| // Copyright (c) 2006-2009 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/renderer/loadtimes_extension_bindings.h" |
| |
| #include <math.h> |
| |
| #include "base/time.h" |
| #include "content/renderer/navigation_state.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
| #include "v8/include/v8.h" |
| |
| using WebKit::WebDataSource; |
| using WebKit::WebFrame; |
| using WebKit::WebNavigationType; |
| |
| // Values for CSI "tran" property |
| const int kTransitionLink = 0; |
| const int kTransitionForwardBack = 6; |
| const int kTransitionOther = 15; |
| const int kTransitionReload = 16; |
| |
| namespace extensions_v8 { |
| |
| static const char* const kLoadTimesExtensionName = "v8/LoadTimes"; |
| |
| class LoadTimesExtensionWrapper : public v8::Extension { |
| public: |
| // Creates an extension which adds a new function, chromium.GetLoadTimes() |
| // This function returns an object containing the following members: |
| // requestTime: The time the request to load the page was received |
| // loadTime: The time the renderer started the load process |
| // finishDocumentLoadTime: The time the document itself was loaded |
| // (this is before the onload() method is fired) |
| // finishLoadTime: The time all loading is done, after the onload() |
| // method and all resources |
| // navigationType: A string describing what user action initiated the load |
| LoadTimesExtensionWrapper() : |
| v8::Extension(kLoadTimesExtensionName, |
| "var chrome;" |
| "if (!chrome)" |
| " chrome = {};" |
| "chrome.loadTimes = function() {" |
| " native function GetLoadTimes();" |
| " return GetLoadTimes();" |
| "};" |
| "chrome.csi = function() {" |
| " native function GetCSI();" |
| " return GetCSI();" |
| "}") {} |
| |
| virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction( |
| v8::Handle<v8::String> name) { |
| if (name->Equals(v8::String::New("GetLoadTimes"))) { |
| return v8::FunctionTemplate::New(GetLoadTimes); |
| } else if (name->Equals(v8::String::New("GetCSI"))) { |
| return v8::FunctionTemplate::New(GetCSI); |
| } |
| return v8::Handle<v8::FunctionTemplate>(); |
| } |
| |
| static const char* GetNavigationType(WebNavigationType nav_type) { |
| switch (nav_type) { |
| case WebKit::WebNavigationTypeLinkClicked: |
| return "LinkClicked"; |
| case WebKit::WebNavigationTypeFormSubmitted: |
| return "FormSubmitted"; |
| case WebKit::WebNavigationTypeBackForward: |
| return "BackForward"; |
| case WebKit::WebNavigationTypeReload: |
| return "Reload"; |
| case WebKit::WebNavigationTypeFormResubmitted: |
| return "Resubmitted"; |
| case WebKit::WebNavigationTypeOther: |
| return "Other"; |
| } |
| return ""; |
| } |
| |
| static int GetCSITransitionType(WebNavigationType nav_type) { |
| switch (nav_type) { |
| case WebKit::WebNavigationTypeLinkClicked: |
| case WebKit::WebNavigationTypeFormSubmitted: |
| case WebKit::WebNavigationTypeFormResubmitted: |
| return kTransitionLink; |
| case WebKit::WebNavigationTypeBackForward: |
| return kTransitionForwardBack; |
| case WebKit::WebNavigationTypeReload: |
| return kTransitionReload; |
| case WebKit::WebNavigationTypeOther: |
| return kTransitionOther; |
| } |
| return kTransitionOther; |
| } |
| |
| static v8::Handle<v8::Value> GetLoadTimes(const v8::Arguments& args) { |
| WebFrame* frame = WebFrame::frameForCurrentContext(); |
| if (frame) { |
| WebDataSource* data_source = frame->dataSource(); |
| if (data_source) { |
| NavigationState* navigation_state = |
| NavigationState::FromDataSource(data_source); |
| v8::Local<v8::Object> load_times = v8::Object::New(); |
| load_times->Set( |
| v8::String::New("requestTime"), |
| v8::Number::New(navigation_state->request_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("startLoadTime"), |
| v8::Number::New(navigation_state->start_load_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("commitLoadTime"), |
| v8::Number::New(navigation_state->commit_load_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("finishDocumentLoadTime"), |
| v8::Number::New( |
| navigation_state->finish_document_load_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("finishLoadTime"), |
| v8::Number::New(navigation_state->finish_load_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("firstPaintTime"), |
| v8::Number::New(navigation_state->first_paint_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("firstPaintAfterLoadTime"), |
| v8::Number::New( |
| navigation_state->first_paint_after_load_time().ToDoubleT())); |
| load_times->Set( |
| v8::String::New("navigationType"), |
| v8::String::New(GetNavigationType(data_source->navigationType()))); |
| load_times->Set( |
| v8::String::New("wasFetchedViaSpdy"), |
| v8::Boolean::New(navigation_state->was_fetched_via_spdy())); |
| load_times->Set( |
| v8::String::New("wasNpnNegotiated"), |
| v8::Boolean::New(navigation_state->was_npn_negotiated())); |
| load_times->Set( |
| v8::String::New("wasAlternateProtocolAvailable"), |
| v8::Boolean::New( |
| navigation_state->was_alternate_protocol_available())); |
| return load_times; |
| } |
| } |
| return v8::Null(); |
| } |
| |
| static v8::Handle<v8::Value> GetCSI(const v8::Arguments& args) { |
| WebFrame* frame = WebFrame::frameForCurrentContext(); |
| if (frame) { |
| WebDataSource* data_source = frame->dataSource(); |
| if (data_source) { |
| NavigationState* navigation_state = |
| NavigationState::FromDataSource(data_source); |
| v8::Local<v8::Object> csi = v8::Object::New(); |
| base::Time now = base::Time::Now(); |
| base::Time start = navigation_state->request_time().is_null() ? |
| navigation_state->start_load_time() : |
| navigation_state->request_time(); |
| base::Time onload = navigation_state->finish_document_load_time(); |
| base::TimeDelta page = now - start; |
| csi->Set( |
| v8::String::New("startE"), |
| v8::Number::New(floor(start.ToDoubleT() * 1000))); |
| csi->Set( |
| v8::String::New("onloadT"), |
| v8::Number::New(floor(onload.ToDoubleT() * 1000))); |
| csi->Set( |
| v8::String::New("pageT"), |
| v8::Number::New(page.InMillisecondsF())); |
| csi->Set( |
| v8::String::New("tran"), |
| v8::Number::New( |
| GetCSITransitionType(data_source->navigationType()))); |
| |
| return csi; |
| } |
| } |
| return v8::Null(); |
| } |
| }; |
| |
| v8::Extension* LoadTimesExtension::Get() { |
| return new LoadTimesExtensionWrapper(); |
| } |
| |
| } // namespace extensions_v8 |