Browser frame for Aura Android.

ui/aura/window_tree_host_platform.cc

 // Copyright 2015 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_platform.h"
 
 #include "base/trace_event/trace_event.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/compositor.h"
 #include "ui/events/event.h"
 #include "ui/gfx/screen.h"
 
 #if defined(OS_ANDROID)
 #include "ui/platform_window/android/platform_window_android.h"
 #endif
 
 #if defined(USE_OZONE)
 #include "ui/ozone/public/ozone_platform.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/message_loop/message_loop.h"
 #include "ui/base/cursor/cursor_loader_win.h"
 #include "ui/platform_window/win/win_window.h"
 #endif
 
 namespace aura {
+namespace {
+static WindowTreeHostAndroid* instance = nullptr;

[no sievers, 2015/10/28 20:04:51]

this class is not a singleton, there will be multiple, so this doesn't work

[Hadi, 2015/10/29 15:27:02]

Going to look into this.

[mfomitchev, 2015/10/29 15:53:44]

@sievers: added you to https://codereview.chromium.org/1408373005/

+}
 
 // static
 WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) {
   return new WindowTreeHostPlatform(bounds);
 }
 
 WindowTreeHostPlatform::WindowTreeHostPlatform(const gfx::Rect& bounds)
     : widget_(gfx::kNullAcceleratedWidget),
       current_cursor_(ui::kCursorNull),
       has_capture_(false) {
+  DCHECK(!instance);
+  instance = this;
 #if defined(USE_OZONE)
   window_ =
       ui::OzonePlatform::GetInstance()->CreatePlatformWindow(this, bounds);
 #elif defined(OS_WIN)
   window_.reset(new ui::WinWindow(this, bounds));
 #elif defined(OS_ANDROID)
   window_.reset(new ui::PlatformWindowAndroid(this));
 #else
   NOTIMPLEMENTED();
 #endif
 }
 
 WindowTreeHostPlatform::~WindowTreeHostPlatform() {
   DestroyCompositor();
   DestroyDispatcher();
 }
 
+WindowTreeHostPlatform* WindowTreeHostPlatform::GetHost() {
+  return host;
+}
+
 ui::EventSource* WindowTreeHostPlatform::GetEventSource() {
   return this;
 }
 
 gfx::AcceleratedWidget WindowTreeHostPlatform::GetAcceleratedWidget() {
   return widget_;
 }
 
 void WindowTreeHostPlatform::ShowImpl() {
   window_->Show();
@@ skipping 108 matching lines @@
   DCHECK_EQ(widget, widget_);
   widget_ = gfx::kNullAcceleratedWidget;
 }
 
 void WindowTreeHostPlatform::OnActivationChanged(bool active) {
   if (active)
     OnHostActivated();
 }
 
 }  // namespace aura