Implement new dangerous download reporting dialog for UNCOMMON_DOWNLOAD, in Views

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

+// 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 "chrome/browser/ui/views/download/download_feedback_dialog_view.h"
+
+#include "base/prefs/pref_service.h"
+#include "base/supports_user_data.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/views/constrained_window_views.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/views/controls/message_box_view.h"
+#include "ui/views/widget/widget.h"
+
+namespace {
+
+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_;
+};
+
+}  // namespace
+
+// static
+void DownloadFeedbackDialogView::Show(
+    gfx::NativeWindow parent_window,
+    Profile* profile,
+    const base::Callback<void(DownloadReportingStatus)>& callback) {
+  // This dialog should only be shown if it hasn't been shown before.
+  DCHECK(profile->GetPrefs()->GetInteger(
+      prefs::kSafeBrowsingDownloadReportingEnabled) == kDialogNotYetShown);
+
+  // Only one dialog should be shown at a time, so check to see if another one
+  // is open. If another one is open, treat this parallel call as if reporting
+  // is disabled (to be conservative).
+  DialogStatusData* data =
+      static_cast<DialogStatusData*>(profile->GetUserData(kDialogStatusKey));
+  if (data == NULL) {
+    data = new DialogStatusData();
+    profile->SetUserData(kDialogStatusKey, data);
+  }
+  if (data->currently_shown() == false) {
+    data->set_currently_shown(true);
+    DownloadFeedbackDialogView* window =
+        new DownloadFeedbackDialogView(profile, callback);
+    CreateBrowserModalDialogViews(window, parent_window)->Show();
+  } else {
+    callback.Run(kDownloadReportingDisabled);
+  }
+}
+
+void DownloadFeedbackDialogView::ReleaseDialogStatusHold() {
+  DialogStatusData* data =
+      static_cast<DialogStatusData*>(profile_->GetUserData(kDialogStatusKey));
+  DCHECK(data);
+  data->set_currently_shown(false);
+}
+
+DownloadFeedbackDialogView::DownloadFeedbackDialogView(
+    Profile* profile,
+    const base::Callback<void(DownloadReportingStatus)>& callback)
+    : profile_(profile),
+      callback_(callback),
+      explanation_box_view_(new views::MessageBoxView(
+          views::MessageBoxView::InitParams(l10n_util::GetStringUTF16(
+              IDS_FEEDBACK_SERVICE_DIALOG_EXPLANATION)))),
+      title_text_(l10n_util::GetStringUTF16(IDS_FEEDBACK_SERVICE_DIALOG_TITLE)),
+      ok_button_text_(l10n_util::GetStringUTF16(
+          IDS_FEEDBACK_SERVICE_DIALOG_OK_BUTTON_LABEL)),
+      cancel_button_text_(l10n_util::GetStringUTF16(
+          IDS_FEEDBACK_SERVICE_DIALOG_CANCEL_BUTTON_LABEL)) {
+}
+
+DownloadFeedbackDialogView::~DownloadFeedbackDialogView() {}
+
+int DownloadFeedbackDialogView::GetDefaultDialogButton() const {
+  return ui::DIALOG_BUTTON_CANCEL;
+}
+
+base::string16 DownloadFeedbackDialogView::GetDialogButtonLabel(
+    ui::DialogButton button) const {
+  return (button == ui::DIALOG_BUTTON_OK) ?
+      ok_button_text_ : cancel_button_text_;
+}
+
+bool DownloadFeedbackDialogView::Cancel() {
+  profile_->GetPrefs()->SetInteger(
+      prefs::kSafeBrowsingDownloadReportingEnabled, kDownloadReportingDisabled);
+  ReleaseDialogStatusHold();
+  callback_.Run(kDownloadReportingDisabled);
+  return true;
+}
+
+bool DownloadFeedbackDialogView::Accept() {
+  profile_->GetPrefs()->SetInteger(
+      prefs::kSafeBrowsingDownloadReportingEnabled, kDownloadReportingEnabled);
+  ReleaseDialogStatusHold();
+  callback_.Run(kDownloadReportingEnabled);
+  return true;
+}
+
+ui::ModalType DownloadFeedbackDialogView::GetModalType() const {
+  return ui::MODAL_TYPE_WINDOW;
+}
+
+base::string16 DownloadFeedbackDialogView::GetWindowTitle() const {
+  return title_text_;
+}
+
+void DownloadFeedbackDialogView::DeleteDelegate() {
+  delete this;
+}
+
+views::Widget* DownloadFeedbackDialogView::GetWidget() {
+  return explanation_box_view_->GetWidget();
+}
+
+const views::Widget* DownloadFeedbackDialogView::GetWidget() const {
+  return explanation_box_view_->GetWidget();
+}
+
+views::View* DownloadFeedbackDialogView::GetContentsView() {
+  return explanation_box_view_;
+}