blob: 81302507998819c9c2fca0d9efaafba26d162cbb [file] [log] [blame]
// Copyright 2015 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/download/download_commands.h"
#include <stdint.h>
#include "base/base64.h"
#include "base/files/file_util.h"
#include "base/macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/post_task.h"
#include "base/threading/scoped_blocking_call.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/download/download_crx_util.h"
#include "chrome/browser/download/download_ui_model.h"
#include "chrome/browser/image_decoder.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/safe_browsing/download_protection/download_protection_service.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/common/safe_browsing/file_type_policies.h"
#include "chrome/common/url_constants.h"
#include "components/google/core/common/google_util.h"
#include "components/safe_browsing/proto/csd.pb.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/url_util.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#if defined(OS_WIN)
#include "chrome/browser/download/download_target_determiner.h"
#include "chrome/browser/ui/pdf/adobe_reader_info_win.h"
#endif
namespace {
// Maximum size (compressed) of image to be copied to the clipboard. If the
// image exceeds this size, the image is not copied.
const int64_t kMaxImageClipboardSize = 20 * 1024 * 1024; // 20 MB
class ImageClipboardCopyManager : public ImageDecoder::ImageRequest {
public:
static void Start(const base::FilePath& file_path,
base::SequencedTaskRunner* task_runner) {
new ImageClipboardCopyManager(file_path, task_runner);
}
private:
ImageClipboardCopyManager(const base::FilePath& file_path,
base::SequencedTaskRunner* task_runner)
: file_path_(file_path) {
// Constructor must be called in the UI thread.
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
task_runner->PostTask(
FROM_HERE, base::BindOnce(&ImageClipboardCopyManager::StartDecoding,
base::Unretained(this)));
}
void StartDecoding() {
base::ScopedBlockingCall scoped_blocking_call(
base::BlockingType::WILL_BLOCK);
// Re-check the filesize since the file may be modified after downloaded.
int64_t filesize;
if (!GetFileSize(file_path_, &filesize) ||
filesize > kMaxImageClipboardSize) {
OnFailedBeforeDecoding();
return;
}
std::string data;
bool ret = base::ReadFileToString(file_path_, &data);
if (!ret || data.empty()) {
OnFailedBeforeDecoding();
return;
}
// Note: An image over 128MB (uncompressed) may fail, due to the limitation
// of IPC message size.
ImageDecoder::Start(this, data);
}
void OnImageDecoded(const SkBitmap& decoded_image) override {
// This method is called on the same thread as constructor (the UI thread).
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
ui::ScopedClipboardWriter scw(ui::CLIPBOARD_TYPE_COPY_PASTE);
scw.Reset();
if (!decoded_image.empty() && !decoded_image.isNull())
scw.WriteImage(decoded_image);
delete this;
}
void OnDecodeImageFailed() override {
// This method is called on the same thread as constructor (the UI thread).
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
delete this;
}
void OnFailedBeforeDecoding() {
// We don't need to cancel the job, since it shouldn't be started here.
task_runner()->DeleteSoon(FROM_HERE, this);
}
const base::FilePath file_path_;
DISALLOW_IMPLICIT_CONSTRUCTORS(ImageClipboardCopyManager);
};
} // namespace
DownloadCommands::DownloadCommands(DownloadUIModel* model) : model_(model) {
DCHECK(model_);
}
DownloadCommands::~DownloadCommands() = default;
GURL DownloadCommands::GetLearnMoreURLForInterruptedDownload() const {
GURL learn_more_url(chrome::kDownloadInterruptedLearnMoreURL);
learn_more_url = google_util::AppendGoogleLocaleParam(
learn_more_url, g_browser_process->GetApplicationLocale());
return net::AppendQueryParameter(
learn_more_url, "ctx",
base::IntToString(static_cast<int>(model_->download()->GetLastReason())));
}
bool DownloadCommands::IsCommandEnabled(Command command) const {
return model_->IsCommandEnabled(this, command);
}
bool DownloadCommands::IsCommandChecked(Command command) const {
return model_->IsCommandChecked(this, command);
}
bool DownloadCommands::IsCommandVisible(Command command) const {
if (command == PLATFORM_OPEN)
return model_->ShouldPreferOpeningInBrowser();
return true;
}
void DownloadCommands::ExecuteCommand(Command command) {
model_->ExecuteCommand(this, command);
}
Browser* DownloadCommands::GetBrowser() const {
chrome::ScopedTabbedBrowserDisplayer browser_displayer(model_->profile());
DCHECK(browser_displayer.browser());
return browser_displayer.browser();
}
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
bool DownloadCommands::IsDownloadPdf() const {
base::FilePath path = model_->GetTargetFilePath();
return path.MatchesExtension(FILE_PATH_LITERAL(".pdf"));
}
#endif
bool DownloadCommands::CanOpenPdfInSystemViewer() const {
#if defined(OS_WIN)
bool is_adobe_pdf_reader_up_to_date = false;
if (IsDownloadPdf() && IsAdobeReaderDefaultPDFViewer()) {
is_adobe_pdf_reader_up_to_date =
DownloadTargetDeterminer::IsAdobeReaderUpToDate();
}
return IsDownloadPdf() &&
(IsAdobeReaderDefaultPDFViewer() ? is_adobe_pdf_reader_up_to_date
: true);
#elif defined(OS_MACOSX) || defined(OS_LINUX)
return IsDownloadPdf();
#endif
}
void DownloadCommands::CopyFileAsImageToClipboard() {
if (model_->GetState() != download::DownloadItem::COMPLETE ||
model_->GetCompletedBytes() > kMaxImageClipboardSize) {
return;
}
if (!model_->HasSupportedImageMimeType())
return;
base::FilePath file_path = model_->GetFullPath();
if (!task_runner_) {
task_runner_ = base::CreateSequencedTaskRunnerWithTraits(
{base::MayBlock(), base::TaskPriority::BEST_EFFORT,
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN});
}
ImageClipboardCopyManager::Start(file_path, task_runner_.get());
}
bool DownloadCommands::CanBeCopiedToClipboard() const {
return model_->GetState() == download::DownloadItem::COMPLETE &&
model_->GetCompletedBytes() <= kMaxImageClipboardSize;
}