Refactor the implementation of InputWindowDialog.

chrome/browser/views/input_window_dialog_win.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/views/input_window_dialog_win.h"
+
+#include "app/l10n_util.h"
+#include "base/compiler_specific.h"
+#include "base/message_loop.h"
+#include "views/grid_layout.h"
+#include "views/standard_layout.h"
+#include "grit/generated_resources.h"
+
+// Width to make the text field, in pixels.
+static const int kTextfieldWidth = 200;
+
+InputWindowDialogWin::InputWindowDialogWin(gfx::NativeWindow parent,
+                                           const std::wstring& window_title,
+                                           const std::wstring& label,
+                                           const std::wstring& contents,
+                                           Delegate* delegate)
+    : window_title_(window_title),
+      label_(label),
+      contents_(contents),
+      delegate_(delegate) {
+  window_ = views::Window::CreateChromeWindow(parent, gfx::Rect(),
+                                              new ContentView(this));
+  window_->GetClientView()->AsDialogClientView()->UpdateDialogButtons();
+}
+
+InputWindowDialogWin::~InputWindowDialogWin() {
+}
+
+void InputWindowDialogWin::Show() {
+  window_->Show();
+}
+
+void InputWindowDialogWin::Close() {
+  window_->Close();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// ContentView, views::DialogDelegate implementation:
+
+bool ContentView::IsDialogButtonEnabled(
+    MessageBoxFlags::DialogButton button) const {
+  if (button == MessageBoxFlags::DIALOGBUTTON_OK &&
+      !delegate_->delegate()->IsValid(text_field_->text())) {
+    return false;
+  }
+  return true;
+}
+
+bool ContentView::Accept() {
+  delegate_->delegate()->InputAccepted(text_field_->text());
+  return true;
+}
+
+bool ContentView::Cancel() {
+  delegate_->delegate()->InputCanceled();
+  return true;
+}
+
+std::wstring ContentView::GetWindowTitle() const {
+  return delegate_->window_title();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// ContentView, views::Textfield::Controller implementation:
+
+void ContentView::ContentsChanged(views::Textfield* sender,
+                                  const std::wstring& new_contents) {
+  GetDialogClientView()->UpdateDialogButtons();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// ContentView, protected:
+
+void ContentView::ViewHierarchyChanged(bool is_add,
+                                       views::View* parent,
+                                       views::View* child) {
+  if (is_add && child == this)
+    InitControlLayout();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// ContentView, private:
+
+void ContentView::InitControlLayout() {
+  text_field_ = new views::Textfield;
+  text_field_->SetText(delegate_->contents());
+  text_field_->SetController(this);
+
+  using views::ColumnSet;
+  using views::GridLayout;
+
+  // TODO(sky): Vertical alignment should be baseline.
+  GridLayout* layout = CreatePanelGridLayout(this);
+  SetLayoutManager(layout);
+
+  ColumnSet* c1 = layout->AddColumnSet(0);
+  c1->AddColumn(GridLayout::CENTER, GridLayout::CENTER, 0,
+                GridLayout::USE_PREF, 0, 0);
+  c1->AddPaddingColumn(0, kRelatedControlHorizontalSpacing);
+  c1->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
+                GridLayout::USE_PREF, kTextfieldWidth, kTextfieldWidth);
+
+  layout->StartRow(0, 0);
+  views::Label* label = new views::Label(delegate_->label());
+  layout->AddView(label);
+  layout->AddView(text_field_);
+
+  MessageLoop::current()->PostTask(FROM_HERE,
+      focus_grabber_factory_.NewRunnableMethod(
+          &ContentView::FocusFirstFocusableControl));
+}
+
+void ContentView::FocusFirstFocusableControl() {
+  text_field_->SelectAll();
+  text_field_->RequestFocus();
+}
+
+// static
+InputWindowDialog* InputWindowDialog::Create(HWND parent,
+                                             const std::wstring& window_title,
+                                             const std::wstring& label,
+                                             const std::wstring& contents,
+                                             Delegate* delegate) {
+  return new InputWindowDialogWin(parent,
+                                  window_title,
+                                  label,
+                                  contents,
+                                  delegate);
+}
+