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Diffstat (limited to 'chrome/browser/views/info_bar_view.h')
-rw-r--r-- | chrome/browser/views/info_bar_view.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/chrome/browser/views/info_bar_view.h b/chrome/browser/views/info_bar_view.h new file mode 100644 index 0000000..fd23dc0 --- /dev/null +++ b/chrome/browser/views/info_bar_view.h @@ -0,0 +1,111 @@ +// 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__ |