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Diffstat (limited to 'chrome/views/custom_frame_window.h')
| -rw-r--r-- | chrome/views/custom_frame_window.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/chrome/views/custom_frame_window.h b/chrome/views/custom_frame_window.h new file mode 100644 index 0000000..8dab9d9 --- /dev/null +++ b/chrome/views/custom_frame_window.h @@ -0,0 +1,158 @@ +// 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_CUSTOM_FRAME_WINDOW_H__ +#define CHROME_VIEWS_CUSTOM_FRAME_WINDOW_H__ + +#include "chrome/common/gfx/chrome_canvas.h" +#include "chrome/views/window.h" +#include "chrome/views/window_delegate.h" + +namespace ChromeViews { + +//////////////////////////////////////////////////////////////////////////////// +// +// CustomFrameWindow +// +// A CustomFrameWindow is a Window subclass that implements the Chrome-style +// window frame used on Windows XP and Vista without DWM Composition. +// See documentation in window.h for more information about the capabilities +// of this window type. +// +//////////////////////////////////////////////////////////////////////////////// +class CustomFrameWindow : public Window { + public: + CustomFrameWindow(); + class NonClientView; + explicit CustomFrameWindow(NonClientView* non_client_view); + virtual ~CustomFrameWindow(); + + // Create the CustomFrameWindow. + // The parent of this window is always the desktop, however the owner is a + // window that this window is dependent on, if this window is opened as a + // modal dialog or dependent window. This is NULL if the window is not + // dependent on any other window. + // |contents_view| is the view to be displayed in the client area of the + // window. + // |window_delegate| is an object implementing the WindowDelegate interface + // that supplies information to the window such as its title, icon, etc. + virtual void Init(HWND owner, + const gfx::Rect& bounds, + View* contents_view, + WindowDelegate* window_delegate); + + // Executes the specified SC_command. + void ExecuteSystemMenuCommand(int command); + + // Returns whether or not the frame is active. + bool is_active() const { return is_active_; } + + class NonClientView : public View { + public: + virtual void Init(ClientView* client_view) = 0; + + // Calculates the bounds of the client area of the window assuming the + // window is sized to |width| and |height|. + virtual gfx::Rect CalculateClientAreaBounds(int width, + int height) const = 0; + + // Calculates the size of window required to display a client area of the + // specified width and height. + virtual gfx::Size CalculateWindowSizeForClientSize(int width, + int height) const = 0; + + // Returns the point, in screen coordinates, where the system menu should + // be shown so it shows up anchored to the system menu icon. + virtual CPoint GetSystemMenuPoint() const = 0; + + // Determines the windows HT* code when the mouse cursor is at the + // specified point, in window coordinates. + virtual int HitTest(const gfx::Point& point) = 0; + + // Returns a mask to be used to clip the top level window for the given + // size. This is used to create the non-rectangular window shape. + virtual void GetWindowMask(const gfx::Size& size, + gfx::Path* window_mask) = 0; + + // Toggles the enable state for the Close button (and the Close menu item in + // the system menu). + virtual void EnableClose(bool enable) = 0; + }; + + // Overridden from Window: + virtual gfx::Size CalculateWindowSizeForClientSize( + const gfx::Size& client_size) const; + virtual void UpdateWindowTitle(); + + protected: + // Overridden from Window: + virtual void SizeWindowToDefault(); + virtual void EnableClose(bool enable); + + // Overridden from HWNDViewContainer: + virtual void OnInitMenu(HMENU menu); + virtual void OnMouseLeave(); + virtual LRESULT OnNCActivate(BOOL active); + virtual LRESULT OnNCCalcSize(BOOL mode, LPARAM l_param); + virtual LRESULT OnNCHitTest(const CPoint& point); + virtual LRESULT OnNCMouseMove(UINT flags, const CPoint& point); + virtual void OnNCPaint(HRGN rgn); + virtual void OnNCRButtonDown(UINT flags, const CPoint& point); + virtual void OnNCLButtonDown(UINT flags, const CPoint& point); + virtual LRESULT OnSetCursor(HWND window, UINT hittest_code, UINT message); + virtual void OnSize(UINT param, const CSize& size); + + // The View that provides the non-client area of the window (title bar, + // window controls, sizing borders etc). + NonClientView* non_client_view_; + + private: + + // Shows the system menu at the specified screen point. + void RunSystemMenu(const CPoint& point); + + // Resets the window region. + void ResetWindowRegion(); + + // True if this window is the active top level window. + bool is_active_; + + // Static resource initialization. + static void InitClass(); + enum ResizeCursor { + RC_NORMAL = 0, RC_VERTICAL, RC_HORIZONTAL, RC_NESW, RC_NWSE + }; + static HCURSOR resize_cursors_[6]; + + DISALLOW_EVIL_CONSTRUCTORS(CustomFrameWindow); +}; + +} + +#endif // CHROME_VIEWS_CUSTOM_FRAME_WINDOW_H__ |