blob: 48acaa94ea95781f133a9d6958c52b39b8c47a53 [file] [log] [blame]
// 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 "chrome/utility/chrome_content_utility_client.h"
#include "base/base64.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/json/json_reader.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/path_service.h"
#include "base/scoped_native_library.h"
#include "base/time/time.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_utility_messages.h"
#include "chrome/common/extensions/chrome_extensions_client.h"
#include "chrome/common/extensions/extension_l10n_util.h"
#include "chrome/common/extensions/update_manifest.h"
#include "chrome/common/safe_browsing/zip_analyzer.h"
#include "chrome/utility/cloud_print/bitmap_image.h"
#include "chrome/utility/cloud_print/pwg_encoder.h"
#include "chrome/utility/extensions/unpacker.h"
#include "chrome/utility/profile_import_handler.h"
#include "chrome/utility/web_resource_unpacker.h"
#include "content/public/child/image_decoder_utils.h"
#include "content/public/common/content_paths.h"
#include "content/public/utility/utility_thread.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest.h"
#include "media/base/media.h"
#include "media/base/media_file_checker.h"
#include "printing/page_range.h"
#include "printing/pdf_render_settings.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/zlib/google/zip.h"
#include "ui/base/ui_base_switches.h"
#include "ui/gfx/codec/jpeg_codec.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
#if defined(OS_WIN)
#include "base/win/iat_patch_function.h"
#include "base/win/scoped_handle.h"
#include "chrome/utility/media_galleries/itunes_pref_parser_win.h"
#include "printing/emf_win.h"
#include "ui/gfx/gdi_util.h"
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
#include "chrome/utility/media_galleries/iphoto_library_parser.h"
#endif // defined(OS_MACOSX)
#if defined(OS_WIN) || defined(OS_MACOSX)
#include "chrome/utility/media_galleries/iapps_xml_utils.h"
#include "chrome/utility/media_galleries/itunes_library_parser.h"
#include "chrome/utility/media_galleries/picasa_album_table_reader.h"
#include "chrome/utility/media_galleries/picasa_albums_indexer.h"
#endif // defined(OS_WIN) || defined(OS_MACOSX)
#if defined(ENABLE_FULL_PRINTING)
#include "chrome/common/crash_keys.h"
#include "printing/backend/print_backend.h"
#endif
#if defined(ENABLE_MDNS)
#include "chrome/utility/local_discovery/service_discovery_message_handler.h"
#include "content/public/common/content_switches.h"
#endif // ENABLE_MDNS
namespace chrome {
namespace {
bool Send(IPC::Message* message) {
return content::UtilityThread::Get()->Send(message);
}
void ReleaseProcessIfNeeded() {
content::UtilityThread::Get()->ReleaseProcessIfNeeded();
}
class PdfFunctionsBase {
public:
PdfFunctionsBase() : render_pdf_to_bitmap_func_(NULL),
get_pdf_doc_info_func_(NULL) {}
bool Init() {
base::FilePath pdf_module_path;
if (!PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf_module_path) ||
!base::PathExists(pdf_module_path)) {
return false;
}
pdf_lib_.Reset(base::LoadNativeLibrary(pdf_module_path, NULL));
if (!pdf_lib_.is_valid()) {
LOG(WARNING) << "Couldn't load PDF plugin";
return false;
}
render_pdf_to_bitmap_func_ =
reinterpret_cast<RenderPDFPageToBitmapProc>(
pdf_lib_.GetFunctionPointer("RenderPDFPageToBitmap"));
LOG_IF(WARNING, !render_pdf_to_bitmap_func_) <<
"Missing RenderPDFPageToBitmap";
get_pdf_doc_info_func_ =
reinterpret_cast<GetPDFDocInfoProc>(
pdf_lib_.GetFunctionPointer("GetPDFDocInfo"));
LOG_IF(WARNING, !get_pdf_doc_info_func_) << "Missing GetPDFDocInfo";
if (!render_pdf_to_bitmap_func_ || !get_pdf_doc_info_func_ ||
!PlatformInit(pdf_module_path, pdf_lib_)) {
Reset();
}
return IsValid();
}
bool IsValid() const {
return pdf_lib_.is_valid();
}
void Reset() {
pdf_lib_.Reset(NULL);
}
bool RenderPDFPageToBitmap(const void* pdf_buffer,
int pdf_buffer_size,
int page_number,
void* bitmap_buffer,
int bitmap_width,
int bitmap_height,
int dpi_x,
int dpi_y,
bool autorotate) {
if (!render_pdf_to_bitmap_func_)
return false;
return render_pdf_to_bitmap_func_(pdf_buffer, pdf_buffer_size, page_number,
bitmap_buffer, bitmap_width,
bitmap_height, dpi_x, dpi_y, autorotate);
}
bool GetPDFDocInfo(const void* pdf_buffer,
int buffer_size,
int* page_count,
double* max_page_width) {
if (!get_pdf_doc_info_func_)
return false;
return get_pdf_doc_info_func_(pdf_buffer, buffer_size, page_count,
max_page_width);
}
protected:
virtual bool PlatformInit(
const base::FilePath& pdf_module_path,
const base::ScopedNativeLibrary& pdf_lib) {
return true;
};
private:
// Exported by PDF plugin.
typedef bool (*RenderPDFPageToBitmapProc)(const void* pdf_buffer,
int pdf_buffer_size,
int page_number,
void* bitmap_buffer,
int bitmap_width,
int bitmap_height,
int dpi_x,
int dpi_y,
bool autorotate);
typedef bool (*GetPDFDocInfoProc)(const void* pdf_buffer,
int buffer_size, int* page_count,
double* max_page_width);
RenderPDFPageToBitmapProc render_pdf_to_bitmap_func_;
GetPDFDocInfoProc get_pdf_doc_info_func_;
base::ScopedNativeLibrary pdf_lib_;
DISALLOW_COPY_AND_ASSIGN(PdfFunctionsBase);
};
#if defined(OS_WIN)
// The 2 below IAT patch functions are almost identical to the code in
// render_process_impl.cc. This is needed to work around specific Windows APIs
// used by the Chrome PDF plugin that will fail in the sandbox.
static base::win::IATPatchFunction g_iat_patch_createdca;
HDC WINAPI UtilityProcess_CreateDCAPatch(LPCSTR driver_name,
LPCSTR device_name,
LPCSTR output,
const DEVMODEA* init_data) {
if (driver_name && (std::string("DISPLAY") == driver_name)) {
// CreateDC fails behind the sandbox, but not CreateCompatibleDC.
return CreateCompatibleDC(NULL);
}
NOTREACHED();
return CreateDCA(driver_name, device_name, output, init_data);
}
static base::win::IATPatchFunction g_iat_patch_get_font_data;
DWORD WINAPI UtilityProcess_GetFontDataPatch(
HDC hdc, DWORD table, DWORD offset, LPVOID buffer, DWORD length) {
int rv = GetFontData(hdc, table, offset, buffer, length);
if (rv == GDI_ERROR && hdc) {
HFONT font = static_cast<HFONT>(GetCurrentObject(hdc, OBJ_FONT));
LOGFONT logfont;
if (GetObject(font, sizeof(LOGFONT), &logfont)) {
content::UtilityThread::Get()->PreCacheFont(logfont);
rv = GetFontData(hdc, table, offset, buffer, length);
content::UtilityThread::Get()->ReleaseCachedFonts();
}
}
return rv;
}
class PdfFunctionsWin : public PdfFunctionsBase {
public:
PdfFunctionsWin() : render_pdf_to_dc_func_(NULL) {
}
bool PlatformInit(
const base::FilePath& pdf_module_path,
const base::ScopedNativeLibrary& pdf_lib) OVERRIDE {
// Patch the IAT for handling specific APIs known to fail in the sandbox.
if (!g_iat_patch_createdca.is_patched()) {
g_iat_patch_createdca.Patch(pdf_module_path.value().c_str(),
"gdi32.dll", "CreateDCA",
UtilityProcess_CreateDCAPatch);
}
if (!g_iat_patch_get_font_data.is_patched()) {
g_iat_patch_get_font_data.Patch(pdf_module_path.value().c_str(),
"gdi32.dll", "GetFontData",
UtilityProcess_GetFontDataPatch);
}
render_pdf_to_dc_func_ =
reinterpret_cast<RenderPDFPageToDCProc>(
pdf_lib.GetFunctionPointer("RenderPDFPageToDC"));
LOG_IF(WARNING, !render_pdf_to_dc_func_) << "Missing RenderPDFPageToDC";
return render_pdf_to_dc_func_ != NULL;
}
bool RenderPDFPageToDC(const void* pdf_buffer,
int buffer_size,
int page_number,
HDC dc,
int dpi_x,
int dpi_y,
int bounds_origin_x,
int bounds_origin_y,
int bounds_width,
int bounds_height,
bool fit_to_bounds,
bool stretch_to_bounds,
bool keep_aspect_ratio,
bool center_in_bounds,
bool autorotate) {
if (!render_pdf_to_dc_func_)
return false;
return render_pdf_to_dc_func_(pdf_buffer, buffer_size, page_number,
dc, dpi_x, dpi_y, bounds_origin_x,
bounds_origin_y, bounds_width, bounds_height,
fit_to_bounds, stretch_to_bounds,
keep_aspect_ratio, center_in_bounds,
autorotate);
}
private:
// Exported by PDF plugin.
typedef bool (*RenderPDFPageToDCProc)(
const void* pdf_buffer, int buffer_size, int page_number, HDC dc,
int dpi_x, int dpi_y, int bounds_origin_x, int bounds_origin_y,
int bounds_width, int bounds_height, bool fit_to_bounds,
bool stretch_to_bounds, bool keep_aspect_ratio, bool center_in_bounds,
bool autorotate);
RenderPDFPageToDCProc render_pdf_to_dc_func_;
DISALLOW_COPY_AND_ASSIGN(PdfFunctionsWin);
};
typedef PdfFunctionsWin PdfFunctions;
#else // OS_WIN
typedef PdfFunctionsBase PdfFunctions;
#endif // OS_WIN
static base::LazyInstance<PdfFunctions> g_pdf_lib = LAZY_INSTANCE_INITIALIZER;
} // namespace
ChromeContentUtilityClient::ChromeContentUtilityClient() {
#if !defined(OS_ANDROID)
handlers_.push_back(new ProfileImportHandler());
#endif // OS_ANDROID
#if defined(ENABLE_MDNS)
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUtilityProcessEnableMDns)) {
handlers_.push_back(new local_discovery::ServiceDiscoveryMessageHandler());
}
#endif // ENABLE_MDNS
}
ChromeContentUtilityClient::~ChromeContentUtilityClient() {
}
void ChromeContentUtilityClient::UtilityThreadStarted() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
std::string lang = command_line->GetSwitchValueASCII(switches::kLang);
if (!lang.empty())
extension_l10n_util::SetProcessLocale(lang);
}
bool ChromeContentUtilityClient::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(ChromeContentUtilityClient, message)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackExtension, OnUnpackExtension)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackWebResource,
OnUnpackWebResource)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseUpdateManifest,
OnParseUpdateManifest)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImage, OnDecodeImage)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImageBase64, OnDecodeImageBase64)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_RenderPDFPagesToMetafile,
OnRenderPDFPagesToMetafile)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_RenderPDFPagesToPWGRaster,
OnRenderPDFPagesToPWGRaster)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_RobustJPEGDecodeImage,
OnRobustJPEGDecodeImage)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseJSON, OnParseJSON)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_GetPrinterCapsAndDefaults,
OnGetPrinterCapsAndDefaults)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_StartupPing, OnStartupPing)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_AnalyzeZipFileForDownloadProtection,
OnAnalyzeZipFileForDownloadProtection)
#if !defined(OS_ANDROID) && !defined(OS_IOS)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CheckMediaFile, OnCheckMediaFile)
#endif // !defined(OS_ANDROID) && !defined(OS_IOS)
#if defined(OS_CHROMEOS)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CreateZipFile, OnCreateZipFile)
#endif // defined(OS_CHROMEOS)
#if defined(OS_WIN)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseITunesPrefXml,
OnParseITunesPrefXml)
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseIPhotoLibraryXmlFile,
OnParseIPhotoLibraryXmlFile)
#endif // defined(OS_MACOSX)
#if defined(OS_WIN) || defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseITunesLibraryXmlFile,
OnParseITunesLibraryXmlFile)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParsePicasaPMPDatabase,
OnParsePicasaPMPDatabase)
IPC_MESSAGE_HANDLER(ChromeUtilityMsg_IndexPicasaAlbumsContents,
OnIndexPicasaAlbumsContents)
#endif // defined(OS_WIN) || defined(OS_MACOSX)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
for (Handlers::iterator it = handlers_.begin();
!handled && it != handlers_.end(); ++it) {
handled = (*it)->OnMessageReceived(message);
}
return handled;
}
// static
void ChromeContentUtilityClient::PreSandboxStartup() {
#if defined(ENABLE_MDNS)
local_discovery::ServiceDiscoveryMessageHandler::PreSandboxStartup();
#endif // ENABLE_MDNS
g_pdf_lib.Get().Init();
// Load media libraries for media file validation.
base::FilePath media_path;
PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
if (!media_path.empty())
media::InitializeMediaLibrary(media_path);
}
void ChromeContentUtilityClient::OnUnpackExtension(
const base::FilePath& extension_path,
const std::string& extension_id,
int location,
int creation_flags) {
CHECK_GT(location, extensions::Manifest::INVALID_LOCATION);
CHECK_LT(location, extensions::Manifest::NUM_LOCATIONS);
extensions::ExtensionsClient::Set(
extensions::ChromeExtensionsClient::GetInstance());
extensions::Unpacker unpacker(
extension_path,
extension_id,
static_cast<extensions::Manifest::Location>(location),
creation_flags);
if (unpacker.Run() && unpacker.DumpImagesToFile() &&
unpacker.DumpMessageCatalogsToFile()) {
Send(new ChromeUtilityHostMsg_UnpackExtension_Succeeded(
*unpacker.parsed_manifest()));
} else {
Send(new ChromeUtilityHostMsg_UnpackExtension_Failed(
unpacker.error_message()));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnUnpackWebResource(
const std::string& resource_data) {
// Parse json data.
// TODO(mrc): Add the possibility of a template that controls parsing, and
// the ability to download and verify images.
WebResourceUnpacker unpacker(resource_data);
if (unpacker.Run()) {
Send(new ChromeUtilityHostMsg_UnpackWebResource_Succeeded(
*unpacker.parsed_json()));
} else {
Send(new ChromeUtilityHostMsg_UnpackWebResource_Failed(
unpacker.error_message()));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnParseUpdateManifest(const std::string& xml) {
UpdateManifest manifest;
if (!manifest.Parse(xml)) {
Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Failed(
manifest.errors()));
} else {
Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded(
manifest.results()));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnDecodeImage(
const std::vector<unsigned char>& encoded_data) {
const SkBitmap& decoded_image = content::DecodeImage(&encoded_data[0],
gfx::Size(),
encoded_data.size());
if (decoded_image.empty()) {
Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
} else {
Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(decoded_image));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnDecodeImageBase64(
const std::string& encoded_string) {
std::string decoded_string;
if (!base::Base64Decode(encoded_string, &decoded_string)) {
Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
return;
}
std::vector<unsigned char> decoded_vector(decoded_string.size());
for (size_t i = 0; i < decoded_string.size(); ++i) {
decoded_vector[i] = static_cast<unsigned char>(decoded_string[i]);
}
OnDecodeImage(decoded_vector);
}
#if defined(OS_CHROMEOS)
void ChromeContentUtilityClient::OnCreateZipFile(
const base::FilePath& src_dir,
const std::vector<base::FilePath>& src_relative_paths,
const base::FileDescriptor& dest_fd) {
bool succeeded = true;
// Check sanity of source relative paths. Reject if path is absolute or
// contains any attempt to reference a parent directory ("../" tricks).
for (std::vector<base::FilePath>::const_iterator iter =
src_relative_paths.begin(); iter != src_relative_paths.end();
++iter) {
if (iter->IsAbsolute() || iter->ReferencesParent()) {
succeeded = false;
break;
}
}
if (succeeded)
succeeded = zip::ZipFiles(src_dir, src_relative_paths, dest_fd.fd);
if (succeeded)
Send(new ChromeUtilityHostMsg_CreateZipFile_Succeeded());
else
Send(new ChromeUtilityHostMsg_CreateZipFile_Failed());
ReleaseProcessIfNeeded();
}
#endif // defined(OS_CHROMEOS)
void ChromeContentUtilityClient::OnRenderPDFPagesToMetafile(
base::PlatformFile pdf_file,
const base::FilePath& metafile_path,
const printing::PdfRenderSettings& settings,
const std::vector<printing::PageRange>& page_ranges) {
bool succeeded = false;
#if defined(OS_WIN)
int highest_rendered_page_number = 0;
double scale_factor = 1.0;
succeeded = RenderPDFToWinMetafile(pdf_file,
metafile_path,
settings,
page_ranges,
&highest_rendered_page_number,
&scale_factor);
if (succeeded) {
Send(new ChromeUtilityHostMsg_RenderPDFPagesToMetafile_Succeeded(
highest_rendered_page_number, scale_factor));
}
#endif // defined(OS_WIN)
if (!succeeded) {
Send(new ChromeUtilityHostMsg_RenderPDFPagesToMetafile_Failed());
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnRenderPDFPagesToPWGRaster(
IPC::PlatformFileForTransit pdf_transit,
const printing::PdfRenderSettings& settings,
IPC::PlatformFileForTransit bitmap_transit) {
base::PlatformFile pdf =
IPC::PlatformFileForTransitToPlatformFile(pdf_transit);
base::PlatformFile bitmap =
IPC::PlatformFileForTransitToPlatformFile(bitmap_transit);
if (RenderPDFPagesToPWGRaster(pdf, settings, bitmap)) {
Send(new ChromeUtilityHostMsg_RenderPDFPagesToPWGRaster_Succeeded());
} else {
Send(new ChromeUtilityHostMsg_RenderPDFPagesToPWGRaster_Failed());
}
ReleaseProcessIfNeeded();
}
#if defined(OS_WIN)
bool ChromeContentUtilityClient::RenderPDFToWinMetafile(
base::PlatformFile pdf_file,
const base::FilePath& metafile_path,
const printing::PdfRenderSettings& settings,
const std::vector<printing::PageRange>& page_ranges,
int* highest_rendered_page_number,
double* scale_factor) {
*highest_rendered_page_number = -1;
*scale_factor = 1.0;
base::win::ScopedHandle file(pdf_file);
if (!g_pdf_lib.Get().IsValid())
return false;
// TODO(sanjeevr): Add a method to the PDF DLL that takes in a file handle
// and a page range array. That way we don't need to read the entire PDF into
// memory.
DWORD length = ::GetFileSize(file, NULL);
if (length == INVALID_FILE_SIZE)
return false;
std::vector<uint8> buffer;
buffer.resize(length);
DWORD bytes_read = 0;
if (!ReadFile(pdf_file, &buffer.front(), length, &bytes_read, NULL) ||
(bytes_read != length)) {
return false;
}
int total_page_count = 0;
if (!g_pdf_lib.Get().GetPDFDocInfo(&buffer.front(), buffer.size(),
&total_page_count, NULL)) {
return false;
}
printing::Emf metafile;
metafile.InitToFile(metafile_path);
// We need to scale down DC to fit an entire page into DC available area.
// Current metafile is based on screen DC and have current screen size.
// Writing outside of those boundaries will result in the cut-off output.
// On metafiles (this is the case here), scaling down will still record
// original coordinates and we'll be able to print in full resolution.
// Before playback we'll need to counter the scaling up that will happen
// in the service (print_system_win.cc).
*scale_factor = gfx::CalculatePageScale(metafile.context(),
settings.area().right(),
settings.area().bottom());
gfx::ScaleDC(metafile.context(), *scale_factor);
bool ret = false;
std::vector<printing::PageRange>::const_iterator iter;
for (iter = page_ranges.begin(); iter != page_ranges.end(); ++iter) {
for (int page_number = iter->from; page_number <= iter->to; ++page_number) {
if (page_number >= total_page_count)
break;
// The underlying metafile is of type Emf and ignores the arguments passed
// to StartPage.
metafile.StartPage(gfx::Size(), gfx::Rect(), 1);
if (g_pdf_lib.Get().RenderPDFPageToDC(
&buffer.front(), buffer.size(), page_number, metafile.context(),
settings.dpi(), settings.dpi(), settings.area().x(),
settings.area().y(), settings.area().width(),
settings.area().height(), true, false, true, true,
settings.autorotate())) {
if (*highest_rendered_page_number < page_number)
*highest_rendered_page_number = page_number;
ret = true;
}
metafile.FinishPage();
}
}
metafile.FinishDocument();
return ret;
}
#endif // defined(OS_WIN)
bool ChromeContentUtilityClient::RenderPDFPagesToPWGRaster(
base::PlatformFile pdf_file,
const printing::PdfRenderSettings& settings,
base::PlatformFile bitmap_file) {
bool autoupdate = true;
if (!g_pdf_lib.Get().IsValid())
return false;
base::PlatformFileInfo info;
if (!base::GetPlatformFileInfo(pdf_file, &info) || info.size <= 0)
return false;
std::string data(info.size, 0);
int data_size = base::ReadPlatformFile(pdf_file, 0, &data[0], data.size());
if (data_size != static_cast<int>(data.size()))
return false;
int total_page_count = 0;
if (!g_pdf_lib.Get().GetPDFDocInfo(data.data(), data.size(),
&total_page_count, NULL)) {
return false;
}
cloud_print::PwgEncoder encoder;
std::string pwg_header;
encoder.EncodeDocumentHeader(&pwg_header);
int bytes_written = base::WritePlatformFileAtCurrentPos(bitmap_file,
pwg_header.data(),
pwg_header.size());
if (bytes_written != static_cast<int>(pwg_header.size()))
return false;
cloud_print::BitmapImage image(settings.area().size(),
cloud_print::BitmapImage::BGRA);
for (int i = 0; i < total_page_count; ++i) {
if (!g_pdf_lib.Get().RenderPDFPageToBitmap(
data.data(), data.size(), i, image.pixel_data(),
image.size().width(), image.size().height(), settings.dpi(),
settings.dpi(), autoupdate)) {
return false;
}
std::string pwg_page;
if (!encoder.EncodePage(image, settings.dpi(), total_page_count, &pwg_page))
return false;
bytes_written = base::WritePlatformFileAtCurrentPos(bitmap_file,
pwg_page.data(),
pwg_page.size());
if (bytes_written != static_cast<int>(pwg_page.size()))
return false;
}
return true;
}
void ChromeContentUtilityClient::OnRobustJPEGDecodeImage(
const std::vector<unsigned char>& encoded_data) {
// Our robust jpeg decoding is using IJG libjpeg.
if (gfx::JPEGCodec::JpegLibraryVariant() == gfx::JPEGCodec::IJG_LIBJPEG) {
scoped_ptr<SkBitmap> decoded_image(gfx::JPEGCodec::Decode(
&encoded_data[0], encoded_data.size()));
if (!decoded_image.get() || decoded_image->empty()) {
Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
} else {
Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(*decoded_image));
}
} else {
Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnParseJSON(const std::string& json) {
int error_code;
std::string error;
base::Value* value = base::JSONReader::ReadAndReturnError(
json, base::JSON_PARSE_RFC, &error_code, &error);
if (value) {
base::ListValue wrapper;
wrapper.Append(value);
Send(new ChromeUtilityHostMsg_ParseJSON_Succeeded(wrapper));
} else {
Send(new ChromeUtilityHostMsg_ParseJSON_Failed(error));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnGetPrinterCapsAndDefaults(
const std::string& printer_name) {
#if defined(ENABLE_FULL_PRINTING)
scoped_refptr<printing::PrintBackend> print_backend =
printing::PrintBackend::CreateInstance(NULL);
printing::PrinterCapsAndDefaults printer_info;
crash_keys::ScopedPrinterInfo crash_key(
print_backend->GetPrinterDriverInfo(printer_name));
if (print_backend->GetPrinterCapsAndDefaults(printer_name, &printer_info)) {
Send(new ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Succeeded(
printer_name, printer_info));
} else // NOLINT
#endif
{
Send(new ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Failed(
printer_name));
}
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnStartupPing() {
Send(new ChromeUtilityHostMsg_ProcessStarted);
// Don't release the process, we assume further messages are on the way.
}
void ChromeContentUtilityClient::OnAnalyzeZipFileForDownloadProtection(
const IPC::PlatformFileForTransit& zip_file) {
safe_browsing::zip_analyzer::Results results;
safe_browsing::zip_analyzer::AnalyzeZipFile(
IPC::PlatformFileForTransitToPlatformFile(zip_file), &results);
Send(new ChromeUtilityHostMsg_AnalyzeZipFileForDownloadProtection_Finished(
results));
ReleaseProcessIfNeeded();
}
#if !defined(OS_ANDROID) && !defined(OS_IOS)
void ChromeContentUtilityClient::OnCheckMediaFile(
int64 milliseconds_of_decoding,
const IPC::PlatformFileForTransit& media_file) {
media::MediaFileChecker
checker(IPC::PlatformFileForTransitToPlatformFile(media_file));
const bool check_success = checker.Start(
base::TimeDelta::FromMilliseconds(milliseconds_of_decoding));
Send(new ChromeUtilityHostMsg_CheckMediaFile_Finished(check_success));
ReleaseProcessIfNeeded();
}
#endif // !defined(OS_ANDROID) && !defined(OS_IOS)
#if defined(OS_WIN)
void ChromeContentUtilityClient::OnParseITunesPrefXml(
const std::string& itunes_xml_data) {
base::FilePath library_path(
itunes::FindLibraryLocationInPrefXml(itunes_xml_data));
Send(new ChromeUtilityHostMsg_GotITunesDirectory(library_path));
ReleaseProcessIfNeeded();
}
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
void ChromeContentUtilityClient::OnParseIPhotoLibraryXmlFile(
const IPC::PlatformFileForTransit& iphoto_library_file) {
iphoto::IPhotoLibraryParser parser;
base::PlatformFile file =
IPC::PlatformFileForTransitToPlatformFile(iphoto_library_file);
bool result = parser.Parse(iapps::ReadPlatformFileAsString(file));
Send(new ChromeUtilityHostMsg_GotIPhotoLibrary(result, parser.library()));
ReleaseProcessIfNeeded();
}
#endif // defined(OS_MACOSX)
#if defined(OS_WIN) || defined(OS_MACOSX)
void ChromeContentUtilityClient::OnParseITunesLibraryXmlFile(
const IPC::PlatformFileForTransit& itunes_library_file) {
itunes::ITunesLibraryParser parser;
base::PlatformFile file =
IPC::PlatformFileForTransitToPlatformFile(itunes_library_file);
bool result = parser.Parse(iapps::ReadPlatformFileAsString(file));
Send(new ChromeUtilityHostMsg_GotITunesLibrary(result, parser.library()));
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnParsePicasaPMPDatabase(
const picasa::AlbumTableFilesForTransit& album_table_files) {
picasa::AlbumTableFiles files;
files.indicator_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.indicator_file);
files.category_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.category_file);
files.date_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.date_file);
files.filename_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.filename_file);
files.name_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.name_file);
files.token_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.token_file);
files.uid_file = IPC::PlatformFileForTransitToPlatformFile(
album_table_files.uid_file);
picasa::PicasaAlbumTableReader reader(files);
bool parse_success = reader.Init();
Send(new ChromeUtilityHostMsg_ParsePicasaPMPDatabase_Finished(
parse_success,
reader.albums(),
reader.folders()));
ReleaseProcessIfNeeded();
}
void ChromeContentUtilityClient::OnIndexPicasaAlbumsContents(
const picasa::AlbumUIDSet& album_uids,
const std::vector<picasa::FolderINIContents>& folders_inis) {
picasa::PicasaAlbumsIndexer indexer(album_uids);
indexer.ParseFolderINI(folders_inis);
Send(new ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished(
indexer.albums_images()));
ReleaseProcessIfNeeded();
}
#endif // defined(OS_WIN) || defined(OS_MACOSX)
} // namespace chrome