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// Copyright (c) 2012 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.
#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
#include "base/compiler_specific.h"
#include "base/macros.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_10_caption_button.h"
#include "chrome/browser/ui/views/tab_icon_view.h"
#include "chrome/browser/ui/views/tab_icon_view_model.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/window/non_client_view.h"
class BrowserView;
class GlassBrowserFrameView : public BrowserNonClientFrameView,
public views::ButtonListener,
public TabIconViewModel {
public:
// Alpha to use for features in the titlebar (the window title and caption
// buttons) when the window is inactive. They are opaque when active.
static constexpr SkAlpha kInactiveTitlebarFeatureAlpha = 0x66;
static constexpr char kClassName[] = "GlassBrowserFrameView";
static SkColor GetReadableFeatureColor(SkColor background_color);
// Constructs a non-client view for an BrowserFrame.
GlassBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
~GlassBrowserFrameView() override;
// BrowserNonClientFrameView:
bool CaptionButtonsOnLeadingEdge() const override;
gfx::Rect GetBoundsForTabStrip(const views::View* tabstrip) const override;
int GetTopInset(bool restored) const override;
int GetThemeBackgroundXInset() const override;
bool HasVisibleBackgroundTabShapes(ActiveState active_state) const override;
bool CanDrawStrokes() const override;
void UpdateThrobber(bool running) override;
gfx::Size GetMinimumSize() const override;
bool IsSingleTabModeAvailable() const override;
SkColor GetCaptionColor(ActiveState active_state) const 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 GetWindowMask(const gfx::Size& size, SkPath* window_mask) override {}
void ResetWindowControls() override;
void SizeConstraintsChanged() override {}
// views::ButtonListener:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
// TabIconViewModel:
bool ShouldTabIconViewAnimate() const override;
gfx::ImageSkia GetFaviconForTabIconView() override;
bool IsMaximized() 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;
views::Label* window_title_for_testing() { return window_title_; }
protected:
// views::View:
const char* GetClassName() const override;
void OnPaint(gfx::Canvas* canvas) override;
void Layout() override;
private:
// 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 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;
// Returns the distance from the leading edge of the window to the leading
// edge of the caption buttons.
int MinimizeButtonX() const;
// Returns whether the toolbar is currently visible.
bool IsToolbarVisible() const;
bool ShowCustomIcon() const;
bool ShowCustomTitle() const;
bool ShowSystemIcon() const;
Windows10CaptionButton* CreateCaptionButton(ViewID button_type,
int accessible_name_resource_id);
// 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 LayoutCaptionButton(Windows10CaptionButton* button,
int previous_button_x);
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.
TabIconView* window_icon_;
views::Label* window_title_;
// Custom-drawn caption buttons. Only used when custom-drawing the titlebar.
Windows10CaptionButton* minimize_button_;
Windows10CaptionButton* maximize_button_;
Windows10CaptionButton* restore_button_;
Windows10CaptionButton* close_button_;
// Whether or not the window throbber is currently animating.
bool throbber_running_;
// The index of the current frame of the throbber animation.
int throbber_frame_;
static const int kThrobberIconCount = 24;
static HICON throbber_icons_[kThrobberIconCount];
static void InitThrobberIcons();
DISALLOW_COPY_AND_ASSIGN(GlassBrowserFrameView);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_