src/ui/views/widget/desktop_aura/x11_desktop_window_move_client.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_
   6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_
   7
   8 #include <X11/Xlib.h>
   9
  10 #include "base/callback.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/timer/timer.h"
  14 #include "ui/gfx/point.h"
  15 #include "ui/views/views_export.h"
  16 #include "ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h"
  17 #include "ui/views/widget/desktop_aura/x11_whole_screen_move_loop_delegate.h"
  18 #include "ui/wm/public/window_move_client.h"
  19
  20 namespace aura {
  21 class WindowTreeHost;
  22 }
  23
  24 namespace gfx {
  25 class Rect;
  26 }
  27
  28 namespace views {
  29
  30 // When we're dragging tabs, we need to manually position our window.
  31 class VIEWS_EXPORT X11DesktopWindowMoveClient :
  32       public views::X11WholeScreenMoveLoopDelegate,
  33       public aura::client::WindowMoveClient {
  34  public:
  35   X11DesktopWindowMoveClient();
  36   virtual ~X11DesktopWindowMoveClient();
  37
  38   // Overridden from X11WholeScreenMoveLoopDelegate:
  39   virtual void OnMouseMovement(XMotionEvent* event) OVERRIDE;
  40   virtual void OnMouseReleased() OVERRIDE;
  41   virtual void OnMoveLoopEnded() OVERRIDE;
  42
  43   // Overridden from aura::client::WindowMoveClient:
  44   virtual aura::client::WindowMoveResult RunMoveLoop(
  45       aura::Window* window,
  46       const gfx::Vector2d& drag_offset,
  47       aura::client::WindowMoveSource move_source) OVERRIDE;
  48   virtual void EndMoveLoop() OVERRIDE;
  49
  50  private:
  51   // Callback from |window_move_timer_|.
  52   void SetHostBounds(const gfx::Rect& rect);
  53
  54   X11WholeScreenMoveLoop move_loop_;
  55
  56   // We need to keep track of this so we can actually move it when reacting to
  57   // mouse events.
  58   aura::WindowTreeHost* host_;
  59
  60   // Our cursor offset from the top left window origin when the drag
  61   // started. Used to calculate the window's new bounds relative to the current
  62   // location of the cursor.
  63   gfx::Vector2d window_offset_;
  64
  65   base::OneShotTimer<X11DesktopWindowMoveClient> window_move_timer_;
  66 };
  67
  68 }  // namespace views
  69
  70 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_