// 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_FRAME_BROWSER_FRAME_VIEW_WIN_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_VIEW_WIN_H_
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/win/scoped_gdi_object.h"
#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
#include "chrome/browser/ui/views/frame/windows_caption_button.h"
#include "chrome/browser/ui/views/tab_icon_view.h"
#include "chrome/browser/ui/views/tab_icon_view_model.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/pointer/touch_ui_controller.h"
#include "ui/views/window/non_client_view.h"
class BrowserView;
class BrowserCaptionButtonContainer;
class BrowserFrameViewWin : public BrowserNonClientFrameView,
public TabIconViewModel {
METADATA_HEADER(BrowserFrameViewWin, BrowserNonClientFrameView)
public:
// Constructs a non-client view for an BrowserFrame.
BrowserFrameViewWin(BrowserFrame* frame, BrowserView* browser_view);
BrowserFrameViewWin(const BrowserFrameViewWin&) = delete;
BrowserFrameViewWin& operator=(const BrowserFrameViewWin&) = delete;
~BrowserFrameViewWin() override;
// BrowserNonClientFrameView:
bool CaptionButtonsOnLeadingEdge() const override;
gfx::Rect GetBoundsForTabStripRegion(
const gfx::Size& tabstrip_minimum_size) const override;
gfx::Rect GetBoundsForWebAppFrameToolbar(
const gfx::Size& toolbar_preferred_size) const override;
void LayoutWebAppWindowTitle(const gfx::Rect& available_space,
views::Label& window_title_label) const override;
int GetTopInset(bool restored) const override;
bool HasVisibleBackgroundTabShapes(
BrowserFrameActiveState active_state) const override;
SkColor GetCaptionColor(BrowserFrameActiveState active_state) const override;
void UpdateThrobber(bool running) override;
gfx::Size GetMinimumSize() const override;
void WindowControlsOverlayEnabledChanged() override;
// views::NonClientFrameView:
gfx::Rect GetBoundsForClientView() const override;
gfx::Rect GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) const override;
int NonClientHitTest(const gfx::Point& point) override;
void UpdateWindowIcon() override;
void UpdateWindowTitle() override;
void ResetWindowControls() override;
void OnThemeChanged() override;
// TabIconViewModel:
bool ShouldTabIconViewAnimate() const override;
ui::ImageModel GetFaviconForTabIconView() override;
bool IsMaximized() const;
bool IsWebUITabStrip() const;
// Returns the y coordinate for the top of the frame, which in maximized mode
// is the top of the screen and in restored mode is 1 pixel below the top of
// the window to leave room for the visual border that Windows draws.
int WindowTopY() const;
// Visual height of the titlebar when the window is maximized (i.e. excluding
// the area above the top of the screen).
int TitlebarMaximizedVisualHeight() const;
SkColor GetTitlebarColor() const;
const BrowserCaptionButtonContainer* caption_button_container_for_testing()
const {
return caption_button_container_;
}
const TabIconView* window_icon_for_testing() const { return window_icon_; }
protected:
// BrowserNonClientFrameView:
void PaintAsActiveChanged() override;
// views::View:
void OnPaint(gfx::Canvas* canvas) override;
void Layout(PassKey) override;
private:
friend class BrowserCaptionButtonContainer;
// Describes the type of titlebar that a window might have; used to query
// whether specific elements may be present.
enum class TitlebarType {
// A custom drawn titlebar, with window title and/or icon.
kCustom,
// The system titlebar, drawn by Windows.
kSystem,
// Any visible titlebar.
kAny
};
// Returns the thickness of the window border for the left, right, and bottom
// edges of the frame. On Windows 10 this is a mostly-transparent handle that
// allows you to resize the window.
int FrameBorderThickness() const;
// Returns the thickness of the window border for the top edge of the frame,
// which is sometimes different than FrameBorderThickness(). Does not include
// the titlebar/tabstrip area. If |restored| is true, this is calculated as if
// the window was restored, regardless of its current state.
int FrameTopBorderThickness(bool restored) const;
int FrameTopBorderThicknessPx(bool restored) const;
// Returns the height of everything above the tabstrip's hit-test region,
// including both the window border (i.e. FrameTopBorderThickness()) and any
// additional draggable area that's considered part of the window frame rather
// than the tabstrip. If |restored| is true, this is calculated as if the
// window was restored, regardless of its current state.
int TopAreaHeight(bool restored) const;
// Returns the height of the titlebar for popups or other browser types that
// don't have tabs.
int TitlebarHeight(bool restored) const;
// Returns the height of the frame, whether that is a tabstrip or a titlebar.
int GetFrameHeight() const;
// Returns the width of the caption buttons region, including visible
// system-drawn and custom-drawn caption buttons.
int CaptionButtonsRegionWidth() const;
// Returns whether or not the window should display an icon of the specified
// |type|.
bool ShouldShowWindowIcon(TitlebarType type) const;
// Returns whether or not the window should display a title of the specified
// |type|.
bool ShouldShowWindowTitle(TitlebarType type) const;
// Called when the device enters or exits tablet mode.
void TabletModeChanged();
// Sets DWM attributes for rendering the system-drawn Mica titlebar.
void SetSystemMicaTitlebarAttributes();
// Paint various sub-components of this view.
void PaintTitlebar(gfx::Canvas* canvas) const;
// Layout various sub-components of this view.
void LayoutTitleBar();
void LayoutCaptionButtons();
void LayoutClientView();
// Returns the insets of the client area. If |restored| is true, this is
// calculated as if the window was restored, regardless of its current state.
gfx::Insets GetClientAreaInsets(bool restored) const;
// Starts/Stops the window throbber running.
void StartThrobber();
void StopThrobber();
// Displays the next throbber frame.
void DisplayNextThrobberFrame();
// The bounds of the ClientView.
gfx::Rect client_view_bounds_;
// The small icon created from the bitmap image of the window icon.
base::win::ScopedHICON small_window_icon_;
// The big icon created from the bitmap image of the window icon.
base::win::ScopedHICON big_window_icon_;
// Icon and title. Only used when custom-drawing the titlebar for popups.
raw_ptr<TabIconView> window_icon_ = nullptr;
raw_ptr<views::Label> window_title_ = nullptr;
// The container holding the caption buttons (minimize, maximize, close, etc.)
raw_ptr<BrowserCaptionButtonContainer> caption_button_container_;
base::CallbackListSubscription tablet_mode_subscription_ =
ui::TouchUiController::Get()->RegisterCallback(
base::BindRepeating(&BrowserFrameViewWin::TabletModeChanged,
base::Unretained(this)));
// Whether or not the window throbber is currently animating.
bool throbber_running_ = false;
// The index of the current frame of the throbber animation.
int throbber_frame_ = 0;
static const int kThrobberIconCount = 24;
static HICON throbber_icons_[kThrobberIconCount];
static void InitThrobberIcons();
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_VIEW_WIN_H_
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