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 "base/strings/string16.h"
   9 #include "ui/events/event.h"
  10 #include "ui/events/event_utils.h"
  11 #include "ui/gfx/win/msg_util.h"
  12 #include "ui/platform_window/platform_window_delegate.h"
  13
  14 namespace ui {
  15
  16 namespace {
  17
  18 bool use_popup_as_root_window_for_test = false;
  19
  20 gfx::Rect GetWindowBoundsForClientBounds(DWORD style, DWORD ex_style,
  21                                          const gfx::Rect& bounds) {
  22   RECT wr;
  23   wr.left = bounds.x();
  24   wr.top = bounds.y();
  25   wr.right = bounds.x() + bounds.width();
  26   wr.bottom = bounds.y() + bounds.height();
  27   AdjustWindowRectEx(&wr, style, FALSE, ex_style);
  28
  29   // Make sure to keep the window onscreen, as AdjustWindowRectEx() may have
  30   // moved part of it offscreen.
  31   gfx::Rect window_bounds(wr.left, wr.top,
  32                           wr.right - wr.left, wr.bottom - wr.top);
  33   window_bounds.set_x(std::max(0, window_bounds.x()));
  34   window_bounds.set_y(std::max(0, window_bounds.y()));
  35   return window_bounds;
  36 }
  37
  38 }  // namespace
  39
  40 WinWindow::WinWindow(PlatformWindowDelegate* delegate,
  41                      const gfx::Rect& bounds)
  42     : delegate_(delegate) {
  43   CHECK(delegate_);
  44   if (use_popup_as_root_window_for_test)
  45     set_window_style(WS_POPUP);
  46   gfx::Rect window_bounds = GetWindowBoundsForClientBounds(
  47       WS_OVERLAPPEDWINDOW, window_ex_style(), bounds);
  48   gfx::WindowImpl::Init(NULL, window_bounds);
  49   SetWindowText(hwnd(), L"WinWindow");
  50 }
  51
  52 WinWindow::~WinWindow() {
  53 }
  54
  55 void WinWindow::Destroy() {
  56   if (IsWindow(hwnd()))
  57     DestroyWindow(hwnd());
  58 }
  59
  60 void WinWindow::Show() {
  61   ShowWindow(hwnd(), SW_SHOWNORMAL);
  62 }
  63
  64 void WinWindow::Hide() {
  65   ShowWindow(hwnd(), SW_HIDE);
  66 }
  67
  68 void WinWindow::Close() {
  69   Destroy();
  70 }
  71
  72 void WinWindow::SetBounds(const gfx::Rect& bounds) {
  73   gfx::Rect window_bounds = GetWindowBoundsForClientBounds(
  74       GetWindowLong(hwnd(), GWL_STYLE),
  75       GetWindowLong(hwnd(), GWL_EXSTYLE),
  76       bounds);
  77   SetWindowPos(hwnd(), NULL, window_bounds.x(), window_bounds.y(),
  78                window_bounds.width(), window_bounds.height(),
  79                SWP_NOREPOSITION);
  80 }
  81
  82 gfx::Rect WinWindow::GetBounds() {
  83   RECT cr;
  84   GetClientRect(hwnd(), &cr);
  85   return gfx::Rect(cr);
  86 }
  87
  88 void WinWindow::SetTitle(const base::string16& title) {
  89   SetWindowText(hwnd(), title.c_str());
  90 }
  91
  92 void WinWindow::SetCapture() {
  93   DCHECK(::GetCapture() != hwnd());
  94   ::SetCapture(hwnd());
  95 }
  96
  97 void WinWindow::ReleaseCapture() {
  98   if (::GetCapture() == hwnd())
  99     ::ReleaseCapture();
 100 }
 101
 102 void WinWindow::ToggleFullscreen() {}
 103
 104 void WinWindow::Maximize() {}
 105
 106 void WinWindow::Minimize() {}
 107
 108 void WinWindow::Restore() {}
 109
 110 void WinWindow::SetCursor(PlatformCursor cursor) {}
 111
 112 void WinWindow::MoveCursorTo(const gfx::Point& location) {}
 113
 114 void WinWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {
 115 }
 116
 117 PlatformImeController* WinWindow::GetPlatformImeController() {
 118   return nullptr;
 119 }
 120
 121 LRESULT WinWindow::OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) {
 122   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 123   tracked_objects::ScopedTracker tracking_profile(
 124       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnMouseRange"));
 125
 126   MSG msg = { hwnd(), message, w_param, l_param,
 127               static_cast<DWORD>(GetMessageTime()),
 128               { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } };
 129   MouseEvent event(msg);
 130   if (IsMouseEventFromTouch(message))
 131     event.set_flags(event.flags() | EF_FROM_TOUCH);
 132   if (!(event.flags() & ui::EF_IS_NON_CLIENT))
 133     delegate_->DispatchEvent(&event);
 134   SetMsgHandled(event.handled());
 135   return 0;
 136 }
 137
 138 LRESULT WinWindow::OnCaptureChanged(UINT message,
 139                                     WPARAM w_param,
 140                                     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::OnCaptureChanged"));
 144
 145   delegate_->OnLostCapture();
 146   return 0;
 147 }
 148
 149 LRESULT WinWindow::OnKeyEvent(UINT message, WPARAM w_param, LPARAM l_param) {
 150   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 151   tracked_objects::ScopedTracker tracking_profile(
 152       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnKeyEvent"));
 153
 154   MSG msg = { hwnd(), message, w_param, l_param };
 155   KeyEvent event(msg);
 156   delegate_->DispatchEvent(&event);
 157   SetMsgHandled(event.handled());
 158   return 0;
 159 }
 160
 161 LRESULT WinWindow::OnNCActivate(UINT message, WPARAM w_param, LPARAM l_param) {
 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::OnNCActivate"));
 165
 166   delegate_->OnActivationChanged(!!w_param);
 167   return DefWindowProc(hwnd(), message, w_param, l_param);
 168 }
 169
 170 void WinWindow::OnClose() {
 171   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 172   tracked_objects::ScopedTracker tracking_profile(
 173       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnClose"));
 174
 175   delegate_->OnCloseRequest();
 176 }
 177
 178 LRESULT WinWindow::OnCreate(CREATESTRUCT* create_struct) {
 179   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 180   tracked_objects::ScopedTracker tracking_profile(
 181       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnCreate"));
 182
 183   // TODO(sky): provide real scale factor.
 184   delegate_->OnAcceleratedWidgetAvailable(hwnd(), 1.f);
 185   return 0;
 186 }
 187
 188 void WinWindow::OnDestroy() {
 189   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 190   tracked_objects::ScopedTracker tracking_profile(
 191       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnDestroy"));
 192
 193   delegate_->OnClosed();
 194 }
 195
 196 void WinWindow::OnPaint(HDC) {
 197   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 198   tracked_objects::ScopedTracker tracking_profile(
 199       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnPaint"));
 200
 201   gfx::Rect damage_rect;
 202   RECT update_rect = {0};
 203   if (GetUpdateRect(hwnd(), &update_rect, FALSE))
 204     damage_rect = gfx::Rect(update_rect);
 205   delegate_->OnDamageRect(damage_rect);
 206   ValidateRect(hwnd(), NULL);
 207 }
 208
 209 void WinWindow::OnWindowPosChanged(WINDOWPOS* window_pos) {
 210   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
 211   tracked_objects::ScopedTracker tracking_profile(
 212       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 WinWindow::OnWindowPosChanged"));
 213
 214   if (!(window_pos->flags & SWP_NOSIZE) ||
 215       !(window_pos->flags & SWP_NOMOVE)) {
 216     RECT cr;
 217     GetClientRect(hwnd(), &cr);
 218     delegate_->OnBoundsChanged(
 219         gfx::Rect(window_pos->x, window_pos->y,
 220                   cr.right - cr.left, cr.bottom - cr.top));
 221   }
 222 }
 223
 224 namespace test {
 225
 226 // static
 227 void SetUsePopupAsRootWindowForTest(bool use) {
 228   use_popup_as_root_window_for_test = use;
 229 }
 230
 231 }  // namespace test
 232 }  // namespace ui