mandoline/ui/aura/window_tree_host_mojo.cc

   1 // Copyright 2015 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 "mandoline/ui/aura/window_tree_host_mojo.h"
   6
   7 #include "components/view_manager/public/cpp/view_manager.h"
   8 #include "mandoline/ui/aura/surface_context_factory.h"
   9 #include "mojo/application/public/interfaces/shell.mojom.h"
  10 #include "mojo/converters/geometry/geometry_type_converters.h"
  11 #include "ui/aura/env.h"
  12 #include "ui/aura/window.h"
  13 #include "ui/aura/window_event_dispatcher.h"
  14 #include "ui/events/event.h"
  15 #include "ui/events/event_constants.h"
  16
  17 namespace mandoline {
  18
  19 ////////////////////////////////////////////////////////////////////////////////
  20 // WindowTreeHostMojo, public:
  21
  22 WindowTreeHostMojo::WindowTreeHostMojo(mojo::Shell* shell, mojo::View* view)
  23     : view_(view), bounds_(view->bounds().To<gfx::Rect>()) {
  24   view_->AddObserver(this);
  25
  26   context_factory_.reset(new SurfaceContextFactory(shell, view_));
  27   // WindowTreeHost creates the compositor using the ContextFactory from
  28   // aura::Env. Install |context_factory_| there so that |context_factory_| is
  29   // picked up.
  30   ui::ContextFactory* default_context_factory =
  31       aura::Env::GetInstance()->context_factory();
  32   aura::Env::GetInstance()->set_context_factory(context_factory_.get());
  33   CreateCompositor(GetAcceleratedWidget());
  34   aura::Env::GetInstance()->set_context_factory(default_context_factory);
  35   DCHECK_EQ(context_factory_.get(), compositor()->context_factory());
  36 }
  37
  38 WindowTreeHostMojo::~WindowTreeHostMojo() {
  39   view_->RemoveObserver(this);
  40   DestroyCompositor();
  41   DestroyDispatcher();
  42 }
  43
  44 ////////////////////////////////////////////////////////////////////////////////
  45 // WindowTreeHostMojo, aura::WindowTreeHost implementation:
  46
  47 ui::EventSource* WindowTreeHostMojo::GetEventSource() {
  48   return this;
  49 }
  50
  51 gfx::AcceleratedWidget WindowTreeHostMojo::GetAcceleratedWidget() {
  52   return gfx::kNullAcceleratedWidget;
  53 }
  54
  55 void WindowTreeHostMojo::ShowImpl() {
  56   window()->Show();
  57 }
  58
  59 void WindowTreeHostMojo::HideImpl() {
  60 }
  61
  62 gfx::Rect WindowTreeHostMojo::GetBounds() const {
  63   return bounds_;
  64 }
  65
  66 void WindowTreeHostMojo::SetBounds(const gfx::Rect& bounds) {
  67   window()->SetBounds(gfx::Rect(bounds.size()));
  68 }
  69
  70 gfx::Point WindowTreeHostMojo::GetLocationOnNativeScreen() const {
  71   return gfx::Point(0, 0);
  72 }
  73
  74 void WindowTreeHostMojo::SetCapture() {
  75   NOTIMPLEMENTED();
  76 }
  77
  78 void WindowTreeHostMojo::ReleaseCapture() {
  79   NOTIMPLEMENTED();
  80 }
  81
  82 void WindowTreeHostMojo::SetCursorNative(gfx::NativeCursor cursor) {
  83   NOTIMPLEMENTED();
  84 }
  85
  86 void WindowTreeHostMojo::MoveCursorToNative(const gfx::Point& location) {
  87   NOTIMPLEMENTED();
  88 }
  89
  90 void WindowTreeHostMojo::OnCursorVisibilityChangedNative(bool show) {
  91   NOTIMPLEMENTED();
  92 }
  93
  94 ////////////////////////////////////////////////////////////////////////////////
  95 // WindowTreeHostMojo, ViewObserver implementation:
  96
  97 void WindowTreeHostMojo::OnViewBoundsChanged(
  98     mojo::View* view,
  99     const mojo::Rect& old_bounds,
 100     const mojo::Rect& new_bounds) {
 101   gfx::Rect old_bounds2 = old_bounds.To<gfx::Rect>();
 102   gfx::Rect new_bounds2 = new_bounds.To<gfx::Rect>();
 103   bounds_ = new_bounds2;
 104   if (old_bounds2.origin() != new_bounds2.origin())
 105     OnHostMoved(bounds_.origin());
 106   if (old_bounds2.size() != new_bounds2.size())
 107     OnHostResized(bounds_.size());
 108 }
 109
 110 }  // namespace mandoline