| // 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/files/file_path.h" |
| #include "base/files/file_util.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/path_service.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 "base/win/windows_version.h" |
| #include "ipc/ipc_channel_proxy.h" |
| #include "ipc/ipc_message.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "ui/aura/remote_window_tree_host_win.h" |
| #include "ui/metro_viewer/metro_viewer_messages.h" |
| #include "win8/viewer/metro_viewer_constants.h" |
| |
| namespace { |
| |
| const int kViewerProcessConnectionTimeoutSecs = 60; |
| |
| } // namespace |
| |
| namespace win8 { |
| |
| // static |
| MetroViewerProcessHost* MetroViewerProcessHost::instance_ = NULL; |
| |
| MetroViewerProcessHost::InternalMessageFilter::InternalMessageFilter( |
| MetroViewerProcessHost* owner) |
| : owner_(owner) { |
| } |
| |
| void MetroViewerProcessHost::InternalMessageFilter::OnChannelConnected( |
| int32 peer_pid) { |
| owner_->NotifyChannelConnected(); |
| } |
| |
| MetroViewerProcessHost::MetroViewerProcessHost( |
| const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner) { |
| DCHECK(!instance_); |
| instance_ = this; |
| |
| channel_ = IPC::ChannelProxy::Create(kMetroViewerIPCChannelName, |
| IPC::Channel::MODE_NAMED_SERVER, |
| this, |
| ipc_task_runner); |
| } |
| |
| MetroViewerProcessHost::~MetroViewerProcessHost() { |
| if (!channel_) { |
| instance_ = NULL; |
| return; |
| } |
| |
| base::ProcessId viewer_process_id = GetViewerProcessId(); |
| channel_->Close(); |
| if (message_filter_.get()) { |
| // Wait for the viewer process to go away. |
| if (viewer_process_id != base::kNullProcessId) { |
| base::Process viewer_process = |
| base::Process::OpenWithAccess( |
| viewer_process_id, |
| PROCESS_QUERY_INFORMATION | SYNCHRONIZE); |
| if (viewer_process.IsValid()) { |
| int exit_code; |
| viewer_process.WaitForExit(&exit_code); |
| } |
| } |
| channel_->RemoveFilter(message_filter_.get()); |
| } |
| instance_ = NULL; |
| } |
| |
| base::ProcessId MetroViewerProcessHost::GetViewerProcessId() { |
| if (channel_) |
| return channel_->GetPeerPID(); |
| return base::kNullProcessId; |
| } |
| |
| bool MetroViewerProcessHost::LaunchViewerAndWaitForConnection( |
| const base::string16& app_user_model_id) { |
| DCHECK_EQ(base::kNullProcessId, channel_->GetPeerPID()); |
| |
| channel_connected_event_.reset(new base::WaitableEvent(false, false)); |
| |
| message_filter_ = new InternalMessageFilter(this); |
| channel_->AddFilter(message_filter_.get()); |
| |
| if (base::win::GetVersion() >= base::win::VERSION_WIN8) { |
| 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; |
| } else { |
| // For Windows 7 we need to launch the viewer ourselves. |
| base::FilePath chrome_path; |
| if (!PathService::Get(base::DIR_EXE, &chrome_path)) |
| return false; |
| // TODO(cpu): launch with "-ServerName:DefaultBrowserServer" |
| // note that the viewer might try to launch chrome again. |
| CHECK(false); |
| } |
| |
| // Having launched the viewer process, now we wait for it to connect. |
| bool success = |
| channel_connected_event_->TimedWait(base::TimeDelta::FromSeconds( |
| kViewerProcessConnectionTimeoutSecs)); |
| channel_connected_event_.reset(); |
| 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_FileSaveAsDone, |
| OnFileSaveAsDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileOpenDone, |
| OnFileOpenDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MultiFileOpenDone, |
| OnMultiFileOpenDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_OpenURL, OnOpenURL) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SearchRequest, OnHandleSearchRequest) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SelectFolderDone, |
| OnSelectFolderDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetTargetSurface, OnSetTargetSurface) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowSizeChanged, |
| OnWindowSizeChanged) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled ? true : |
| aura::RemoteWindowTreeHostWin::Instance()->OnMessageReceived(message); |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleActivateDesktop( |
| const base::FilePath& path, |
| bool ash_exit) { |
| if (instance_) { |
| instance_->Send( |
| new MetroViewerHostMsg_ActivateDesktop(path, ash_exit)); |
| } |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleMetroExit() { |
| if (instance_) |
| instance_->Send(new MetroViewerHostMsg_MetroExit()); |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleOpenFile( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (instance_) { |
| instance_->HandleOpenFileImpl(title, default_path, filter, on_success, |
| on_failure); |
| } |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleOpenMultipleFiles( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenMultipleFilesCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (instance_) { |
| instance_->HandleOpenMultipleFilesImpl(title, default_path, filter, |
| on_success, on_failure); |
| } |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleSaveFile( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| int filter_index, |
| const base::string16& default_extension, |
| const SaveFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (instance_) { |
| instance_->HandleSaveFileImpl(title, default_path, filter, filter_index, |
| default_extension, on_success, on_failure); |
| } |
| } |
| |
| // static |
| void MetroViewerProcessHost::HandleSelectFolder( |
| const base::string16& title, |
| const SelectFolderCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (instance_) |
| instance_->HandleSelectFolderImpl(title, on_success, on_failure); |
| } |
| |
| void MetroViewerProcessHost::HandleOpenFileImpl( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| // Can only have one of these operations in flight. |
| DCHECK(file_open_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| |
| file_open_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| Send(new MetroViewerHostMsg_DisplayFileOpen(title, filter, default_path, |
| false)); |
| } |
| |
| void MetroViewerProcessHost::HandleOpenMultipleFilesImpl( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenMultipleFilesCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| // Can only have one of these operations in flight. |
| DCHECK(multi_file_open_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| multi_file_open_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| Send(new MetroViewerHostMsg_DisplayFileOpen(title, filter, default_path, |
| true)); |
| } |
| |
| void MetroViewerProcessHost::HandleSaveFileImpl( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| int filter_index, |
| const base::string16& default_extension, |
| const SaveFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| MetroViewerHostMsg_SaveAsDialogParams params; |
| params.title = title; |
| params.default_extension = default_extension; |
| params.filter = filter; |
| params.filter_index = filter_index; |
| params.suggested_name = default_path; |
| |
| // Can only have one of these operations in flight. |
| DCHECK(file_saveas_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| file_saveas_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| Send(new MetroViewerHostMsg_DisplayFileSaveAs(params)); |
| } |
| |
| void MetroViewerProcessHost::HandleSelectFolderImpl( |
| const base::string16& title, |
| const SelectFolderCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| // Can only have one of these operations in flight. |
| DCHECK(select_folder_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| select_folder_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| Send(new MetroViewerHostMsg_DisplaySelectFolder(title)); |
| } |
| |
| void MetroViewerProcessHost::NotifyChannelConnected() { |
| if (channel_connected_event_) |
| channel_connected_event_->Signal(); |
| } |
| |
| void MetroViewerProcessHost::OnFileSaveAsDone(bool success, |
| const base::FilePath& filename, |
| int filter_index) { |
| if (success) |
| file_saveas_completion_callback_.Run(filename, filter_index, NULL); |
| else |
| failure_callback_.Run(NULL); |
| file_saveas_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| |
| void MetroViewerProcessHost::OnFileOpenDone(bool success, |
| const base::FilePath& filename) { |
| if (success) |
| file_open_completion_callback_.Run(base::FilePath(filename), 0, NULL); |
| else |
| failure_callback_.Run(NULL); |
| file_open_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| void MetroViewerProcessHost::OnMultiFileOpenDone( |
| bool success, |
| const std::vector<base::FilePath>& files) { |
| if (success) |
| multi_file_open_completion_callback_.Run(files, NULL); |
| else |
| failure_callback_.Run(NULL); |
| multi_file_open_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| void MetroViewerProcessHost::OnSelectFolderDone( |
| bool success, |
| const base::FilePath& folder) { |
| if (success) |
| select_folder_completion_callback_.Run(base::FilePath(folder), 0, NULL); |
| else |
| failure_callback_.Run(NULL); |
| select_folder_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| } // namespace win8 |