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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 "content/renderer/pepper/renderer_ppapi_host_impl.h"
#include "base/file_path.h"
#include "base/logging.h"
#include "content/renderer/pepper/pepper_in_process_resource_creation.h"
#include "content/renderer/pepper/pepper_in_process_router.h"
#include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
#include "content/renderer/render_view_impl.h"
#include "content/renderer/render_widget_fullscreen_pepper.h"
#include "ppapi/proxy/host_dispatcher.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
#include "ui/gfx/point.h"
#include "webkit/plugins/ppapi/fullscreen_container.h"
#include "webkit/plugins/ppapi/host_globals.h"
#include "webkit/plugins/ppapi/plugin_module.h"
#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
using webkit::ppapi::HostGlobals;
using webkit::ppapi::PluginInstance;
using webkit::ppapi::PluginModule;
namespace content {
// static
CONTENT_EXPORT RendererPpapiHost*
RendererPpapiHost::CreateExternalPluginModule(
scoped_refptr<PluginModule> plugin_module,
PluginInstance* plugin_instance,
const FilePath& file_path,
ppapi::PpapiPermissions permissions,
const IPC::ChannelHandle& channel_handle,
int plugin_child_id) {
RendererPpapiHost* renderer_ppapi_host = NULL;
// Since we're the embedder, we can make assumptions about the delegate on
// the instance.
PepperPluginDelegateImpl* pepper_plugin_delegate =
static_cast<PepperPluginDelegateImpl*>(plugin_instance->delegate());
if (pepper_plugin_delegate) {
renderer_ppapi_host = pepper_plugin_delegate->CreateExternalPluginModule(
plugin_module,
file_path,
permissions,
channel_handle,
plugin_child_id);
}
return renderer_ppapi_host;
}
// Out-of-process constructor.
RendererPpapiHostImpl::RendererPpapiHostImpl(
PluginModule* module,
ppapi::proxy::HostDispatcher* dispatcher,
const ppapi::PpapiPermissions& permissions)
: module_(module),
dispatcher_(dispatcher) {
// Hook the PpapiHost up to the dispatcher for out-of-process communication.
ppapi_host_.reset(
new ppapi::host::PpapiHost(dispatcher, permissions));
ppapi_host_->AddHostFactoryFilter(scoped_ptr<ppapi::host::HostFactory>(
new ContentRendererPepperHostFactory(this)));
dispatcher->AddFilter(ppapi_host_.get());
}
// In-process constructor.
RendererPpapiHostImpl::RendererPpapiHostImpl(
PluginModule* module,
const ppapi::PpapiPermissions& permissions)
: module_(module),
dispatcher_(NULL) {
// Hook the host up to the in-process router.
in_process_router_.reset(new PepperInProcessRouter(this));
ppapi_host_.reset(new ppapi::host::PpapiHost(
in_process_router_->GetRendererToPluginSender(), permissions));
ppapi_host_->AddHostFactoryFilter(scoped_ptr<ppapi::host::HostFactory>(
new ContentRendererPepperHostFactory(this)));
}
RendererPpapiHostImpl::~RendererPpapiHostImpl() {
}
// static
RendererPpapiHostImpl* RendererPpapiHostImpl::CreateOnModuleForOutOfProcess(
PluginModule* module,
ppapi::proxy::HostDispatcher* dispatcher,
const ppapi::PpapiPermissions& permissions) {
DCHECK(!module->GetEmbedderState());
RendererPpapiHostImpl* result = new RendererPpapiHostImpl(
module, dispatcher, permissions);
// Takes ownership of pointer.
module->SetEmbedderState(
scoped_ptr<PluginModule::EmbedderState>(result));
return result;
}
// static
RendererPpapiHostImpl* RendererPpapiHostImpl::CreateOnModuleForInProcess(
PluginModule* module,
const ppapi::PpapiPermissions& permissions) {
DCHECK(!module->GetEmbedderState());
RendererPpapiHostImpl* result = new RendererPpapiHostImpl(
module, permissions);
// Takes ownership of pointer.
module->SetEmbedderState(
scoped_ptr<PluginModule::EmbedderState>(result));
return result;
}
// static
RendererPpapiHostImpl* RendererPpapiHostImpl::GetForPPInstance(
PP_Instance pp_instance) {
PluginInstance* instance = HostGlobals::Get()->GetInstance(pp_instance);
if (!instance)
return NULL;
// All modules created by content will have their embedders state be the
// host impl.
return static_cast<RendererPpapiHostImpl*>(
instance->module()->GetEmbedderState());
}
scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>
RendererPpapiHostImpl::CreateInProcessResourceCreationAPI(
PluginInstance* instance) {
return scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>(
new PepperInProcessResourceCreation(this, instance));
}
ppapi::host::PpapiHost* RendererPpapiHostImpl::GetPpapiHost() {
return ppapi_host_.get();
}
RenderView* RendererPpapiHostImpl::GetRenderViewForInstance(
PP_Instance instance) const {
PluginInstance* instance_object = GetAndValidateInstance(instance);
if (!instance_object)
return NULL;
// Since we're the embedder, we can make assumptions about the delegate on
// the instance and get back to our RenderView.
return static_cast<PepperPluginDelegateImpl*>(
instance_object->delegate())->render_view();
}
bool RendererPpapiHostImpl::IsValidInstance(
PP_Instance instance) const {
return !!GetAndValidateInstance(instance);
}
webkit::ppapi::PluginInstance* RendererPpapiHostImpl::GetPluginInstance(
PP_Instance instance) const {
return GetAndValidateInstance(instance);
}
WebKit::WebPluginContainer* RendererPpapiHostImpl::GetContainerForInstance(
PP_Instance instance) const {
PluginInstance* instance_object = GetAndValidateInstance(instance);
if (!instance_object)
return NULL;
return instance_object->container();
}
bool RendererPpapiHostImpl::HasUserGesture(PP_Instance instance) const {
PluginInstance* instance_object = GetAndValidateInstance(instance);
if (!instance_object)
return false;
if (instance_object->module()->permissions().HasPermission(
ppapi::PERMISSION_BYPASS_USER_GESTURE))
return true;
return instance_object->IsProcessingUserGesture();
}
int RendererPpapiHostImpl::GetRoutingIDForWidget(PP_Instance instance) const {
webkit::ppapi::PluginInstance* plugin_instance =
GetAndValidateInstance(instance);
if (!plugin_instance)
return 0;
if (plugin_instance->flash_fullscreen()) {
webkit::ppapi::FullscreenContainer* container =
plugin_instance->fullscreen_container();
return static_cast<RenderWidgetFullscreenPepper*>(container)->routing_id();
}
return GetRenderViewForInstance(instance)->GetRoutingID();
}
gfx::Point RendererPpapiHostImpl::PluginPointToRenderView(
PP_Instance instance,
const gfx::Point& pt) const {
webkit::ppapi::PluginInstance* plugin_instance =
GetAndValidateInstance(instance);
if (!plugin_instance)
return pt;
RenderViewImpl* render_view = static_cast<RenderViewImpl*>(
GetRenderViewForInstance(instance));
if (plugin_instance->view_data().is_fullscreen ||
plugin_instance->flash_fullscreen()) {
WebKit::WebRect window_rect = render_view->windowRect();
WebKit::WebRect screen_rect = render_view->screenInfo().rect;
return gfx::Point(pt.x() - window_rect.x + screen_rect.x,
pt.y() - window_rect.y + screen_rect.y);
}
return gfx::Point(pt.x() + plugin_instance->view_data().rect.point.x,
pt.y() + plugin_instance->view_data().rect.point.y);
}
IPC::PlatformFileForTransit RendererPpapiHostImpl::ShareHandleWithRemote(
base::PlatformFile handle,
bool should_close_source) {
if (!dispatcher_) {
if (should_close_source)
base::ClosePlatformFile(handle);
return IPC::InvalidPlatformFileForTransit();
}
return dispatcher_->ShareHandleWithRemote(handle, should_close_source);
}
PluginInstance* RendererPpapiHostImpl::GetAndValidateInstance(
PP_Instance pp_instance) const {
PluginInstance* instance = HostGlobals::Get()->GetInstance(pp_instance);
if (!instance)
return NULL;
if (instance->module() != module_)
return NULL;
return instance;
}
} // namespace content
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