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// Copyright (c) 2011 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/chrome_content_browser_client.h"
#include "base/command_line.h"
#include "chrome/app/breakpad_mac.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/character_encoding.h"
#include "chrome/browser/chrome_worker_message_filter.h"
#include "chrome/browser/content_settings/host_content_settings_map.h"
#include "chrome/browser/debugger/devtools_handler.h"
#include "chrome/browser/desktop_notification_handler.h"
#include "chrome/browser/extensions/extension_message_handler.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/google/google_util.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/printing/printing_message_filter.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
#include "chrome/browser/renderer_host/chrome_render_view_host_observer.h"
#include "chrome/browser/renderer_host/text_input_client_message_filter.h"
#include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
#include "chrome/browser/spellcheck_message_filter.h"
#include "chrome/browser/ui/webui/chrome_web_ui_factory.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "content/browser/renderer_host/browser_render_process_host.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/browser/resource_context.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "content/browser/worker_host/worker_process_host.h"
#if defined(OS_LINUX)
#include "base/linux_util.h"
#include "chrome/browser/crash_handler_host_linux.h"
#endif // OS_LINUX
namespace chrome {
void ChromeContentBrowserClient::RenderViewHostCreated(
RenderViewHost* render_view_host) {
new ChromeRenderViewHostObserver(render_view_host);
new DesktopNotificationHandler(render_view_host);
new DevToolsHandler(render_view_host);
new ExtensionMessageHandler(render_view_host);
}
void ChromeContentBrowserClient::PreCreateRenderView(
RenderViewHost* render_view_host,
Profile* profile,
const GURL& url) {
// Tell the RenderViewHost whether it will be used for an extension process.
ExtensionService* service = profile->GetExtensionService();
if (service) {
bool is_extension_process = service->ExtensionBindingsAllowed(url);
render_view_host->set_is_extension_process(is_extension_process);
const Extension* installed_app = service->GetInstalledApp(url);
if (installed_app) {
service->SetInstalledAppForRenderer(
render_view_host->process()->id(), installed_app);
}
}
}
void ChromeContentBrowserClient::BrowserRenderProcessHostCreated(
BrowserRenderProcessHost* host) {
int id = host->id();
Profile* profile = host->profile();
host->channel()->AddFilter(new ChromeRenderMessageFilter(
id, profile, profile->GetRequestContextForRenderProcess(id)));
host->channel()->AddFilter(new PrintingMessageFilter());
host->channel()->AddFilter(
new SearchProviderInstallStateMessageFilter(id, profile));
host->channel()->AddFilter(new SpellCheckMessageFilter(id));
#if defined(OS_MACOSX)
host->channel()->AddFilter(new TextInputClientMessageFilter(host->id()));
#endif
}
void ChromeContentBrowserClient::WorkerProcessHostCreated(
WorkerProcessHost* host) {
host->AddFilter(new ChromeWorkerMessageFilter(host));
}
content::WebUIFactory* ChromeContentBrowserClient::GetWebUIFactory() {
return ChromeWebUIFactory::GetInstance();
}
GURL ChromeContentBrowserClient::GetEffectiveURL(Profile* profile,
const GURL& url) {
// Get the effective URL for the given actual URL. If the URL is part of an
// installed app, the effective URL is an extension URL with the ID of that
// extension as the host. This has the effect of grouping apps together in
// a common SiteInstance.
if (!profile || !profile->GetExtensionService())
return url;
const Extension* extension =
profile->GetExtensionService()->GetExtensionByWebExtent(url);
if (!extension)
return url;
// If the URL is part of an extension's web extent, convert it to an
// extension URL.
return extension->GetResourceURL(url.path());
}
GURL ChromeContentBrowserClient::GetAlternateErrorPageURL(
const TabContents* tab) {
GURL url;
// Disable alternate error pages when in OffTheRecord/Incognito mode.
if (tab->profile()->IsOffTheRecord())
return url;
PrefService* prefs = tab->profile()->GetPrefs();
DCHECK(prefs);
if (prefs->GetBoolean(prefs::kAlternateErrorPagesEnabled)) {
url = google_util::AppendGoogleLocaleParam(
GURL(google_util::kLinkDoctorBaseURL));
url = google_util::AppendGoogleTLDParam(url);
}
return url;
}
std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
const std::string& alias_name) {
return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
}
void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
CommandLine* command_line, int child_process_id) {
#if defined(USE_LINUX_BREAKPAD)
if (IsCrashReporterEnabled()) {
command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
child_process_logging::GetClientId() + "," + base::GetLinuxDistro());
}
#elif defined(OS_MACOSX)
if (IsCrashReporterEnabled()) {
command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
child_process_logging::GetClientId());
}
#endif // OS_MACOSX
std::string process_type =
command_line->GetSwitchValueASCII(switches::kProcessType);
if (process_type == switches::kExtensionProcess ||
process_type == switches::kRendererProcess) {
const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
FilePath user_data_dir =
browser_command_line.GetSwitchValuePath(switches::kUserDataDir);
if (!user_data_dir.empty())
command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
#if defined(OS_CHROMEOS)
const std::string& login_profile =
browser_command_line.GetSwitchValueASCII(switches::kLoginProfile);
if (!login_profile.empty())
command_line->AppendSwitchASCII(switches::kLoginProfile, login_profile);
#endif
RenderProcessHost* process = RenderProcessHost::FromID(child_process_id);
PrefService* prefs = process->profile()->GetPrefs();
// Currently this pref is only registered if applied via a policy.
if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
prefs->GetBoolean(prefs::kDisable3DAPIs)) {
// Turn this policy into a command line switch.
command_line->AppendSwitch(switches::kDisable3DAPIs);
}
// Disable client-side phishing detection in the renderer if it is disabled
// in the browser process.
if (!g_browser_process->safe_browsing_detection_service())
command_line->AppendSwitch(switches::kDisableClientSidePhishingDetection);
}
}
std::string ChromeContentBrowserClient::GetApplicationLocale() {
return g_browser_process->GetApplicationLocale();
}
bool ChromeContentBrowserClient::AllowAppCache(
const GURL& manifest_url, const content::ResourceContext* context) {
ContentSetting setting = context->host_content_settings_map()->
GetContentSetting(manifest_url, CONTENT_SETTINGS_TYPE_COOKIES, "");
DCHECK(setting != CONTENT_SETTING_DEFAULT);
return setting != CONTENT_SETTING_BLOCK;
}
#if defined(OS_LINUX)
int ChromeContentBrowserClient::GetCrashSignalFD(
const std::string& process_type) {
if (process_type == switches::kRendererProcess)
return RendererCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
if (process_type == switches::kPluginProcess)
return PluginCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
if (process_type == switches::kPpapiPluginProcess)
return PpapiCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
if (process_type == switches::kGpuProcess)
return GpuCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
return -1;
}
#endif
} // namespace chrome
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