Give names to all utility processes.
[chromium-blink-merge.git] / chrome / browser / media_galleries / fileapi / safe_audio_video_checker.cc
blobf4f67a8bd97b09b49050d2c3b1b8d3921bc3cfa0
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/media_galleries/fileapi/safe_audio_video_checker.h"
7 #include "base/bind.h"
8 #include "base/callback.h"
9 #include "base/location.h"
10 #include "base/logging.h"
11 #include "base/process/process_handle.h"
12 #include "chrome/common/chrome_utility_messages.h"
13 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
14 #include "chrome/grit/generated_resources.h"
15 #include "content/public/browser/child_process_data.h"
16 #include "content/public/browser/utility_process_host.h"
17 #include "content/public/browser/browser_thread.h"
18 #include "ipc/ipc_message_macros.h"
19 #include "ipc/ipc_platform_file.h"
20 #include "ui/base/l10n/l10n_util.h"
22 SafeAudioVideoChecker::SafeAudioVideoChecker(
23 base::File file,
24 const storage::CopyOrMoveFileValidator::ResultCallback& callback)
25 : state_(INITIAL_STATE), file_(file.Pass()), callback_(callback) {
26 DCHECK(!callback.is_null());
29 void SafeAudioVideoChecker::Start() {
30 DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
31 if (state_ != INITIAL_STATE)
32 return;
33 state_ = PINGED_STATE;
35 if (!file_.IsValid()) {
36 callback_.Run(base::File::FILE_ERROR_SECURITY);
37 state_ = FINISHED_STATE;
38 return;
41 utility_process_host_ = content::UtilityProcessHost::Create(
42 this, base::MessageLoopProxy::current())->AsWeakPtr();
43 utility_process_host_->SetName(l10n_util::GetStringUTF16(
44 IDS_UTILITY_PROCESS_MEDIA_FILE_CHECKER_NAME));
45 utility_process_host_->Send(new ChromeUtilityMsg_StartupPing);
48 SafeAudioVideoChecker::~SafeAudioVideoChecker() {}
50 void SafeAudioVideoChecker::OnProcessStarted() {
51 DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
52 if (state_ != PINGED_STATE)
53 return;
54 state_ = STARTED_STATE;
56 if (utility_process_host_->GetData().handle == base::kNullProcessHandle)
57 DLOG(ERROR) << "Child process handle is null";
58 IPC::PlatformFileForTransit file_for_transit =
59 IPC::TakeFileHandleForProcess(file_.Pass(),
60 utility_process_host_->GetData().handle);
61 if (file_for_transit == IPC::InvalidPlatformFileForTransit()) {
62 OnCheckingFinished(false /* valid? */);
63 return;
65 const int64 kFileDecodeTimeInMS = 250;
66 utility_process_host_->Send(new ChromeUtilityMsg_CheckMediaFile(
67 kFileDecodeTimeInMS, file_for_transit));
70 void SafeAudioVideoChecker::OnCheckingFinished(bool valid) {
71 DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
72 if (state_ != STARTED_STATE)
73 return;
74 state_ = FINISHED_STATE;
76 callback_.Run(valid ? base::File::FILE_OK :
77 base::File::FILE_ERROR_SECURITY);
80 void SafeAudioVideoChecker::OnProcessCrashed(int exit_code) {
81 OnCheckingFinished(false);
84 bool SafeAudioVideoChecker::OnMessageReceived(const IPC::Message& message) {
85 bool handled = true;
86 IPC_BEGIN_MESSAGE_MAP(SafeAudioVideoChecker, message)
87 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ProcessStarted,
88 OnProcessStarted)
89 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CheckMediaFile_Finished,
90 OnCheckingFinished)
91 IPC_MESSAGE_UNHANDLED(handled = false)
92 IPC_END_MESSAGE_MAP()
93 return handled;