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/property_util.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(aura::Window* window,
  26                              const gfx::Point& location,
  27                              int window_component) {
  28   Details details(window, location, window_component);
  29   return details.is_resizable ? new DefaultWindowResizer(details) : NULL;
  30 }
  31
  32 void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
  33   gfx::Rect bounds(CalculateBoundsForDrag(details_, location));
  34   if (bounds != details_.window->bounds()) {
  35     if (!did_move_or_resize_ && !details_.restore_bounds.IsEmpty())
  36       ClearRestoreBounds(details_.window);
  37     did_move_or_resize_ = true;
  38     details_.window->SetBounds(bounds);
  39   }
  40 }
  41
  42 void DefaultWindowResizer::CompleteDrag(int event_flags) {
  43 }
  44
  45 void DefaultWindowResizer::RevertDrag() {
  46   if (!did_move_or_resize_)
  47     return;
  48
  49   details_.window->SetBounds(details_.initial_bounds_in_parent);
  50
  51   if (!details_.restore_bounds.IsEmpty())
  52     SetRestoreBoundsInScreen(details_.window, details_.restore_bounds);
  53 }
  54
  55 aura::Window* DefaultWindowResizer::GetTarget() {
  56   return details_.window;
  57 }
  58
  59 DefaultWindowResizer::DefaultWindowResizer(const Details& details)
  60     : details_(details),
  61       did_move_or_resize_(false) {
  62   DCHECK(details_.is_resizable);
  63   ash::Shell::GetInstance()->cursor_manager()->LockCursor();
  64 }
  65
  66 }  // namespace aura