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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_BROWSER_VIEWS_INFO_BAR_VIEW_H__
#define CHROME_BROWSER_VIEWS_INFO_BAR_VIEW_H__
#include <map>
#include "chrome/views/view.h"
class NavigationEntry;
class WebContents;
// This view is used to store and display views in the info bar.
//
// It will paint all of its children vertically, with the most recently
// added child displayed at the top of the info bar.
class InfoBarView : public ChromeViews::View {
public:
explicit InfoBarView(WebContents* web_contents);
virtual ~InfoBarView();
// Adds view as a child. Views adding using AddChildView() are automatically
// removed after 1 navigation, which is also the behavior if you set
// |auto_expire| to true here. You mainly need this function if you want to
// add an infobar that should not expire.
void AppendInfoBarItem(ChromeViews::View* view, bool auto_expire);
virtual void GetPreferredSize(CSize *out);
virtual void Layout();
// API to allow infobar children to notify us of size changes.
virtual void ChildAnimationProgressed();
virtual void ChildAnimationEnded();
// Invokes the following methods to do painting:
// PaintBackground, PaintBorder and PaintSeparators.
virtual void Paint(ChromeCanvas* canvas);
virtual void DidChangeBounds(const CRect& previous, const CRect& current);
// Notification that the user has done a navigation. Removes child views that
// are set to be removed after a certain number of navigations and
// potentially hides the info bar. |entry| is the new entry that we are
// navigating to.
void DidNavigate(NavigationEntry* entry);
WebContents* web_contents() { return web_contents_; }
protected:
// Overridden to force the frame to re-layout the info bar whenever a view
// is added or removed.
virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
private:
void Init();
// Returns the unique ID of the active entry on the WebContents'
// NavigationController.
int GetActiveID() const;
// Paints the border.
void PaintBorder(ChromeCanvas* canvas);
// Paints the separators. This invokes PaintSeparator to paint a particular
// separator.
void PaintSeparators(ChromeCanvas* canvas);
// Paints the separator between views.
void PaintSeparator(ChromeCanvas* canvas,
ChromeViews::View* v1,
ChromeViews::View* v2);
WebContents* web_contents_;
// Map from view to number of navigations before it is removed. If a child
// doesn't have an entry in here, it is NOT removed on navigations.
std::map<View*,int> expire_map_;
DISALLOW_EVIL_CONSTRUCTORS(InfoBarView);
};
#endif // CHROME_BROWSER_VIEWS_INFO_BAR_VIEW_H__
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