cef/libcef/browser/web_plugin_impl.cc
2017-09-07 17:29:47 -04:00

189 lines
5.2 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework 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 "libcef/browser/web_plugin_impl.h"
#include "libcef/browser/context.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/widevine_loader.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "content/browser/plugin_service_impl.h"
namespace {
void PluginsCallbackImpl(
CefRefPtr<CefWebPluginInfoVisitor> visitor,
const std::vector<content::WebPluginInfo>& all_plugins) {
CEF_REQUIRE_UIT();
int count = 0;
int total = static_cast<int>(all_plugins.size());
std::vector<content::WebPluginInfo>::const_iterator it = all_plugins.begin();
for (; it != all_plugins.end(); ++it, ++count) {
CefRefPtr<CefWebPluginInfoImpl> info(new CefWebPluginInfoImpl(*it));
if (!visitor->Visit(info.get(), count, total))
break;
}
}
#if !(defined(WIDEVINE_CDM_AVAILABLE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)) || \
defined(OS_LINUX)
void DeliverWidevineCdmError(const std::string& error_message,
CefRefPtr<CefRegisterCdmCallback> callback) {
LOG(ERROR) << error_message;
if (callback.get()) {
CEF_POST_TASK(
CEF_UIT,
base::Bind(&CefRegisterCdmCallback::OnCdmRegistrationComplete,
callback.get(), CEF_CDM_REGISTRATION_ERROR_NOT_SUPPORTED,
error_message));
}
}
#endif
} // namespace
// CefWebPluginInfoImpl
CefWebPluginInfoImpl::CefWebPluginInfoImpl(
const content::WebPluginInfo& plugin_info)
: plugin_info_(plugin_info) {}
CefString CefWebPluginInfoImpl::GetName() {
return plugin_info_.name;
}
CefString CefWebPluginInfoImpl::GetPath() {
return plugin_info_.path.value();
}
CefString CefWebPluginInfoImpl::GetVersion() {
return plugin_info_.version;
}
CefString CefWebPluginInfoImpl::GetDescription() {
return plugin_info_.desc;
}
// Global functions.
void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return;
}
if (!visitor.get()) {
NOTREACHED() << "invalid parameter";
return;
}
if (CEF_CURRENTLY_ON_UIT()) {
content::PluginServiceImpl::GetInstance()->GetPlugins(
base::Bind(PluginsCallbackImpl, visitor));
} else {
// Execute on the UI thread.
CEF_POST_TASK(CEF_UIT, base::Bind(CefVisitWebPluginInfo, visitor));
}
}
void CefRefreshWebPlugins() {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return;
}
// No thread affinity.
content::PluginServiceImpl::GetInstance()->RefreshPlugins();
}
void CefUnregisterInternalWebPlugin(const CefString& path) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return;
}
if (path.empty()) {
NOTREACHED() << "invalid parameter";
return;
}
// No thread affinity.
content::PluginServiceImpl::GetInstance()->UnregisterInternalPlugin(
base::FilePath(path));
}
void CefRegisterWebPluginCrash(const CefString& path) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return;
}
if (path.empty()) {
NOTREACHED() << "invalid parameter";
return;
}
if (CEF_CURRENTLY_ON_IOT()) {
content::PluginServiceImpl::GetInstance()->RegisterPluginCrash(
base::FilePath(path));
} else {
// Execute on the IO thread.
CEF_POST_TASK(CEF_IOT, base::Bind(CefRegisterWebPluginCrash, path));
}
}
void CefIsWebPluginUnstable(const CefString& path,
CefRefPtr<CefWebPluginUnstableCallback> callback) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return;
}
if (path.empty() || !callback.get()) {
NOTREACHED() << "invalid parameter";
return;
}
if (CEF_CURRENTLY_ON_IOT()) {
callback->IsUnstable(
path, content::PluginServiceImpl::GetInstance()->IsPluginUnstable(
base::FilePath(path)));
} else {
// Execute on the IO thread.
CEF_POST_TASK(CEF_IOT, base::Bind(CefIsWebPluginUnstable, path, callback));
}
}
void CefRegisterWidevineCdm(const CefString& path,
CefRefPtr<CefRegisterCdmCallback> callback) {
#if defined(WIDEVINE_CDM_AVAILABLE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)
#if defined(OS_LINUX)
// Enforce the requirement that CefRegisterWidevineCdm() is called before
// CefInitialize() on Linux. See comments in
// CefWidevineLoader::AddPepperPlugins for details.
if (CONTEXT_STATE_VALID()) {
DeliverWidevineCdmError(
"Widevine registration is not supported after context initialization",
callback);
return;
}
#endif // defined(OS_LINUX)
CefWidevineLoader::GetInstance()->LoadWidevineCdm(path, callback);
#else
DeliverWidevineCdmError("Widevine registration is not supported", callback);
#endif // defined(WIDEVINE_CDM_AVAILABLE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)
}