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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/views_delegate.h"
#include <utility>
#include "base/command_line.h"
#include "build/build_config.h"
#include "ui/accessibility/accessibility_features.h"
#include "ui/base/mojom/window_show_state.mojom.h"
#include "ui/views/widget/native_widget_private.h"
#if defined(USE_AURA)
#include "ui/views/accessibility/tree/browser_views_ax_manager.h"
#include "ui/views/touchui/touch_selection_menu_runner_views.h"
#endif
namespace views {
namespace {
ViewsDelegate* views_delegate = nullptr;
} // namespace
ViewsDelegate::ViewsDelegate() {
DCHECK(!views_delegate);
views_delegate = this;
#if BUILDFLAG(ENABLE_DESKTOP_AURA) || BUILDFLAG(IS_CHROMEOS)
// TouchSelectionMenuRunnerViews is not supported on Mac or Cast.
// It is also not used on Ash (the ChromeViewsDelegate() for Ash will
// immediately replace this). But tests running without the Chrome layer
// will not get the replacement.
touch_selection_menu_runner_ =
std::make_unique<TouchSelectionMenuRunnerViews>();
#endif
}
ViewsDelegate::~ViewsDelegate() {
DCHECK_EQ(this, views_delegate);
views_delegate = nullptr;
}
ViewsDelegate* ViewsDelegate::GetInstance() {
return views_delegate;
}
void ViewsDelegate::SaveWindowPlacement(const Widget* widget,
const std::string& window_name,
const gfx::Rect& bounds,
ui::mojom::WindowShowState show_state) {
}
bool ViewsDelegate::GetSavedWindowPlacement(
const Widget* widget,
const std::string& window_name,
gfx::Rect* bounds,
ui::mojom::WindowShowState* show_state) const {
return false;
}
void ViewsDelegate::NotifyMenuItemFocused(const std::u16string& menu_name,
const std::u16string& menu_item_name,
int item_index,
int item_count,
bool has_submenu) {}
ViewsDelegate::ProcessMenuAcceleratorResult
ViewsDelegate::ProcessAcceleratorWhileMenuShowing(
const ui::Accelerator& accelerator) {
return ProcessMenuAcceleratorResult::LEAVE_MENU_OPEN;
}
bool ViewsDelegate::ShouldCloseMenuIfMouseCaptureLost() const {
return true;
}
#if BUILDFLAG(IS_WIN)
HICON ViewsDelegate::GetDefaultWindowIcon() const {
return nullptr;
}
HICON ViewsDelegate::GetSmallWindowIcon() const {
return nullptr;
}
bool ViewsDelegate::IsWindowInMetro(gfx::NativeWindow window) const {
return false;
}
#elif BUILDFLAG(ENABLE_DESKTOP_AURA) && \
(BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS))
gfx::ImageSkia* ViewsDelegate::GetDefaultWindowIcon() const {
return nullptr;
}
#endif
std::unique_ptr<NonClientFrameView>
ViewsDelegate::CreateDefaultNonClientFrameView(Widget* widget) {
return nullptr;
}
bool ViewsDelegate::IsShuttingDown() const {
return false;
}
void ViewsDelegate::AddRef() {}
void ViewsDelegate::ReleaseRef() {}
void ViewsDelegate::OnBeforeWidgetInit(
Widget::InitParams* params,
internal::NativeWidgetDelegate* delegate) {}
bool ViewsDelegate::WindowManagerProvidesTitleBar(bool maximized) {
return false;
}
void ViewsDelegate::InitializeViewsAXManager() {
#if BUILDFLAG(ENABLE_DESKTOP_AURA)
if (::features::IsAccessibilityTreeForViewsEnabled() &&
!browser_views_ax_manager_handle_) {
browser_views_ax_manager_handle_ = views::BrowserViewsAXManager::Create();
}
#endif
}
#if BUILDFLAG(IS_MAC)
ui::ContextFactory* ViewsDelegate::GetContextFactory() {
return nullptr;
}
#endif
std::string ViewsDelegate::GetApplicationName() {
base::FilePath program = base::CommandLine::ForCurrentProcess()->GetProgram();
return program.BaseName().AsUTF8Unsafe();
}
#if BUILDFLAG(IS_WIN)
int ViewsDelegate::GetAppbarAutohideEdges(HMONITOR monitor,
base::OnceClosure callback) {
return EDGE_BOTTOM;
}
#endif
#if defined(USE_AURA)
void ViewsDelegate::SetTouchSelectionMenuRunner(
std::unique_ptr<TouchSelectionMenuRunnerViews> menu_runner) {
touch_selection_menu_runner_ = std::move(menu_runner);
}
#endif
} // namespace views
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