Wiring metro mouse events to aura viewer

ui/aura/remote_root_window_host_win.cc

+// Copyright (c) 2012 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/remote_root_window_host_win.h"
+
+#include <windows.h>
+
+#include <algorithm>
+
+#include "base/message_loop.h"
+#include "ui/aura/client/capture_client.h"
+#include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
+#include "ui/base/cursor/cursor_loader_win.h"
+#include "ui/base/events/event.h"
+#include "ui/base/view_prop.h"
+
+using std::max;
+using std::min;
+
+namespace aura {
+
+namespace {
+
+const char* kRootWindowHostWinKey = "__AURA_REMOTE_ROOT_WINDOW_HOST_WIN__";
+
+}  // namespace
+
+RemoteRootWindowHostWin* g_instance = NULL;
+
+RemoteRootWindowHostWin* RemoteRootWindowHostWin::Instance() {
+  return g_instance;
+}
+
+RemoteRootWindowHostWin* RemoteRootWindowHostWin::Create(
+    const gfx::Rect& bounds) {
+  g_instance = new RemoteRootWindowHostWin(bounds);
+  return g_instance;
+}
+
+RemoteRootWindowHostWin::RemoteRootWindowHostWin(const gfx::Rect& bounds)
+    : delegate_(NULL) {
+  prop_.reset(new ui::ViewProp(NULL, kRootWindowHostWinKey, this));
+}
+
+RemoteRootWindowHostWin::~RemoteRootWindowHostWin() {
+}
+
+void RemoteRootWindowHostWin::SetDelegate(RootWindowHostDelegate* delegate) {
+  delegate_ = delegate;
+}
+
+RootWindow* RemoteRootWindowHostWin::GetRootWindow() {
+  return delegate_->AsRootWindow();
+}
+
+gfx::AcceleratedWidget RemoteRootWindowHostWin::GetAcceleratedWidget() {
+  // TODO(cpu): This is bad. Chrome's compositor needs a valid window
+  // initially and then later on we swap it. Since the compositor never
+  // uses this initial window we tell ourselves this hack is ok to get
+  // thing off the ground.
+  return ::GetDesktopWindow();
+}
+
+void RemoteRootWindowHostWin::Show() {
+}
+
+void RemoteRootWindowHostWin::Hide() {
+  NOTIMPLEMENTED();
+}
+
+void RemoteRootWindowHostWin::ToggleFullScreen() {
+}
+
+gfx::Rect RemoteRootWindowHostWin::GetBounds() const {
+  gfx::Rect r(gfx::Point(0, 0), aura::RootWindowHost::GetNativeScreenSize());
+  return r;
+}
+
+void RemoteRootWindowHostWin::SetBounds(const gfx::Rect& bounds) {
+}
+
+gfx::Point RemoteRootWindowHostWin::GetLocationOnNativeScreen() const {
+  return gfx::Point(0, 0);
+}
+
+void RemoteRootWindowHostWin::SetCursor(gfx::NativeCursor native_cursor) {
+}
+
+void RemoteRootWindowHostWin::SetCapture() {
+}
+
+void RemoteRootWindowHostWin::ReleaseCapture() {
+}
+
+void RemoteRootWindowHostWin::ShowCursor(bool show) {
+}
+
+bool RemoteRootWindowHostWin::QueryMouseLocation(gfx::Point* location_return) {
+  POINT pt;
+  GetCursorPos(&pt);
+  *location_return =
+      gfx::Point(static_cast<int>(pt.x), static_cast<int>(pt.y));
+  return true;
+}
+
+bool RemoteRootWindowHostWin::ConfineCursorToRootWindow() {
+  return true;
+}
+
+bool RemoteRootWindowHostWin::GrabSnapshot(
+    const gfx::Rect& snapshot_bounds,
+    std::vector<unsigned char>* png_representation) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void RemoteRootWindowHostWin::UnConfineCursor() {
+}
+
+void RemoteRootWindowHostWin::MoveCursorTo(const gfx::Point& location) {
+}
+
+void RemoteRootWindowHostWin::SetFocusWhenShown(bool focus_when_shown) {
+  NOTIMPLEMENTED();
+}
+
+void RemoteRootWindowHostWin::PostNativeEvent(
+    const base::NativeEvent& native_event) {
+}
+
+void RemoteRootWindowHostWin::OnDeviceScaleFactorChanged(
+    float device_scale_factor) {
+  NOTIMPLEMENTED();
+}
+
+void RemoteRootWindowHostWin::PrepareForShutdown() {
+  NOTIMPLEMENTED();
+}
+
+void RemoteRootWindowHostWin::OnMouseMoved(int x, int y, int extra) {
+  gfx::Point location(x, y);
+  ui::MouseEvent event(ui::ET_MOUSE_MOVED, location, location, 0);
+  delegate_->OnHostMouseEvent(&event);
+}
+
+void RemoteRootWindowHostWin::OnMouseClick(int x, int y, int extra) {
+  gfx::Point location(x, y);
+  ui::EventType type = (extra == 1) ?
+      ui::ET_MOUSE_PRESSED : ui::ET_MOUSE_RELEASED;
+  ui::MouseEvent event(type, location, location, 0);
+  event.SetClickCount(1);
+  event.set_flags(ui::EF_LEFT_MOUSE_BUTTON);
+  delegate_->OnHostMouseEvent(&event);
+}
+
+}  // namespace aura
+