Create a unified UIElement interface for Widget, View and Window.

ash/common/devtools/window_element.cc

Index: ash/common/devtools/window_element.cc
diff --git a/ash/common/devtools/window_element.cc b/ash/common/devtools/window_element.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8630375157a1e3ea68e03961b4e6ae69939f38f7
--- /dev/null
+++ b/ash/common/devtools/window_element.cc
@@ -0,0 +1,75 @@
+// Copyright 2017 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/common/devtools/window_element.h"
+#include "ash/common/devtools/widget_element.h"
+
+#include "ui/aura/window.h"
+
+namespace ash {
+namespace devtools {
+
+// Handles removing windows.
+void WindowElement::OnWindowHierarchyChanging(
+    const aura::WindowObserver::HierarchyChangeParams& params) {
+  DomAgentDelegate()->NotifyOnWindowHierarchyChanging(params);
+}
+
+// Handles adding windows.
+void WindowElement::OnWindowHierarchyChanged(
+    const aura::WindowObserver::HierarchyChangeParams& params) {
+  DomAgentDelegate()->NotifyOnWindowHierarchyChanged(params);
+}
+
+void WindowElement::OnWindowStackingChanged(aura::Window* window) {
+  DomAgentDelegate()->NotifyRemoveWindowTree(WmWindow::Get(window), false);
+  DomAgentDelegate()->NotifyAddWindowTree(WmWindow::Get(window));
+}
+
+void WindowElement::OnWindowBoundsChanged(aura::Window* window,
+                                          const gfx::Rect& old_bounds,
+                                          const gfx::Rect& new_bounds) {
+  LOG(ERROR) << "WindowElement::OnWindowBoundsChanged --------------";
+  DomAgentDelegate()->NotfiyOnWindowBoundsChanged(WmWindow::Get(window));
+}
+
+bool WindowElement::GetBounds(gfx::Rect* bounds) {
+  if (window) {
+    *bounds = window->GetBounds();
+    return true;
+  }
+  return false;
+}
+
+bool WindowElement::SetBounds(const gfx::Rect& bounds) {
+  if (window) {
+    window->SetBounds(bounds);
+    return true;
+  }
+  return false;
+}
+
+bool WindowElement::GetVisible(bool* visible) {
+  if (window) {
+    *visible = window->IsVisible();
+    return true;
+  }
+  return false;
+}
+
+bool WindowElement::SetVisible(bool visible) {
+  if (window) {
+    if (visible != window->IsVisible()) {
+      if (visible)
+        window->Show();
+      else
+        window->Hide();
+    }
+    return true;
+  }
+  return false;
+}
+
+}  // namespace devtools
+}  // namespace ash