src/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(aura::Window* window,
  26                              const gfx::Point& location,
  27                              int window_component,
  28                              aura::client::WindowMoveSource source) {
  29   Details details(window, location, window_component, source);
  30   return details.is_resizable ? new DefaultWindowResizer(details) : NULL;
  31 }
  32
  33 void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
  34   gfx::Rect bounds(CalculateBoundsForDrag(details_, location));
  35   if (bounds != details_.window->bounds()) {
  36     if (!did_move_or_resize_ && !details_.restore_bounds.IsEmpty())
  37       wm::GetWindowState(details_.window)->ClearRestoreBounds();
  38     did_move_or_resize_ = true;
  39     details_.window->SetBounds(bounds);
  40   }
  41 }
  42
  43 void DefaultWindowResizer::CompleteDrag(int event_flags) {
  44 }
  45
  46 void DefaultWindowResizer::RevertDrag() {
  47   if (!did_move_or_resize_)
  48     return;
  49
  50   details_.window->SetBounds(details_.initial_bounds_in_parent);
  51
  52   if (!details_.restore_bounds.IsEmpty())
  53     wm::GetWindowState(details_.window)->SetRestoreBoundsInScreen(
  54         details_.restore_bounds);
  55 }
  56
  57 aura::Window* DefaultWindowResizer::GetTarget() {
  58   return details_.window;
  59 }
  60
  61 const gfx::Point& DefaultWindowResizer::GetInitialLocation() const {
  62   return details_.initial_location_in_parent;
  63 }
  64
  65 DefaultWindowResizer::DefaultWindowResizer(const Details& details)
  66     : details_(details),
  67       did_move_or_resize_(false) {
  68   DCHECK(details_.is_resizable);
  69   ash::Shell::GetInstance()->cursor_manager()->LockCursor();
  70 }
  71
  72 }  // namespace aura