| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/aura/window_tree_host_win.h" |
| |
| #include <windows.h> |
| |
| #include <algorithm> |
| |
| #include "base/message_loop/message_loop.h" |
| #include "ui/aura/client/cursor_client.h" |
| #include "ui/aura/window_event_dispatcher.h" |
| #include "ui/base/cursor/cursor_loader_win.h" |
| #include "ui/base/view_prop.h" |
| #include "ui/compositor/compositor.h" |
| #include "ui/events/event.h" |
| #include "ui/gfx/display.h" |
| #include "ui/gfx/insets.h" |
| #include "ui/gfx/screen.h" |
| |
| using std::max; |
| using std::min; |
| |
| namespace aura { |
| namespace { |
| |
| bool use_popup_as_root_window_for_test = false; |
| |
| } // namespace |
| |
| // static |
| WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) { |
| return new WindowTreeHostWin(bounds); |
| } |
| |
| // static |
| gfx::Size WindowTreeHost::GetNativeScreenSize() { |
| return gfx::Size(GetSystemMetrics(SM_CXSCREEN), |
| GetSystemMetrics(SM_CYSCREEN)); |
| } |
| |
| WindowTreeHostWin::WindowTreeHostWin(const gfx::Rect& bounds) |
| : has_capture_(false) { |
| if (use_popup_as_root_window_for_test) |
| set_window_style(WS_POPUP); |
| Init(NULL, bounds); |
| SetWindowText(hwnd(), L"aura::RootWindow!"); |
| CreateCompositor(GetAcceleratedWidget()); |
| } |
| |
| WindowTreeHostWin::~WindowTreeHostWin() { |
| DestroyCompositor(); |
| DestroyDispatcher(); |
| DestroyWindow(hwnd()); |
| } |
| |
| ui::EventSource* WindowTreeHostWin::GetEventSource() { |
| return this; |
| } |
| |
| gfx::AcceleratedWidget WindowTreeHostWin::GetAcceleratedWidget() { |
| return hwnd(); |
| } |
| |
| void WindowTreeHostWin::Show() { |
| ShowWindow(hwnd(), SW_SHOWNORMAL); |
| } |
| |
| void WindowTreeHostWin::Hide() { |
| NOTIMPLEMENTED(); |
| } |
| |
| gfx::Rect WindowTreeHostWin::GetBounds() const { |
| RECT r; |
| GetClientRect(hwnd(), &r); |
| return gfx::Rect(r); |
| } |
| |
| void WindowTreeHostWin::SetBounds(const gfx::Rect& bounds) { |
| RECT window_rect; |
| window_rect.left = bounds.x(); |
| window_rect.top = bounds.y(); |
| window_rect.right = bounds.right() ; |
| window_rect.bottom = bounds.bottom(); |
| AdjustWindowRectEx(&window_rect, |
| GetWindowLong(hwnd(), GWL_STYLE), |
| FALSE, |
| GetWindowLong(hwnd(), GWL_EXSTYLE)); |
| SetWindowPos( |
| hwnd(), |
| NULL, |
| window_rect.left, |
| window_rect.top, |
| window_rect.right - window_rect.left, |
| window_rect.bottom - window_rect.top, |
| SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREDRAW | SWP_NOREPOSITION); |
| |
| // Explicity call OnHostResized when the scale has changed because |
| // the window size may not have changed. |
| float current_scale = compositor()->device_scale_factor(); |
| float new_scale = gfx::Screen::GetScreenFor(window())-> |
| GetDisplayNearestWindow(window()).device_scale_factor(); |
| if (current_scale != new_scale) |
| OnHostResized(bounds.size()); |
| } |
| |
| gfx::Point WindowTreeHostWin::GetLocationOnNativeScreen() const { |
| RECT r; |
| GetClientRect(hwnd(), &r); |
| return gfx::Point(r.left, r.top); |
| } |
| |
| |
| void WindowTreeHostWin::SetCapture() { |
| if (!has_capture_) { |
| has_capture_ = true; |
| ::SetCapture(hwnd()); |
| } |
| } |
| |
| void WindowTreeHostWin::ReleaseCapture() { |
| if (has_capture_) { |
| has_capture_ = false; |
| ::ReleaseCapture(); |
| } |
| } |
| |
| void WindowTreeHostWin::SetCursorNative(gfx::NativeCursor native_cursor) { |
| // Custom web cursors are handled directly. |
| if (native_cursor == ui::kCursorCustom) |
| return; |
| |
| ui::CursorLoaderWin cursor_loader; |
| cursor_loader.SetPlatformCursor(&native_cursor); |
| ::SetCursor(native_cursor.platform()); |
| } |
| |
| void WindowTreeHostWin::MoveCursorToNative(const gfx::Point& location) { |
| // Deliberately not implemented. |
| } |
| |
| void WindowTreeHostWin::OnCursorVisibilityChangedNative(bool show) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void WindowTreeHostWin::PostNativeEvent(const base::NativeEvent& native_event) { |
| ::PostMessage( |
| hwnd(), native_event.message, native_event.wParam, native_event.lParam); |
| } |
| |
| void WindowTreeHostWin::OnDeviceScaleFactorChanged( |
| float device_scale_factor) { |
| NOTIMPLEMENTED(); |
| } |
| |
| ui::EventProcessor* WindowTreeHostWin::GetEventProcessor() { |
| return dispatcher(); |
| } |
| |
| void WindowTreeHostWin::OnClose() { |
| // TODO: this obviously shouldn't be here. |
| base::MessageLoopForUI::current()->Quit(); |
| } |
| |
| LRESULT WindowTreeHostWin::OnKeyEvent(UINT message, |
| WPARAM w_param, |
| LPARAM l_param) { |
| MSG msg = { hwnd(), message, w_param, l_param }; |
| ui::KeyEvent keyev(msg, message == WM_CHAR); |
| ui::EventDispatchDetails details = SendEventToProcessor(&keyev); |
| SetMsgHandled(keyev.handled() || details.dispatcher_destroyed); |
| return 0; |
| } |
| |
| LRESULT WindowTreeHostWin::OnMouseRange(UINT message, |
| WPARAM w_param, |
| LPARAM l_param) { |
| MSG msg = { hwnd(), message, w_param, l_param, 0, |
| { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } }; |
| ui::MouseEvent event(msg); |
| bool handled = false; |
| if (!(event.flags() & ui::EF_IS_NON_CLIENT)) { |
| ui::EventDispatchDetails details = SendEventToProcessor(&event); |
| handled = event.handled() || details.dispatcher_destroyed; |
| } |
| SetMsgHandled(handled); |
| return 0; |
| } |
| |
| LRESULT WindowTreeHostWin::OnCaptureChanged(UINT message, |
| WPARAM w_param, |
| LPARAM l_param) { |
| if (has_capture_) { |
| has_capture_ = false; |
| OnHostLostWindowCapture(); |
| } |
| return 0; |
| } |
| |
| LRESULT WindowTreeHostWin::OnNCActivate(UINT message, |
| WPARAM w_param, |
| LPARAM l_param) { |
| if (!!w_param) |
| OnHostActivated(); |
| return DefWindowProc(hwnd(), message, w_param, l_param); |
| } |
| |
| void WindowTreeHostWin::OnMove(const gfx::Point& point) { |
| OnHostMoved(point); |
| } |
| |
| void WindowTreeHostWin::OnPaint(HDC dc) { |
| gfx::Rect damage_rect; |
| RECT update_rect = {0}; |
| if (GetUpdateRect(hwnd(), &update_rect, FALSE)) |
| damage_rect = gfx::Rect(update_rect); |
| compositor()->ScheduleRedrawRect(damage_rect); |
| ValidateRect(hwnd(), NULL); |
| } |
| |
| void WindowTreeHostWin::OnSize(UINT param, const gfx::Size& size) { |
| // Minimizing resizes the window to 0x0 which causes our layout to go all |
| // screwy, so we just ignore it. |
| if (dispatcher() && param != SIZE_MINIMIZED) |
| OnHostResized(size); |
| } |
| |
| namespace test { |
| |
| // static |
| void SetUsePopupAsRootWindowForTest(bool use) { |
| use_popup_as_root_window_for_test = use; |
| } |
| |
| } // namespace test |
| |
| } // namespace aura |