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// Copyright (c) 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 "win8/viewer/metro_viewer_process_host.h"
#include <shlobj.h>
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/process/process.h"
#include "base/strings/string16.h"
#include "base/synchronization/waitable_event.h"
#include "base/time/time.h"
#include "base/win/scoped_comptr.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_message_macros.h"
#include "ui/aura/remote_root_window_host_win.h"
#include "ui/metro_viewer/metro_viewer_messages.h"
#include "win8/viewer/metro_viewer_constants.h"
namespace win8 {
MetroViewerProcessHost::InternalMessageFilter::InternalMessageFilter(
MetroViewerProcessHost* owner) : owner_(owner) {
}
void MetroViewerProcessHost::InternalMessageFilter::OnChannelConnected(
int32 /* peer_pid */) {
owner_->NotifyChannelConnected();
}
MetroViewerProcessHost::MetroViewerProcessHost(
base::SingleThreadTaskRunner* ipc_task_runner) {
channel_.reset(new IPC::ChannelProxy(
kMetroViewerIPCChannelName,
IPC::Channel::MODE_NAMED_SERVER,
this,
ipc_task_runner));
}
MetroViewerProcessHost::~MetroViewerProcessHost() {
}
base::ProcessId MetroViewerProcessHost::GetViewerProcessId() {
if (channel_)
return channel_->peer_pid();
return base::kNullProcessId;
}
bool MetroViewerProcessHost::LaunchViewerAndWaitForConnection(
const base::string16& app_user_model_id) {
DCHECK_EQ(base::kNullProcessId, channel_->peer_pid());
channel_connected_event_.reset(new base::WaitableEvent(false, false));
scoped_refptr<InternalMessageFilter> message_filter(
new InternalMessageFilter(this));
channel_->AddFilter(message_filter);
base::win::ScopedComPtr<IApplicationActivationManager> activator;
HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager);
if (SUCCEEDED(hr)) {
DWORD pid = 0;
// Use the "connect" verb to
hr = activator->ActivateApplication(
app_user_model_id.c_str(), kMetroViewerConnectVerb, AO_NONE, &pid);
}
LOG_IF(ERROR, FAILED(hr)) << "Tried and failed to launch Metro Chrome. "
<< "hr=" << std::hex << hr;
// Having launched the viewer process, now we wait for it to connect.
bool success =
channel_connected_event_->TimedWait(base::TimeDelta::FromSeconds(60));
channel_connected_event_.reset();
// |message_filter| is only used to signal |channel_connected_event_| above
// and can thus be removed after |channel_connected_event_| is no longer
// waiting.
channel_->RemoveFilter(message_filter);
return success;
}
bool MetroViewerProcessHost::Send(IPC::Message* msg) {
return channel_->Send(msg);
}
bool MetroViewerProcessHost::OnMessageReceived(
const IPC::Message& message) {
DCHECK(CalledOnValidThread());
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(MetroViewerProcessHost, message)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetTargetSurface, OnSetTargetSurface)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_OpenURL, OnOpenURL)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SearchRequest, OnHandleSearchRequest)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowSizeChanged,
OnWindowSizeChanged)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled ? true :
aura::RemoteRootWindowHostWin::Instance()->OnMessageReceived(message);
}
void MetroViewerProcessHost::NotifyChannelConnected() {
if (channel_connected_event_)
channel_connected_event_->Signal();
}
} // namespace win8
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