chore: rename atom -> electron (#21986)

shell/browser/ui/views/electron_views_delegate.cc

@@ -0,0 +1,100 @@
+// Copyright (c) 2014 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-CHROMIUM file.
+
+#include "shell/browser/ui/views/electron_views_delegate.h"
+
+#include <memory>
+
+#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
+#include "ui/views/widget/native_widget_aura.h"
+
+#if defined(OS_LINUX)
+#include "base/environment.h"
+#include "base/nix/xdg_util.h"
+#include "ui/views/linux_ui/linux_ui.h"
+#endif
+
+namespace {
+
+#if defined(OS_LINUX)
+bool IsDesktopEnvironmentUnity() {
+  std::unique_ptr<base::Environment> env(base::Environment::Create());
+  base::nix::DesktopEnvironment desktop_env =
+      base::nix::GetDesktopEnvironment(env.get());
+  return desktop_env == base::nix::DESKTOP_ENVIRONMENT_UNITY;
+}
+#endif
+
+}  // namespace
+
+namespace electron {
+
+ViewsDelegate::ViewsDelegate() = default;
+
+ViewsDelegate::~ViewsDelegate() = default;
+
+void ViewsDelegate::SaveWindowPlacement(const views::Widget* window,
+                                        const std::string& window_name,
+                                        const gfx::Rect& bounds,
+                                        ui::WindowShowState show_state) {}
+
+bool ViewsDelegate::GetSavedWindowPlacement(
+    const views::Widget* widget,
+    const std::string& window_name,
+    gfx::Rect* bounds,
+    ui::WindowShowState* show_state) const {
+  return false;
+}
+
+void ViewsDelegate::NotifyMenuItemFocused(const base::string16& menu_name,
+                                          const base::string16& menu_item_name,
+                                          int item_index,
+                                          int item_count,
+                                          bool has_submenu) {}
+
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+gfx::ImageSkia* ViewsDelegate::GetDefaultWindowIcon() const {
+  return nullptr;
+}
+#endif
+
+views::NonClientFrameView* ViewsDelegate::CreateDefaultNonClientFrameView(
+    views::Widget* widget) {
+  return nullptr;
+}
+
+void ViewsDelegate::AddRef() {}
+
+void ViewsDelegate::ReleaseRef() {}
+
+void ViewsDelegate::OnBeforeWidgetInit(
+    views::Widget::InitParams* params,
+    views::internal::NativeWidgetDelegate* delegate) {
+  // If we already have a native_widget, we don't have to try to come
+  // up with one.
+  if (params->native_widget)
+    return;
+
+  if (params->parent && params->type != views::Widget::InitParams::TYPE_MENU &&
+      params->type != views::Widget::InitParams::TYPE_TOOLTIP) {
+    params->native_widget = new views::NativeWidgetAura(delegate);
+  } else {
+    params->native_widget = new views::DesktopNativeWidgetAura(delegate);
+  }
+}
+
+bool ViewsDelegate::WindowManagerProvidesTitleBar(bool maximized) {
+#if defined(OS_LINUX)
+  // On Ubuntu Unity, the system always provides a title bar for maximized
+  // windows.
+  if (!maximized)
+    return false;
+  static bool is_desktop_environment_unity = IsDesktopEnvironmentUnity();
+  return is_desktop_environment_unity;
+#else
+  return false;
+#endif
+}
+
+}  // namespace electron