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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
#define CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
#include <map>
#include <memory>
#include <string>
#include "base/functional/callback.h"
#include "build/build_config.h"
#include "ui/base/mojom/window_show_state.mojom-forward.h"
#include "ui/views/views_delegate.h"
class Profile;
class ScopedKeepAlive;
class ScopedProfileKeepAlive;
class ChromeViewsDelegate : public views::ViewsDelegate {
public:
ChromeViewsDelegate();
ChromeViewsDelegate(const ChromeViewsDelegate&) = delete;
ChromeViewsDelegate& operator=(const ChromeViewsDelegate&) = delete;
~ChromeViewsDelegate() override;
// views::ViewsDelegate:
void SaveWindowPlacement(const views::Widget* window,
const std::string& window_name,
const gfx::Rect& bounds,
ui::mojom::WindowShowState show_state) override;
bool GetSavedWindowPlacement(
const views::Widget* widget,
const std::string& window_name,
gfx::Rect* bounds,
ui::mojom::WindowShowState* show_state) const override;
#if BUILDFLAG(IS_CHROMEOS)
ProcessMenuAcceleratorResult ProcessAcceleratorWhileMenuShowing(
const ui::Accelerator& accelerator) override;
bool ShouldCloseMenuIfMouseCaptureLost() const override;
std::unique_ptr<views::NonClientFrameView> CreateDefaultNonClientFrameView(
views::Widget* widget) override;
#endif
#if BUILDFLAG(IS_WIN)
HICON GetDefaultWindowIcon() const override;
HICON GetSmallWindowIcon() const override;
int GetAppbarAutohideEdges(HMONITOR monitor,
base::OnceClosure callback) override;
#endif
#if BUILDFLAG(IS_LINUX)
bool WindowManagerProvidesTitleBar(bool maximized) override;
gfx::ImageSkia* GetDefaultWindowIcon() const override;
#endif
void AddRef() override;
void ReleaseRef() override;
bool IsShuttingDown() const override;
void OnBeforeWidgetInit(
views::Widget::InitParams* params,
views::internal::NativeWidgetDelegate* delegate) override;
#if BUILDFLAG(IS_MAC)
ui::ContextFactory* GetContextFactory() override;
#endif
std::string GetApplicationName() override;
private:
#if BUILDFLAG(IS_WIN)
typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
// Callback on main thread with the edges. |returned_edges| is the value that
// was returned from the call to GetAutohideEdges() that initiated the lookup.
void OnGotAppbarAutohideEdges(base::OnceClosure callback,
HMONITOR monitor,
int returned_edges,
int edges);
#endif
#if BUILDFLAG(IS_CHROMEOS)
// Called from GetSavedWindowPlacement() on ChromeOS to adjust the bounds.
void AdjustSavedWindowPlacementChromeOS(const views::Widget* widget,
gfx::Rect* bounds) const;
#endif
views::NativeWidget* CreateNativeWidget(
views::Widget::InitParams* params,
views::internal::NativeWidgetDelegate* delegate);
// |ChromeViewsDelegate| exposes a |RefCounted|-like interface, but //chrome
// uses |ScopedKeepAlive|s to manage lifetime. We manage an internal counter
// to do that translation.
unsigned int ref_count_ = 0u;
// Prevents BrowserProcess teardown while |ref_count_| is non-zero.
std::unique_ptr<ScopedKeepAlive> keep_alive_;
// Prevents Profile* deletion while |ref_count_| is non-zero. See the
// DestroyProfileOnBrowserClose flag.
std::map<Profile*, std::unique_ptr<ScopedProfileKeepAlive>>
profile_keep_alives_;
#if BUILDFLAG(IS_WIN)
AppbarAutohideEdgeMap appbar_autohide_edge_map_;
// If true we're in the process of notifying a callback from
// GetAutohideEdges().start a new query.
bool in_autohide_edges_callback_ = false;
base::WeakPtrFactory<ChromeViewsDelegate> weak_factory_{this};
#endif
};
#endif // CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
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