blob: 3737138f7d26fb9a243b0f1277205d1bb5dabd55 [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/browser/ui/webui/version_handler.h"
#include <stddef.h>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/metrics/field_trial.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/post_task.h"
#include "base/threading/scoped_blocking_call.h"
#include "chrome/browser/plugins/plugin_prefs.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/grit/generated_resources.h"
#include "components/strings/grit/components_strings.h"
#include "components/variations/active_field_trials.h"
#include "components/version_ui/version_handler_helper.h"
#include "components/version_ui/version_ui_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/common/content_constants.h"
#include "ppapi/buildflags/buildflags.h"
#include "ui/base/l10n/l10n_util.h"
#include "url/gurl.h"
namespace {
// Retrieves the executable and profile paths on the FILE thread.
void GetFilePaths(const base::FilePath& profile_path,
base::string16* exec_path_out,
base::string16* profile_path_out) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::MAY_BLOCK);
base::FilePath executable_path = base::MakeAbsoluteFilePath(
base::CommandLine::ForCurrentProcess()->GetProgram());
if (!executable_path.empty())
*exec_path_out = executable_path.LossyDisplayName();
else
*exec_path_out = l10n_util::GetStringUTF16(IDS_VERSION_UI_PATH_NOTFOUND);
base::FilePath profile_path_copy(base::MakeAbsoluteFilePath(profile_path));
if (!profile_path.empty() && !profile_path_copy.empty())
*profile_path_out = profile_path.LossyDisplayName();
else
*profile_path_out = l10n_util::GetStringUTF16(IDS_VERSION_UI_PATH_NOTFOUND);
}
} // namespace
VersionHandler::VersionHandler() : weak_ptr_factory_(this) {}
VersionHandler::~VersionHandler() {
}
void VersionHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
version_ui::kRequestVersionInfo,
base::BindRepeating(&VersionHandler::HandleRequestVersionInfo,
base::Unretained(this)));
}
void VersionHandler::HandleRequestVersionInfo(const base::ListValue* args) {
AllowJavascript();
#if BUILDFLAG(ENABLE_PLUGINS)
// The Flash version information is needed in the response, so make sure
// the plugins are loaded.
content::PluginService::GetInstance()->GetPlugins(
base::Bind(&VersionHandler::OnGotPlugins,
weak_ptr_factory_.GetWeakPtr()));
#endif
// Grab the executable path on the FILE thread. It is returned in
// OnGotFilePaths.
base::string16* exec_path_buffer = new base::string16;
base::string16* profile_path_buffer = new base::string16;
base::PostTaskWithTraitsAndReply(
FROM_HERE, {base::TaskPriority::USER_VISIBLE, base::MayBlock()},
base::BindOnce(&GetFilePaths, Profile::FromWebUI(web_ui())->GetPath(),
base::Unretained(exec_path_buffer),
base::Unretained(profile_path_buffer)),
base::BindOnce(
&VersionHandler::OnGotFilePaths, weak_ptr_factory_.GetWeakPtr(),
base::Owned(exec_path_buffer), base::Owned(profile_path_buffer)));
// Respond with the variations info immediately.
CallJavascriptFunction(version_ui::kReturnVariationInfo,
*version_ui::GetVariationsList());
GURL current_url = web_ui()->GetWebContents()->GetVisibleURL();
if (current_url.query().find(version_ui::kVariationsShowCmdQuery) !=
std::string::npos) {
CallJavascriptFunction(version_ui::kReturnVariationCmd,
version_ui::GetVariationsCommandLineAsValue());
}
}
void VersionHandler::OnGotFilePaths(base::string16* executable_path_data,
base::string16* profile_path_data) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::Value exec_path(*executable_path_data);
base::Value profile_path(*profile_path_data);
CallJavascriptFunction(version_ui::kReturnFilePaths, exec_path, profile_path);
}
#if BUILDFLAG(ENABLE_PLUGINS)
void VersionHandler::OnGotPlugins(
const std::vector<content::WebPluginInfo>& plugins) {
// Obtain the version of the first enabled Flash plugin.
std::vector<content::WebPluginInfo> info_array;
content::PluginService::GetInstance()->GetPluginInfoArray(
GURL(), content::kFlashPluginSwfMimeType, false, &info_array, NULL);
std::string flash_version_and_path =
l10n_util::GetStringUTF8(IDS_PLUGINS_DISABLED_PLUGIN);
PluginPrefs* plugin_prefs =
PluginPrefs::GetForProfile(Profile::FromWebUI(web_ui())).get();
if (plugin_prefs) {
for (size_t i = 0; i < info_array.size(); ++i) {
if (plugin_prefs->IsPluginEnabled(info_array[i])) {
flash_version_and_path = base::StringPrintf(
"%s %s", base::UTF16ToUTF8(info_array[i].version).c_str(),
base::UTF16ToUTF8(info_array[i].path.LossyDisplayName()).c_str());
break;
}
}
}
base::Value arg(flash_version_and_path);
CallJavascriptFunction(version_ui::kReturnFlashVersion, arg);
}
#endif // BUILDFLAG(ENABLE_PLUGINS)