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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_BROWSER_VIEW_LAYOUT_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/layout/layout_manager.h"
class BookmarkBarView;
class Browser;
class BrowserViewLayoutDelegate;
class ContentsLayoutManager;
class ImmersiveModeController;
class InfoBarContainerView;
class TabContentsContainer;
class TabStrip;
namespace gfx {
class Point;
class Size;
}
namespace views {
class ClientView;
class SingleSplitView;
}
namespace web_modal {
class WebContentsModalDialogHost;
}
// The layout manager used in chrome browser.
class BrowserViewLayout : public views::LayoutManager {
public:
// The vertical overlap between the TabStrip and the Toolbar.
static const int kToolbarTabStripVerticalOverlap;
BrowserViewLayout();
~BrowserViewLayout() override;
// Sets all the views to be managed. Takes ownership of |delegate|.
// |browser_view| may be null in tests.
void Init(BrowserViewLayoutDelegate* delegate,
Browser* browser,
views::ClientView* browser_view,
views::View* top_container,
TabStrip* tab_strip,
views::View* toolbar,
InfoBarContainerView* infobar_container,
views::View* contents_container,
ContentsLayoutManager* contents_layout_manager,
ImmersiveModeController* immersive_mode_controller);
// Sets or updates views that are not available when |this| is initialized.
void set_tab_strip(TabStrip* tab_strip) {
tab_strip_ = tab_strip;
}
void set_bookmark_bar(BookmarkBarView* bookmark_bar) {
bookmark_bar_ = bookmark_bar;
}
void set_download_shelf(views::View* download_shelf) {
download_shelf_ = download_shelf;
}
web_modal::WebContentsModalDialogHost* GetWebContentsModalDialogHost();
// Returns the minimum size of the browser view.
gfx::Size GetMinimumSize();
// Returns the bounding box, in widget coordinates, for the find bar.
gfx::Rect GetFindBarBoundingBox() const;
// Tests to see if the specified |point| (in nonclient view's coordinates)
// is within the views managed by the laymanager. Returns one of
// HitTestCompat enum defined in ui/base/hit_test.h.
// See also ClientView::NonClientHitTest.
int NonClientHitTest(const gfx::Point& point);
// views::LayoutManager overrides:
void Layout(views::View* host) override;
gfx::Size GetPreferredSize(const views::View* host) const override;
private:
FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, BrowserViewLayout);
FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, Layout);
FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, LayoutDownloadShelf);
class WebContentsModalDialogHostViews;
Browser* browser() { return browser_; }
// Layout the following controls, starting at |top|, returns the coordinate
// of the bottom of the control, for laying out the next control.
int LayoutTabStripRegion(int top);
int LayoutToolbar(int top);
int LayoutBookmarkAndInfoBars(int top, int browser_view_y);
int LayoutBookmarkBar(int top);
int LayoutInfoBar(int top);
// Layout the |contents_container_| view between the coordinates |top| and
// |bottom|. See browser_view.h for details of the relationship between
// |contents_container_| and other views.
void LayoutContentsContainerView(int top, int bottom);
// Updates |top_container_|'s bounds. The new bounds depend on the size of
// the bookmark bar and the toolbar.
void UpdateTopContainerBounds();
// Returns the vertical offset for the web contents to account for a
// detached bookmarks bar.
int GetContentsOffsetForBookmarkBar();
// Returns the top margin to adjust the contents_container_ by. This is used
// to make the bookmark bar and contents_container_ overlap so that the
// preview contents hides the bookmark bar.
int GetTopMarginForActiveContent();
// Layout the Download Shelf, returns the coordinate of the top of the
// control, for laying out the previous control.
int LayoutDownloadShelf(int bottom);
// Returns true if an infobar is showing.
bool InfobarVisible() const;
// The delegate interface. May be a mock in tests.
scoped_ptr<BrowserViewLayoutDelegate> delegate_;
// The browser from the owning BrowserView.
Browser* browser_;
// The owning browser view.
views::ClientView* browser_view_;
// Child views that the layout manager manages.
// NOTE: If you add a view, try to add it as a views::View, which makes
// testing much easier.
views::View* top_container_;
TabStrip* tab_strip_;
views::View* toolbar_;
BookmarkBarView* bookmark_bar_;
InfoBarContainerView* infobar_container_;
views::View* contents_container_;
ContentsLayoutManager* contents_layout_manager_;
views::View* download_shelf_;
ImmersiveModeController* immersive_mode_controller_;
// The bounds within which the vertically-stacked contents of the BrowserView
// should be laid out within. This is just the local bounds of the
// BrowserView.
// TODO(jamescook): Remove this and just use browser_view_->GetLocalBounds().
gfx::Rect vertical_layout_rect_;
// The host for use in positioning the web contents modal dialog.
scoped_ptr<WebContentsModalDialogHostViews> dialog_host_;
// The latest dialog bounds applied during a layout pass.
gfx::Rect latest_dialog_bounds_;
// The distance the web contents modal dialog is from the top of the window,
// in pixels.
int web_contents_modal_dialog_top_y_;
DISALLOW_COPY_AND_ASSIGN(BrowserViewLayout);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
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