src/ui/aura/window_tree_host_ozone.cc

   1 // Copyright 2013 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/aura/window_tree_host_ozone.h"
   6
   7 #include "ui/aura/window_event_dispatcher.h"
   8 #include "ui/base/cursor/ozone/cursor_factory_ozone.h"
   9 #include "ui/events/ozone/event_factory_ozone.h"
  10 #include "ui/events/platform/platform_event_source.h"
  11 #include "ui/gfx/ozone/surface_factory_ozone.h"
  12 #include "ui/ozone/ozone_platform.h"
  13
  14 namespace aura {
  15
  16 WindowTreeHostOzone::WindowTreeHostOzone(const gfx::Rect& bounds)
  17     : widget_(0),
  18       bounds_(bounds) {
  19   ui::OzonePlatform::Initialize();
  20
  21   // EventFactoryOzone creates converters that obtain input events from the
  22   // underlying input system and dispatch them as |ui::Event| instances into
  23   // Aura.
  24   ui::EventFactoryOzone::GetInstance()->StartProcessingEvents();
  25
  26   gfx::SurfaceFactoryOzone* surface_factory =
  27       gfx::SurfaceFactoryOzone::GetInstance();
  28   widget_ = surface_factory->GetAcceleratedWidget();
  29
  30   ui::PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
  31   CreateCompositor(GetAcceleratedWidget());
  32 }
  33
  34 WindowTreeHostOzone::~WindowTreeHostOzone() {
  35   ui::PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
  36   DestroyCompositor();
  37   DestroyDispatcher();
  38 }
  39
  40 bool WindowTreeHostOzone::CanDispatchEvent(const ui::PlatformEvent& ne) {
  41   CHECK(ne);
  42   ui::Event* event = static_cast<ui::Event*>(ne);
  43   if (event->IsMouseEvent() || event->IsScrollEvent())
  44     return ui::CursorFactoryOzone::GetInstance()->GetCursorWindow() == widget_;
  45
  46   return true;
  47 }
  48
  49 uint32_t WindowTreeHostOzone::DispatchEvent(const ui::PlatformEvent& ne) {
  50   ui::Event* event = static_cast<ui::Event*>(ne);
  51   ui::EventDispatchDetails details ALLOW_UNUSED = SendEventToProcessor(event);
  52   return ui::POST_DISPATCH_STOP_PROPAGATION;
  53 }
  54
  55 ui::EventSource* WindowTreeHostOzone::GetEventSource() {
  56   return this;
  57 }
  58
  59 gfx::AcceleratedWidget WindowTreeHostOzone::GetAcceleratedWidget() {
  60   return widget_;
  61 }
  62
  63 void WindowTreeHostOzone::Show() { NOTIMPLEMENTED(); }
  64
  65 void WindowTreeHostOzone::Hide() { NOTIMPLEMENTED(); }
  66
  67 gfx::Rect WindowTreeHostOzone::GetBounds() const { return bounds_; }
  68
  69 void WindowTreeHostOzone::SetBounds(const gfx::Rect& bounds) {
  70   bool origin_changed = bounds_.origin() != bounds.origin();
  71   bool size_changed = bounds_.size() != bounds.size();
  72   bounds_ = bounds;
  73   if (size_changed)
  74     OnHostResized(bounds_.size());
  75   if (origin_changed)
  76     OnHostMoved(bounds_.origin());
  77 }
  78
  79 gfx::Point WindowTreeHostOzone::GetLocationOnNativeScreen() const {
  80   return bounds_.origin();
  81 }
  82
  83 void WindowTreeHostOzone::SetCapture() { NOTIMPLEMENTED(); }
  84
  85 void WindowTreeHostOzone::ReleaseCapture() { NOTIMPLEMENTED(); }
  86
  87 void WindowTreeHostOzone::PostNativeEvent(
  88     const base::NativeEvent& native_event) {
  89   NOTIMPLEMENTED();
  90 }
  91
  92 void WindowTreeHostOzone::OnDeviceScaleFactorChanged(
  93     float device_scale_factor) {
  94   NOTIMPLEMENTED();
  95 }
  96
  97 void WindowTreeHostOzone::SetCursorNative(gfx::NativeCursor cursor) {
  98   ui::CursorFactoryOzone::GetInstance()->SetCursor(GetAcceleratedWidget(),
  99                                                    cursor.platform());
 100 }
 101
 102 void WindowTreeHostOzone::MoveCursorToNative(const gfx::Point& location) {
 103   ui::EventFactoryOzone::GetInstance()->WarpCursorTo(GetAcceleratedWidget(),
 104                                                      location);
 105 }
 106
 107 void WindowTreeHostOzone::OnCursorVisibilityChangedNative(bool show) {
 108   NOTIMPLEMENTED();
 109 }
 110
 111 ui::EventProcessor* WindowTreeHostOzone::GetEventProcessor() {
 112   return dispatcher();
 113 }
 114
 115 // static
 116 WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) {
 117   return new WindowTreeHostOzone(bounds);
 118 }
 119
 120 // static
 121 gfx::Size WindowTreeHost::GetNativeScreenSize() {
 122   NOTIMPLEMENTED();
 123   return gfx::Size();
 124 }
 125
 126 }  // namespace aura