зеркало из https://github.com/electron/electron.git
Move away from BrowserThread::FILE
* Migrate TtsPlatformImplLinux away from using BrowserThread::FILE. https://chromium-review.googlesource.com/c/chromium/src/+/570022 * Move PdfConverter off the FILE thread. https://chromium-review.googlesource.com/c/chromium/src/+/592393 * https://chromium.googlesource.com/chromium/src/+/master/docs/task_scheduler_migration.md
This commit is contained in:
Родитель
6d241e972b
Коммит
e3c580e905
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@ -6,13 +6,12 @@
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#include <string>
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#include "content/public/browser/browser_thread.h"
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#include "base/task_scheduler/post_task.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "native_mate/dictionary.h"
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#include "atom/common/node_includes.h"
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using content::BrowserThread;
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namespace mate {
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template <>
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@ -74,9 +73,13 @@ void PowerSaveBlocker::UpdatePowerSaveBlocker() {
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if (!power_save_blocker_ || new_blocker_type != current_blocker_type_) {
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auto new_blocker = std::make_unique<device::PowerSaveBlocker>(
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new_blocker_type, device::PowerSaveBlocker::kReasonOther,
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ATOM_PRODUCT_NAME,
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BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
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BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE));
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ATOM_PRODUCT_NAME, base::ThreadTaskRunnerHandle::Get(),
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// This task runner may be used by some device service
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// implementation bits to interface with dbus client code, which in
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// turn imposes some subtle thread affinity on the clients. We
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// therefore require a single-thread runner.
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base::CreateSingleThreadTaskRunnerWithTraits(
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{base::MayBlock(), base::TaskPriority::BACKGROUND}));
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power_save_blocker_.swap(new_blocker);
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current_blocker_type_ = new_blocker_type;
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}
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@ -14,6 +14,7 @@
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#include "atom/common/options_switches.h"
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#include "base/bind.h"
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#include "base/files/file_util.h"
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#include "base/task_scheduler/post_task.h"
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#include "chrome/common/pref_names.h"
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#include "components/prefs/pref_service.h"
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#include "content/public/browser/browser_context.h"
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@ -26,15 +27,11 @@ namespace atom {
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namespace {
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// Generate default file path to save the download.
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void CreateDownloadPath(
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const GURL& url,
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const std::string& content_disposition,
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const std::string& suggested_filename,
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const std::string& mime_type,
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const base::FilePath& default_download_path,
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const AtomDownloadManagerDelegate::CreateDownloadPathCallback& callback) {
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DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
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base::FilePath CreateDownloadPath(const GURL& url,
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const std::string& content_disposition,
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const std::string& suggested_filename,
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const std::string& mime_type,
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const base::FilePath& default_download_path) {
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auto generated_name =
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net::GenerateFileName(url, content_disposition, std::string(),
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suggested_filename, mime_type, "download");
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@ -42,9 +39,7 @@ void CreateDownloadPath(
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if (!base::PathExists(default_download_path))
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base::CreateDirectory(default_download_path);
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base::FilePath path(default_download_path.Append(generated_name));
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content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
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base::BindOnce(callback, path));
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return default_download_path.Append(generated_name);
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}
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} // namespace
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@ -161,16 +156,17 @@ bool AtomDownloadManagerDelegate::DetermineDownloadTarget(
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base::FilePath default_download_path =
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browser_context->prefs()->GetFilePath(prefs::kDownloadDefaultDirectory);
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CreateDownloadPathCallback download_path_callback =
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base::Bind(&AtomDownloadManagerDelegate::OnDownloadPathGenerated,
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weak_ptr_factory_.GetWeakPtr(), download->GetId(), callback);
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content::BrowserThread::PostTask(
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content::BrowserThread::FILE, FROM_HERE,
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base::PostTaskWithTraitsAndReplyWithResult(
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FROM_HERE,
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{base::MayBlock(), base::TaskPriority::BACKGROUND,
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base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN},
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base::BindOnce(&CreateDownloadPath, download->GetURL(),
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download->GetContentDisposition(),
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download->GetSuggestedFilename(), download->GetMimeType(),
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default_download_path, download_path_callback));
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default_download_path),
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base::BindOnce(&AtomDownloadManagerDelegate::OnDownloadPathGenerated,
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weak_ptr_factory_.GetWeakPtr(), download->GetId(),
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callback));
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return true;
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}
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@ -16,6 +16,8 @@
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#include "atom/common/atom_constants.h"
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#include "atom/common/options_switches.h"
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#include "base/files/file_util.h"
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#include "base/task_scheduler/post_task.h"
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#include "base/threading/sequenced_task_runner_handle.h"
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#include "chrome/browser/printing/print_preview_message_handler.h"
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#include "chrome/browser/printing/print_view_manager_basic.h"
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#include "chrome/browser/ssl/security_state_tab_helper.h"
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@ -100,14 +102,14 @@ std::unique_ptr<base::DictionaryValue> CreateFileSystemValue(
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}
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void WriteToFile(const base::FilePath& path, const std::string& content) {
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DCHECK_CURRENTLY_ON(BrowserThread::FILE);
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base::AssertBlockingAllowed();
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DCHECK(!path.empty());
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base::WriteFile(path, content.data(), content.size());
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}
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void AppendToFile(const base::FilePath& path, const std::string& content) {
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DCHECK_CURRENTLY_ON(BrowserThread::FILE);
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base::AssertBlockingAllowed();
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DCHECK(!path.empty());
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base::AppendToFile(path, content.data(), content.size());
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@ -142,7 +144,9 @@ bool IsDevToolsFileSystemAdded(content::WebContents* web_contents,
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} // namespace
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CommonWebContentsDelegate::CommonWebContentsDelegate()
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: devtools_file_system_indexer_(new DevToolsFileSystemIndexer) {}
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: devtools_file_system_indexer_(new DevToolsFileSystemIndexer),
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file_task_runner_(
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base::CreateSequencedTaskRunnerWithTraits({base::MayBlock()})) {}
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CommonWebContentsDelegate::~CommonWebContentsDelegate() {}
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@ -309,11 +313,13 @@ void CommonWebContentsDelegate::DevToolsSaveToFile(const std::string& url,
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}
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saved_files_[url] = path;
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BrowserThread::PostTaskAndReply(
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BrowserThread::FILE, FROM_HERE,
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base::BindOnce(&WriteToFile, path, content),
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base::BindOnce(&CommonWebContentsDelegate::OnDevToolsSaveToFile,
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base::Unretained(this), url));
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// Notify DevTools.
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base::Value url_value(url);
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base::Value file_system_path_value(path.AsUTF8Unsafe());
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web_contents_->CallClientFunction("DevToolsAPI.savedURL", &url_value,
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&file_system_path_value, nullptr);
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file_task_runner_->PostTask(FROM_HERE,
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base::BindOnce(&WriteToFile, path, content));
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}
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void CommonWebContentsDelegate::DevToolsAppendToFile(
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@ -323,11 +329,12 @@ void CommonWebContentsDelegate::DevToolsAppendToFile(
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if (it == saved_files_.end())
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return;
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BrowserThread::PostTaskAndReply(
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BrowserThread::FILE, FROM_HERE,
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base::BindOnce(&AppendToFile, it->second, content),
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base::BindOnce(&CommonWebContentsDelegate::OnDevToolsAppendToFile,
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base::Unretained(this), url));
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// Notify DevTools.
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base::Value url_value(url);
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web_contents_->CallClientFunction("DevToolsAPI.appendedToURL", &url_value,
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nullptr, nullptr);
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file_task_runner_->PostTask(
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FROM_HERE, base::BindOnce(&AppendToFile, it->second, content));
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}
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void CommonWebContentsDelegate::DevToolsRequestFileSystems() {
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@ -455,20 +462,6 @@ void CommonWebContentsDelegate::DevToolsSearchInPath(
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base::Unretained(this), request_id, file_system_path));
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}
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void CommonWebContentsDelegate::OnDevToolsSaveToFile(const std::string& url) {
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// Notify DevTools.
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base::Value url_value(url);
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web_contents_->CallClientFunction("DevToolsAPI.savedURL", &url_value, nullptr,
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nullptr);
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}
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void CommonWebContentsDelegate::OnDevToolsAppendToFile(const std::string& url) {
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// Notify DevTools.
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base::Value url_value(url);
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web_contents_->CallClientFunction("DevToolsAPI.appendedToURL", &url_value,
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nullptr, nullptr);
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}
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void CommonWebContentsDelegate::OnDevToolsIndexingWorkCalculated(
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int request_id,
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const std::string& file_system_path,
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@ -21,6 +21,10 @@
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using brightray::DevToolsFileSystemIndexer;
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namespace base {
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class SequencedTaskRunner;
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}
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namespace atom {
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class AtomBrowserContext;
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@ -132,12 +136,6 @@ class CommonWebContentsDelegate
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void ResetManagedWebContents(bool async);
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private:
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// Callback for when DevToolsSaveToFile has completed.
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void OnDevToolsSaveToFile(const std::string& url);
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// Callback for when DevToolsAppendToFile has completed.
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void OnDevToolsAppendToFile(const std::string& url);
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// DevTools index event callbacks.
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void OnDevToolsIndexingWorkCalculated(int request_id,
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const std::string& file_system_path,
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@ -193,6 +191,8 @@ class CommonWebContentsDelegate
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DevToolsIndexingJobsMap;
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DevToolsIndexingJobsMap devtools_indexing_jobs_;
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scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
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DISALLOW_COPY_AND_ASSIGN(CommonWebContentsDelegate);
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};
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@ -17,6 +17,10 @@
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#include "base/files/scoped_temp_dir.h"
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#include "base/logging.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted_delete_on_sequence.h"
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#include "base/sequenced_task_runner.h"
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#include "base/task_scheduler/post_task.h"
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#include "base/threading/sequenced_task_runner_handle.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "chrome/common/chrome_utility_printing_messages.h"
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#include "content/public/browser/browser_thread.h"
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@ -40,24 +44,50 @@ class PdfConverterImpl;
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// used to store PDF and metafiles. PDF should be gone by the time utility
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// process exits. Metafiles should be gone when all LazyEmf destroyed.
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class RefCountedTempDir
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: public base::RefCountedThreadSafe<RefCountedTempDir,
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BrowserThread::DeleteOnFileThread> {
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: public base::RefCountedDeleteOnSequence<RefCountedTempDir> {
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public:
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RefCountedTempDir() { ignore_result(temp_dir_.CreateUniqueTempDir()); }
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RefCountedTempDir()
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: base::RefCountedDeleteOnSequence<RefCountedTempDir>(
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base::SequencedTaskRunnerHandle::Get()) {
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ignore_result(temp_dir_.CreateUniqueTempDir());
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}
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bool IsValid() const { return temp_dir_.IsValid(); }
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const base::FilePath& GetPath() const { return temp_dir_.GetPath(); }
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private:
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friend struct BrowserThread::DeleteOnThread<BrowserThread::FILE>;
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friend class base::RefCountedDeleteOnSequence<RefCountedTempDir>;
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friend class base::DeleteHelper<RefCountedTempDir>;
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~RefCountedTempDir() {}
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base::ScopedTempDir temp_dir_;
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DISALLOW_COPY_AND_ASSIGN(RefCountedTempDir);
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};
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using ScopedTempFile =
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std::unique_ptr<base::File, BrowserThread::DeleteOnFileThread>;
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class TempFile {
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public:
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explicit TempFile(base::File file)
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: file_(std::move(file)),
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blocking_task_runner_(base::SequencedTaskRunnerHandle::Get()) {
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base::ThreadRestrictions::AssertIOAllowed();
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}
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~TempFile() {
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blocking_task_runner_->PostTask(
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FROM_HERE, base::BindOnce(&CloseFileOnBlockingTaskRunner,
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base::Passed(std::move(file_))));
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}
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base::File& file() { return file_; }
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private:
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base::File file_;
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const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
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DISALLOW_COPY_AND_ASSIGN(TempFile);
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};
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using ScopedTempFile = std::unique_ptr<TempFile>;
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// Wrapper for Emf to keep only file handle in memory, and load actual data only
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// on playback. Emf::InitFromFile() can play metafile directly from disk, but it
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@ -96,7 +126,7 @@ class PostScriptMetaFile : public LazyEmf {
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: LazyEmf(temp_dir, std::move(file)) {}
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~PostScriptMetaFile() override;
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protected:
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private:
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// MetafilePlayer:
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bool SafePlayback(HDC hdc) const override;
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@ -104,10 +134,10 @@ class PostScriptMetaFile : public LazyEmf {
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};
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// Class for converting PDF to another format for printing (Emf, Postscript).
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// Class uses 3 threads: UI, IO and FILE.
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// Class uses UI thread, IO thread and |blocking_task_runner_|.
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// Internal workflow is following:
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// 1. Create instance on the UI thread. (files_, settings_,)
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// 2. Create pdf file on the FILE thread.
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// 2. Create pdf file on |blocking_task_runner_|.
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// 3. Start utility process and start conversion on the IO thread.
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// 4. Utility process returns page count.
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// 5. For each page:
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@ -139,7 +169,7 @@ class PdfConverterUtilityProcessHostClient
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// sync message replies.
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bool Send(IPC::Message* msg);
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protected:
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private:
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class GetPageCallbackData {
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public:
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GetPageCallbackData(int page_number, PdfConverter::GetPageCallback callback)
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@ -176,16 +206,13 @@ class PdfConverterUtilityProcessHostClient
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// Helper functions: must be overridden by subclasses
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// Set the process name
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virtual base::string16 GetName() const;
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base::string16 GetName() const;
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// Create a metafileplayer subclass file from a temporary file.
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virtual std::unique_ptr<MetafilePlayer> GetFileFromTemp(
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std::unique_ptr<base::File, content::BrowserThread::DeleteOnFileThread>
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temp_file);
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std::unique_ptr<MetafilePlayer> GetFileFromTemp(ScopedTempFile temp_file);
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// Send the messages to Start, GetPage, and Stop.
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virtual void SendStartMessage(IPC::PlatformFileForTransit transit);
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virtual void SendGetPageMessage(int page_number,
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IPC::PlatformFileForTransit transit);
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virtual void SendStopMessage();
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void SendStartMessage(IPC::PlatformFileForTransit transit);
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void SendGetPageMessage(int page_number, IPC::PlatformFileForTransit transit);
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void SendStopMessage();
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// Message handlers:
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void OnPageCount(int page_count);
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@ -218,13 +245,14 @@ class PdfConverterUtilityProcessHostClient
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using GetPageCallbacks = std::queue<GetPageCallbackData>;
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GetPageCallbacks get_page_callbacks_;
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const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
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DISALLOW_COPY_AND_ASSIGN(PdfConverterUtilityProcessHostClient);
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};
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std::unique_ptr<MetafilePlayer>
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PdfConverterUtilityProcessHostClient::GetFileFromTemp(
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std::unique_ptr<base::File, content::BrowserThread::DeleteOnFileThread>
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temp_file) {
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ScopedTempFile temp_file) {
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if (settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2 ||
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settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3) {
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return std::make_unique<PostScriptMetaFile>(temp_dir_,
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|
@ -268,7 +296,7 @@ class PdfConverterImpl : public PdfConverter {
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ScopedTempFile CreateTempFile(scoped_refptr<RefCountedTempDir>* temp_dir) {
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if (!temp_dir->get())
|
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*temp_dir = new RefCountedTempDir();
|
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*temp_dir = base::MakeRefCounted<RefCountedTempDir>();
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ScopedTempFile file;
|
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if (!(*temp_dir)->IsValid())
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return file;
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|
@ -278,11 +306,11 @@ ScopedTempFile CreateTempFile(scoped_refptr<RefCountedTempDir>* temp_dir) {
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<< (*temp_dir)->GetPath().value();
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return file;
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}
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file.reset(new base::File(
|
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file = std::make_unique<TempFile>(base::File(
|
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path, base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE |
|
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base::File::FLAG_READ | base::File::FLAG_DELETE_ON_CLOSE |
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base::File::FLAG_TEMPORARY));
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if (!file->IsValid()) {
|
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if (!file->file().IsValid()) {
|
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PLOG(ERROR) << "Failed to create " << path.value();
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file.reset();
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}
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|
@ -292,16 +320,14 @@ ScopedTempFile CreateTempFile(scoped_refptr<RefCountedTempDir>* temp_dir) {
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ScopedTempFile CreateTempPdfFile(
|
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const scoped_refptr<base::RefCountedMemory>& data,
|
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scoped_refptr<RefCountedTempDir>* temp_dir) {
|
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DCHECK_CURRENTLY_ON(BrowserThread::FILE);
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|
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ScopedTempFile pdf_file = CreateTempFile(temp_dir);
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if (!pdf_file ||
|
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static_cast<int>(data->size()) !=
|
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pdf_file->WriteAtCurrentPos(data->front_as<char>(), data->size())) {
|
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if (!pdf_file || static_cast<int>(data->size()) !=
|
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pdf_file->file().WriteAtCurrentPos(
|
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data->front_as<char>(), data->size())) {
|
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pdf_file.reset();
|
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return pdf_file;
|
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}
|
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pdf_file->Seek(base::File::FROM_BEGIN, 0);
|
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pdf_file->file().Seek(base::File::FROM_BEGIN, 0);
|
||||
return pdf_file;
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||||
}
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||||
|
||||
|
@ -332,12 +358,12 @@ void LazyEmf::Close() const {
|
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}
|
||||
|
||||
bool LazyEmf::LoadEmf(Emf* emf) const {
|
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file_->Seek(base::File::FROM_BEGIN, 0);
|
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int64_t size = file_->GetLength();
|
||||
file_->file().Seek(base::File::FROM_BEGIN, 0);
|
||||
int64_t size = file_->file().GetLength();
|
||||
if (size <= 0)
|
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return false;
|
||||
std::vector<char> data(size);
|
||||
if (file_->ReadAtCurrentPos(data.data(), data.size()) != size)
|
||||
if (file_->file().ReadAtCurrentPos(data.data(), data.size()) != size)
|
||||
return false;
|
||||
return emf->InitFromData(data.data(), data.size());
|
||||
}
|
||||
|
@ -378,7 +404,11 @@ bool PostScriptMetaFile::SafePlayback(HDC hdc) const {
|
|||
PdfConverterUtilityProcessHostClient::PdfConverterUtilityProcessHostClient(
|
||||
base::WeakPtr<PdfConverterImpl> converter,
|
||||
const PdfRenderSettings& settings)
|
||||
: converter_(converter), settings_(settings) {}
|
||||
: converter_(converter),
|
||||
settings_(settings),
|
||||
blocking_task_runner_(base::CreateSequencedTaskRunnerWithTraits(
|
||||
{base::MayBlock(), base::TaskPriority::USER_VISIBLE,
|
||||
base::TaskShutdownBehavior::BLOCK_SHUTDOWN})) {}
|
||||
|
||||
PdfConverterUtilityProcessHostClient::~PdfConverterUtilityProcessHostClient() {}
|
||||
|
||||
|
@ -404,8 +434,8 @@ void PdfConverterUtilityProcessHostClient::Start(
|
|||
->AsWeakPtr();
|
||||
utility_process_host_->SetName(GetName());
|
||||
|
||||
BrowserThread::PostTaskAndReplyWithResult(
|
||||
BrowserThread::FILE, FROM_HERE,
|
||||
base::PostTaskAndReplyWithResult(
|
||||
blocking_task_runner_.get(), FROM_HERE,
|
||||
base::Bind(&CreateTempPdfFile, data, &temp_dir_),
|
||||
base::Bind(&PdfConverterUtilityProcessHostClient::OnTempPdfReady, this));
|
||||
}
|
||||
|
@ -416,7 +446,7 @@ void PdfConverterUtilityProcessHostClient::OnTempPdfReady(ScopedTempFile pdf) {
|
|||
return OnFailed();
|
||||
// Should reply with OnPageCount().
|
||||
SendStartMessage(
|
||||
IPC::GetPlatformFileForTransit(pdf->GetPlatformFile(), false));
|
||||
IPC::GetPlatformFileForTransit(pdf->file().GetPlatformFile(), false));
|
||||
}
|
||||
|
||||
void PdfConverterUtilityProcessHostClient::OnPageCount(int page_count) {
|
||||
|
@ -446,8 +476,9 @@ void PdfConverterUtilityProcessHostClient::GetPage(
|
|||
if (!utility_process_host_)
|
||||
return OnFailed();
|
||||
|
||||
BrowserThread::PostTaskAndReplyWithResult(
|
||||
BrowserThread::FILE, FROM_HERE, base::Bind(&CreateTempFile, &temp_dir_),
|
||||
base::PostTaskAndReplyWithResult(
|
||||
blocking_task_runner_.get(), FROM_HERE,
|
||||
base::Bind(&CreateTempFile, &temp_dir_),
|
||||
base::Bind(&PdfConverterUtilityProcessHostClient::OnTempFileReady, this,
|
||||
&get_page_callbacks_.back()));
|
||||
}
|
||||
|
@ -458,8 +489,8 @@ void PdfConverterUtilityProcessHostClient::OnTempFileReady(
|
|||
DCHECK_CURRENTLY_ON(BrowserThread::IO);
|
||||
if (!utility_process_host_ || !temp_file)
|
||||
return OnFailed();
|
||||
IPC::PlatformFileForTransit transit =
|
||||
IPC::GetPlatformFileForTransit(temp_file->GetPlatformFile(), false);
|
||||
IPC::PlatformFileForTransit transit = IPC::GetPlatformFileForTransit(
|
||||
temp_file->file().GetPlatformFile(), false);
|
||||
callback_data->set_file(std::move(temp_file));
|
||||
// Should reply with OnPageDone().
|
||||
SendGetPageMessage(callback_data->page_number(), transit);
|
||||
|
|
|
@ -11,6 +11,7 @@
|
|||
#include "base/debug/leak_annotations.h"
|
||||
#include "base/memory/singleton.h"
|
||||
#include "base/synchronization/lock.h"
|
||||
#include "base/task_scheduler/post_task.h"
|
||||
#include "chrome/browser/speech/tts_platform.h"
|
||||
#include "content/public/browser/browser_thread.h"
|
||||
#include "content/public/common/content_switches.h"
|
||||
|
@ -97,8 +98,8 @@ TtsPlatformImplLinux::TtsPlatformImplLinux() : utterance_id_(0) {
|
|||
if (!command_line.HasSwitch(switches::kEnableSpeechDispatcher))
|
||||
return;
|
||||
|
||||
BrowserThread::PostTask(
|
||||
BrowserThread::FILE, FROM_HERE,
|
||||
base::PostTaskWithTraits(
|
||||
FROM_HERE, {base::MayBlock(), base::TaskPriority::BACKGROUND},
|
||||
base::Bind(&TtsPlatformImplLinux::Initialize, base::Unretained(this)));
|
||||
}
|
||||
|
||||
|
|
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