| // Copyright 2014 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. |
| |
| #if defined(ENABLE_PEPPER_CDMS) |
| #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h" |
| |
| #include "content/renderer/pepper/pepper_plugin_instance_impl.h" |
| #include "content/renderer/pepper/pepper_webplugin_impl.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebElement.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebHelperPlugin.h" |
| #include "third_party/WebKit/public/web/WebPlugin.h" |
| #include "third_party/WebKit/public/web/WebPluginContainer.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| |
| namespace content { |
| |
| void WebHelperPluginDeleter::operator()(blink::WebHelperPlugin* plugin) const { |
| plugin->destroy(); |
| } |
| |
| scoped_ptr<PepperCdmWrapper> PepperCdmWrapperImpl::Create( |
| blink::WebLocalFrame* frame, |
| const std::string& pluginType, |
| const GURL& security_origin) { |
| DCHECK(frame); |
| ScopedHelperPlugin helper_plugin(blink::WebHelperPlugin::create( |
| blink::WebString::fromUTF8(pluginType), frame)); |
| if (!helper_plugin) |
| return scoped_ptr<PepperCdmWrapper>(); |
| |
| blink::WebPlugin* plugin = helper_plugin->getPlugin(); |
| DCHECK(!plugin->isPlaceholder()); // Prevented by Blink. |
| |
| // Only Pepper plugins are supported, so it must ultimately be a ppapi object. |
| PepperWebPluginImpl* ppapi_plugin = static_cast<PepperWebPluginImpl*>(plugin); |
| scoped_refptr<PepperPluginInstanceImpl> plugin_instance = |
| ppapi_plugin->instance(); |
| if (!plugin_instance) |
| return scoped_ptr<PepperCdmWrapper>(); |
| |
| GURL url(plugin_instance->container()->element().document().url()); |
| CHECK_EQ(security_origin.GetOrigin(), url.GetOrigin()) |
| << "Pepper instance has a different origin than the EME call."; |
| |
| if (!plugin_instance->GetContentDecryptorDelegate()) |
| return scoped_ptr<PepperCdmWrapper>(); |
| |
| return scoped_ptr<PepperCdmWrapper>( |
| new PepperCdmWrapperImpl(helper_plugin.Pass(), plugin_instance)); |
| } |
| |
| PepperCdmWrapperImpl::PepperCdmWrapperImpl( |
| ScopedHelperPlugin helper_plugin, |
| const scoped_refptr<PepperPluginInstanceImpl>& plugin_instance) |
| : helper_plugin_(helper_plugin.Pass()), |
| plugin_instance_(plugin_instance) { |
| DCHECK(helper_plugin_); |
| DCHECK(plugin_instance_); |
| // Plugin must be a CDM. |
| DCHECK(plugin_instance_->GetContentDecryptorDelegate()); |
| } |
| |
| PepperCdmWrapperImpl::~PepperCdmWrapperImpl() { |
| // Destroy the nested objects in reverse order. |
| plugin_instance_ = NULL; |
| helper_plugin_.reset(); |
| } |
| |
| ContentDecryptorDelegate* PepperCdmWrapperImpl::GetCdmDelegate() { |
| return plugin_instance_->GetContentDecryptorDelegate(); |
| } |
| |
| } // namespace content |
| |
| #endif // defined(ENABLE_PEPPER_CDMS) |