in-chrome viewer for metro

chrome/browser/viewer/viewer_process_host.cc

+// Copyright 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 "chrome/browser/viewer/viewer_process_host.h"
+
+#include "base/logging.h"
+#include "chrome/common/viewer_messages.h"
+#include "content/public/browser/browser_thread.h"
+#include "ipc/ipc_channel.h"
+#include "ui/surface/accelerated_surface_win.h"
+
+namespace viewer {
+
+ViewerProcessHost::ViewerProcessHost() {
+  DVLOG(ERROR) << __FUNCTION__ << ", ViewerProcessHost";

[jam, 2012/09/27 21:18:40]

error?

[scottmg, 2012/09/28 04:50:45]

Done. (deleted)

+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE, base::Bind(
+          &ViewerProcessHost::CreateChannel, base::Unretained(this)));

[jam, 2012/09/27 21:18:40]

how is this safe (i.e. that this object is deleted before this runs)? why not
use a WeakPtrFactory?

[scottmg, 2012/09/28 04:50:45]

Done.

+}
+
+ViewerProcessHost::~ViewerProcessHost() {
+}
+
+bool ViewerProcessHost::Send(IPC::Message* msg) {
+  return false;

[jam, 2012/09/27 21:18:40]

nit: return channel_->Send(msg)?

[scottmg, 2012/09/28 04:50:45]

Done.

+}
+
+bool ViewerProcessHost::OnMessageReceived(const IPC::Message& message) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ViewerProcessHost, message)
+    IPC_MESSAGE_HANDLER(ViewerHostMsg_SetTargetSurface, OnSetTargetSurface)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void ViewerProcessHost::OnChannelConnected(int32 peer_pid) {
+  NOTIMPLEMENTED();

[jam, 2012/09/27 21:18:40]

nit: if you don't need these, no need to override them yet

[scottmg, 2012/09/28 04:50:45]

Done.

+}
+
+void ViewerProcessHost::OnChannelError() {
+  NOTIMPLEMENTED();
+}
+
+void ViewerProcessHost::OnSetTargetSurface(uint32 target_surface) {
+  DVLOG(ERROR) << __FUNCTION__ << target_surface;
+  HWND hwnd = reinterpret_cast<HWND>(target_surface);
+
+  scoped_refptr<AcceleratedPresenter> any_window =
+      AcceleratedPresenter::GetForWindow(NULL);
+  any_window->SetNewTargetWindow(hwnd);
+}
+
+void ViewerProcessHost::CreateChannel() {
+  DVLOG(ERROR) << __FUNCTION__ << ", in browser";
+  channel_.reset(new IPC::Channel(
+        "viewer", IPC::Channel::MODE_NAMED_SERVER, this));
+  DVLOG(ERROR) << __FUNCTION__ << ", calling Connect";
+  if (!channel_->Connect()) {
+    DVLOG(ERROR) << "Couldn't connect.";
+  }
+  DVLOG(ERROR) << __FUNCTION__ << ", done";
+}
+
+}  // namespace viewer