Implement new dangerous download reporting dialog for UNCOMMON_DOWNLOAD, in Views

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

Index: chrome/browser/ui/views/download/download_item_view.cc
diff --git a/chrome/browser/ui/views/download/download_item_view.cc b/chrome/browser/ui/views/download/download_item_view.cc
index 65f6495f0b3f12fd4d7b9f051b7fa4f7844a8ecb..7b0bddd4fb1f410f6516e759ebee625b0e4e5d48 100644
--- a/chrome/browser/ui/views/download/download_item_view.cc
+++ b/chrome/browser/ui/views/download/download_item_view.cc
@@ -17,15 +17,18 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/supports_user_data.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_stats.h"
 #include "chrome/browser/download/drag_download_item.h"
+#include "chrome/browser/prefs/pref_service_syncable.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_feedback_dialog_view.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"
@@ -88,6 +91,18 @@ static const double kDownloadItemLuminanceMod = 0.8;
 
 using content::DownloadItem;
 
+const void* kDialogStatusKey = &kDialogStatusKey;
+
+class DialogStatusData : public base::SupportsUserData::Data {
+ public:
+  DialogStatusData() : currently_shown_(false) {}
+  virtual ~DialogStatusData() {}
+  bool currently_shown() const { return currently_shown_; }
+  void set_currently_shown(bool shown) { currently_shown_ = shown; }
+ private:
+  bool currently_shown_;
+};
+
 DownloadItemView::DownloadItemView(DownloadItem* download_item,
     DownloadShelfView* parent)
   : warning_icon_(NULL),
@@ -550,9 +565,49 @@ void DownloadItemView::ButtonPressed(views::Button* sender,
     shelf_->RemoveDownloadView(this);
     return;
   }
-  if (model_.ShouldAllowDownloadFeedback() && BeginDownloadFeedback())
-    return;
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download", warning_duration);
+  if (model_.ShouldAllowDownloadFeedback() &&
+      !shelf_->browser()->profile()->IsOffTheRecord()) {
+    DownloadFeedbackDialogView::DownloadReportingStatus pref_value =
+        static_cast<DownloadFeedbackDialogView::DownloadReportingStatus>(
+            shelf_->browser()->profile()->GetPrefs()->GetInteger(
+                prefs::kSafeBrowsingDownloadReportingEnabled));
+    DialogStatusData* data = static_cast<DialogStatusData*>(
+        shelf_->browser()->profile()->GetUserData(kDialogStatusKey));
+    if (data == NULL) {
+      data = new DialogStatusData();
+      shelf_->browser()->profile()->SetUserData(kDialogStatusKey, data);
+    }
+    switch (pref_value) {
+      case DownloadFeedbackDialogView::kDialogNotYetShown:
+        // Need to check if the dialog is already displayed for this profile.
+        // If it is, default to discarding the file and don't generate a second
+        // instance of the dialog.
+        if (data->currently_shown() == false) {
+          data->set_currently_shown(true);
+          DownloadFeedbackDialogView::Show(
+              shelf_->get_parent()->GetNativeWindow(),
+              shelf_->browser()->profile(),
+              base::Bind(
+                  &DownloadItemView::PossiblySubmitDownloadToFeedbackService,
+                  weak_ptr_factory_.GetWeakPtr()));
+        } else {
+          PossiblySubmitDownloadToFeedbackService(
+              DownloadFeedbackDialogView::kDialogDecisionPending);
+        }
+        break;
+
+      case DownloadFeedbackDialogView::kDownloadReportingEnabled:
+      case DownloadFeedbackDialogView::kDownloadReportingDisabled:
+        PossiblySubmitDownloadToFeedbackService(pref_value);
+        break;
+
+      case DownloadFeedbackDialogView::kDialogDecisionPending:
+      case DownloadFeedbackDialogView::kMaxValue:
+        NOTREACHED();
+    }
+    return;
+  }
   download()->Remove();
 }
 
@@ -890,7 +945,7 @@ void DownloadItemView::OpenDownload() {
   UpdateAccessibleName();
 }
 
-bool DownloadItemView::BeginDownloadFeedback() {
+bool DownloadItemView::SubmitDownloadToFeedbackService() {
 #if defined(FULL_SAFE_BROWSING)
   SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
   if (!sb_service)
@@ -899,11 +954,6 @@ bool DownloadItemView::BeginDownloadFeedback() {
       sb_service->download_protection_service();
   if (!download_protection_service)
     return false;
-  base::TimeDelta warning_duration = base::TimeDelta();
-  if (!time_download_warning_shown_.is_null())
-    warning_duration = base::Time::Now() - time_download_warning_shown_;
-  UMA_HISTOGRAM_LONG_TIMES("clickjacking.report_and_discard_download",
-                           warning_duration);
   download_protection_service->feedback_service()->BeginFeedbackForDownload(
       download());
   // WARNING: we are deleted at this point.  Don't access 'this'.
@@ -914,6 +964,22 @@ bool DownloadItemView::BeginDownloadFeedback() {
 #endif
 }
 
+void DownloadItemView::PossiblySubmitDownloadToFeedbackService(
+    DownloadFeedbackDialogView::DownloadReportingStatus status) {
+  if (status != DownloadFeedbackDialogView::kDialogDecisionPending) {
+    DialogStatusData* data = static_cast<DialogStatusData*>(
+        shelf_->browser()->profile()->GetUserData(kDialogStatusKey));
+    DCHECK(data);
+    data->set_currently_shown(false);
+  }
+
+  if (status != DownloadFeedbackDialogView::kDownloadReportingEnabled ||
+      !SubmitDownloadToFeedbackService()) {
+    download()->Remove();
+  }
+  // WARNING: 'this' is deleted at this point. Don't access 'this'.
+}
+
 void DownloadItemView::LoadIcon() {
   IconManager* im = g_browser_process->icon_manager();
   last_download_item_path_ = download()->GetTargetFilePath();
@@ -1141,8 +1207,6 @@ void DownloadItemView::ShowWarningDialog() {
   }
   int discard_button_message = model_.IsMalicious() ?
       IDS_DISMISS_DOWNLOAD : IDS_DISCARD_DOWNLOAD;
-  if (!model_.IsMalicious() && model_.ShouldAllowDownloadFeedback())
-    discard_button_message = IDS_REPORT_AND_DISCARD_DOWNLOAD;
   discard_button_ = new views::LabelButton(
       this, l10n_util::GetStringUTF16(discard_button_message));
   discard_button_->SetStyle(views::Button::STYLE_BUTTON);