Implement safebrowsing download feedback service, enabled for dev & canary only.

chrome/browser/ui/views/download/download_item_view.cc

 // 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/views/download/download_item_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/i18n/break_iterator.h"
 #include "base/i18n/rtl.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_util.h"
+#include "chrome/browser/safe_browsing/download_feedback_service.h"
+#include "chrome/browser/safe_browsing/download_protection_service.h"
+#include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/views/download/download_shelf_context_menu_view.h"
 #include "chrome/browser/ui/views/download/download_shelf_view.h"
 #include "content/public/browser/download_danger_type.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "third_party/icu/public/common/unicode/uchar.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/events/event.h"
@@ skipping 483 matching lines @@
                                               const gfx::Point& point) {
   // |point| is in screen coordinates. So convert it to local coordinates first.
   gfx::Point local_point = point;
   ConvertPointFromScreen(this, &local_point);
   ShowContextMenuImpl(local_point, true);
 }
 
 void DownloadItemView::ButtonPressed(
     views::Button* sender, const ui::Event& event) {
   if (sender == discard_button_) {
+    if (model_.ShouldAllowDownloadFeedback() && BeginDownloadFeedback())
+      return;
     UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                              base::Time::Now() - creation_time_);
     download()->Remove();
     // WARNING: we are deleted at this point.  Don't access 'this'.
   } else if (save_button_ && sender == save_button_) {
     // The user has confirmed a dangerous download.  We'd record how quickly the
     // user did this to detect whether we're being clickjacked.
     UMA_HISTOGRAM_LONG_TIMES("clickjacking.save_download",
                              base::Time::Now() - creation_time_);
     // This will change the state and notify us.
@@ skipping 298 matching lines @@
 void DownloadItemView::OpenDownload() {
   DCHECK(!IsShowingWarningDialog());
   // We're interested in how long it takes users to open downloads.  If they
   // open downloads super quickly, we should be concerned about clickjacking.
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.open_download",
                            base::Time::Now() - creation_time_);
   download()->OpenDownload();
   UpdateAccessibleName();
 }
 
+bool DownloadItemView::BeginDownloadFeedback() {
+  SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
+  if (!sb_service)
+    return false;
+  safe_browsing::DownloadProtectionService* download_protection_service =
+      sb_service->download_protection_service();
+  if (!download_protection_service)
+    return false;
+  UMA_HISTOGRAM_LONG_TIMES("clickjacking.report_and_discard_download",
+                           base::Time::Now() - creation_time_);
+  download_protection_service->feedback_service()->BeginFeedbackForDownload(
+      download());
+  // WARNING: we are deleted at this point.  Don't access 'this'.
+  return true;
+}
+
 void DownloadItemView::LoadIcon() {
   IconManager* im = g_browser_process->icon_manager();
   last_download_item_path_ = download()->GetTargetFilePath();
   im->LoadIcon(last_download_item_path_,
                IconLoader::SMALL,
                base::Bind(&DownloadItemView::OnExtractIconComplete,
                           base::Unretained(this)),
                &cancelable_task_tracker_);
 }
 
@@ skipping 187 matching lines @@
   mode_ = ((model_.IsMalicious()) ? MALICIOUS_MODE : DANGEROUS_MODE);
 
   body_state_ = NORMAL;
   drop_down_state_ = NORMAL;
   if (mode_ == DANGEROUS_MODE) {
     save_button_ = new views::LabelButton(
         this, model_.GetWarningConfirmButtonText());
     save_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
     AddChildView(save_button_);
   }
-  discard_button_ = new views::LabelButton(
-      this, l10n_util::GetStringUTF16(IDS_DISCARD_DOWNLOAD));
+  if (model_.ShouldAllowDownloadFeedback()) {
+    safe_browsing::DownloadFeedbackService::RecordFeedbackButtonShown(
+        download()->GetDangerType());
+    discard_button_ = new views::LabelButton(
+        this, l10n_util::GetStringUTF16(IDS_REPORT_AND_DISCARD_DOWNLOAD));
+  } else {
+    discard_button_ = new views::LabelButton(
+        this, l10n_util::GetStringUTF16(IDS_DISCARD_DOWNLOAD));
+  }
   discard_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
   AddChildView(discard_button_);
 
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   // The dangerous download label text and icon are different under
   // different cases.
   if (mode_ == MALICIOUS_MODE) {
     warning_icon_ = rb.GetImageSkiaNamed(IDR_SAFEBROWSING_WARNING);
   } else {
     // The download file has dangerous file type (e.g.: an executable).
@@ skipping 149 matching lines @@
 void DownloadItemView::AnimateStateTransition(State from, State to,
                                               ui::SlideAnimation* animation) {
   if (from == NORMAL && to == HOT) {
     animation->Show();
   } else if (from == HOT && to == NORMAL) {
     animation->Hide();
   } else if (from != to) {
     animation->Reset((to == HOT) ? 1.0 : 0.0);
   }
 }