src/mojo/services/view_manager/window_tree_host_impl.cc

   1 // Copyright (c) 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 "mojo/services/view_manager/window_tree_host_impl.h"
   6
   7 #include "mojo/public/c/gles2/gles2.h"
   8 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
   9 #include "mojo/services/view_manager/context_factory_impl.h"
  10 #include "ui/aura/env.h"
  11 #include "ui/aura/window.h"
  12 #include "ui/aura/window_event_dispatcher.h"
  13 #include "ui/compositor/compositor.h"
  14 #include "ui/events/event.h"
  15 #include "ui/events/event_constants.h"
  16 #include "ui/gfx/geometry/insets.h"
  17 #include "ui/gfx/geometry/rect.h"
  18
  19 namespace mojo {
  20 namespace view_manager {
  21 namespace service {
  22
  23 // TODO(sky): nuke this. It shouldn't be static.
  24 // static
  25 ContextFactoryImpl* WindowTreeHostImpl::context_factory_ = NULL;
  26
  27 ////////////////////////////////////////////////////////////////////////////////
  28 // WindowTreeHostImpl, public:
  29
  30 WindowTreeHostImpl::WindowTreeHostImpl(
  31     NativeViewportPtr viewport,
  32     const gfx::Rect& bounds,
  33     const base::Callback<void()>& compositor_created_callback)
  34     : native_viewport_(viewport.Pass()),
  35       compositor_created_callback_(compositor_created_callback),
  36       bounds_(bounds) {
  37   native_viewport_.set_client(this);
  38   native_viewport_->Create(Rect::From(bounds));
  39
  40   MessagePipe pipe;
  41   native_viewport_->CreateGLES2Context(
  42       MakeRequest<CommandBuffer>(pipe.handle0.Pass()));
  43
  44   // The ContextFactory must exist before any Compositors are created.
  45   if (context_factory_) {
  46     delete context_factory_;
  47     context_factory_ = NULL;
  48   }
  49   context_factory_ = new ContextFactoryImpl(pipe.handle1.Pass());
  50   aura::Env::GetInstance()->set_context_factory(context_factory_);
  51   CHECK(context_factory_) << "No GL bindings.";
  52 }
  53
  54 WindowTreeHostImpl::~WindowTreeHostImpl() {
  55   DestroyCompositor();
  56   DestroyDispatcher();
  57 }
  58
  59 ////////////////////////////////////////////////////////////////////////////////
  60 // WindowTreeHostImpl, aura::WindowTreeHost implementation:
  61
  62 ui::EventSource* WindowTreeHostImpl::GetEventSource() {
  63   return this;
  64 }
  65
  66 gfx::AcceleratedWidget WindowTreeHostImpl::GetAcceleratedWidget() {
  67   NOTIMPLEMENTED() << "GetAcceleratedWidget";
  68   return gfx::kNullAcceleratedWidget;
  69 }
  70
  71 void WindowTreeHostImpl::Show() {
  72   window()->Show();
  73   native_viewport_->Show();
  74 }
  75
  76 void WindowTreeHostImpl::Hide() {
  77   native_viewport_->Hide();
  78   window()->Hide();
  79 }
  80
  81 gfx::Rect WindowTreeHostImpl::GetBounds() const {
  82   return bounds_;
  83 }
  84
  85 void WindowTreeHostImpl::SetBounds(const gfx::Rect& bounds) {
  86   native_viewport_->SetBounds(Rect::From(bounds));
  87 }
  88
  89 gfx::Point WindowTreeHostImpl::GetLocationOnNativeScreen() const {
  90   return gfx::Point(0, 0);
  91 }
  92
  93 void WindowTreeHostImpl::SetCapture() {
  94   NOTIMPLEMENTED();
  95 }
  96
  97 void WindowTreeHostImpl::ReleaseCapture() {
  98   NOTIMPLEMENTED();
  99 }
 100
 101 void WindowTreeHostImpl::PostNativeEvent(
 102     const base::NativeEvent& native_event) {
 103   NOTIMPLEMENTED();
 104 }
 105
 106 void WindowTreeHostImpl::OnDeviceScaleFactorChanged(float device_scale_factor) {
 107   NOTIMPLEMENTED();
 108 }
 109
 110 void WindowTreeHostImpl::SetCursorNative(gfx::NativeCursor cursor) {
 111   NOTIMPLEMENTED();
 112 }
 113
 114 void WindowTreeHostImpl::MoveCursorToNative(const gfx::Point& location) {
 115   NOTIMPLEMENTED();
 116 }
 117
 118 void WindowTreeHostImpl::OnCursorVisibilityChangedNative(bool show) {
 119   NOTIMPLEMENTED();
 120 }
 121
 122 ////////////////////////////////////////////////////////////////////////////////
 123 // WindowTreeHostImpl, ui::EventSource implementation:
 124
 125 ui::EventProcessor* WindowTreeHostImpl::GetEventProcessor() {
 126   return dispatcher();
 127 }
 128
 129 ////////////////////////////////////////////////////////////////////////////////
 130 // WindowTreeHostImpl, NativeViewportClient implementation:
 131
 132 void WindowTreeHostImpl::OnCreated() {
 133   CreateCompositor(GetAcceleratedWidget());
 134   compositor_created_callback_.Run();
 135 }
 136
 137 void WindowTreeHostImpl::OnBoundsChanged(RectPtr bounds) {
 138   bounds_ = bounds.To<gfx::Rect>();
 139   OnHostResized(bounds_.size());
 140 }
 141
 142 void WindowTreeHostImpl::OnDestroyed() {
 143   base::MessageLoop::current()->Quit();
 144 }
 145
 146 void WindowTreeHostImpl::OnEvent(EventPtr event,
 147                                  const mojo::Callback<void()>& callback) {
 148   switch (event->action) {
 149     case ui::ET_MOUSE_PRESSED:
 150     case ui::ET_MOUSE_DRAGGED:
 151     case ui::ET_MOUSE_RELEASED:
 152     case ui::ET_MOUSE_MOVED:
 153     case ui::ET_MOUSE_ENTERED:
 154     case ui::ET_MOUSE_EXITED: {
 155       gfx::Point location(event->location->x, event->location->y);
 156       ui::MouseEvent ev(static_cast<ui::EventType>(event->action), location,
 157                         location, event->flags, 0);
 158       SendEventToProcessor(&ev);
 159       break;
 160     }
 161     case ui::ET_KEY_PRESSED:
 162     case ui::ET_KEY_RELEASED: {
 163       ui::KeyEvent ev(
 164           static_cast<ui::EventType>(event->action),
 165           static_cast<ui::KeyboardCode>(event->key_data->key_code),
 166           event->flags, event->key_data->is_char);
 167       SendEventToProcessor(&ev);
 168       break;
 169     }
 170     // TODO(beng): touch, etc.
 171   }
 172   callback.Run();
 173 };
 174
 175 }  // namespace service
 176 }  // namespace view_manager
 177 }  // namespace mojo