Wires up MotionEvents for mojo_shell_apk on Android.

mojo/services/native_viewport/native_viewport_android.cc

 // Copyright 2013 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 "mojo/services/native_viewport/native_viewport_android.h"
 
 #include <android/native_window_jni.h>
 #include "mojo/services/native_viewport/android/mojo_viewport.h"
 #include "mojo/shell/context.h"
+#include "ui/events/event.h"
+#include "ui/gfx/point.h"
 
 namespace mojo {
 namespace services {
 
 NativeViewportAndroid::NativeViewportAndroid(NativeViewportDelegate* delegate)
     : delegate_(delegate),
       window_(NULL),
+      id_generator_(0),
       weak_factory_(this) {
 }
 
 NativeViewportAndroid::~NativeViewportAndroid() {
   if (window_)
     ReleaseWindow();
 }
 
 void NativeViewportAndroid::OnNativeWindowCreated(ANativeWindow* window) {
   DCHECK(!window_);
   window_ = window;
   delegate_->OnAcceleratedWidgetAvailable(window_);
 }
 
 void NativeViewportAndroid::OnNativeWindowDestroyed() {
   DCHECK(window_);
   ReleaseWindow();
 }
 
 void NativeViewportAndroid::OnResized(const gfx::Size& size) {
   size_ = size;
   delegate_->OnResized(size);
 }
 
+void NativeViewportAndroid::OnTouchEvent(int pointer_id,
+                                         ui::EventType action,
+                                         float x, float y,
+                                         int64 time_ms) {
+  gfx::Point location(static_cast<int>(x), static_cast<int>(y));
+  ui::TouchEvent event(action, location,
+                       id_generator_.GetGeneratedID(pointer_id),
+                       base::TimeDelta::FromMilliseconds(time_ms));
+  // TODO(beng): handle multiple touch-points.
+  delegate_->OnEvent(&event);
+  if (action == ui::ET_TOUCH_RELEASED)
+    id_generator_.ReleaseNumber(pointer_id);
+}
+
 void NativeViewportAndroid::ReleaseWindow() {
   ANativeWindow_release(window_);
   window_ = NULL;
 }
 
 gfx::Size NativeViewportAndroid::GetSize() {
   return size_;
 }
 
 void NativeViewportAndroid::Close() {
@@ skipping 17 matching lines @@
   context->task_runners()->java_runner()->PostTask(FROM_HERE,
       base::Bind(MojoViewport::CreateForActivity,
                  context->activity(),
                  init));
 
    return scoped_ptr<NativeViewport>(native_viewport.Pass());
 }
 
 }  // namespace services
 }  // namespace mojo