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// 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/android/dev_tools_server.h"
#include <pwd.h>
#include <cstring>
#include "base/android/jni_string.h"
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/stringprintf.h"
#include "chrome/browser/history/top_sites.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_version_info.h"
#include "content/public/browser/android/devtools_auth.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/devtools_http_handler.h"
#include "content/public/browser/devtools_http_handler_delegate.h"
#include "content/public/common/content_switches.h"
#include "grit/devtools_discovery_page_resources.h"
#include "jni/DevToolsServer_jni.h"
#include "net/socket/unix_domain_socket_posix.h"
#include "net/url_request/url_request_context_getter.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
const char kFrontEndURL[] =
"http://chrome-devtools-frontend.appspot.com/static/%s/devtools.html";
const char kDefaultSocketName[] = "chrome_devtools_remote";
const char kTetheringSocketName[] = "chrome_devtools_tethering_%d";
// Delegate implementation for the devtools http handler on android. A new
// instance of this gets created each time devtools is enabled.
class DevToolsServerDelegate : public content::DevToolsHttpHandlerDelegate {
public:
explicit DevToolsServerDelegate(bool use_bundled_frontend_resources)
: use_bundled_frontend_resources_(use_bundled_frontend_resources),
last_tethering_socket_(0) {
}
virtual std::string GetDiscoveryPageHTML() OVERRIDE {
// TopSites updates itself after a delay. Ask TopSites to update itself
// when we're about to show the remote debugging landing page.
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(&DevToolsServerDelegate::PopulatePageThumbnails));
return ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_DEVTOOLS_DISCOVERY_PAGE_HTML).as_string();
}
virtual bool BundlesFrontendResources() OVERRIDE {
return use_bundled_frontend_resources_;
}
virtual base::FilePath GetDebugFrontendDir() OVERRIDE {
return base::FilePath();
}
virtual std::string GetPageThumbnailData(const GURL& url) OVERRIDE {
Profile* profile =
ProfileManager::GetLastUsedProfile()->GetOriginalProfile();
history::TopSites* top_sites = profile->GetTopSites();
if (top_sites) {
scoped_refptr<base::RefCountedMemory> data;
if (top_sites->GetPageThumbnail(url, &data))
return std::string(reinterpret_cast<const char*>(data->front()),
data->size());
}
return "";
}
virtual content::RenderViewHost* CreateNewTarget() OVERRIDE {
return NULL;
}
virtual TargetType GetTargetType(content::RenderViewHost*) OVERRIDE {
return kTargetTypeTab;
}
virtual std::string GetViewDescription(content::RenderViewHost*) OVERRIDE {
return "";
}
virtual scoped_refptr<net::StreamListenSocket> CreateSocketForTethering(
net::StreamListenSocket::Delegate* delegate,
std::string* name) OVERRIDE {
*name = base::StringPrintf(kTetheringSocketName, ++last_tethering_socket_);
return net::UnixDomainSocket::CreateAndListenWithAbstractNamespace(
*name,
delegate,
base::Bind(&content::CanUserConnectToDevTools));
}
private:
static void PopulatePageThumbnails() {
Profile* profile =
ProfileManager::GetLastUsedProfile()->GetOriginalProfile();
history::TopSites* top_sites = profile->GetTopSites();
if (top_sites)
top_sites->SyncWithHistory();
}
bool use_bundled_frontend_resources_;
int last_tethering_socket_;
DISALLOW_COPY_AND_ASSIGN(DevToolsServerDelegate);
};
} // namespace
DevToolsServer::DevToolsServer()
: use_bundled_frontend_resources_(false),
socket_name_(kDefaultSocketName),
protocol_handler_(NULL) {
// Override the default socket name if one is specified on the command line.
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kRemoteDebuggingSocketName)) {
socket_name_ = command_line.GetSwitchValueASCII(
switches::kRemoteDebuggingSocketName);
}
}
DevToolsServer::DevToolsServer(bool use_bundled_frontend_resources,
const std::string& socket_name)
: use_bundled_frontend_resources_(use_bundled_frontend_resources),
socket_name_(socket_name),
protocol_handler_(NULL) {
}
DevToolsServer::~DevToolsServer() {
Stop();
}
void DevToolsServer::Start() {
if (protocol_handler_)
return;
chrome::VersionInfo version_info;
protocol_handler_ = content::DevToolsHttpHandler::Start(
new net::UnixDomainSocketWithAbstractNamespaceFactory(
socket_name_,
base::Bind(&content::CanUserConnectToDevTools)),
use_bundled_frontend_resources_ ?
"" :
base::StringPrintf(kFrontEndURL, version_info.Version().c_str()),
new DevToolsServerDelegate(use_bundled_frontend_resources_));
}
void DevToolsServer::Stop() {
if (!protocol_handler_)
return;
// Note that the call to Stop() below takes care of |protocol_handler_|
// deletion.
protocol_handler_->Stop();
protocol_handler_ = NULL;
}
bool DevToolsServer::IsStarted() const {
return protocol_handler_;
}
bool RegisterDevToolsServer(JNIEnv* env) {
return RegisterNativesImpl(env);
}
static jint InitRemoteDebugging(JNIEnv* env,
jobject obj,
jboolean use_bundled_frontend_resources,
jstring socketName) {
DevToolsServer* server = new DevToolsServer(
use_bundled_frontend_resources,
base::android::ConvertJavaStringToUTF8(env, socketName));
return reinterpret_cast<jint>(server);
}
static void DestroyRemoteDebugging(JNIEnv* env, jobject obj, jint server) {
delete reinterpret_cast<DevToolsServer*>(server);
}
static jboolean IsRemoteDebuggingEnabled(JNIEnv* env,
jobject obj,
jint server) {
return reinterpret_cast<DevToolsServer*>(server)->IsStarted();
}
static void SetRemoteDebuggingEnabled(JNIEnv* env,
jobject obj,
jint server,
jboolean enabled) {
DevToolsServer* devtools_server = reinterpret_cast<DevToolsServer*>(server);
if (enabled) {
devtools_server->Start();
} else {
devtools_server->Stop();
}
}
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