This source file includes following definitions.
- LoadModelData
- HandleHotwordFilesResourceFilter
- InitDataSource
#include "chrome/browser/ui/webui/app_list/start_page_ui.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_ptr.h"
#include "base/sys_info.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/app_list/start_page_handler.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "extensions/browser/extension_system.h"
#include "extensions/common/extension.h"
#include "grit/browser_resources.h"
namespace app_list {
namespace {
#if defined(OS_CHROMEOS)
const char* kHotwordFilenames[] = {
"greconacl.nmf",
"hotword.data",
"_platform_specific/arm/hotword_arm.nexe",
"_platform_specific/x86-32/hotword_x86_32.nexe",
"_platform_specific/x86-64/hotword_x86_64.nexe",
};
void LoadModelData(const base::FilePath& base_dir,
const std::string& path,
const content::WebUIDataSource::GotDataCallback& callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
scoped_refptr<base::RefCountedString> data(new base::RefCountedString());
base::ReadFileToString(base_dir.AppendASCII(path), &(data->data()));
callback.Run(data.get());
}
bool HandleHotwordFilesResourceFilter(
Profile* profile,
const std::string& path,
const content::WebUIDataSource::GotDataCallback& callback) {
ExtensionService* service =
extensions::ExtensionSystem::Get(profile)->extension_service();
const extensions::Extension* extension =
service->GetExtensionById(extension_misc::kHotwordExtensionId, false);
if (!extension)
return false;
for (size_t i = 0; i < arraysize(kHotwordFilenames); ++i) {
if (path == kHotwordFilenames[i]) {
content::BrowserThread::PostTask(
content::BrowserThread::FILE,
FROM_HERE,
base::Bind(&LoadModelData, extension->path(), path, callback));
return true;
}
}
return false;
}
#endif
}
StartPageUI::StartPageUI(content::WebUI* web_ui)
: content::WebUIController(web_ui) {
web_ui->AddMessageHandler(new StartPageHandler);
InitDataSource();
}
StartPageUI::~StartPageUI() {}
void StartPageUI::InitDataSource() {
scoped_ptr<content::WebUIDataSource> source(
content::WebUIDataSource::Create(chrome::kChromeUIAppListStartPageHost));
source->SetUseJsonJSFormatV2();
source->SetJsonPath("strings.js");
source->AddResourcePath("start_page.css", IDR_APP_LIST_START_PAGE_CSS);
source->AddResourcePath("start_page.js", IDR_APP_LIST_START_PAGE_JS);
source->AddResourcePath("hotword_nacl.nmf", IDR_APP_LIST_HOTWORD_NACL_NMF);
source->SetDefaultResource(IDR_APP_LIST_START_PAGE_HTML);
#if defined(OS_CHROMEOS)
source->OverrideContentSecurityPolicyObjectSrc("object-src 'self' data:;");
if (base::SysInfo::IsRunningOnChromeOS())
source->SetRequestFilter(base::Bind(&HandleHotwordFilesResourceFilter,
Profile::FromWebUI(web_ui())));
#endif
content::WebUIDataSource::Add(Profile::FromWebUI(web_ui()), source.release());
}
}