Add unittests of ArcCustomNotificationView

components/exo/notification_surface.cc

Index: components/exo/notification_surface.cc
diff --git a/components/exo/notification_surface.cc b/components/exo/notification_surface.cc
deleted file mode 100644
index 2b66eddec42a682b6ff7382bd21e5ac9208e0ef2..0000000000000000000000000000000000000000
--- a/components/exo/notification_surface.cc
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2016 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 "components/exo/notification_surface.h"
-
-#include "components/exo/notification_surface_manager.h"
-#include "components/exo/surface.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_delegate.h"
-#include "ui/base/cursor/cursor.h"
-#include "ui/base/hit_test.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/views/widget/widget.h"
-
-namespace exo {
-
-namespace {
-
-class CustomWindowDelegate : public aura::WindowDelegate {
- public:
-  explicit CustomWindowDelegate(Surface* surface) : surface_(surface) {}
-  ~CustomWindowDelegate() override {}
-
-  // Overridden from aura::WindowDelegate:
-  gfx::Size GetMinimumSize() const override { return gfx::Size(); }
-  gfx::Size GetMaximumSize() const override { return gfx::Size(); }
-  void OnBoundsChanged(const gfx::Rect& old_bounds,
-                       const gfx::Rect& new_bounds) override {}
-  gfx::NativeCursor GetCursor(const gfx::Point& point) override {
-    return surface_->GetCursor();
-  }
-  int GetNonClientComponent(const gfx::Point& point) const override {
-    return HTNOWHERE;
-  }
-  bool ShouldDescendIntoChildForEventHandling(
-      aura::Window* child,
-      const gfx::Point& location) override {
-    return true;
-  }
-  bool CanFocus() override { return true; }
-  void OnCaptureLost() override {}
-  void OnPaint(const ui::PaintContext& context) override {}
-  void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
-  void OnWindowDestroying(aura::Window* window) override {}
-  void OnWindowDestroyed(aura::Window* window) override { delete this; }
-  void OnWindowTargetVisibilityChanged(bool visible) override {}
-  bool HasHitTestMask() const override { return surface_->HasHitTestMask(); }
-  void GetHitTestMask(gfx::Path* mask) const override {
-    surface_->GetHitTestMask(mask);
-  }
-  void OnKeyEvent(ui::KeyEvent* event) override {
-    // Propagates the key event upto the top-level views Widget so that we can
-    // trigger proper events in the views/ash level there. Event handling for
-    // Surfaces is done in a post event handler in keyboard.cc.
-    views::Widget* widget =
-        views::Widget::GetTopLevelWidgetForNativeView(surface_->window());
-    if (widget)
-      widget->OnKeyEvent(event);
-  }
-
- private:
-  Surface* const surface_;
-
-  DISALLOW_COPY_AND_ASSIGN(CustomWindowDelegate);
-};
-
-}  // namespace
-
-NotificationSurface::NotificationSurface(NotificationSurfaceManager* manager,
-                                         Surface* surface,
-                                         const std::string& notification_id)
-    : manager_(manager),
-      surface_(surface),
-      notification_id_(notification_id),
-      window_(new aura::Window(new CustomWindowDelegate(surface))) {
-  surface_->SetSurfaceDelegate(this);
-  surface_->AddSurfaceObserver(this);
-
-  window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
-  window_->SetName("ExoNotificationSurface");
-  window_->Init(ui::LAYER_NOT_DRAWN);
-  window_->set_owned_by_parent(false);
-
-  // TODO(xiyuan): Fix after Surface no longer has an aura::Window.
-  window_->AddChild(surface_->window());
-  surface_->window()->Show();
-}
-
-NotificationSurface::~NotificationSurface() {
-  if (surface_) {
-    surface_->SetSurfaceDelegate(nullptr);
-    surface_->RemoveSurfaceObserver(this);
-  }
-  if (added_to_manager_)
-    manager_->RemoveSurface(this);
-}
-
-gfx::Size NotificationSurface::GetSize() const {
-  return surface_->content_size();
-}
-
-void NotificationSurface::OnSurfaceCommit() {
-  surface_->CheckIfSurfaceHierarchyNeedsCommitToNewSurfaces();
-  surface_->CommitSurfaceHierarchy();
-
-  gfx::Rect bounds = window_->bounds();
-  if (bounds.size() != surface_->content_size()) {
-    bounds.set_size(surface_->content_size());
-    window_->SetBounds(bounds);
-  }
-
-  // Defer AddSurface until there are contents to show.
-  if (!added_to_manager_ && !surface_->content_size().IsEmpty()) {
-    added_to_manager_ = true;
-    manager_->AddSurface(this);
-  }
-}
-
-bool NotificationSurface::IsSurfaceSynchronized() const {
-  return false;
-}
-
-void NotificationSurface::OnSurfaceDestroying(Surface* surface) {
-  window_.reset();
-  surface->RemoveSurfaceObserver(this);
-  surface_ = nullptr;
-}
-
-}  // namespace exo