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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_OPAQUE_BROWSER_FRAME_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/view_ids.h"
#include "chrome/browser/ui/views/frame/browser_frame.h"
#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
#include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout_delegate.h"
#include "chrome/browser/ui/views/tab_icon_view_model.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/window/non_client_view.h"
class BrowserView;
class OpaqueBrowserFrameViewLayout;
class OpaqueBrowserFrameViewPlatformSpecific;
class TabIconView;
class NewAvatarButton;
namespace views {
class ImageButton;
class FrameBackground;
class Label;
}
class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
public content::NotificationObserver,
public views::ButtonListener,
public views::MenuButtonListener,
public chrome::TabIconViewModel,
public OpaqueBrowserFrameViewLayoutDelegate {
public:
// Constructs a non-client view for an BrowserFrame.
OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
~OpaqueBrowserFrameView() override;
// BrowserNonClientFrameView:
gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const override;
int GetTopInset() const override;
int GetThemeBackgroundXInset() const override;
void UpdateThrobber(bool running) override;
gfx::Size GetMinimumSize() 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 GetWindowMask(const gfx::Size& size, gfx::Path* window_mask) override;
void ResetWindowControls() override;
void UpdateWindowIcon() override;
void UpdateWindowTitle() override;
void SizeConstraintsChanged() override;
// views::View:
void GetAccessibleState(ui::AXViewState* state) override;
// views::ButtonListener:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
// views::MenuButtonListener:
void OnMenuButtonClicked(views::View* source,
const gfx::Point& point) override;
// chrome::TabIconViewModel:
bool ShouldTabIconViewAnimate() const override;
gfx::ImageSkia GetFaviconForTabIconView() override;
// content::NotificationObserver implementation:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// OpaqueBrowserFrameViewLayoutDelegate implementation:
bool ShouldShowWindowIcon() const override;
bool ShouldShowWindowTitle() const override;
base::string16 GetWindowTitle() const override;
int GetIconSize() const override;
bool ShouldLeaveOffsetNearTopBorder() const override;
gfx::Size GetBrowserViewMinimumSize() const override;
bool ShouldShowCaptionButtons() const override;
bool ShouldShowAvatar() const override;
bool IsRegularOrGuestSession() const override;
gfx::ImageSkia GetOTRAvatarIcon() const override;
bool IsMaximized() const override;
bool IsMinimized() const override;
bool IsFullscreen() const override;
bool IsTabStripVisible() const override;
int GetTabStripHeight() const override;
gfx::Size GetTabstripPreferredSize() const override;
protected:
views::ImageButton* minimize_button() const { return minimize_button_; }
views::ImageButton* maximize_button() const { return maximize_button_; }
views::ImageButton* restore_button() const { return restore_button_; }
views::ImageButton* close_button() const { return close_button_; }
// views::View:
void OnPaint(gfx::Canvas* canvas) override;
private:
// views::NonClientFrameView:
bool DoesIntersectRect(const views::View* target,
const gfx::Rect& rect) const override;
// Creates, adds and returns a new image button with |this| as its listener.
// Memory is owned by the caller.
views::ImageButton* InitWindowCaptionButton(int normal_image_id,
int hot_image_id,
int pushed_image_id,
int mask_image_id,
int accessibility_string_id,
ViewID view_id);
// Returns the thickness of the border that makes up the window frame edges.
// This does not include any client edge. If |restored| is true, acts as if
// the window is restored regardless of the real mode.
int FrameBorderThickness(bool restored) const;
// Returns the height of the top resize area. This is smaller than the frame
// border height in order to increase the window draggable area.
int TopResizeHeight() const;
// Returns true if the specified point is within the avatar menu buttons.
bool IsWithinAvatarMenuButtons(const gfx::Point& point) const;
// Returns the thickness of the entire nonclient left, right, and bottom
// borders, including both the window frame and any client edge.
int NonClientBorderThickness() const;
// Returns the bounds of the titlebar icon (or where the icon would be if
// there was one).
gfx::Rect IconBounds() const;
// Returns true if the view should draw its own custom title bar.
bool ShouldShowWindowTitleBar() const;
// Paint various sub-components of this view. The *FrameBorder() functions
// also paint the background of the titlebar area, since the top frame border
// and titlebar background are a contiguous component.
void PaintRestoredFrameBorder(gfx::Canvas* canvas);
void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
void PaintToolbarBackground(gfx::Canvas* canvas);
void PaintRestoredClientEdge(gfx::Canvas* canvas);
// Compute aspects of the frame needed to paint the frame background.
SkColor GetFrameColor() const;
gfx::ImageSkia* GetFrameImage() const;
gfx::ImageSkia* GetFrameOverlayImage() const;
int GetTopAreaHeight() const;
// Returns the bounds of the client area for the specified view size.
gfx::Rect CalculateClientAreaBounds(int width, int height) const;
// Our layout manager also calculates various bounds.
OpaqueBrowserFrameViewLayout* layout_;
// Window controls.
views::ImageButton* minimize_button_;
views::ImageButton* maximize_button_;
views::ImageButton* restore_button_;
views::ImageButton* close_button_;
// The window icon and title.
TabIconView* window_icon_;
views::Label* window_title_;
content::NotificationRegistrar registrar_;
// Background painter for the window frame.
scoped_ptr<views::FrameBackground> frame_background_;
// Observer that handles platform dependent configuration.
scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
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