ui/platform_window/win/win_window.cc

   1 // Copyright 2014 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 "ui/platform_window/win/win_window.h"
   6
   7 #include "base/profiler/scoped_tracker.h"
   8 #include "ui/events/event.h"
   9 #include "ui/events/event_utils.h"
  10 #include "ui/gfx/win/msg_util.h"
  11 #include "ui/platform_window/platform_window_delegate.h"
  12
  13 namespace ui {
  14
  15 namespace {
  16
  17 bool use_popup_as_root_window_for_test = false;
  18
  19 gfx::Rect GetWindowBoundsForClientBounds(DWORD style, DWORD ex_style,
  20                                          const gfx::Rect& bounds) {
  21   RECT wr;
  22   wr.left = bounds.x();
  23   wr.top = bounds.y();
  24   wr.right = bounds.x() + bounds.width();
  25   wr.bottom = bounds.y() + bounds.height();
  26   AdjustWindowRectEx(&wr, style, FALSE, ex_style);
  27
  28   // Make sure to keep the window onscreen, as AdjustWindowRectEx() may have
  29   // moved part of it offscreen.
  30   gfx::Rect window_bounds(wr.left, wr.top,
  31                           wr.right - wr.left, wr.bottom - wr.top);
  32   window_bounds.set_x(std::max(0, window_bounds.x()));
  33   window_bounds.set_y(std::max(0, window_bounds.y()));
  34   return window_bounds;
  35 }
  36
  37 }  // namespace
  38
  39 WinWindow::WinWindow(PlatformWindowDelegate* delegate,
  40                      const gfx::Rect& bounds)
  41     : delegate_(delegate) {
  42   CHECK(delegate_);
  43   if (use_popup_as_root_window_for_test)
  44     set_window_style(WS_POPUP);
  45   gfx::Rect window_bounds = GetWindowBoundsForClientBounds(
  46       WS_OVERLAPPEDWINDOW, window_ex_style(), bounds);
  47   gfx::WindowImpl::Init(NULL, window_bounds);
  48   SetWindowText(hwnd(), L"WinWindow");
  49 }
  50
  51 WinWindow::~WinWindow() {
  52 }
  53
  54 void WinWindow::Destroy() {
  55   if (IsWindow(hwnd()))
  56     DestroyWindow(hwnd());
  57 }
  58
  59 void WinWindow::Show() {
  60   ShowWindow(hwnd(), SW_SHOWNORMAL);
  61 }
  62
  63 void WinWindow::Hide() {
  64   ShowWindow(hwnd(), SW_HIDE);
  65 }
  66
  67 void WinWindow::Close() {
  68   Destroy();
  69 }
  70
  71 void WinWindow::SetBounds(const gfx::Rect& bounds) {
  72   gfx::Rect window_bounds = GetWindowBoundsForClientBounds(
  73       GetWindowLong(hwnd(), GWL_STYLE),
  74       GetWindowLong(hwnd(), GWL_EXSTYLE),
  75       bounds);
  76   SetWindowPos(hwnd(), NULL, window_bounds.x(), window_bounds.y(),
  77                window_bounds.width(), window_bounds.height(),
  78                SWP_NOREPOSITION);
  79 }
  80
  81 gfx::Rect WinWindow::GetBounds() {
  82   RECT cr;
  83   GetClientRect(hwnd(), &cr);
  84   return gfx::Rect(cr);
  85 }
  86
  87 void WinWindow::SetCapture() {
  88   DCHECK(::GetCapture() != hwnd());
  89   ::SetCapture(hwnd());
  90 }
  91
  92 void WinWindow::ReleaseCapture() {
  93   if (::GetCapture() == hwnd())
  94     ::ReleaseCapture();
  95 }
  96
  97 void WinWindow::ToggleFullscreen() {}
  98
  99 void WinWindow::Maximize() {}
 100
 101 void WinWindow::Minimize() {}
 102
 103 void WinWindow::Restore() {}
 104
 105 void WinWindow::SetCursor(PlatformCursor cursor) {}
 106
 107 void WinWindow::MoveCursorTo(const gfx::Point& location) {}
 108
 109 void WinWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {
 110 }
 111
 112 LRESULT WinWindow::OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) {
 113   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 114   tracked_objects::ScopedTracker tracking_profile(
 115       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnMouseRange"));
 116
 117   MSG msg = { hwnd(), message, w_param, l_param,
 118               static_cast<DWORD>(GetMessageTime()),
 119               { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } };
 120   MouseEvent event(msg);
 121   if (IsMouseEventFromTouch(message))
 122     event.set_flags(event.flags() | EF_FROM_TOUCH);
 123   if (!(event.flags() & ui::EF_IS_NON_CLIENT))
 124     delegate_->DispatchEvent(&event);
 125   SetMsgHandled(event.handled());
 126   return 0;
 127 }
 128
 129 LRESULT WinWindow::OnCaptureChanged(UINT message,
 130                                     WPARAM w_param,
 131                                     LPARAM l_param) {
 132   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 133   tracked_objects::ScopedTracker tracking_profile(
 134       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnCaptureChanged"));
 135
 136   delegate_->OnLostCapture();
 137   return 0;
 138 }
 139
 140 LRESULT WinWindow::OnKeyEvent(UINT message, WPARAM w_param, LPARAM l_param) {
 141   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 142   tracked_objects::ScopedTracker tracking_profile(
 143       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnKeyEvent"));
 144
 145   MSG msg = { hwnd(), message, w_param, l_param };
 146   KeyEvent event(msg);
 147   delegate_->DispatchEvent(&event);
 148   SetMsgHandled(event.handled());
 149   return 0;
 150 }
 151
 152 LRESULT WinWindow::OnNCActivate(UINT message, WPARAM w_param, LPARAM l_param) {
 153   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 154   tracked_objects::ScopedTracker tracking_profile(
 155       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnNCActivate"));
 156
 157   delegate_->OnActivationChanged(!!w_param);
 158   return DefWindowProc(hwnd(), message, w_param, l_param);
 159 }
 160
 161 void WinWindow::OnClose() {
 162   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 163   tracked_objects::ScopedTracker tracking_profile(
 164       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnClose"));
 165
 166   delegate_->OnCloseRequest();
 167 }
 168
 169 LRESULT WinWindow::OnCreate(CREATESTRUCT* create_struct) {
 170   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 171   tracked_objects::ScopedTracker tracking_profile(
 172       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnCreate"));
 173
 174   // TODO(sky): provide real scale factor.
 175   delegate_->OnAcceleratedWidgetAvailable(hwnd(), 1.f);
 176   return 0;
 177 }
 178
 179 void WinWindow::OnDestroy() {
 180   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 181   tracked_objects::ScopedTracker tracking_profile(
 182       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnDestroy"));
 183
 184   delegate_->OnClosed();
 185 }
 186
 187 void WinWindow::OnPaint(HDC) {
 188   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 189   tracked_objects::ScopedTracker tracking_profile(
 190       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnPaint"));
 191
 192   gfx::Rect damage_rect;
 193   RECT update_rect = {0};
 194   if (GetUpdateRect(hwnd(), &update_rect, FALSE))
 195     damage_rect = gfx::Rect(update_rect);
 196   delegate_->OnDamageRect(damage_rect);
 197   ValidateRect(hwnd(), NULL);
 198 }
 199
 200 void WinWindow::OnWindowPosChanged(WINDOWPOS* window_pos) {
 201   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 202   tracked_objects::ScopedTracker tracking_profile(
 203       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnWindowPosChanged"));
 204
 205   if (!(window_pos->flags & SWP_NOSIZE) ||
 206       !(window_pos->flags & SWP_NOMOVE)) {
 207     RECT cr;
 208     GetClientRect(hwnd(), &cr);
 209     delegate_->OnBoundsChanged(
 210         gfx::Rect(window_pos->x, window_pos->y,
 211                   cr.right - cr.left, cr.bottom - cr.top));
 212   }
 213 }
 214
 215 namespace test {
 216
 217 // static
 218 void SetUsePopupAsRootWindowForTest(bool use) {
 219   use_popup_as_root_window_for_test = use;
 220 }
 221
 222 }  // namespace test
 223 }  // namespace ui