// 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_VIEWS_AERO_TOOLTIP_MANAGER_H__ #define CHROME_VIEWS_AERO_TOOLTIP_MANAGER_H__ #include "base/ref_counted.h" #include "base/task.h" #include "chrome/views/tooltip_manager.h" namespace ChromeViews { /////////////////////////////////////////////////////////////////////////////// // AeroTooltipManager // // Default Windows tooltips are broken when using our custom window frame // - as soon as the tooltip receives a WM_MOUSEMOVE event, it starts spewing // NCHITTEST messages at its parent window (us). These messages have random // x/y coordinates and can't be ignored, as the DwmDefWindowProc uses // NCHITTEST messages to determine how to highlight the caption buttons // (the buttons then flicker as the hit tests sent by the user's mouse // trigger different effects to those sent by the tooltip). // // So instead, we have to partially implement tooltips ourselves using // TTF_TRACKed tooltips. // // TODO(glen): Resolve this with Microsoft. class AeroTooltipManager : public ChromeViews::TooltipManager { public: AeroTooltipManager(ViewContainer* container, HWND parent); virtual ~AeroTooltipManager(); void OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param); private: void Init(); void OnTimer(); class InitialTimer : public base::RefCounted { public: InitialTimer(AeroTooltipManager* manager, int time); void Disown(); void Execute(); private: AeroTooltipManager* manager_; }; int initial_delay_; scoped_refptr initial_timer_; }; } // namespace ChromeViews #endif // #ifndef CHROME_VIEWS_AERO_TOOLTIP_MANAGER_H__