math.h> |
| |
| #include <vector> |
| |
| #include "base/allocator/allocator_extension.h" |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/singleton.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/metrics/histogram.h" |
| #include "base/metrics/sparse_histogram.h" |
| #include "base/metrics/stats_counters.h" |
| #include "base/platform_file.h" |
| #include "base/process/process_metrics.h" |
| #include "base/rand_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/synchronization/lock.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "base/sys_info.h" |
| #include "base/time/time.h" |
| #include "content/child/content_child_helpers.h" |
| #include "content/child/fling_curve_configuration.h" |
| #include "content/child/web_discardable_memory_impl.h" |
| #include "content/child/web_socket_stream_handle_impl.h" |
| #include "content/child/web_url_loader_impl.h" |
| #include "content/child/websocket_bridge.h" |
| #include "content/child/webthread_impl.h" |
| #include "content/child/worker_task_runner.h" |
| #include "content/public/common/content_client.h" |
| #include "grit/blink_resources.h" |
| #include "grit/webkit_resources.h" |
| #include "grit/webkit_strings.h" |
| #include "net/base/data_url.h" |
| #include "net/base/mime_util.h" |
| #include "net/base/net_errors.h" |
| #include "third_party/WebKit/public/platform/WebConvertableToTraceFormat.h" |
| #include "third_party/WebKit/public/platform/WebData.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/platform/WebWaitableEvent.h" |
| #include "third_party/WebKit/public/web/WebInputEvent.h" |
| #include "ui/base/layout.h" |
| |
| #if defined(OS_ANDROID) |
| #include "base/android/sys_utils.h" |
| #include "content/child/fling_animator_impl_android.h" |
| #endif |
| |
| #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN) |
| #include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h" |
| #endif |
| |
| using blink::WebData; |
| using blink::WebFallbackThemeEngine; |
| using blink::WebLocalizedString; |
| using blink::WebString; |
| using blink::WebSocketStreamHandle; |
| using blink::WebThemeEngine; |
| using blink::WebURL; |
| using blink::WebURLError; |
| using blink::WebURLLoader; |
| |
| namespace content { |
| |
| namespace { |
| |
| class WebWaitableEventImpl : public blink::WebWaitableEvent { |
| public: |
| WebWaitableEventImpl() : impl_(new base::WaitableEvent(false, false)) {} |
| virtual ~WebWaitableEventImpl() {} |
| |
| virtual void wait() { impl_->Wait(); } |
| virtual void signal() { impl_->Signal(); } |
| |
| base::WaitableEvent* impl() { |
| return impl_.get(); |
| } |
| |
| private: |
| scoped_ptr<base::WaitableEvent> impl_; |
| DISALLOW_COPY_AND_ASSIGN(WebWaitableEventImpl); |
| }; |
| |
| // A simple class to cache the memory usage for a given amount of time. |
| class MemoryUsageCache { |
| public: |
| // Retrieves the Singleton. |
| static MemoryUsageCache* GetInstance() { |
| return Singleton<MemoryUsageCache>::get(); |
| } |
| |
| MemoryUsageCache() : memory_value_(0) { Init(); } |
| ~MemoryUsageCache() {} |
| |
| void Init() { |
| const unsigned int kCacheSeconds = 1; |
| cache_valid_time_ = base::TimeDelta::FromSeconds(kCacheSeconds); |
| } |
| |
| // Returns true if the cached value is fresh. |
| // Returns false if the cached value is stale, or if |cached_value| is NULL. |
| bool IsCachedValueValid(size_t* cached_value) { |
| base::AutoLock scoped_lock(lock_); |
| if (!cached_value) |
| return false; |
| if (base::Time::Now() - last_updated_time_ > cache_valid_time_) |
| return false; |
| *cached_value = memory_value_; |
| return true; |
| }; |
| |
| // Setter for |memory_value_|, refreshes |last_updated_time_|. |
| void SetMemoryValue(const size_t value) { |
| base::AutoLock scoped_lock(lock_); |
| memory_value_ = value; |
| last_updated_time_ = base::Time::Now(); |
| } |
| |
| private: |
| // The cached memory value. |
| size_t memory_value_; |
| |
| // How long the cached value should remain valid. |
| base::TimeDelta cache_valid_time_; |
| |
| // The last time the cached value was updated. |
| base::Time last_updated_time_; |
| |
| base::Lock lock_; |
| }; |
| |
| class ConvertableToTraceFormatWrapper |
| : public base::debug::ConvertableToTraceFormat { |
| public: |
| explicit ConvertableToTraceFormatWrapper( |
| const blink::WebConvertableToTraceFormat& convertable) |
| : convertable_(convertable) {} |
| virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE { |
| *out += convertable_.asTraceFormat().utf8(); |
| } |
| |
| private: |
| virtual ~ConvertableToTraceFormatWrapper() {} |
| |
| blink::WebConvertableToTraceFormat convertable_; |
| }; |
| |
| } // namespace |
| |
| static int ToMessageID(WebLocalizedString::Name name) { |
| switch (name) { |
| case WebLocalizedString::AXAMPMFieldText: |
| return IDS_AX_AM_PM_FIELD_TEXT; |
| case WebLocalizedString::AXButtonActionVerb: |
| return IDS_AX_BUTTON_ACTION_VERB; |
| case WebLocalizedString::AXCheckedCheckBoxActionVerb: |
| return IDS_AX_CHECKED_CHECK_BOX_ACTION_VERB; |
| case WebLocalizedString::AXDateTimeFieldEmptyValueText: |
| return IDS_AX_DATE_TIME_FIELD_EMPTY_VALUE_TEXT; |
| case WebLocalizedString::AXDayOfMonthFieldText: |
| return IDS_AX_DAY_OF_MONTH_FIELD_TEXT; |
| case WebLocalizedString::AXHeadingText: |
| return IDS_AX_ROLE_HEADING; |
| case WebLocalizedString::AXHourFieldText: |
| return IDS_AX_HOUR_FIELD_TEXT; |
| case WebLocalizedString::AXImageMapText: |
| return IDS_AX_ROLE_IMAGE_MAP; |
| case WebLocalizedString::AXLinkActionVerb: |
| return IDS_AX_LINK_ACTION_VERB; |
| case WebLocalizedString::AXLinkText: |
| return IDS_AX_ROLE_LINK; |
| case WebLocalizedString::AXListMarkerText: |
| return IDS_AX_ROLE_LIST_MARKER; |
| case WebLocalizedString::AXMediaDefault: |
| return IDS_AX_MEDIA_DEFAULT; |
| case WebLocalizedString::AXMediaAudioElement: |
| return IDS_AX_MEDIA_AUDIO_ELEMENT; |
| case WebLocalizedString::AXMediaVideoElement: |
| return IDS_AX_MEDIA_VIDEO_ELEMENT; |
| case WebLocalizedString::AXMediaMuteButton: |
| return IDS_AX_MEDIA_MUTE_BUTTON; |
| case WebLocalizedString::AXMediaUnMuteButton: |
| return IDS_AX_MEDIA_UNMUTE_BUTTON; |
| case WebLocalizedString::AXMediaPlayButton: |
| return IDS_AX_MEDIA_PLAY_BUTTON; |
| case WebLocalizedString::AXMediaPauseButton: |
| return IDS_AX_MEDIA_PAUSE_BUTTON; |
| case WebLocalizedString::AXMediaSlider: |
| return IDS_AX_MEDIA_SLIDER; |
| case WebLocalizedString::AXMediaSliderThumb: |
| return IDS_AX_MEDIA_SLIDER_THUMB; |
| case WebLocalizedString::AXMediaCurrentTimeDisplay: |
| return IDS_AX_MEDIA_CURRENT_TIME_DISPLAY; |
| case WebLocalizedString::AXMediaTimeRemainingDisplay: |
| return IDS_AX_MEDIA_TIME_REMAINING_DISPLAY; |
| case WebLocalizedString::AXMediaStatusDisplay: |
| return IDS_AX_MEDIA_STATUS_DISPLAY; |
| case WebLocalizedString::AXMediaEnterFullscreenButton: |
| return IDS_AX_MEDIA_ENTER_FULL_SCREEN_BUTTON; |
| case WebLocalizedString::AXMediaExitFullscreenButton: |
| return IDS_AX_MEDIA_EXIT_FULL_SCREEN_BUTTON; |
| case WebLocalizedString::AXMediaShowClosedCaptionsButton: |
| return IDS_AX_MEDIA_SHOW_CLOSED_CAPTIONS_BUTTON; |
| case WebLocalizedString::AXMediaHideClosedCaptionsButton: |
| return IDS_AX_MEDIA_HIDE_CLOSED_CAPTIONS_BUTTON; |
| case WebLocalizedString::AXMediaAudioElementHelp: |
| return IDS_AX_MEDIA_AUDIO_ELEMENT_HELP; |
| case WebLocalizedString::AXMediaVideoElementHelp: |
| return IDS_AX_MEDIA_VIDEO_ELEMENT_HELP; |
| case WebLocalizedString::AXMediaMuteButtonHelp: |
| return IDS_AX_MEDIA_MUTE_BUTTON_HELP; |
| case WebLocalizedString::AXMediaUnMuteButtonHelp: |
| return IDS_AX_MEDIA_UNMUTE_BUTTON_HELP; |
| case WebLocalizedString::AXMediaPlayButtonHelp: |
| return IDS_AX_MEDIA_PLAY_BUTTON_HELP; |
| case WebLocalizedString::AXMediaPauseButtonHelp: |
| return IDS_AX_MEDIA_PAUSE_BUTTON_HELP; |
| case WebLocalizedString::AXMediaSliderHelp: |
| return IDS_AX_MEDIA_SLIDER_HELP; |
| case WebLocalizedString::AXMediaSliderThumbHelp: |
| return IDS_AX_MEDIA_SLIDER_THUMB_HELP; |
| case WebLocalizedString::AXMediaCurrentTimeDisplayHelp: |
| return IDS_AX_MEDIA_CURRENT_TIME_DISPLAY_HELP; |
| case WebLocalizedString::AXMediaTimeRemainingDisplayHelp: |
| return IDS_AX_MEDIA_TIME_REMAINING_DISPLAY_HELP; |
| case WebLocalizedString::AXMediaStatusDisplayHelp: |
| return IDS_AX_MEDIA_STATUS_DISPLAY_HELP; |
| case WebLocalizedString::AXMediaEnterFullscreenButtonHelp: |
| return IDS_AX_MEDIA_ENTER_FULL_SCREEN_BUTTON_HELP; |
| case WebLocalizedString::AXMediaExitFullscreenButtonHelp: |
| return IDS_AX_MEDIA_EXIT_FULL_SCREEN_BUTTON_HELP; |
| case WebLocalizedString::AXMediaShowClosedCaptionsButtonHelp: |
| return IDS_AX_MEDIA_SHOW_CLOSED_CAPTIONS_BUTTON_HELP; |
| case WebLocalizedString::AXMediaHideClosedCaptionsButtonHelp: |
| return IDS_AX_MEDIA_HIDE_CLOSED_CAPTIONS_BUTTON_HELP; |
| case WebLocalizedString::AXMillisecondFieldText: |
| return IDS_AX_MILLISECOND_FIELD_TEXT; |
| case WebLocalizedString::AXMinuteFieldText: |
| return IDS_AX_MINUTE_FIELD_TEXT; |
| case WebLocalizedString::AXMonthFieldText: |
| return IDS_AX_MONTH_FIELD_TEXT; |
| case WebLocalizedString::AXRadioButtonActionVerb: |
| return IDS_AX_RADIO_BUTTON_ACTION_VERB; |
| case WebLocalizedString::AXSecondFieldText: |
| return IDS_AX_SECOND_FIELD_TEXT; |
| case WebLocalizedString::AXTextFieldActionVerb: |
| return IDS_AX_TEXT_FIELD_ACTION_VERB; |
| case WebLocalizedString::AXUncheckedCheckBoxActionVerb: |
| return IDS_AX_UNCHECKED_CHECK_BOX_ACTION_VERB; |
| case WebLocalizedString::AXWebAreaText: |
| return IDS_AX_ROLE_WEB_AREA; |
| case WebLocalizedString::AXWeekOfYearFieldText: |
| return IDS_AX_WEEK_OF_YEAR_FIELD_TEXT; |
| case WebLocalizedString::AXYearFieldText: |
| return IDS_AX_YEAR_FIELD_TEXT; |
| case WebLocalizedString::CalendarClear: |
| return IDS_FORM_CALENDAR_CLEAR; |
| case WebLocalizedString::CalendarToday: |
| return IDS_FORM_CALENDAR_TODAY; |
| case WebLocalizedString::DateFormatDayInMonthLabel: |
| return IDS_FORM_DATE_FORMAT_DAY_IN_MONTH; |
| case WebLocalizedString::DateFormatMonthLabel: |
| return IDS_FORM_DATE_FORMAT_MONTH; |
| case WebLocalizedString::DateFormatYearLabel: |
| return IDS_FORM_DATE_FORMAT_YEAR; |
| case WebLocalizedString::DetailsLabel: |
| return IDS_DETAILS_WITHOUT_SUMMARY_LABEL; |
| case WebLocalizedString::FileButtonChooseFileLabel: |
| return IDS_FORM_FILE_BUTTON_LABEL; |
| case WebLocalizedString::FileButtonChooseMultipleFilesLabel: |
| return IDS_FORM_MULTIPLE_FILES_BUTTON_LABEL; |
| case WebLocalizedString::FileButtonNoFileSelectedLabel: |
| return IDS_FORM_FILE_NO_FILE_LABEL; |
| case WebLocalizedString::InputElementAltText: |
| return IDS_FORM_INPUT_ALT; |
| case WebLocalizedString::KeygenMenuHighGradeKeySize: |
| return IDS_KEYGEN_HIGH_GRADE_KEY; |
| case WebLocalizedString::KeygenMenuMediumGradeKeySize: |
| return IDS_KEYGEN_MED_GRADE_KEY; |
| case WebLocalizedString::MissingPluginText: |
| return IDS_PLUGIN_INITIALIZATION_ERROR; |
| case WebLocalizedString::MultipleFileUploadText: |
| return IDS_FORM_FILE_MULTIPLE_UPLOAD; |
| case WebLocalizedString::OtherColorLabel: |
| return IDS_FORM_OTHER_COLOR_LABEL; |
| case WebLocalizedString::OtherDateLabel: |
| return IDS_FORM_OTHER_DATE_LABEL; |
| case WebLocalizedString::OtherMonthLabel: |
| return IDS_FORM_OTHER_MONTH_LABEL; |
| case WebLocalizedString::OtherTimeLabel: |
| return IDS_FORM_OTHER_TIME_LABEL; |
| case WebLocalizedString::OtherWeekLabel: |
| return IDS_FORM_OTHER_WEEK_LABEL; |
| case WebLocalizedString::PlaceholderForDayOfMonthField: |
| return IDS_FORM_PLACEHOLDER_FOR_DAY_OF_MONTH_FIELD; |
| case WebLocalizedString::PlaceholderForMonthField: |
| return IDS_FORM_PLACEHOLDER_FOR_MONTH_FIELD; |
| case WebLocalizedString::PlaceholderForYearField: |
| return IDS_FORM_PLACEHOLDER_FOR_YEAR_FIELD; |
| case WebLocalizedString::ResetButtonDefaultLabel: |
| return IDS_FORM_RESET_LABEL; |
| case WebLocalizedString::SearchableIndexIntroduction: |
| return IDS_SEARCHABLE_INDEX_INTRO; |
| case WebLocalizedString::SearchMenuClearRecentSearchesText: |
| return IDS_RECENT_SEARCHES_CLEAR; |
| case WebLocalizedString::SearchMenuNoRecentSearchesText: |
| return IDS_RECENT_SEARCHES_NONE; |
| case WebLocalizedString::SearchMenuRecentSearchesText: |
| return IDS_RECENT_SEARCHES; |
| case WebLocalizedString::SelectMenuListText: |
| return IDS_FORM_SELECT_MENU_LIST_TEXT; |
| case WebLocalizedString::SubmitButtonDefaultLabel: |
| return IDS_FORM_SUBMIT_LABEL; |
| case WebLocalizedString::ThisMonthButtonLabel: |
| return IDS_FORM_THIS_MONTH_LABEL; |
| case WebLocalizedString::ThisWeekButtonLabel: |
| return IDS_FORM_THIS_WEEK_LABEL; |
| case WebLocalizedString::ValidationBadInputForDateTime: |
| return IDS_FORM_VALIDATION_BAD_INPUT_DATETIME; |
| case WebLocalizedString::ValidationBadInputForNumber: |
| return IDS_FORM_VALIDATION_BAD_INPUT_NUMBER; |
| case WebLocalizedString::ValidationPatternMismatch: |
| return IDS_FORM_VALIDATION_PATTERN_MISMATCH; |
| case WebLocalizedString::ValidationRangeOverflow: |
| return IDS_FORM_VALIDATION_RANGE_OVERFLOW; |
| case WebLocalizedString::ValidationRangeOverflowDateTime: |
| return IDS_FORM_VALIDATION_RANGE_OVERFLOW_DATETIME; |
| case WebLocalizedString::ValidationRangeUnderflow: |
| return IDS_FORM_VALIDATION_RANGE_UNDERFLOW; |
| case WebLocalizedString::ValidationRangeUnderflowDateTime: |
| return IDS_FORM_VALIDATION_RANGE_UNDERFLOW_DATETIME; |
| case WebLocalizedString::ValidationStepMismatch: |
| return IDS_FORM_VALIDATION_STEP_MISMATCH; |
| case WebLocalizedString::ValidationStepMismatchCloseToLimit: |
| return IDS_FORM_VALIDATION_STEP_MISMATCH_CLOSE_TO_LIMIT; |
| case WebLocalizedString::ValidationTooLong: |
| return IDS_FORM_VALIDATION_TOO_LONG; |
| case WebLocalizedString::ValidationTypeMismatch: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH; |
| case WebLocalizedString::ValidationTypeMismatchForEmail: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL; |
| case WebLocalizedString::ValidationTypeMismatchForEmailEmpty: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_EMPTY; |
| case WebLocalizedString::ValidationTypeMismatchForEmailEmptyDomain: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_EMPTY_DOMAIN; |
| case WebLocalizedString::ValidationTypeMismatchForEmailEmptyLocal: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_EMPTY_LOCAL; |
| case WebLocalizedString::ValidationTypeMismatchForEmailInvalidDomain: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_INVALID_DOMAIN; |
| case WebLocalizedString::ValidationTypeMismatchForEmailInvalidDots: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_INVALID_DOTS; |
| case WebLocalizedString::ValidationTypeMismatchForEmailInvalidLocal: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_INVALID_LOCAL; |
| case WebLocalizedString::ValidationTypeMismatchForEmailNoAtSign: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL_NO_AT_SIGN; |
| case WebLocalizedString::ValidationTypeMismatchForMultipleEmail: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_MULTIPLE_EMAIL; |
| case WebLocalizedString::ValidationTypeMismatchForURL: |
| return IDS_FORM_VALIDATION_TYPE_MISMATCH_URL; |
| case WebLocalizedString::ValidationValueMissing: |
| return IDS_FORM_VALIDATION_VALUE_MISSING; |
| case WebLocalizedString::ValidationValueMissingForCheckbox: |
| return IDS_FORM_VALIDATION_VALUE_MISSING_CHECKBOX; |
| case WebLocalizedString::ValidationValueMissingForFile: |
| return IDS_FORM_VALIDATION_VALUE_MISSING_FILE; |
| case WebLocalizedString::ValidationValueMissingForMultipleFile: |
| return IDS_FORM_VALIDATION_VALUE_MISSING_MULTIPLE_FILE; |
| case WebLocalizedString::ValidationValueMissingForRadio: |
| return IDS_FORM_VALIDATION_VALUE_MISSING_RADIO; |
| case WebLocalizedString::ValidationValueMissingForSelect: |
| return IDS_FORM_VALIDATION_VALUE_MISSING_SELECT; |
| case WebLocalizedString::WeekFormatTemplate: |
| return IDS_FORM_INPUT_WEEK_TEMPLATE; |
| case WebLocalizedString::WeekNumberLabel: |
| return IDS_FORM_WEEK_NUMBER_LABEL; |
| // This "default:" line exists to avoid compile warnings about enum |
| // coverage when we add a new symbol to WebLocalizedString.h in WebKit. |
| // After a planned WebKit patch is landed, we need to add a case statement |
| // for the added symbol here. |
| default: |
| break; |
| } |
| return -1; |
| } |
| |
| BlinkPlatformImpl::BlinkPlatformImpl() |
| : main_loop_(base::MessageLoop::current()), |
| shared_timer_func_(NULL), |
| shared_timer_fire_time_(0.0), |
| shared_timer_fire_time_was_set_while_suspended_(false), |
| shared_timer_suspended_(0), |
| fling_curve_configuration_(new FlingCurveConfiguration), |
| current_thread_slot_(&DestroyCurrentThread) {} |
| |
| BlinkPlatformImpl::~BlinkPlatformImpl() { |
| } |
| |
| WebURLLoader* BlinkPlatformImpl::createURLLoader() { |
| return new WebURLLoaderImpl; |
| } |
| |
| WebSocketStreamHandle* BlinkPlatformImpl::createSocketStreamHandle() { |
| return new WebSocketStreamHandleImpl; |
| } |
| |
| blink::WebSocketHandle* BlinkPlatformImpl::createWebSocketHandle() { |
| return new WebSocketBridge; |
| } |
| |
| WebString BlinkPlatformImpl::userAgent() { |
| return WebString::fromUTF8(GetContentClient()->GetUserAgent()); |
| } |
| |
| WebData BlinkPlatformImpl::parseDataURL(const WebURL& url, |
| WebString& mimetype_out, |
| WebString& charset_out) { |
| std::string mime_type, char_set, data; |
| if (net::DataURL::Parse(url, &mime_type, &char_set, &data) |
| && net::IsSupportedMimeType(mime_type)) { |
| mimetype_out = WebString::fromUTF8(mime_type); |
| charset_out = WebString::fromUTF8(char_set); |
| return data; |
| } |
| return WebData(); |
| } |
| |
| WebURLError BlinkPlatformImpl::cancelledError( |
| const WebURL& unreachableURL) const { |
| return WebURLLoaderImpl::CreateError(unreachableURL, false, net::ERR_ABORTED); |
| } |
| |
| blink::WebThread* BlinkPlatformImpl::createThread(const char* name) { |
| return new WebThreadImpl(name); |
| } |
| |
| blink::WebThread* BlinkPlatformImpl::currentThread() { |
| WebThreadImplForMessageLoop* thread = |
| static_cast<WebThreadImplForMessageLoop*>(current_thread_slot_.Get()); |
| if (thread) |
| return (thread); |
| |
| scoped_refptr<base::MessageLoopProxy> message_loop = |
| base::MessageLoopProxy::current(); |
| if (!message_loop.get()) |
| return NULL; |
| |
| thread = new WebThreadImplForMessageLoop(message_loop.get()); |
| current_thread_slot_.Set(thread); |
| return thread; |
| } |
| |
| blink::WebWaitableEvent* BlinkPlatformImpl::createWaitableEvent() { |
| return new WebWaitableEventImpl(); |
| } |
| |
| blink::WebWaitableEvent* BlinkPlatformImpl::waitMultipleEvents( |
| const blink::WebVector<blink::WebWaitableEvent*>& web_events) { |
| std::vector<base::WaitableEvent*> events; |
| for (size_t i = 0; i < web_events.size(); ++i) |
| events.push_back(static_cast<WebWaitableEventImpl*>(web_events[i])->impl()); |
| size_t idx = base::WaitableEvent::WaitMany( |
| vector_as_array(&events), events.size()); |
| DCHECK_LT(idx, web_events.size()); |
| return web_events[idx]; |
| } |
| |
| void BlinkPlatformImpl::decrementStatsCounter(const char* name) { |
| base::StatsCounter(name).Decrement(); |
| } |
| |
| void BlinkPlatformImpl::incrementStatsCounter(const char* name) { |
| base::StatsCounter(name).Increment(); |
| } |
| |
| void BlinkPlatformImpl::histogramCustomCounts( |
| const char* name, int sample, int min, int max, int bucket_count) { |
| // Copied from histogram macro, but without the static variable caching |
| // the histogram because name is dynamic. |
| base::HistogramBase* counter = |
| base::Histogram::FactoryGet(name, min, max, bucket_count, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| DCHECK_EQ(name, counter->histogram_name()); |
| counter->Add(sample); |
| } |
| |
| void BlinkPlatformImpl::histogramEnumeration( |
| const char* name, int sample, int boundary_value) { |
| // Copied from histogram macro, but without the static variable caching |
| // the histogram because name is dynamic. |
| base::HistogramBase* counter = |
| base::LinearHistogram::FactoryGet(name, 1, boundary_value, |
| boundary_value + 1, base::HistogramBase::kUmaTargetedHistogramFlag); |
| DCHECK_EQ(name, counter->histogram_name()); |
| counter->Add(sample); |
| } |
| |
| void BlinkPlatformImpl::histogramSparse(const char* name, int sample) { |
| // For sparse histograms, we can use the macro, as it does not incorporate a |
| // static. |
| UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample); |
| } |
| |
| const unsigned char* BlinkPlatformImpl::getTraceCategoryEnabledFlag( |
| const char* category_group) { |
| return TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_group); |
| } |
| |
| long* BlinkPlatformImpl::getTraceSamplingState( |
| const unsigned thread_bucket) { |
| switch (thread_bucket) { |
| case 0: |
| return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(0)); |
| case 1: |
| return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(1)); |
| case 2: |
| return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(2)); |
| default: |
| NOTREACHED() << "Unknown thread bucket type."; |
| } |
| return NULL; |
| } |
| |
| COMPILE_ASSERT( |
| sizeof(blink::Platform::TraceEventHandle) == |
| sizeof(base::debug::TraceEventHandle), |
| TraceEventHandle_types_must_be_same_size); |
| |
| blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent( |
| char phase, |
| const unsigned char* category_group_enabled, |
| const char* name, |
| unsigned long long id, |
| int num_args, |
| const char** arg_names, |
| const unsigned char* arg_types, |
| const unsigned long long* arg_values, |
| unsigned char flags) { |
| base::debug::TraceEventHandle handle = TRACE_EVENT_API_ADD_TRACE_EVENT( |
| phase, category_group_enabled, name, id, |
| num_args, arg_names, arg_types, arg_values, NULL, flags); |
| blink::Platform::TraceEventHandle result; |
| memcpy(&result, &handle, sizeof(result)); |
| return result; |
| } |
| |
| blink::Platform::TraceEventHandle BlinkPlatformImpl::addTraceEvent( |
| char phase, |
| const unsigned char* category_group_enabled, |
| const char* name, |
| unsigned long long id, |
| int num_args, |
| const char** arg_names, |
| const unsigned char* arg_types, |
| const unsigned long long* arg_values, |
| const blink::WebConvertableToTraceFormat* convertable_values, |
| unsigned char flags) { |
| scoped_refptr<base::debug::ConvertableToTraceFormat> convertable_wrappers[2]; |
| if (convertable_values) { |
| size_t size = std::min(static_cast<size_t>(num_args), |
| arraysize(convertable_wrappers)); |
| for (size_t i = 0; i < size; ++i) { |
| if (arg_types[i] == TRACE_VALUE_TYPE_CONVERTABLE) { |
| convertable_wrappers[i] = |
| new ConvertableToTraceFormatWrapper(convertable_values[i]); |
| } |
| } |
| } |
| base::debug::TraceEventHandle handle = |
| TRACE_EVENT_API_ADD_TRACE_EVENT(phase, |
| category_group_enabled, |
| name, |
| id, |
| num_args, |
| arg_names, |
| arg_types, |
| arg_values, |
| convertable_wrappers, |
| flags); |
| blink::Platform::TraceEventHandle result; |
| memcpy(&result, &handle, sizeof(result)); |
| return result; |
| } |
| |
| void BlinkPlatformImpl::updateTraceEventDuration( |
| const unsigned char* category_group_enabled, |
| const char* name, |
| TraceEventHandle handle) { |
| base::debug::TraceEventHandle traceEventHandle; |
| memcpy(&traceEventHandle, &handle, sizeof(handle)); |
| TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION( |
| category_group_enabled, name, traceEventHandle); |
| } |
| |
| namespace { |
| |
| WebData loadAudioSpatializationResource(const char* name) { |
| #ifdef IDR_AUDIO_SPATIALIZATION_COMPOSITE |
| if (!strcmp(name, "Composite")) { |
| base::StringPiece resource = GetContentClient()->GetDataResource( |
| IDR_AUDIO_SPATIALIZATION_COMPOSITE, ui::SCALE_FACTOR_NONE); |
| return WebData(resource.data(), resource.size()); |
| } |
| #endif |
| |
| #ifdef IDR_AUDIO_SPATIALIZATION_T000_P000 |
| const size_t kExpectedSpatializationNameLength = 31; |
| if (strlen(name) != kExpectedSpatializationNameLength) { |
| return WebData(); |
| } |
| |
| // Extract the azimuth and elevation from the resource name. |
| int azimuth = 0; |
| int elevation = 0; |
| int values_parsed = |
| sscanf(name, "IRC_Composite_C_R0195_T%3d_P%3d", &azimuth, &elevation); |
| if (values_parsed != 2) { |
| return WebData(); |
| } |
| |
| // The resource index values go through the elevations first, then azimuths. |
| const int kAngleSpacing = 15; |
| |
| // 0 <= elevation <= 90 (or 315 <= elevation <= 345) |
| // in increments of 15 degrees. |
| int elevation_index = |
| elevation <= 90 ? elevation / kAngleSpacing : |
| 7 + (elevation - 315) / kAngleSpacing; |
| bool is_elevation_index_good = 0 <= elevation_index && elevation_index < 10; |
| |
| // 0 <= azimuth < 360 in increments of 15 degrees. |
| int azimuth_index = azimuth / kAngleSpacing; |
| bool is_azimuth_index_good = 0 <= azimuth_index && azimuth_index < 24; |
| |
| const int kNumberOfElevations = 10; |
| const int kNumberOfAudioResources = 240; |
| int resource_index = kNumberOfElevations * azimuth_index + elevation_index; |
| bool is_resource_index_good = 0 <= resource_index && |
| resource_index < kNumberOfAudioResources; |
| |
| if (is_azimuth_index_good && is_elevation_index_good && |
| is_resource_index_good) { |
| const int kFirstAudioResourceIndex = IDR_AUDIO_SPATIALIZATION_T000_P000; |
| base::StringPiece resource = GetContentClient()->GetDataResource( |
| kFirstAudioResourceIndex + resource_index, ui::SCALE_FACTOR_NONE); |
| return WebData(resource.data(), resource.size()); |
| } |
| #endif // IDR_AUDIO_SPATIALIZATION_T000_P000 |
| |
| NOTREACHED(); |
| return WebData(); |
| } |
| |
| struct DataResource { |
| const char* name; |
| int id; |
| ui::ScaleFactor scale_factor; |
| }; |
| |
| const DataResource kDataResources[] = { |
| { "missingImage", IDR_BROKENIMAGE, ui::SCALE_FACTOR_100P }, |
| { "missingImage@2x", IDR_BROKENIMAGE, ui::SCALE_FACTOR_200P }, |
| { "mediaplayerPause", IDR_MEDIAPLAYER_PAUSE_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPauseHover", |
| IDR_MEDIAPLAYER_PAUSE_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPauseDown", |
| IDR_MEDIAPLAYER_PAUSE_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPlay", IDR_MEDIAPLAYER_PLAY_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPlayHover", |
| IDR_MEDIAPLAYER_PLAY_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPlayDown", |
| IDR_MEDIAPLAYER_PLAY_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerPlayDisabled", |
| IDR_MEDIAPLAYER_PLAY_BUTTON_DISABLED, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel3", |
| IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel3Hover", |
| IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel3Down", |
| IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel2", |
| IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel2Hover", |
| IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel2Down", |
| IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel1", |
| IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel1Hover", |
| IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel1Down", |
| IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel0", |
| IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel0Hover", |
| IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundLevel0Down", |
| IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSoundDisabled", |
| IDR_MEDIAPLAYER_SOUND_DISABLED, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSliderThumb", |
| IDR_MEDIAPLAYER_SLIDER_THUMB, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSliderThumbHover", |
| IDR_MEDIAPLAYER_SLIDER_THUMB_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerSliderThumbDown", |
| IDR_MEDIAPLAYER_SLIDER_THUMB_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerVolumeSliderThumb", |
| IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerVolumeSliderThumbHover", |
| IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerVolumeSliderThumbDown", |
| IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerVolumeSliderThumbDisabled", |
| IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DISABLED, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerClosedCaption", |
| IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerClosedCaptionHover", |
| IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerClosedCaptionDown", |
| IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerClosedCaptionDisabled", |
| IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DISABLED, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerFullscreen", |
| IDR_MEDIAPLAYER_FULLSCREEN_BUTTON, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerFullscreenHover", |
| IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_HOVER, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerFullscreenDown", |
| IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_DOWN, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerFullscreenDisabled", |
| IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_DISABLED, ui::SCALE_FACTOR_100P }, |
| { "mediaplayerOverlayPlay", |
| IDR_MEDIAPLAYER_OVERLAY_PLAY_BUTTON, ui::SCALE_FACTOR_100P }, |
| #if defined(OS_MACOSX) |
| { "overhangPattern", IDR_OVERHANG_PATTERN, ui::SCALE_FACTOR_100P }, |
| { "overhangShadow", IDR_OVERHANG_SHADOW, ui::SCALE_FACTOR_100P }, |
| #endif |
| { "panIcon", IDR_PAN_SCROLL_ICON, ui::SCALE_FACTOR_100P }, |
| { "searchCancel", IDR_SEARCH_CANCEL, ui::SCALE_FACTOR_100P }, |
| { "searchCancelPressed", IDR_SEARCH_CANCEL_PRESSED, ui::SCALE_FACTOR_100P }, |
| { "searchMagnifier", IDR_SEARCH_MAGNIFIER, ui::SCALE_FACTOR_100P }, |
| { "searchMagnifierResults", |
| IDR_SEARCH_MAGNIFIER_RESULTS, ui::SCALE_FACTOR_100P }, |
| { "textAreaResizeCorner", IDR_TEXTAREA_RESIZER, ui::SCALE_FACTOR_100P }, |
| { "textAreaResizeCorner@2x", IDR_TEXTAREA_RESIZER, ui::SCALE_FACTOR_200P }, |
| { "generatePassword", IDR_PASSWORD_GENERATION_ICON, ui::SCALE_FACTOR_100P }, |
| { "generatePasswordHover", |
| IDR_PASSWORD_GENERATION_ICON_HOVER, ui::SCALE_FACTOR_100P }, |
| }; |
| |
| } // namespace |
| |
| WebData BlinkPlatformImpl::loadResource(const char* name) { |
| // Some clients will call into this method with an empty |name| when they have |
| // optional resources. For example, the PopupMenuChromium code can have icons |
| // for some Autofill items but not for others. |
| if (!strlen(name)) |
| return WebData(); |
| |
| // Check the name prefix to see if it's an audio resource. |
| if (StartsWithASCII(name, "IRC_Composite", true) || |
| StartsWithASCII(name, "Composite", true)) |
| return loadAudioSpatializationResource(name); |
| |
| // TODO(flackr): We should use a better than linear search here, a trie would |
| // be ideal. |
| for (size_t i = 0; i < arraysize(kDataResources); ++i) { |
| if (!strcmp(name, kDataResources[i].name)) { |
| base::StringPiece resource = GetContentClient()->GetDataResource( |
| kDataResources[i].id, kDataResources[i].scale_factor); |
| return WebData(resource.data(), resource.size()); |
| } |
| } |
| |
| NOTREACHED() << "Unknown image resource " << name; |
| return WebData(); |
| } |
| |
| WebString BlinkPlatformImpl::queryLocalizedString( |
| WebLocalizedString::Name name) { |
| int message_id = ToMessageID(name); |
| if (message_id < 0) |
| return WebString(); |
| return GetContentClient()->GetLocalizedString(message_id); |
| } |
| |
| WebString BlinkPlatformImpl::queryLocalizedString( |
| WebLocalizedString::Name name, int numeric_value) { |
| return queryLocalizedString(name, base::IntToString16(numeric_value)); |
| } |
| |
| WebString BlinkPlatformImpl::queryLocalizedString( |
| WebLocalizedString::Name name, const WebString& value) { |
| int message_id = ToMessageID(name); |
| if (message_id < 0) |
| return WebString(); |
| return ReplaceStringPlaceholders(GetContentClient()->GetLocalizedString( |
| message_id), value, NULL); |
| } |
| |
| WebString BlinkPlatformImpl::queryLocalizedString( |
| WebLocalizedString::Name name, |
| const WebString& value1, |
| const WebString& value2) { |
| int message_id = ToMessageID(name); |
| if (message_id < 0) |
| return WebString(); |
| std::vector<base::string16> values; |
| values.reserve(2); |
| values.push_back(value1); |
| values.push_back(value2); |
| return ReplaceStringPlaceholders( |
| GetContentClient()->GetLocalizedString(message_id), values, NULL); |
| } |
| |
| double BlinkPlatformImpl::currentTime() { |
| return base::Time::Now().ToDoubleT(); |
| } |
| |
| double BlinkPlatformImpl::monotonicallyIncreasingTime() { |
| return base::TimeTicks::Now().ToInternalValue() / |
| static_cast<double>(base::Time::kMicrosecondsPerSecond); |
| } |
| |
| void BlinkPlatformImpl::cryptographicallyRandomValues( |
| unsigned char* buffer, size_t length) { |
| base::RandBytes(buffer, length); |
| } |
| |
| void BlinkPlatformImpl::setSharedTimerFiredFunction(void (*func)()) { |
| shared_timer_func_ = func; |
| } |
| |
| void BlinkPlatformImpl::setSharedTimerFireInterval( |
| double interval_seconds) { |
| shared_timer_fire_time_ = interval_seconds + monotonicallyIncreasingTime(); |
| if (shared_timer_suspended_) { |
| shared_timer_fire_time_was_set_while_suspended_ = true; |
| return; |
| } |
| |
| // By converting between double and int64 representation, we run the risk |
| // of losing precision due to rounding errors. Performing computations in |
| // microseconds reduces this risk somewhat. But there still is the potential |
| // of us computing a fire time for the timer that is shorter than what we |
| // need. |
| // As the event loop will check event deadlines prior to actually firing |
| // them, there is a risk of needlessly rescheduling events and of |
| // needlessly looping if sleep times are too short even by small amounts. |
| // This results in measurable performance degradation unless we use ceil() to |
| // always round up the sleep times. |
| int64 interval = static_cast<int64>( |
| ceil(interval_seconds * base::Time::kMillisecondsPerSecond) |
| * base::Time::kMicrosecondsPerMillisecond); |
| |
| if (interval < 0) |
| interval = 0; |
| |
| shared_timer_.Stop(); |
| shared_timer_.Start(FROM_HERE, base::TimeDelta::FromMicroseconds(interval), |
| this, &BlinkPlatformImpl::DoTimeout); |
| OnStartSharedTimer(base::TimeDelta::FromMicroseconds(interval)); |
| } |
| |
| void BlinkPlatformImpl::stopSharedTimer() { |
| shared_timer_.Stop(); |
| } |
| |
| void BlinkPlatformImpl::callOnMainThread( |
| void (*func)(void*), void* context) { |
| main_loop_->PostTask(FROM_HERE, base::Bind(func, context)); |
| } |
| |
| blink::WebGestureCurve* BlinkPlatformImpl::createFlingAnimationCurve( |
| int device_source, |
| const blink::WebFloatPoint& velocity, |
| const blink::WebSize& cumulative_scroll) { |
| #if defined(OS_ANDROID) |
| return FlingAnimatorImpl::CreateAndroidGestureCurve( |
| velocity, |
| cumulative_scroll); |
| #endif |
| |
| if (device_source == blink::WebGestureEvent::Touchscreen) |
| return fling_curve_configuration_->CreateForTouchScreen(velocity, |
| cumulative_scroll); |
| |
| return fling_curve_configuration_->CreateForTouchPad(velocity, |
| cumulative_scroll); |
| } |
| |
| void BlinkPlatformImpl::didStartWorkerRunLoop( |
| const blink::WebWorkerRunLoop& runLoop) { |
| WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance(); |
| worker_task_runner->OnWorkerRunLoopStarted(runLoop); |
| } |
| |
| void BlinkPlatformImpl::didStopWorkerRunLoop( |
| const blink::WebWorkerRunLoop& runLoop) { |
| WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance(); |
| worker_task_runner->OnWorkerRunLoopStopped(runLoop); |
| } |
| |
| blink::WebCrypto* BlinkPlatformImpl::crypto() { |
| WebCryptoImpl::EnsureInit(); |
| return &web_crypto_; |
| } |
| |
| |
| WebThemeEngine* BlinkPlatformImpl::themeEngine() { |
| return &native_theme_engine_; |
| } |
| |
| WebFallbackThemeEngine* BlinkPlatformImpl::fallbackThemeEngine() { |
| return &fallback_theme_engine_; |
| } |
| |
| base::PlatformFile BlinkPlatformImpl::databaseOpenFile( |
| const blink::WebString& vfs_file_name, int desired_flags) { |
| return base::kInvalidPlatformFileValue; |
| } |
| |
| int BlinkPlatformImpl::databaseDeleteFile( |
| const blink::WebString& vfs_file_name, bool sync_dir) { |
| return -1; |
| } |
| |
| long BlinkPlatformImpl::databaseGetFileAttributes( |
| const blink::WebString& vfs_file_name) { |
| return 0; |
| } |
| |
| long long BlinkPlatformImpl::databaseGetFileSize( |
| const blink::WebString& vfs_file_name) { |
| return 0; |
| } |
| |
| long long BlinkPlatformImpl::databaseGetSpaceAvailableForOrigin( |
| const blink::WebString& origin_identifier) { |
| return 0; |
| } |
| |
| blink::WebString BlinkPlatformImpl::signedPublicKeyAndChallengeString( |
| unsigned key_size_index, |
| const blink::WebString& challenge, |
| const blink::WebURL& url) { |
| return blink::WebString(""); |
| } |
| |
| static scoped_ptr<base::ProcessMetrics> CurrentProcessMetrics() { |
| using base::ProcessMetrics; |
| #if defined(OS_MACOSX) |
| return scoped_ptr<ProcessMetrics>( |
| // The default port provider is sufficient to get data for the current |
| // process. |
| ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle(), |
| NULL)); |
| #else |
| return scoped_ptr<ProcessMetrics>( |
| ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle())); |
| #endif |
| } |
| |
| static size_t getMemoryUsageMB(bool bypass_cache) { |
| size_t current_mem_usage = 0; |
| MemoryUsageCache* mem_usage_cache_singleton = MemoryUsageCache::GetInstance(); |
| if (!bypass_cache && |
| mem_usage_cache_singleton->IsCachedValueValid(¤t_mem_usage)) |
| return current_mem_usage; |
| |
| current_mem_usage = GetMemoryUsageKB() >> 10; |
| mem_usage_cache_singleton->SetMemoryValue(current_mem_usage); |
| return current_mem_usage; |
| } |
| |
| size_t BlinkPlatformImpl::memoryUsageMB() { |
| return getMemoryUsageMB(false); |
| } |
| |
| size_t BlinkPlatformImpl::actualMemoryUsageMB() { |
| return getMemoryUsageMB(true); |
| } |
| |
| size_t BlinkPlatformImpl::physicalMemoryMB() { |
| return static_cast<size_t>(base::SysInfo::AmountOfPhysicalMemoryMB()); |
| } |
| |
| size_t BlinkPlatformImpl::virtualMemoryLimitMB() { |
| return static_cast<size_t>(base::SysInfo::AmountOfVirtualMemoryMB()); |
| } |
| |
| size_t BlinkPlatformImpl::numberOfProcessors() { |
| return static_cast<size_t>(base::SysInfo::NumberOfProcessors()); |
| } |
| |
| void BlinkPlatformImpl::startHeapProfiling( |
| const blink::WebString& prefix) { |
| // FIXME(morrita): Make this built on windows. |
| #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN) |
| HeapProfilerStart(prefix.utf8().data()); |
| #endif |
| } |
| |
| void BlinkPlatformImpl::stopHeapProfiling() { |
| #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN) |
| HeapProfilerStop(); |
| #endif |
| } |
| |
| void BlinkPlatformImpl::dumpHeapProfiling( |
| const blink::WebString& reason) { |
| #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN) |
| HeapProfilerDump(reason.utf8().data()); |
| #endif |
| } |
| |
| WebString BlinkPlatformImpl::getHeapProfile() { |
| #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN) |
| char* data = GetHeapProfile(); |
| WebString result = WebString::fromUTF8(std::string(data)); |
| free(data); |
| return result; |
| #else |
| return WebString(); |
| #endif |
| } |
| |
| bool BlinkPlatformImpl::processMemorySizesInBytes( |
| size_t* private_bytes, |
| size_t* shared_bytes) { |
| return CurrentProcessMetrics()->GetMemoryBytes(private_bytes, shared_bytes); |
| } |
| |
| bool BlinkPlatformImpl::memoryAllocatorWasteInBytes(size_t* size) { |
| return base::allocator::GetAllocatorWasteSize(size); |
| } |
| |
| blink::WebDiscardableMemory* |
| BlinkPlatformImpl::allocateAndLockDiscardableMemory(size_t bytes) { |
| base::DiscardableMemoryType type = |
| base::DiscardableMemory::GetPreferredType(); |
| if (type == base::DISCARDABLE_MEMORY_TYPE_EMULATED) |
| return NULL; |
| return content::WebDiscardableMemoryImpl::CreateLockedMemory(bytes).release(); |
| } |
| |
| size_t BlinkPlatformImpl::maxDecodedImageBytes() { |
| #if defined(OS_ANDROID) |
| if (base::android::SysUtils::IsLowEndDevice()) { |
| // Limit image decoded size to 3M pixels on low end devices. |
| // 4 is maximum number of bytes per pixel. |
| return 3 * 1024 * 1024 * 4; |
| } |
| // For other devices, limit decoded image size based on the amount of physical |
| // memory. |
| // In some cases all physical memory is not accessible by Chromium, as it can |
| // be reserved for direct use by certain hardware. Thus, we set the limit so |
| // that 1.6GB of reported physical memory on a 2GB device is enough to set the |
| // limit at 16M pixels, which is a desirable value since 4K*4K is a relatively |
| // common texture size. |
| return base::SysInfo::AmountOfPhysicalMemory() / 25; |
| #else |
| return noDecodedImageByteLimit; |
| #endif |
| } |
| |
| void BlinkPlatformImpl::SetFlingCurveParameters( |
| const std::vector<float>& new_touchpad, |
| const std::vector<float>& new_touchscreen) { |
| fling_curve_configuration_->SetCurveParameters(new_touchpad, new_touchscreen); |
| } |
| |
| void BlinkPlatformImpl::SuspendSharedTimer() { |
| ++shared_timer_suspended_; |
| } |
| |
| void BlinkPlatformImpl::ResumeSharedTimer() { |
| DCHECK_GT(shared_timer_suspended_, 0); |
| |
| // The shared timer may have fired or been adjusted while we were suspended. |
| if (--shared_timer_suspended_ == 0 && |
| (!shared_timer_.IsRunning() || |
| shared_timer_fire_time_was_set_while_suspended_)) { |
| shared_timer_fire_time_was_set_while_suspended_ = false; |
| setSharedTimerFireInterval( |
| shared_timer_fire_time_ - monotonicallyIncreasingTime()); |
| } |
| } |
| |
| // static |
| void BlinkPlatformImpl::DestroyCurrentThread(void* thread) { |
| WebThreadImplForMessageLoop* impl = |
| static_cast<WebThreadImplForMessageLoop*>(thread); |
| delete impl; |
| } |
| |
| } // namespace content |