aura: Add X11 host window management.

ash/hostwm/host_window_container.cc

+// Copyright (c) 2012 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 "ash/hostwm/host_window_container.h"
+#include "ash/wm/property_util.h"
+#include "base/utf_string_conversions.h"
+#include "ui/aura/hostwm/host_window_delegate.h"
+#include "ui/aura/window.h"
+#include "ui/gfx/canvas.h"
+#include "ui/views/widget/widget.h"
+
+namespace ash {
+namespace internal {
+
+class HostWindowWidget : public views::Widget {
+ public:
+  explicit HostWindowWidget(views::Widget* client_widget)
+      : client_widget_(client_widget) {
+  }
+
+  virtual bool OnKeyEvent(const views::KeyEvent& event) OVERRIDE {
+    return false;
+  }
+
+  virtual void Close() OVERRIDE {
+    aura::HostWindowDelegate* delegate = aura::GetHostWindowDelegate(
+        client_widget_->GetNativeWindow());
+    if (delegate) {
+      delegate->CloseWindow();
+      return;
+    }
+    Widget::Close();
+  }
+
+ private:
+  views::Widget* client_widget_;
+};
+
+views::Widget* HostWindowContainer::CreateHostWindowContainerWidget(
+    views::Widget* client_widget,
+    const gfx::Rect& bounds,
+    views::Widget::InitParams::Type type) {
+  HostWindowWidget* widget = new HostWindowWidget(client_widget);
+  views::Widget::InitParams params(type);
+  params.delegate = new HostWindowContainer(client_widget);
+  params.parent = NULL;
+  params.bounds = bounds;
+  widget->Init(params);
+  widget->GetNativeView()->SetName("HostWindowContainer");
+  SetPersistsAcrossAllWorkspaces(
+      widget->GetNativeView(),
+      WINDOW_PERSISTS_ACROSS_ALL_WORKSPACES_VALUE_YES);
+  widget->GetNativeView()->AddChild(client_widget->GetNativeView());
+  return widget;
+}
+
+HostWindowContainer::HostWindowContainer(views::Widget* client_widget)
+    : client_widget_(client_widget) {
+}
+
+HostWindowContainer::~HostWindowContainer() {
+}
+
+void HostWindowContainer::OnPaint(gfx::Canvas* canvas) {
+  canvas->FillRect(GetLocalBounds(), SK_ColorDKGRAY);
+}
+
+gfx::Size HostWindowContainer::GetPreferredSize() {
+  // TODO(reveman): depends on host window state
+  return gfx::Size(1, 1);
+}
+
+void HostWindowContainer::Layout() {
+  client_widget_->SetBounds(
+      gfx::Rect(gfx::Point(client_widget_->GetNativeView()->bounds().origin()),
+                gfx::Size(width(), height())));
+}
+
+string16 HostWindowContainer::GetWindowTitle() const {
+  // TODO(danakj): return the real title
+  return ASCIIToUTF16("");
+}
+
+views::View* HostWindowContainer::GetContentsView() {
+  return this;
+}
+
+bool HostWindowContainer::CanResize() const {
+  aura::HostWindowDelegate* delegate = aura::GetHostWindowDelegate(
+      client_widget_->GetNativeWindow());
+  if (delegate)
+    return delegate->CanResize();
+
+  return false;
+}
+
+bool HostWindowContainer::CanMaximize() const {
+  // TODO(danakj): depends on host window state
+  return false;
+}
+
+void HostWindowContainer::DeleteDelegate() {
+  delete this;
+}
+
+}  // namespace internal
+}  // namespace ash