Wayland support for views. views_desktop on Wayland.

views/controls/native_control_wayland.cc

+// Copyright (c) 2011 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 "views/controls/native_control_wayland.h"
+
+#include "base/logging.h"
+#include "ui/base/accessibility/accessibility_types.h"
+#include "ui/wayland/wayland_widget.h"
+#include "views/focus/focus_manager.h"
+#include "views/widget/widget.h"
+
+
+namespace views {
+
+#if defined(TOUCH_UI)
+void NativeControlWayland::FakeNativeMouseEvent(const MouseEvent& mouseev) {
+  NOTIMPLEMENTED();
+}
+#endif  // defined(TOUCH_UI)
+
+NativeControlWayland::NativeControlWayland() {
+}
+
+NativeControlWayland::~NativeControlWayland() {
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeControlWayland, View overrides:
+
+void NativeControlWayland::OnEnabledChanged() {
+  View::OnEnabledChanged();
+  NOTIMPLEMENTED();
+}
+
+void NativeControlWayland::ViewHierarchyChanged(bool is_add, View* parent,
+                                                View* child) {
+  // Call the base class to hide the view if we're being removed.
+  NativeViewHost::ViewHierarchyChanged(is_add, parent, child);
+
+  if (!is_add && child == this && native_view()) {
+    Detach();
+  } else if (is_add && GetWidget() && !native_view()) {
+    // Create the widget when we're added to a valid Widget. Many
+    // controls need a parent widget to function properly.
+    CreateNativeControl();
+  }
+}
+
+void NativeControlWayland::VisibilityChanged(View* starting_from,
+                                             bool is_visible) {
+  if (!is_visible) {
+    if (native_view()) {
+      // We destroy the child widget when we become invisible because of the
+      // performance cost of maintaining widgets that aren't currently needed.
+      Detach();
+      // Make sure that Detach destroyed the widget.
+      DCHECK(!native_view());
+    }
+  } else if (!native_view()) {
+    if (GetWidget())
+      CreateNativeControl();
+  } else {
+    // The view becomes visible after native control is created.
+    // Layout now.
+    Layout();
+  }
+}
+
+void NativeControlWayland::OnFocus() {
+  DCHECK(native_view());
+  NOTIMPLEMENTED();
+}
+
+#if defined(TOUCH_UI)
+bool NativeControlWayland::OnMousePressed(const MouseEvent& mouseev) {
+  FakeNativeMouseEvent(mouseev);
+  return true;
+}
+
+void NativeControlWayland::OnMouseReleased(const MouseEvent& mouseev) {
+  FakeNativeMouseEvent(mouseev);
+}
+
+void NativeControlWayland::OnMouseMoved(const MouseEvent& mouseev) {
+  FakeNativeMouseEvent(mouseev);
+}
+
+void NativeControlWayland::OnMouseEntered(const MouseEvent& mouseev) {
+  FakeNativeMouseEvent(mouseev);
+}
+
+void NativeControlWayland::OnMouseExited(const MouseEvent& mouseev) {
+  FakeNativeMouseEvent(mouseev);
+}
+#endif  // defined(TOUCH_UI)
+
+void NativeControlWayland::NativeControlCreated(
+    ui::WaylandWidget* native_control) {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace views