mandoline: Add find in page.

mandoline/ui/desktop_ui/find_bar_view.cc

+// Copyright 2015 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 "mandoline/ui/desktop_ui/find_bar_view.h"
+
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "mandoline/ui/desktop_ui/find_bar_delegate.h"
+#include "ui/views/controls/label.h"
+#include "ui/views/controls/textfield/textfield.h"
+#include "ui/views/layout/box_layout.h"
+
+namespace mandoline {
+
+FindBarView::FindBarView(FindBarDelegate* delegate)
+    : delegate_(delegate),
+      layout_(new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 5)),
+      text_field_(new views::Textfield),
+      match_count_label_(new views::Label),
+      close_button_(new views::LabelButton(this, base::ASCIIToUTF16("Close"))) {
+  SetLayoutManager(layout_);
+
+  text_field_->set_controller(this);
+
+  AddChildView(text_field_);
+  AddChildView(match_count_label_);
+  AddChildView(close_button_);
+
+  layout_->SetDefaultFlex(0);
+  layout_->SetFlexForView(text_field_, 1);
+
+  SetVisible(false);
+  SetMatchLabel(0, 0);
+}
+
+FindBarView::~FindBarView() {}
+
+void FindBarView::Show() {
+  SetVisible(true);
+  text_field_->RequestFocus();
+}
+
+void FindBarView::Hide() {
+  SetVisible(false);
+}
+
+void FindBarView::SetMatchLabel(int result, int total) {
+  std::string str = base::StringPrintf("%d of %d", result, total);
+  match_count_label_->SetVisible(true);
+  match_count_label_->SetText(base::UTF8ToUTF16(str));
+  Layout();
+}
+
+void FindBarView::ContentsChanged(views::Textfield* sender,
+                                  const base::string16& new_contents) {
+  std::string contents = base::UTF16ToUTF8(new_contents);
+  delegate_->OnDoFind(contents);
+}
+
+void FindBarView::ButtonPressed(views::Button* sender, const ui::Event& event) {
+  if (sender == close_button_)
+    delegate_->OnHideFindBar();
+  else
+    NOTREACHED();
+}
+
+}  // namespace mandoline