Add a simple browser UI (with url bar)

mandoline/ui/browser/desktop/desktop_ui.cc

Index: mandoline/ui/browser/desktop/desktop_ui.cc
diff --git a/mandoline/ui/browser/desktop/desktop_ui.cc b/mandoline/ui/browser/desktop/desktop_ui.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d2fc9278cb768ab8b33d56719df12e3e95f1c964
--- /dev/null
+++ b/mandoline/ui/browser/desktop/desktop_ui.cc
@@ -0,0 +1,99 @@
+// 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/browser/desktop/desktop_ui.h"
+
+#include "base/strings/string16.h"
+#include "mandoline/ui/aura/native_widget_view_manager.h"
+#include "mandoline/ui/browser/browser.h"
+#include "mojo/common/common_type_converters.h"
+#include "mojo/converters/geometry/geometry_type_converters.h"
+#include "ui/views/background.h"
+#include "ui/views/controls/textfield/textfield.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace mandoline {
+
+////////////////////////////////////////////////////////////////////////////////
+// DesktopUI, public:
+
+DesktopUI::DesktopUI(Browser* browser, mojo::Shell* shell)
+    : browser_(browser),
+      shell_(shell),
+      omnibox_(new views::Textfield),
+      root_(nullptr),
+      content_(nullptr) {
+  omnibox_->set_controller(this);
+}
+
+DesktopUI::~DesktopUI() {}
+
+////////////////////////////////////////////////////////////////////////////////
+// DesktopUI, BrowserUI implementation:
+
+void DesktopUI::Init(mojo::View* root, mojo::View* content) {
+  root_ = root;
+  content_ = content;
+
+  views::WidgetDelegateView* widget_delegate = new views::WidgetDelegateView;
+  widget_delegate->GetContentsView()->set_background(
+    views::Background::CreateSolidBackground(0xFFDDDDDD));
+  widget_delegate->GetContentsView()->AddChildView(omnibox_);
+  widget_delegate->GetContentsView()->SetLayoutManager(this);
+
+  views::Widget* widget = new views::Widget;
+  views::Widget::InitParams params(
+      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+  params.native_widget = new NativeWidgetViewManager(widget, shell_, root_);
+  params.delegate = widget_delegate;
+  params.bounds = root_->bounds().To<gfx::Rect>();
+  widget->Init(params);
+  widget->Show();
+  root_->SetFocus();
+  omnibox_->RequestFocus();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DesktopUI, views::LayoutManager implementation:
+
+gfx::Size DesktopUI::GetPreferredSize(const views::View* view) const {
+  return gfx::Size();
+}
+
+void DesktopUI::Layout(views::View* host) {
+  gfx::Rect omnibox_bounds = host->bounds();
+  omnibox_bounds.Inset(10, 10, 10, host->bounds().height() - 40);
+  omnibox_->SetBoundsRect(omnibox_bounds);
+
+  mojo::Rect content_bounds_mojo;
+  content_bounds_mojo.x = omnibox_bounds.x();
+  content_bounds_mojo.y = omnibox_bounds.bottom() + 10;
+  content_bounds_mojo.width = omnibox_bounds.width();
+  content_bounds_mojo.height =
+      host->bounds().height() - content_bounds_mojo.y - 10;
+  content_->SetBounds(content_bounds_mojo);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DesktopUI, views::TextfieldController implementation:
+
+bool DesktopUI::HandleKeyEvent(views::Textfield* sender,
+                               const ui::KeyEvent& key_event) {
+  if (key_event.key_code() == ui::VKEY_RETURN) {
+    browser_->ReplaceContentWithURL(
+        mojo::String::From<base::string16>(sender->text()));
+    return true;
+  }
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserUI, public:
+
+// static
+BrowserUI* BrowserUI::Create(Browser* browser, mojo::Shell* shell) {
+  return new DesktopUI(browser, shell);
+}
+
+}  // namespace mandoline