ash/wm/default_window_resizer.cc

   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 #include "ash/wm/default_window_resizer.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/wm/window_state.h"
   9 #include "ui/aura/client/aura_constants.h"
  10 #include "ui/aura/env.h"
  11 #include "ui/aura/window.h"
  12 #include "ui/aura/window_delegate.h"
  13 #include "ui/base/hit_test.h"
  14 #include "ui/base/ui_base_types.h"
  15 #include "ui/gfx/screen.h"
  16
  17 namespace ash {
  18
  19 DefaultWindowResizer::~DefaultWindowResizer() {
  20   ash::Shell::GetInstance()->cursor_manager()->UnlockCursor();
  21 }
  22
  23 // static
  24 DefaultWindowResizer*
  25 DefaultWindowResizer::Create(wm::WindowState* window_state) {
  26   return new DefaultWindowResizer(window_state);
  27 }
  28
  29 void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
  30   gfx::Rect bounds(CalculateBoundsForDrag(location));
  31   if (bounds != GetTarget()->bounds()) {
  32     if (!did_move_or_resize_ && !details().restore_bounds.IsEmpty())
  33       window_state_->ClearRestoreBounds();
  34     did_move_or_resize_ = true;
  35     GetTarget()->SetBounds(bounds);
  36   }
  37 }
  38
  39 void DefaultWindowResizer::CompleteDrag() {
  40 }
  41
  42 void DefaultWindowResizer::RevertDrag() {
  43   if (!did_move_or_resize_)
  44     return;
  45
  46   GetTarget()->SetBounds(details().initial_bounds_in_parent);
  47
  48   if (!details().restore_bounds.IsEmpty())
  49     window_state_->SetRestoreBoundsInScreen(details().restore_bounds);
  50 }
  51
  52 DefaultWindowResizer::DefaultWindowResizer(wm::WindowState* window_state)
  53     : WindowResizer(window_state),
  54       did_move_or_resize_(false) {
  55   DCHECK(details().is_resizable);
  56   ash::Shell::GetInstance()->cursor_manager()->LockCursor();
  57 }
  58
  59 }  // namespace aura