Show Captcha dialog.

chrome/browser/chromeos/login/captcha_view.cc

+// Copyright (c) 2010 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/chromeos/login/captcha_view.h"
+
+#include "app/l10n_util.h"
+#include "base/string_util.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/chromeos/login/image_downloader.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "views/controls/image_view.h"
+#include "views/controls/label.h"
+#include "views/grid_layout.h"
+#include "views/standard_layout.h"
+#include "views/widget/widget_gtk.h"
+#include "views/window/window.h"
+
+using views::Label;
+using views::Textfield;
+using views::WidgetGtk;
+
+namespace chromeos {
+
+CaptchaView::CaptchaView(const GURL& captcha_url)
+    : delegate_(NULL),
+      captcha_url_(captcha_url),
+      captcha_image_(NULL),
+      captcha_textfield_(NULL) {
+}
+
+bool CaptchaView::Accept() {
+  if (delegate_)
+    delegate_->OnCaptchaEntered(UTF16ToUTF8(captcha_textfield_->text()));
+  return true;
+}
+
+std::wstring CaptchaView::GetWindowTitle() const {
+  return l10n_util::GetString(IDS_LOGIN_CAPTCHA_DIALOG_TITLE);
+}
+
+gfx::Size CaptchaView::GetPreferredSize() {
+  // TODO(nkostylev): Once UI is finalized, create locale settings.
+  return gfx::Size(views::Window::GetLocalizedContentsSize(
+      IDS_CAPTCHA_INPUT_DIALOG_WIDTH_CHARS,
+      IDS_CAPTCHA_INPUT_DIALOG_HEIGHT_LINES));
+}
+
+void CaptchaView::ViewHierarchyChanged(bool is_add,
+                                       views::View* parent,
+                                       views::View* child) {
+  // Can't init before we're inserted into a Container, because we require
+  // a HWND to parent native child controls to.
+  if (is_add && child == this)
+    Init();
+}
+
+bool CaptchaView::HandleKeystroke(views::Textfield* sender,
+    const views::Textfield::Keystroke& keystroke) {
+  return false;
+}
+
+void CaptchaView::OnImageDecoded(const SkBitmap& decoded_image) {
+  captcha_image_->SetImage(decoded_image);
+  SchedulePaint();
+  Layout();
+}
+
+void CaptchaView::Init() {
+  views::GridLayout* layout = CreatePanelGridLayout(this);
+  SetLayoutManager(layout);
+
+  int column_view_set_id = 0;
+  views::ColumnSet* column_set = layout->AddColumnSet(column_view_set_id);
+  column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
+                        views::GridLayout::USE_PREF, 0, 0);
+  layout->StartRow(0, column_view_set_id);
+  Label* label =
+      new views::Label(l10n_util::GetString(IDS_LOGIN_CAPTCHA_INSTRUCTIONS));
+  label->SetMultiLine(true);
+  layout->AddView(label);
+  layout->AddPaddingRow(0, kRelatedControlVerticalSpacing);
+
+  layout->StartRow(0, column_view_set_id);
+  captcha_image_ = new views::ImageView();
+  layout->AddView(captcha_image_);
+  layout->AddPaddingRow(0, kRelatedControlVerticalSpacing);
+
+  layout->StartRow(0, column_view_set_id);
+  captcha_textfield_ = new views::Textfield(
+      views::Textfield::STYLE_DEFAULT);
+  captcha_textfield_->SetController(this);
+  layout->AddView(captcha_textfield_);
+  layout->AddPaddingRow(0, kRelatedControlVerticalSpacing);
+
+  layout->StartRow(0, column_view_set_id);
+  label = new views::Label(
+      l10n_util::GetString(IDS_SYNC_GAIA_CAPTCHA_CASE_INSENSITIVE_TIP));
+  label->SetMultiLine(true);
+  layout->AddView(label);
+  layout->AddPaddingRow(0, kRelatedControlVerticalSpacing);
+
+  captcha_textfield_->RequestFocus();
+
+  // ImageDownloader will disable itself once URL is fetched.
+  new ImageDownloader(this, GURL(captcha_url_), std::string());
+}
+
+}  // namespace chromeos