window_tree_host.cc revision 0529e5d033099cbfc42635f6f6183833b09dff6e
1f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// found in the LICENSE file. 4f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 5f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "ui/aura/window_tree_host.h" 6f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 7a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/debug/trace_event.h" 8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/client/capture_client.h" 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/aura/client/cursor_client.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/aura/env.h" 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/aura/window.h" 12a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_event_dispatcher.h" 13a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_targeter.h" 14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_tree_host_observer.h" 15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/base/view_prop.h" 165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/compositor/dip_util.h" 175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/compositor/layer.h" 185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/display.h" 195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/insets.h" 20f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "ui/gfx/point.h" 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/point3_f.h" 225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/point_conversions.h" 235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/screen.h" 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/size_conversions.h" 25f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 26f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)namespace aura { 27f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)const char kWindowTreeHostForAcceleratedWidget[] = 29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) "__AURA_WINDOW_TREE_HOST_ACCELERATED_WIDGET__"; 30a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)float GetDeviceScaleFactorFromDisplay(Window* window) { 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Display display = gfx::Screen::GetScreenFor(window)-> 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetDisplayNearestWindow(window); 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(display.is_valid()); 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return display.device_scale_factor(); 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 38f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// WindowTreeHost, public: 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)WindowTreeHost::~WindowTreeHost() { 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(!compositor_) << "compositor must be destroyed before root window"; 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#if defined(OS_ANDROID) 46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// static 47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) { 48a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // This is only hit for tests and ash, right now these aren't an issue so 49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // adding the CHECK. 50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(sky): decide if we want a factory. 51a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(false); 52a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return NULL; 53a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 54a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#endif 55a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 56a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// static 57a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowTreeHost* WindowTreeHost::GetForAcceleratedWidget( 58a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) gfx::AcceleratedWidget widget) { 59a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return reinterpret_cast<WindowTreeHost*>( 60a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::ViewProp::GetValue(widget, kWindowTreeHostForAcceleratedWidget)); 61a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 62a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::InitHost() { 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitCompositor(); 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) UpdateRootWindowSize(GetBounds().size()); 66a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Env::GetInstance()->NotifyHostInitialized(this); 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window()->Show(); 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::InitCompositor() { 715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()), 725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetBounds().size()); 735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) compositor_->SetRootLayer(window()->layer()); 745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 76a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::AddObserver(WindowTreeHostObserver* observer) { 77a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) observers_.AddObserver(observer); 78a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 79a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 80a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::RemoveObserver(WindowTreeHostObserver* observer) { 81a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) observers_.RemoveObserver(observer); 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 84a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventProcessor* WindowTreeHost::event_processor() { 85a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return dispatcher(); 865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Transform WindowTreeHost::GetRootTransform() const { 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) float scale = ui::GetDeviceScaleFactor(window()->layer()); 905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Transform transform; 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) transform.Scale(scale, scale); 92a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch transform *= window()->layer()->transform(); 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return transform; 945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 96a02191e04bc25c4935f804f2c080ae28663d096dBen Murdochvoid WindowTreeHost::SetRootTransform(const gfx::Transform& transform) { 97a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch window()->SetTransform(transform); 98a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch UpdateRootWindowSize(GetBounds().size()); 995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 100f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Transform WindowTreeHost::GetInverseRootTransform() const { 102a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch gfx::Transform invert; 103a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch gfx::Transform transform = GetRootTransform(); 104a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (!transform.GetInverse(&invert)) 105a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch return transform; 106a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch return invert; 107f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 108f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::UpdateRootWindowSize(const gfx::Size& host_size) { 110a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch gfx::Rect bounds(host_size); 111a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch gfx::RectF new_bounds(ui::ConvertRectToDIP(window()->layer(), bounds)); 1120529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch window()->layer()->transform().TransformRect(&new_bounds); 113a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch window()->SetBounds(gfx::Rect(gfx::ToFlooredSize(new_bounds.size()))); 1145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::ConvertPointToNativeScreen(gfx::Point* point) const { 1175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ConvertPointToHost(point); 118f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) gfx::Point location = GetLocationOnNativeScreen(); 119f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) point->Offset(location.x(), location.y()); 120f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 121f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::ConvertPointFromNativeScreen(gfx::Point* point) const { 123f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) gfx::Point location = GetLocationOnNativeScreen(); 124f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) point->Offset(-location.x(), -location.y()); 1255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ConvertPointFromHost(point); 1265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::ConvertPointToHost(gfx::Point* point) const { 1295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point3F point_3f(*point); 1305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetRootTransform().TransformPoint(&point_3f); 1315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *point = gfx::ToFlooredPoint(point_3f.AsPointF()); 1325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::ConvertPointFromHost(gfx::Point* point) const { 1355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point3F point_3f(*point); 1365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetInverseRootTransform().TransformPoint(&point_3f); 1375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *point = gfx::ToFlooredPoint(point_3f.AsPointF()); 1385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::SetCursor(gfx::NativeCursor cursor) { 1415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) last_cursor_ = cursor; 1425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // A lot of code seems to depend on NULL cursors actually showing an arrow, 1435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // so just pass everything along to the host. 1445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetCursorNative(cursor); 1455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::OnCursorVisibilityChanged(bool show) { 1485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Clear any existing mouse hover effects when the cursor becomes invisible. 1495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note we do not need to dispatch a mouse enter when the cursor becomes 1505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // visible because that can only happen in response to a mouse event, which 1515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // will trigger its own mouse enter. 1525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!show) { 153a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dispatcher()->DispatchMouseExitAtPoint( 154a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dispatcher()->GetLastMouseLocationInRoot()); 1555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OnCursorVisibilityChangedNative(show); 1585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::MoveCursorTo(const gfx::Point& location_in_dip) { 1615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point host_location(location_in_dip); 1625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ConvertPointToHost(&host_location); 1635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MoveCursorToInternal(location_in_dip, host_location); 1645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::MoveCursorToHostLocation(const gfx::Point& host_location) { 1675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point root_location(host_location); 1685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ConvertPointFromHost(&root_location); 1695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MoveCursorToInternal(root_location, host_location); 170f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 171f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 172f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// WindowTreeHost, protected: 1745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)WindowTreeHost::WindowTreeHost() 176a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : window_(new Window(NULL)), 1775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) last_cursor_(ui::kCursorNull) { 1785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::DestroyCompositor() { 1815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(GetAcceleratedWidget()); 1825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) compositor_.reset(); 1835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 184f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 185a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::DestroyDispatcher() { 186a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) delete window_; 187a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window_ = NULL; 188a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dispatcher_.reset(); 189a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 190a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(beng): this comment is no longer quite valid since this function 191a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // isn't called from WED, and WED isn't a subclass of Window. So it seems 192a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // like we could just rely on ~Window now. 193a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Destroy child windows while we're still valid. This is also done by 194a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // ~Window, but by that time any calls to virtual methods overriden here (such 195a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // as GetRootWindow()) result in Window's implementation. By destroying here 196a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // we ensure GetRootWindow() still returns this. 197a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) //window()->RemoveOrDestroyChildren(); 198a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 199a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::CreateCompositor( 2015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::AcceleratedWidget accelerated_widget) { 2025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) compositor_.reset(new ui::Compositor(GetAcceleratedWidget())); 2035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(compositor_.get()); 204a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(beng): I think this setup should probably all move to a "accelerated 205a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // widget available" function. 206a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!dispatcher()) { 207a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window()->Init(WINDOW_LAYER_NOT_DRAWN); 208a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window()->set_host(this); 209a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window()->SetName("RootWindow"); 210a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window()->SetEventTargeter( 211a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) scoped_ptr<ui::EventTargeter>(new WindowTargeter())); 212a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) prop_.reset(new ui::ViewProp(GetAcceleratedWidget(), 213a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) kWindowTreeHostForAcceleratedWidget, 214a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) this)); 215a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dispatcher_.reset(new WindowEventDispatcher(this)); 216a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 217a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 218a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 219a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::OnHostMoved(const gfx::Point& new_location) { 220a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT1("ui", "WindowTreeHost::OnHostMoved", 221a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) "origin", new_location.ToString()); 222a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 223a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_, 224a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) OnHostMoved(this, new_location)); 225f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 226f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 227a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::OnHostResized(const gfx::Size& new_size) { 2285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The compositor should have the same size as the native root window host. 2295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Get the latest scale from display because it might have been changed. 2305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()), 2315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new_size); 2325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Size layer_size = GetBounds().size(); 2345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The layer, and the observers should be notified of the 2355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // transformed size of the root window. 2365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) UpdateRootWindowSize(layer_size); 237a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_, OnHostResized(this)); 238a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 239a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 240a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::OnHostCloseRequested() { 241a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_, 242a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) OnHostCloseRequested(this)); 243a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 244a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 245a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::OnHostActivated() { 246a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Env::GetInstance()->NotifyHostActivated(this); 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 249a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowTreeHost::OnHostLostWindowCapture() { 250a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* capture_window = client::GetCaptureWindow(window()); 251a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (capture_window && capture_window->GetRootWindow() == window()) 252a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) capture_window->ReleaseCapture(); 253a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 254a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 255a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 256a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowTreeHost, private: 257a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void WindowTreeHost::MoveCursorToInternal(const gfx::Point& root_location, 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Point& host_location) { 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MoveCursorToNative(host_location); 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) client::CursorClient* cursor_client = client::GetCursorClient(window()); 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (cursor_client) { 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Display& display = 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Screen::GetScreenFor(window())->GetDisplayNearestWindow(window()); 2655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) cursor_client->SetDisplay(display); 2665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 267a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dispatcher()->OnCursorMovedToRootLocation(root_location); 2685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 270f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} // namespace aura 271