[Views] Instrument unmasking prompt initial implementation

chrome/browser/ui/views/autofill/card_unmask_prompt_views.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 "base/basictypes.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/ui/autofill/card_unmask_prompt_view.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/constrained_window/constrained_window_views.h"
+#include "grit/theme_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/views/controls/image_view.h"
+#include "ui/views/controls/label.h"
+#include "ui/views/controls/textfield/textfield.h"
+#include "ui/views/controls/textfield/textfield_controller.h"
+#include "ui/views/layout/box_layout.h"
+#include "ui/views/window/dialog_client_view.h"
+#include "ui/views/window/dialog_delegate.h"
+
+namespace autofill {
+
+namespace {
+
+class CardUnmaskPromptViews : public CardUnmaskPromptView,
+                              views::DialogDelegateView,
+                              views::TextfieldController {
+ public:
+  CardUnmaskPromptViews(content::WebContents* web_contents,
+                        const UnmaskCallback& finished)
+      : web_contents_(web_contents),
+        finished_(finished),
+        accepted_(false),
+        cvc_(nullptr) {}
+
+  ~CardUnmaskPromptViews() override {
+    finished_.Run(accepted_ ? cvc_->text() : base::string16());
+  }
+
+  void Show() {
+    constrained_window::ShowWebModalDialogViews(this, web_contents_);
+  }
+
+  // views::DialogDelegateView
+  View* GetContentsView() override {
+    InitIfNecessary();
+    return this;
+  }
+
+  ui::ModalType GetModalType() const override { return ui::MODAL_TYPE_CHILD; }
+
+  base::string16 GetWindowTitle() const override {
+    // TODO(estade): fix this.
+    return base::ASCIIToUTF16("Unlocking Visa - 1111");
+  }
+
+  void DeleteDelegate() override { delete this; }
+
+  int GetDialogButtons() const override {
+    return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
+  }
+
+  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override {
+    // TODO(estade): fix this.
+    if (button == ui::DIALOG_BUTTON_OK)
+      return base::ASCIIToUTF16("Verify");
+
+    return DialogDelegateView::GetDialogButtonLabel(button);
+  }
+
+  bool ShouldDefaultButtonBeBlue() const override { return true; }
+
+  bool IsDialogButtonEnabled(ui::DialogButton button) const override {
+    if (button == ui::DIALOG_BUTTON_CANCEL)
+      return true;
+
+    DCHECK_EQ(ui::DIALOG_BUTTON_OK, button);
+
+    base::string16 input_text;
+    base::TrimWhitespace(cvc_->text(), base::TRIM_ALL, &input_text);
+    return input_text.size() == 3 &&
+           base::ContainsOnlyChars(input_text,
+                                   base::ASCIIToUTF16("0123456789"));
+  }
+
+  views::View* GetInitiallyFocusedView() override { return cvc_; }
+
+  bool Cancel() override {
+    DCHECK_EQ(false, accepted_);
+    return true;
+  }
+
+  bool Accept() override {
+    accepted_ = true;
+    return true;
+  }
+
+  // views::TextfieldController
+  void ContentsChanged(views::Textfield* sender,
+                       const base::string16& new_contents) override {
+    GetDialogClientView()->UpdateDialogButtons();
+  }
+
+ private:
+  void InitIfNecessary() {
+    if (has_children())
+      return;
+
+    // TODO(estade): for amex, text and CVC image should be different.
+    SetLayoutManager(
+        new views::BoxLayout(views::BoxLayout::kVertical, 19, 0, 5));
+    AddChildView(new views::Label(base::ASCIIToUTF16(
+        "Enter the three digit verification code from the back of your credit "
+        "card")));
+
+    views::View* cvc_container = new views::View();
+    cvc_container->SetLayoutManager(
+        new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 5));
+    AddChildView(cvc_container);
+
+    cvc_ = new views::Textfield();
+    cvc_->set_controller(this);
+    cvc_->set_placeholder_text(
+        l10n_util::GetStringUTF16(IDS_AUTOFILL_DIALOG_PLACEHOLDER_CVC));
+    cvc_->set_default_width_in_chars(10);
+    cvc_container->AddChildView(cvc_);
+
+    views::ImageView* cvc_image = new views::ImageView();
+    ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+    cvc_image->SetImage(rb.GetImageSkiaNamed(IDR_CREDIT_CARD_CVC_HINT));
+    cvc_container->AddChildView(cvc_image);
+  }
+
+  content::WebContents* web_contents_;
+
+  UnmaskCallback finished_;
+
+  // Set to true when the user accepts.
+  bool accepted_;
+
+  views::Textfield* cvc_;
+
+  DISALLOW_COPY_AND_ASSIGN(CardUnmaskPromptViews);
+};
+
+}  // namespace
+
+// static
+CardUnmaskPromptView* CardUnmaskPromptView::CreateAndShow(
+    content::WebContents* web_contents,
+    const UnmaskCallback& finished) {
+  CardUnmaskPromptViews* view =
+      new CardUnmaskPromptViews(web_contents, finished);
+  view->Show();
+  return view;
+}
+
+}  // namespace autofill