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Diffstat (limited to 'chrome/browser/views/tab_icon_view.h')
-rw-r--r-- | chrome/browser/views/tab_icon_view.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/chrome/browser/views/tab_icon_view.h b/chrome/browser/views/tab_icon_view.h new file mode 100644 index 0000000..318d629 --- /dev/null +++ b/chrome/browser/views/tab_icon_view.h @@ -0,0 +1,89 @@ +// 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_VIEW_TAB_ICON_VIEW_H__ +#define CHROME_BROWSER_VIEW_TAB_ICON_VIEW_H__ + +#include "chrome/views/view.h" + +class TabContents; + +//////////////////////////////////////////////////////////////////////////////// +// +// A view to display a tab fav icon or a throbber. +// +//////////////////////////////////////////////////////////////////////////////// +class TabIconView : public ChromeViews::View { + public: + class TabContentsProvider { + public: + // Should return the current tab contents this TabIconView object is + // representing. + virtual TabContents* GetCurrentTabContents() = 0; + + // Returns the favicon to display in the icon view + virtual SkBitmap GetFavIcon() = 0; + }; + + static void InitializeIfNeeded(); + + explicit TabIconView(TabContentsProvider* provider); + virtual ~TabIconView(); + + // Invoke whenever the tab state changes or the throbber should update. + void Update(); + + // Set the throbber to the light style (for use on dark backgrounds). + void set_is_light(bool is_light) { is_light_ = is_light; } + + // Overriden from View + virtual void Paint(ChromeCanvas* canvas); + virtual void GetPreferredSize(CSize* out); + + private: + void PaintThrobber(ChromeCanvas* canvas); + void PaintFavIcon(ChromeCanvas* canvas, const SkBitmap& bitmap); + + // Our provider of current tab contents. + TabContentsProvider* provider_; + + // Whether the throbber is running. + bool throbber_running_; + + // Whether we should display our light or dark style. + bool is_light_; + + // Current frame of the throbber being painted. This is only used if + // throbber_running_ is true. + int throbber_frame_; + + DISALLOW_EVIL_CONSTRUCTORS(TabIconView); +}; + +#endif // CHROME_BROWSER_VIEW_TAB_ICON_VIEW_H__ |