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// Copyright (c) 2010 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/dom_ui/plugins_ui.h"
#include <algorithm>
#include <string>
#include <vector>
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "base/singleton.h"
#include "base/values.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/plugin_updater.h"
#include "chrome/browser/pref_service.h"
#include "chrome/browser/profile.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "webkit/glue/plugins/plugin_list.h"
namespace {
///////////////////////////////////////////////////////////////////////////////
//
// PluginsHTMLSource
//
///////////////////////////////////////////////////////////////////////////////
class PluginsUIHTMLSource : public ChromeURLDataManager::DataSource {
public:
PluginsUIHTMLSource()
: DataSource(chrome::kChromeUIPluginsHost, MessageLoop::current()) {}
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id);
virtual std::string GetMimeType(const std::string&) const {
return "text/html";
}
private:
~PluginsUIHTMLSource() {}
DISALLOW_COPY_AND_ASSIGN(PluginsUIHTMLSource);
};
void PluginsUIHTMLSource::StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id) {
// Strings used in the JsTemplate file.
DictionaryValue localized_strings;
localized_strings.SetString(L"pluginsTitle",
l10n_util::GetString(IDS_PLUGINS_TITLE));
localized_strings.SetString(L"pluginsDetailsModeLink",
l10n_util::GetString(IDS_PLUGINS_DETAILS_MODE_LINK));
localized_strings.SetString(L"pluginsNoneInstalled",
l10n_util::GetString(IDS_PLUGINS_NONE_INSTALLED));
localized_strings.SetString(L"pluginDisabled",
l10n_util::GetString(IDS_PLUGINS_DISABLED_PLUGIN));
localized_strings.SetString(L"pluginDownload",
l10n_util::GetString(IDS_PLUGINS_DOWNLOAD));
localized_strings.SetString(L"pluginName",
l10n_util::GetString(IDS_PLUGINS_NAME));
localized_strings.SetString(L"pluginPriority",
l10n_util::GetString(IDS_PLUGINS_PRIORITY));
localized_strings.SetString(L"pluginVersion",
l10n_util::GetString(IDS_PLUGINS_VERSION));
localized_strings.SetString(L"pluginDescription",
l10n_util::GetString(IDS_PLUGINS_DESCRIPTION));
localized_strings.SetString(L"pluginPath",
l10n_util::GetString(IDS_PLUGINS_PATH));
localized_strings.SetString(L"pluginMimeTypes",
l10n_util::GetString(IDS_PLUGINS_MIME_TYPES));
localized_strings.SetString(L"pluginMimeTypesMimeType",
l10n_util::GetString(IDS_PLUGINS_MIME_TYPES_MIME_TYPE));
localized_strings.SetString(L"pluginMimeTypesDescription",
l10n_util::GetString(IDS_PLUGINS_MIME_TYPES_DESCRIPTION));
localized_strings.SetString(L"pluginMimeTypesFileExtensions",
l10n_util::GetString(IDS_PLUGINS_MIME_TYPES_FILE_EXTENSIONS));
localized_strings.SetString(L"disable",
l10n_util::GetString(IDS_PLUGINS_DISABLE));
localized_strings.SetString(L"enable",
l10n_util::GetString(IDS_PLUGINS_ENABLE));
ChromeURLDataManager::DataSource::SetFontAndTextDirection(&localized_strings);
static const base::StringPiece plugins_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(IDR_PLUGINS_HTML));
std::string full_html(plugins_html.data(), plugins_html.size());
jstemplate_builder::AppendJsonHtml(&localized_strings, &full_html);
jstemplate_builder::AppendI18nTemplateSourceHtml(&full_html);
jstemplate_builder::AppendI18nTemplateProcessHtml(&full_html);
jstemplate_builder::AppendJsTemplateSourceHtml(&full_html);
scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
html_bytes->data.resize(full_html.size());
std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
SendResponse(request_id, html_bytes);
}
////////////////////////////////////////////////////////////////////////////////
//
// PluginsDOMHandler
//
////////////////////////////////////////////////////////////////////////////////
// The handler for Javascript messages for the chrome://plugins/ page.
// TODO(viettrungluu): Make plugin list updates notify, and then observe
// changes; maybe replumb plugin list through plugin service?
// <http://crbug.com/39101>
class PluginsDOMHandler : public DOMMessageHandler {
public:
PluginsDOMHandler() {}
virtual ~PluginsDOMHandler() {}
// DOMMessageHandler implementation.
virtual void RegisterMessages();
// Callback for the "requestPluginsData" message.
void HandleRequestPluginsData(const Value* value);
// Callback for the "enablePlugin" message.
void HandleEnablePluginMessage(const Value* value);
// Callback for the "showTermsOfService" message. This really just opens a new
// window with about:terms. Flash can't link directly to about:terms due to
// the security model.
void HandleShowTermsOfServiceMessage(const Value* value);
private:
// Creates a dictionary containing the important parts of the information
// about the given plugin; this is put into a list and saved in prefs.
DictionaryValue* CreatePluginSummaryValue(const WebPluginInfo& plugin);
// Update the user preferences to reflect the current (user-selected) state of
// plugins.
void UpdatePreferences();
DISALLOW_COPY_AND_ASSIGN(PluginsDOMHandler);
};
void PluginsDOMHandler::RegisterMessages() {
dom_ui_->RegisterMessageCallback("requestPluginsData",
NewCallback(this, &PluginsDOMHandler::HandleRequestPluginsData));
dom_ui_->RegisterMessageCallback("enablePlugin",
NewCallback(this, &PluginsDOMHandler::HandleEnablePluginMessage));
dom_ui_->RegisterMessageCallback("showTermsOfService",
NewCallback(this, &PluginsDOMHandler::HandleShowTermsOfServiceMessage));
}
void PluginsDOMHandler::HandleRequestPluginsData(const Value* value) {
DictionaryValue* results = new DictionaryValue();
// Grouped plugins.
results->Set(L"plugins", plugin_updater::GetPluginGroupsData());
dom_ui_->CallJavascriptFunction(L"returnPluginsData", *results);
}
void PluginsDOMHandler::HandleEnablePluginMessage(const Value* value) {
// Be robust in accepting badness since plug-ins display HTML (hence
// JavaScript).
if (!value->IsType(Value::TYPE_LIST))
return;
const ListValue* list = static_cast<const ListValue*>(value);
if (list->GetSize() != 3)
return;
std::string enable_str;
std::string is_group_str;
if (!list->GetString(1, &enable_str) || !list->GetString(2, &is_group_str))
return;
if (is_group_str == "true") {
std::wstring group_name;
if (!list->GetString(0, &group_name))
return;
plugin_updater::EnablePluginGroup(enable_str == "true",
WideToUTF16(group_name));
} else {
FilePath::StringType file_path;
if (!list->GetString(0, &file_path))
return;
plugin_updater::EnablePluginFile(enable_str == "true", file_path);
}
// TODO(viettrungluu): We might also want to ensure that the plugins
// list is always written to prefs even when the user hasn't disabled a
// plugin. <http://crbug.com/39101>
plugin_updater::UpdatePreferences(dom_ui_->GetProfile());
}
void PluginsDOMHandler::HandleShowTermsOfServiceMessage(const Value* value) {
// Show it in a new browser window....
Browser* browser = Browser::Create(dom_ui_->GetProfile());
browser->OpenURL(GURL(chrome::kAboutTermsURL),
GURL(), NEW_FOREGROUND_TAB, PageTransition::LINK);
browser->window()->Show();
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
//
// PluginsUI
//
///////////////////////////////////////////////////////////////////////////////
PluginsUI::PluginsUI(TabContents* contents) : DOMUI(contents) {
AddMessageHandler((new PluginsDOMHandler())->Attach(this));
PluginsUIHTMLSource* html_source = new PluginsUIHTMLSource();
// Set up the chrome://plugins/ source.
ChromeThread::PostTask(
ChromeThread::IO, FROM_HERE,
NewRunnableMethod(Singleton<ChromeURLDataManager>::get(),
&ChromeURLDataManager::AddDataSource,
make_scoped_refptr(html_source)));
}
// static
RefCountedMemory* PluginsUI::GetFaviconResourceBytes() {
return ResourceBundle::GetSharedInstance().
LoadDataResourceBytes(IDR_PLUGIN);
}
// static
void PluginsUI::RegisterUserPrefs(PrefService* prefs) {
FilePath internal_dir;
PathService::Get(chrome::DIR_INTERNAL_PLUGINS, &internal_dir);
prefs->RegisterFilePathPref(prefs::kPluginsLastInternalDirectory,
internal_dir);
prefs->RegisterListPref(prefs::kPluginsPluginsList);
prefs->RegisterBooleanPref(prefs::kPluginsEnabledInternalPDF, false);
}
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