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ppapi flash plugin support

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deepak1556 2015-04-28 21:15:58 +05:30
parent be06a3d562
commit 3fdc4543b8
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chromium_src/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc Normal file
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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/renderer/pepper/chrome_renderer_pepper_host_factory.h"
#include "base/logging.h"
#include "chrome/renderer/pepper/pepper_flash_drm_renderer_host.h"
#include "chrome/renderer/pepper/pepper_flash_font_file_host.h"
#include "chrome/renderer/pepper/pepper_flash_fullscreen_host.h"
#include "chrome/renderer/pepper/pepper_flash_menu_host.h"
#include "chrome/renderer/pepper/pepper_flash_renderer_host.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/host/resource_host.h"
#include "ppapi/proxy/ppapi_message_utils.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/ppapi_permissions.h"
using ppapi::host::ResourceHost;
ChromeRendererPepperHostFactory::ChromeRendererPepperHostFactory(
content::RendererPpapiHost* host)
: host_(host) {}
ChromeRendererPepperHostFactory::~ChromeRendererPepperHostFactory() {}
scoped_ptr<ResourceHost> ChromeRendererPepperHostFactory::CreateResourceHost(
ppapi::host::PpapiHost* host,
PP_Resource resource,
PP_Instance instance,
const IPC::Message& message) {
DCHECK_EQ(host_->GetPpapiHost(), host);
// Make sure the plugin is giving us a valid instance for this resource.
if (!host_->IsValidInstance(instance))
return scoped_ptr<ResourceHost>();
if (host_->GetPpapiHost()->permissions().HasPermission(
ppapi::PERMISSION_FLASH)) {
switch (message.type()) {
case PpapiHostMsg_Flash_Create::ID: {
return scoped_ptr<ResourceHost>(
new PepperFlashRendererHost(host_, instance, resource));
}
case PpapiHostMsg_FlashFullscreen_Create::ID: {
return scoped_ptr<ResourceHost>(
new PepperFlashFullscreenHost(host_, instance, resource));
}
case PpapiHostMsg_FlashMenu_Create::ID: {
ppapi::proxy::SerializedFlashMenu serialized_menu;
if (ppapi::UnpackMessage<PpapiHostMsg_FlashMenu_Create>(
message, &serialized_menu)) {
return scoped_ptr<ResourceHost>(new PepperFlashMenuHost(
host_, instance, resource, serialized_menu));
}
break;
}
}
}
// TODO(raymes): PDF also needs access to the FlashFontFileHost currently.
// We should either rename PPB_FlashFont_File to PPB_FontFile_Private or get
// rid of its use in PDF if possible.
if (host_->GetPpapiHost()->permissions().HasPermission(
ppapi::PERMISSION_FLASH) ||
host_->GetPpapiHost()->permissions().HasPermission(
ppapi::PERMISSION_PRIVATE)) {
switch (message.type()) {
case PpapiHostMsg_FlashFontFile_Create::ID: {
ppapi::proxy::SerializedFontDescription description;
PP_PrivateFontCharset charset;
if (ppapi::UnpackMessage<PpapiHostMsg_FlashFontFile_Create>(
message, &description, &charset)) {
return scoped_ptr<ResourceHost>(new PepperFlashFontFileHost(
host_, instance, resource, description, charset));
}
break;
}
case PpapiHostMsg_FlashDRM_Create::ID:
return scoped_ptr<ResourceHost>(
new PepperFlashDRMRendererHost(host_, instance, resource));
}
}
return scoped_ptr<ResourceHost>();
}

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chromium_src/chrome/renderer/pepper/chrome_renderer_pepper_host_factory.h Normal file
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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.
#ifndef CHROME_RENDERER_PEPPER_CHROME_RENDERER_PEPPER_HOST_FACTORY_H_
#define CHROME_RENDERER_PEPPER_CHROME_RENDERER_PEPPER_HOST_FACTORY_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/host/host_factory.h"
namespace content {
class RendererPpapiHost;
}
class ChromeRendererPepperHostFactory : public ppapi::host::HostFactory {
public:
explicit ChromeRendererPepperHostFactory(content::RendererPpapiHost* host);
~ChromeRendererPepperHostFactory() override;
// HostFactory.
scoped_ptr<ppapi::host::ResourceHost> CreateResourceHost(
ppapi::host::PpapiHost* host,
PP_Resource resource,
PP_Instance instance,
const IPC::Message& message) override;
private:
// Not owned by this object.
content::RendererPpapiHost* host_;
DISALLOW_COPY_AND_ASSIGN(ChromeRendererPepperHostFactory);
};
#endif // CHROME_RENDERER_PEPPER_CHROME_RENDERER_PEPPER_HOST_FACTORY_H_

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chromium_src/chrome/renderer/pepper/pepper_flash_drm_renderer_host.cc Normal file
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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/renderer/pepper/pepper_flash_drm_renderer_host.h"
#include "base/files/file_path.h"
#include "content/public/renderer/pepper_plugin_instance.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
// TODO(raymes): This is duplicated from pepper_flash_drm_host.cc but once
// FileRef is refactored to the browser, it won't need to be.
namespace {
const char kVoucherFilename[] = "plugin.vch";
} // namespace
PepperFlashDRMRendererHost::PepperFlashDRMRendererHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource)
: ResourceHost(host->GetPpapiHost(), instance, resource),
renderer_ppapi_host_(host),
weak_factory_(this) {}
PepperFlashDRMRendererHost::~PepperFlashDRMRendererHost() {}
int32_t PepperFlashDRMRendererHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFlashDRMRendererHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_FlashDRM_GetVoucherFile,
OnGetVoucherFile)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
int32_t PepperFlashDRMRendererHost::OnGetVoucherFile(
ppapi::host::HostMessageContext* context) {
content::PepperPluginInstance* plugin_instance =
renderer_ppapi_host_->GetPluginInstance(pp_instance());
if (!plugin_instance)
return PP_ERROR_FAILED;
base::FilePath plugin_dir = plugin_instance->GetModulePath().DirName();
DCHECK(!plugin_dir.empty());
base::FilePath voucher_file = plugin_dir.AppendASCII(kVoucherFilename);
int renderer_pending_host_id =
plugin_instance->MakePendingFileRefRendererHost(voucher_file);
if (renderer_pending_host_id == 0)
return PP_ERROR_FAILED;
std::vector<IPC::Message> create_msgs;
create_msgs.push_back(PpapiHostMsg_FileRef_CreateForRawFS(voucher_file));
renderer_ppapi_host_->CreateBrowserResourceHosts(
pp_instance(),
create_msgs,
base::Bind(&PepperFlashDRMRendererHost::DidCreateFileRefHosts,
weak_factory_.GetWeakPtr(),
context->MakeReplyMessageContext(),
voucher_file,
renderer_pending_host_id));
return PP_OK_COMPLETIONPENDING;
}
void PepperFlashDRMRendererHost::DidCreateFileRefHosts(
const ppapi::host::ReplyMessageContext& reply_context,
const base::FilePath& external_path,
int renderer_pending_host_id,
const std::vector<int>& browser_pending_host_ids) {
DCHECK_EQ(1U, browser_pending_host_ids.size());
int browser_pending_host_id = browser_pending_host_ids[0];
ppapi::FileRefCreateInfo create_info =
ppapi::MakeExternalFileRefCreateInfo(external_path,
std::string(),
browser_pending_host_id,
renderer_pending_host_id);
host()->SendReply(reply_context,
PpapiPluginMsg_FlashDRM_GetVoucherFileReply(create_info));
}

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chromium_src/chrome/renderer/pepper/pepper_flash_drm_renderer_host.h Normal file
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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_FLASH_DRM_RENDERER_HOST_H_
#define CHROME_RENDERER_PEPPER_PEPPER_FLASH_DRM_RENDERER_HOST_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "ppapi/host/resource_host.h"
namespace base {
class FilePath;
}
namespace content {
class RendererPpapiHost;
}
// TODO(raymes): This is only needed until we move FileRef resources to the
// browser. After that, get rid of this class altogether.
class PepperFlashDRMRendererHost : public ppapi::host::ResourceHost {
public:
PepperFlashDRMRendererHost(content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource);
~PepperFlashDRMRendererHost() override;
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
private:
int32_t OnGetVoucherFile(ppapi::host::HostMessageContext* context);
void DidCreateFileRefHosts(
const ppapi::host::ReplyMessageContext& reply_context,
const base::FilePath& external_path,
int renderer_pending_host_id,
const std::vector<int>& browser_pending_host_ids);
// Non-owning pointer.
content::RendererPpapiHost* renderer_ppapi_host_;
base::WeakPtrFactory<PepperFlashDRMRendererHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashDRMRendererHost);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_FLASH_DRM_RENDERER_HOST_H_

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chromium_src/chrome/renderer/pepper/pepper_flash_font_file_host.cc Normal file
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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/renderer/pepper/pepper_flash_font_file_host.h"
#include "build/build_config.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_structs.h"
#if defined(OS_LINUX) || defined(OS_OPENBSD)
#include "content/public/common/child_process_sandbox_support_linux.h"
#endif
PepperFlashFontFileHost::PepperFlashFontFileHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const ppapi::proxy::SerializedFontDescription& description,
PP_PrivateFontCharset charset)
: ResourceHost(host->GetPpapiHost(), instance, resource) {
#if defined(OS_LINUX) || defined(OS_OPENBSD)
fd_.reset(content::MatchFontWithFallback(
description.face.c_str(),
description.weight >= PP_BROWSERFONT_TRUSTED_WEIGHT_BOLD,
description.italic,
charset,
PP_BROWSERFONT_TRUSTED_FAMILY_DEFAULT));
#endif // defined(OS_LINUX) || defined(OS_OPENBSD)
}
PepperFlashFontFileHost::~PepperFlashFontFileHost() {}
int32_t PepperFlashFontFileHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFlashFontFileHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_FlashFontFile_GetFontTable,
OnGetFontTable)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
int32_t PepperFlashFontFileHost::OnGetFontTable(
ppapi::host::HostMessageContext* context,
uint32_t table) {
std::string contents;
int32_t result = PP_ERROR_FAILED;
#if defined(OS_LINUX) || defined(OS_OPENBSD)
int fd = fd_.get();
if (fd != -1) {
size_t length = 0;
if (content::GetFontTable(fd, table, 0 /* offset */, NULL, &length)) {
contents.resize(length);
uint8_t* contents_ptr =
reinterpret_cast<uint8_t*>(const_cast<char*>(contents.c_str()));
if (content::GetFontTable(
fd, table, 0 /* offset */, contents_ptr, &length)) {
result = PP_OK;
} else {
contents.clear();
}
}
}
#endif // defined(OS_LINUX) || defined(OS_OPENBSD)
context->reply_msg = PpapiPluginMsg_FlashFontFile_GetFontTableReply(contents);
return result;
}

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chromium_src/chrome/renderer/pepper/pepper_flash_font_file_host.h Normal file
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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_FLASH_FONT_FILE_HOST_H_
#define CHROME_RENDERER_PEPPER_PEPPER_FLASH_FONT_FILE_HOST_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/c/private/pp_private_font_charset.h"
#include "ppapi/host/resource_host.h"
#if defined(OS_LINUX) || defined(OS_OPENBSD)
#include "base/files/scoped_file.h"
#endif
namespace content {
class RendererPpapiHost;
}
namespace ppapi {
namespace proxy {
struct SerializedFontDescription;
}
}
class PepperFlashFontFileHost : public ppapi::host::ResourceHost {
public:
PepperFlashFontFileHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const ppapi::proxy::SerializedFontDescription& description,
PP_PrivateFontCharset charset);
~PepperFlashFontFileHost() override;
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
private:
int32_t OnGetFontTable(ppapi::host::HostMessageContext* context,
uint32_t table);
#if defined(OS_LINUX) || defined(OS_OPENBSD)
base::ScopedFD fd_;
#endif
DISALLOW_COPY_AND_ASSIGN(PepperFlashFontFileHost);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_FLASH_FONT_FILE_HOST_H_

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chromium_src/chrome/renderer/pepper/pepper_flash_fullscreen_host.cc Normal file
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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/renderer/pepper/pepper_flash_fullscreen_host.h"
#include "content/public/renderer/pepper_plugin_instance.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
PepperFlashFullscreenHost::PepperFlashFullscreenHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource)
: ResourceHost(host->GetPpapiHost(), instance, resource),
renderer_ppapi_host_(host) {}
PepperFlashFullscreenHost::~PepperFlashFullscreenHost() {}
int32_t PepperFlashFullscreenHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFlashFullscreenHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(
PpapiHostMsg_FlashFullscreen_SetFullscreen,
OnSetFullscreen)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
int32_t PepperFlashFullscreenHost::OnSetFullscreen(
ppapi::host::HostMessageContext* context,
bool fullscreen) {
content::PepperPluginInstance* plugin_instance =
renderer_ppapi_host_->GetPluginInstance(pp_instance());
if (plugin_instance && plugin_instance->FlashSetFullscreen(fullscreen, true))
return PP_OK;
return PP_ERROR_FAILED;
}

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chromium_src/chrome/renderer/pepper/pepper_flash_fullscreen_host.h Normal file
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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_FLASH_FULLSCREEN_HOST_H_
#define CHROME_RENDERER_PEPPER_PEPPER_FLASH_FULLSCREEN_HOST_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/host/resource_host.h"
namespace content {
class RendererPpapiHost;
}
class PepperFlashFullscreenHost : public ppapi::host::ResourceHost {
public:
PepperFlashFullscreenHost(content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource);
~PepperFlashFullscreenHost() override;
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
private:
int32_t OnSetFullscreen(ppapi::host::HostMessageContext* context,
bool fullscreen);
// Non-owning pointer.
content::RendererPpapiHost* renderer_ppapi_host_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashFullscreenHost);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_FLASH_FULLSCREEN_HOST_H_

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chromium_src/chrome/renderer/pepper/pepper_flash_menu_host.cc Normal file
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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/renderer/pepper/pepper_flash_menu_host.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/common/context_menu_params.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ipc/ipc_message.h"
#include "ppapi/c/private/ppb_flash_menu.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_flash_menu.h"
#include "ui/gfx/geometry/point.h"
namespace {
// Maximum depth of submenus allowed (e.g., 1 indicates that submenus are
// allowed, but not sub-submenus).
const size_t kMaxMenuDepth = 2;
// Maximum number of entries in any single menu (including separators).
const size_t kMaxMenuEntries = 50;
// Maximum total number of entries in the |menu_id_map| (see below).
// (Limit to 500 real entries; reserve the 0 action as an invalid entry.)
const size_t kMaxMenuIdMapEntries = 501;
// Converts menu data from one form to another.
// - |depth| is the current nested depth (call it starting with 0).
// - |menu_id_map| is such that |menu_id_map[output_item.action] ==
// input_item.id| (where |action| is what a |MenuItem| has, |id| is what a
// |PP_Flash_MenuItem| has).
bool ConvertMenuData(const PP_Flash_Menu* in_menu,
size_t depth,
std::vector<content::MenuItem>* out_menu,
std::vector<int32_t>* menu_id_map) {
if (depth > kMaxMenuDepth || !in_menu)
return false;
// Clear the output, just in case.
out_menu->clear();
if (!in_menu->count)
return true; // Nothing else to do.
if (!in_menu->items || in_menu->count > kMaxMenuEntries)
return false;
for (uint32_t i = 0; i < in_menu->count; i++) {
content::MenuItem item;
PP_Flash_MenuItem_Type type = in_menu->items[i].type;
switch (type) {
case PP_FLASH_MENUITEM_TYPE_NORMAL:
item.type = content::MenuItem::OPTION;
break;
case PP_FLASH_MENUITEM_TYPE_CHECKBOX:
item.type = content::MenuItem::CHECKABLE_OPTION;
break;
case PP_FLASH_MENUITEM_TYPE_SEPARATOR:
item.type = content::MenuItem::SEPARATOR;
break;
case PP_FLASH_MENUITEM_TYPE_SUBMENU:
item.type = content::MenuItem::SUBMENU;
break;
default:
return false;
}
if (in_menu->items[i].name)
item.label = base::UTF8ToUTF16(in_menu->items[i].name);
if (menu_id_map->size() >= kMaxMenuIdMapEntries)
return false;
item.action = static_cast<unsigned>(menu_id_map->size());
// This sets |(*menu_id_map)[item.action] = in_menu->items[i].id|.
menu_id_map->push_back(in_menu->items[i].id);
item.enabled = PP_ToBool(in_menu->items[i].enabled);
item.checked = PP_ToBool(in_menu->items[i].checked);
if (type == PP_FLASH_MENUITEM_TYPE_SUBMENU) {
if (!ConvertMenuData(
in_menu->items[i].submenu, depth + 1, &item.submenu, menu_id_map))
return false;
}
out_menu->push_back(item);
}
return true;
}
} // namespace
PepperFlashMenuHost::PepperFlashMenuHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const ppapi::proxy::SerializedFlashMenu& serial_menu)
: ppapi::host::ResourceHost(host->GetPpapiHost(), instance, resource),
renderer_ppapi_host_(host),
showing_context_menu_(false),
context_menu_request_id_(0),
has_saved_context_menu_action_(false),
saved_context_menu_action_(0) {
menu_id_map_.push_back(0); // Reserve |menu_id_map_[0]|.
if (!ConvertMenuData(serial_menu.pp_menu(), 0, &menu_data_, &menu_id_map_)) {
menu_data_.clear();
menu_id_map_.clear();
}
}
PepperFlashMenuHost::~PepperFlashMenuHost() {
if (showing_context_menu_) {
content::RenderFrame* render_frame =
renderer_ppapi_host_->GetRenderFrameForInstance(pp_instance());
if (render_frame)
render_frame->CancelContextMenu(context_menu_request_id_);
}
}
int32_t PepperFlashMenuHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFlashMenuHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_FlashMenu_Show,
OnHostMsgShow)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
int32_t PepperFlashMenuHost::OnHostMsgShow(
ppapi::host::HostMessageContext* context,
const PP_Point& location) {
// Note that all early returns must do a SendMenuReply. The sync result for
// this message isn't used, so to forward the error to the plugin, we need to
// additionally call SendMenuReply explicitly.
if (menu_data_.empty()) {
SendMenuReply(PP_ERROR_FAILED, -1);
return PP_ERROR_FAILED;
}
if (showing_context_menu_) {
SendMenuReply(PP_ERROR_INPROGRESS, -1);
return PP_ERROR_INPROGRESS;
}
content::RenderFrame* render_frame =
renderer_ppapi_host_->GetRenderFrameForInstance(pp_instance());
content::ContextMenuParams params;
params.x = location.x;
params.y = location.y;
params.custom_context.is_pepper_menu = true;
params.custom_context.render_widget_id =
renderer_ppapi_host_->GetRoutingIDForWidget(pp_instance());
params.custom_items = menu_data_;
// Transform the position to be in render frame's coordinates.
gfx::Point render_frame_pt = renderer_ppapi_host_->PluginPointToRenderFrame(
pp_instance(), gfx::Point(location.x, location.y));
params.x = render_frame_pt.x();
params.y = render_frame_pt.y();
showing_context_menu_ = true;
context_menu_request_id_ = render_frame->ShowContextMenu(this, params);
// Note: the show message is sync so this OK is for the sync reply which we
// don't actually use (see the comment in the resource file for this). The
// async message containing the context menu action will be sent in the
// future.
return PP_OK;
}
void PepperFlashMenuHost::OnMenuAction(int request_id, unsigned action) {
// Just save the action.
DCHECK(!has_saved_context_menu_action_);
has_saved_context_menu_action_ = true;
saved_context_menu_action_ = action;
}
void PepperFlashMenuHost::OnMenuClosed(int request_id) {
if (has_saved_context_menu_action_ &&
saved_context_menu_action_ < menu_id_map_.size()) {
SendMenuReply(PP_OK, menu_id_map_[saved_context_menu_action_]);
has_saved_context_menu_action_ = false;
saved_context_menu_action_ = 0;
} else {
SendMenuReply(PP_ERROR_USERCANCEL, -1);
}
showing_context_menu_ = false;
context_menu_request_id_ = 0;
}
void PepperFlashMenuHost::SendMenuReply(int32_t result, int action) {
ppapi::host::ReplyMessageContext reply_context(
ppapi::proxy::ResourceMessageReplyParams(pp_resource(), 0),
NULL,
MSG_ROUTING_NONE);
reply_context.params.set_result(result);
host()->SendReply(reply_context, PpapiPluginMsg_FlashMenu_ShowReply(action));
}

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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_FLASH_MENU_HOST_H_
#define CHROME_RENDERER_PEPPER_PEPPER_FLASH_MENU_HOST_H_
#include <vector>
#include "base/compiler_specific.h"
#include "content/public/renderer/context_menu_client.h"
#include "ppapi/c/pp_point.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/resource_host.h"
namespace content {
class RendererPpapiHost;
struct MenuItem;
}
namespace ppapi {
namespace proxy {
class SerializedFlashMenu;
}
}
class PepperFlashMenuHost : public ppapi::host::ResourceHost,
public content::ContextMenuClient {
public:
PepperFlashMenuHost(content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const ppapi::proxy::SerializedFlashMenu& serial_menu);
~PepperFlashMenuHost() override;
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
private:
int32_t OnHostMsgShow(ppapi::host::HostMessageContext* context,
const PP_Point& location);
// ContextMenuClient implementation.
void OnMenuAction(int request_id, unsigned action) override;
void OnMenuClosed(int request_id) override;
void SendMenuReply(int32_t result, int action);
content::RendererPpapiHost* renderer_ppapi_host_;
bool showing_context_menu_;
int context_menu_request_id_;
std::vector<content::MenuItem> menu_data_;
// We send |MenuItem|s, which have an |unsigned| "action" field instead of
// an |int32_t| ID. (CONTENT also limits the range of valid values for
// actions.) This maps actions to IDs.
std::vector<int32_t> menu_id_map_;
// Used to send a single context menu "completion" upon menu close.
bool has_saved_context_menu_action_;
unsigned saved_context_menu_action_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashMenuHost);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_FLASH_MENU_HOST_H_

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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/renderer/pepper/pepper_flash_renderer_host.h"
#include <map>
#include <vector>
#include "base/lazy_instance.h"
#include "base/metrics/histogram.h"
#include "base/strings/string_util.h"
#include "content/public/renderer/pepper_plugin_instance.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ipc/ipc_message_macros.h"
#include "net/http/http_util.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/trusted/ppb_browser_font_trusted.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/proxy/host_dispatcher.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/resource_message_params.h"
#include "ppapi/proxy/serialized_structs.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_image_data_api.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkMatrix.h"
#include "third_party/skia/include/core/SkPaint.h"
#include "third_party/skia/include/core/SkPoint.h"
#include "third_party/skia/include/core/SkTemplates.h"
#include "third_party/skia/include/core/SkTypeface.h"
#include "ui/gfx/geometry/rect.h"
#include "url/gurl.h"
using ppapi::thunk::EnterResourceNoLock;
using ppapi::thunk::PPB_ImageData_API;
namespace {
// Some non-simple HTTP request headers that Flash may set.
// (Please see http://www.w3.org/TR/cors/#simple-header for the definition of
// simple headers.)
//
// The list and the enum defined below are used to collect data about request
// headers used in PPB_Flash.Navigate() calls, in order to understand the impact
// of rejecting PPB_Flash.Navigate() requests with non-simple headers.
//
// TODO(yzshen): We should be able to remove the histogram recording code once
// we get the answer.
const char* const kRejectedHttpRequestHeaders[] = {
"authorization", //
"cache-control", //
"content-encoding", //
"content-md5", //
"content-type", // If the media type is not one of those covered by the
// simple header definition.
"expires", //
"from", //
"if-match", //
"if-none-match", //
"if-range", //
"if-unmodified-since", //
"pragma", //
"referer" //
};
// Please note that new entries should be added right above
// FLASH_NAVIGATE_USAGE_ENUM_COUNT, and existing entries shouldn't be re-ordered
// or removed, since this ordering is used in a histogram.
enum FlashNavigateUsage {
// This section must be in the same order as kRejectedHttpRequestHeaders.
REJECT_AUTHORIZATION = 0,
REJECT_CACHE_CONTROL,
REJECT_CONTENT_ENCODING,
REJECT_CONTENT_MD5,
REJECT_CONTENT_TYPE,
REJECT_EXPIRES,
REJECT_FROM,
REJECT_IF_MATCH,
REJECT_IF_NONE_MATCH,
REJECT_IF_RANGE,
REJECT_IF_UNMODIFIED_SINCE,
REJECT_PRAGMA,
REJECT_REFERER,
// The navigate request is rejected because of headers not listed above
// (e.g., custom headers).
REJECT_OTHER_HEADERS,
// Total number of rejected navigate requests.
TOTAL_REJECTED_NAVIGATE_REQUESTS,
// Total number of navigate requests.
TOTAL_NAVIGATE_REQUESTS,
FLASH_NAVIGATE_USAGE_ENUM_COUNT
};
static base::LazyInstance<std::map<std::string, FlashNavigateUsage> >
g_rejected_headers = LAZY_INSTANCE_INITIALIZER;
bool IsSimpleHeader(const std::string& lower_case_header_name,
const std::string& header_value) {
if (lower_case_header_name == "accept" ||
lower_case_header_name == "accept-language" ||
lower_case_header_name == "content-language") {
return true;
}
if (lower_case_header_name == "content-type") {
std::string lower_case_mime_type;
std::string lower_case_charset;
bool had_charset = false;
net::HttpUtil::ParseContentType(header_value,
&lower_case_mime_type,
&lower_case_charset,
&had_charset,
NULL);
return lower_case_mime_type == "application/x-www-form-urlencoded" ||
lower_case_mime_type == "multipart/form-data" ||
lower_case_mime_type == "text/plain";
}
return false;
}
void RecordFlashNavigateUsage(FlashNavigateUsage usage) {
DCHECK_NE(FLASH_NAVIGATE_USAGE_ENUM_COUNT, usage);
UMA_HISTOGRAM_ENUMERATION(
"Plugin.FlashNavigateUsage", usage, FLASH_NAVIGATE_USAGE_ENUM_COUNT);
}
} // namespace
PepperFlashRendererHost::PepperFlashRendererHost(
content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource)
: ResourceHost(host->GetPpapiHost(), instance, resource),
host_(host),
weak_factory_(this) {}
PepperFlashRendererHost::~PepperFlashRendererHost() {
// This object may be destroyed in the middle of a sync message. If that is
// the case, make sure we respond to all the pending navigate calls.
std::vector<ppapi::host::ReplyMessageContext>::reverse_iterator it;
for (it = navigate_replies_.rbegin(); it != navigate_replies_.rend(); ++it)
SendReply(*it, IPC::Message());
}
int32_t PepperFlashRendererHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFlashRendererHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_GetProxyForURL,
OnGetProxyForURL)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_SetInstanceAlwaysOnTop,
OnSetInstanceAlwaysOnTop)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_DrawGlyphs,
OnDrawGlyphs)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_Navigate, OnNavigate)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_IsRectTopmost,
OnIsRectTopmost)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
int32_t PepperFlashRendererHost::OnGetProxyForURL(
ppapi::host::HostMessageContext* host_context,
const std::string& url) {
GURL gurl(url);
if (!gurl.is_valid())
return PP_ERROR_FAILED;
std::string proxy;
bool result = content::RenderThread::Get()->ResolveProxy(gurl, &proxy);
if (!result)
return PP_ERROR_FAILED;
host_context->reply_msg = PpapiPluginMsg_Flash_GetProxyForURLReply(proxy);
return PP_OK;
}
int32_t PepperFlashRendererHost::OnSetInstanceAlwaysOnTop(
ppapi::host::HostMessageContext* host_context,
bool on_top) {
content::PepperPluginInstance* plugin_instance =
host_->GetPluginInstance(pp_instance());
if (plugin_instance)
plugin_instance->SetAlwaysOnTop(on_top);
// Since no reply is sent for this message, it doesn't make sense to return an
// error.
return PP_OK;
}
int32_t PepperFlashRendererHost::OnDrawGlyphs(
ppapi::host::HostMessageContext* host_context,
ppapi::proxy::PPBFlash_DrawGlyphs_Params params) {
if (params.glyph_indices.size() != params.glyph_advances.size() ||
params.glyph_indices.empty())
return PP_ERROR_FAILED;
// Set up the typeface.
int style = SkTypeface::kNormal;
if (static_cast<PP_BrowserFont_Trusted_Weight>(params.font_desc.weight) >=
PP_BROWSERFONT_TRUSTED_WEIGHT_BOLD)
style |= SkTypeface::kBold;
if (params.font_desc.italic)
style |= SkTypeface::kItalic;
skia::RefPtr<SkTypeface> typeface = skia::AdoptRef(SkTypeface::CreateFromName(
params.font_desc.face.c_str(), static_cast<SkTypeface::Style>(style)));
if (!typeface)
return PP_ERROR_FAILED;
EnterResourceNoLock<PPB_ImageData_API> enter(
params.image_data.host_resource(), true);
if (enter.failed())
return PP_ERROR_FAILED;
// Set up the canvas.
PPB_ImageData_API* image = static_cast<PPB_ImageData_API*>(enter.object());
SkCanvas* canvas = image->GetCanvas();
bool needs_unmapping = false;
if (!canvas) {
needs_unmapping = true;
image->Map();
canvas = image->GetCanvas();
if (!canvas)
return PP_ERROR_FAILED; // Failure mapping.
}
SkAutoCanvasRestore acr(canvas, true);
// Clip is applied in pixels before the transform.
SkRect clip_rect = {
SkIntToScalar(params.clip.point.x), SkIntToScalar(params.clip.point.y),
SkIntToScalar(params.clip.point.x + params.clip.size.width),
SkIntToScalar(params.clip.point.y + params.clip.size.height)};
canvas->clipRect(clip_rect);
// Convert & set the matrix.
SkMatrix matrix;
matrix.set(SkMatrix::kMScaleX, SkFloatToScalar(params.transformation[0][0]));
matrix.set(SkMatrix::kMSkewX, SkFloatToScalar(params.transformation[0][1]));
matrix.set(SkMatrix::kMTransX, SkFloatToScalar(params.transformation[0][2]));
matrix.set(SkMatrix::kMSkewY, SkFloatToScalar(params.transformation[1][0]));
matrix.set(SkMatrix::kMScaleY, SkFloatToScalar(params.transformation[1][1]));
matrix.set(SkMatrix::kMTransY, SkFloatToScalar(params.transformation[1][2]));
matrix.set(SkMatrix::kMPersp0, SkFloatToScalar(params.transformation[2][0]));
matrix.set(SkMatrix::kMPersp1, SkFloatToScalar(params.transformation[2][1]));
matrix.set(SkMatrix::kMPersp2, SkFloatToScalar(params.transformation[2][2]));
canvas->concat(matrix);
SkPaint paint;
paint.setColor(params.color);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
paint.setAntiAlias(true);
paint.setHinting(SkPaint::kFull_Hinting);
paint.setTextSize(SkIntToScalar(params.font_desc.size));
paint.setTypeface(typeface.get()); // Takes a ref and manages lifetime.
if (params.allow_subpixel_aa) {
paint.setSubpixelText(true);
paint.setLCDRenderText(true);
}
SkScalar x = SkIntToScalar(params.position.x);
SkScalar y = SkIntToScalar(params.position.y);
// Build up the skia advances.
size_t glyph_count = params.glyph_indices.size();
if (glyph_count) {
std::vector<SkPoint> storage;
storage.resize(glyph_count);
SkPoint* sk_positions = &storage[0];
for (uint32_t i = 0; i < glyph_count; i++) {
sk_positions[i].set(x, y);
x += SkFloatToScalar(params.glyph_advances[i].x);
y += SkFloatToScalar(params.glyph_advances[i].y);
}
canvas->drawPosText(
&params.glyph_indices[0], glyph_count * 2, sk_positions, paint);
}
if (needs_unmapping)
image->Unmap();
return PP_OK;
}
// CAUTION: This code is subtle because Navigate is a sync call which may
// cause re-entrancy or cause the instance to be destroyed. If the instance
// is destroyed we need to ensure that we respond to all outstanding sync
// messages so that the plugin process does not remain blocked.
int32_t PepperFlashRendererHost::OnNavigate(
ppapi::host::HostMessageContext* host_context,
const ppapi::URLRequestInfoData& data,
const std::string& target,
bool from_user_action) {
// If our PepperPluginInstance is already destroyed, just return a failure.
content::PepperPluginInstance* plugin_instance =
host_->GetPluginInstance(pp_instance());
if (!plugin_instance)
return PP_ERROR_FAILED;
std::map<std::string, FlashNavigateUsage>& rejected_headers =
g_rejected_headers.Get();
if (rejected_headers.empty()) {
for (size_t i = 0; i < arraysize(kRejectedHttpRequestHeaders); ++i)
rejected_headers[kRejectedHttpRequestHeaders[i]] =
static_cast<FlashNavigateUsage>(i);
}
net::HttpUtil::HeadersIterator header_iter(
data.headers.begin(), data.headers.end(), "\n\r");
bool rejected = false;
while (header_iter.GetNext()) {
std::string lower_case_header_name =
base::StringToLowerASCII(header_iter.name());
if (!IsSimpleHeader(lower_case_header_name, header_iter.values())) {
rejected = true;
std::map<std::string, FlashNavigateUsage>::const_iterator iter =
rejected_headers.find(lower_case_header_name);
FlashNavigateUsage usage =
iter != rejected_headers.end() ? iter->second : REJECT_OTHER_HEADERS;
RecordFlashNavigateUsage(usage);
}
}
RecordFlashNavigateUsage(TOTAL_NAVIGATE_REQUESTS);
if (rejected) {
RecordFlashNavigateUsage(TOTAL_REJECTED_NAVIGATE_REQUESTS);
return PP_ERROR_NOACCESS;
}
// Navigate may call into Javascript (e.g. with a "javascript:" URL),
// or do things like navigate away from the page, either one of which will
// need to re-enter into the plugin. It is safe, because it is essentially
// equivalent to NPN_GetURL, where Flash would expect re-entrancy.
ppapi::proxy::HostDispatcher* host_dispatcher =
ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
host_dispatcher->set_allow_plugin_reentrancy();
// Grab a weak pointer to ourselves on the stack so we can check if we are
// still alive.
base::WeakPtr<PepperFlashRendererHost> weak_ptr = weak_factory_.GetWeakPtr();
// Keep track of reply contexts in case we are destroyed during a Navigate
// call. Even if we are destroyed, we still need to send these replies to
// unblock the plugin process.
navigate_replies_.push_back(host_context->MakeReplyMessageContext());
plugin_instance->Navigate(data, target.c_str(), from_user_action);
// This object might have been destroyed by this point. If it is destroyed
// the reply will be sent in the destructor. Otherwise send the reply here.
if (weak_ptr.get()) {
SendReply(navigate_replies_.back(), IPC::Message());
navigate_replies_.pop_back();
}
// Return PP_OK_COMPLETIONPENDING so that no reply is automatically sent.
return PP_OK_COMPLETIONPENDING;
}
int32_t PepperFlashRendererHost::OnIsRectTopmost(
ppapi::host::HostMessageContext* host_context,
const PP_Rect& rect) {
content::PepperPluginInstance* plugin_instance =
host_->GetPluginInstance(pp_instance());
if (plugin_instance &&
plugin_instance->IsRectTopmost(gfx::Rect(
rect.point.x, rect.point.y, rect.size.width, rect.size.height)))
return PP_OK;
return PP_ERROR_FAILED;
}

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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_
#define CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/resource_host.h"
struct PP_Rect;
namespace ppapi {
struct URLRequestInfoData;
}
namespace ppapi {
namespace proxy {
struct PPBFlash_DrawGlyphs_Params;
}
}
namespace content {
class RendererPpapiHost;
}
class PepperFlashRendererHost : public ppapi::host::ResourceHost {
public:
PepperFlashRendererHost(content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource);
~PepperFlashRendererHost() override;
// ppapi::host::ResourceHost override.
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
private:
int32_t OnGetProxyForURL(ppapi::host::HostMessageContext* host_context,
const std::string& url);
int32_t OnSetInstanceAlwaysOnTop(
ppapi::host::HostMessageContext* host_context,
bool on_top);
int32_t OnDrawGlyphs(ppapi::host::HostMessageContext* host_context,
ppapi::proxy::PPBFlash_DrawGlyphs_Params params);
int32_t OnNavigate(ppapi::host::HostMessageContext* host_context,
const ppapi::URLRequestInfoData& data,
const std::string& target,
bool from_user_action);
int32_t OnIsRectTopmost(ppapi::host::HostMessageContext* host_context,
const PP_Rect& rect);
// A stack of ReplyMessageContexts to track Navigate() calls which have not
// yet been replied to.
std::vector<ppapi::host::ReplyMessageContext> navigate_replies_;
content::RendererPpapiHost* host_;
base::WeakPtrFactory<PepperFlashRendererHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashRendererHost);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_

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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/renderer/pepper/pepper_helper.h"
#include "chrome/renderer/pepper/chrome_renderer_pepper_host_factory.h"
#include "chrome/renderer/pepper/pepper_shared_memory_message_filter.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/host/ppapi_host.h"
PepperHelper::PepperHelper(content::RenderFrame* render_frame)
: RenderFrameObserver(render_frame) {}
PepperHelper::~PepperHelper() {}
void PepperHelper::DidCreatePepperPlugin(content::RendererPpapiHost* host) {
// TODO(brettw) figure out how to hook up the host factory. It needs some
// kind of filter-like system to allow dynamic additions.
host->GetPpapiHost()->AddHostFactoryFilter(
scoped_ptr<ppapi::host::HostFactory>(
new ChromeRendererPepperHostFactory(host)));
host->GetPpapiHost()->AddInstanceMessageFilter(
scoped_ptr<ppapi::host::InstanceMessageFilter>(
new PepperSharedMemoryMessageFilter(host)));
}

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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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_HELPER_H_
#define CHROME_RENDERER_PEPPER_PEPPER_HELPER_H_
#include "base/compiler_specific.h"
#include "content/public/renderer/render_frame_observer.h"
// This class listens for Pepper creation events from the RenderFrame and
// attaches the parts required for Chrome-specific plugin support.
class PepperHelper : public content::RenderFrameObserver {
public:
explicit PepperHelper(content::RenderFrame* render_frame);
~PepperHelper() override;
// RenderFrameObserver.
void DidCreatePepperPlugin(content::RendererPpapiHost* host) override;
private:
DISALLOW_COPY_AND_ASSIGN(PepperHelper);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_HELPER_H_

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// Copyright (c) 2013 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/renderer/pepper/pepper_shared_memory_message_filter.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/shared_memory.h"
#include "base/process/process_handle.h"
#include "content/public/common/content_client.h"
#include "content/public/renderer/pepper_plugin_instance.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/var_tracker.h"
PepperSharedMemoryMessageFilter::PepperSharedMemoryMessageFilter(
content::RendererPpapiHost* host)
: InstanceMessageFilter(host->GetPpapiHost()), host_(host) {}
PepperSharedMemoryMessageFilter::~PepperSharedMemoryMessageFilter() {}
bool PepperSharedMemoryMessageFilter::OnInstanceMessageReceived(
const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PepperSharedMemoryMessageFilter, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_SharedMemory_CreateSharedMemory,
OnHostMsgCreateSharedMemory)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
bool PepperSharedMemoryMessageFilter::Send(IPC::Message* msg) {
return host_->GetPpapiHost()->Send(msg);
}
void PepperSharedMemoryMessageFilter::OnHostMsgCreateSharedMemory(
PP_Instance instance,
uint32_t size,
int* host_handle_id,
ppapi::proxy::SerializedHandle* plugin_handle) {
plugin_handle->set_null_shmem();
*host_handle_id = -1;
scoped_ptr<base::SharedMemory> shm(content::RenderThread::Get()
->HostAllocateSharedMemoryBuffer(size)
.Pass());
if (!shm.get())
return;
base::SharedMemoryHandle host_shm_handle;
shm->ShareToProcess(base::GetCurrentProcessHandle(), &host_shm_handle);
*host_handle_id =
content::PepperPluginInstance::Get(instance)
->GetVarTracker()
->TrackSharedMemoryHandle(instance, host_shm_handle, size);
base::PlatformFile host_handle =
#if defined(OS_WIN)
host_shm_handle;
#elif defined(OS_POSIX)
host_shm_handle.fd;
#else
#error Not implemented.
#endif
// We set auto_close to false since we need our file descriptor to
// actually be duplicated on linux. The shared memory destructor will
// close the original handle for us.
plugin_handle->set_shmem(host_->ShareHandleWithRemote(host_handle, false),
size);
}

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// Copyright (c) 2013 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.
#ifndef CHROME_RENDERER_PEPPER_PEPPER_SHARED_MEMORY_MESSAGE_FILTER_H_
#define CHROME_RENDERER_PEPPER_PEPPER_SHARED_MEMORY_MESSAGE_FILTER_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/host/instance_message_filter.h"
namespace content {
class RendererPpapiHost;
}
namespace ppapi {
namespace proxy {
class SerializedHandle;
}
}
// Implements the backend for shared memory messages from a plugin process.
class PepperSharedMemoryMessageFilter
: public ppapi::host::InstanceMessageFilter {
public:
explicit PepperSharedMemoryMessageFilter(content::RendererPpapiHost* host);
~PepperSharedMemoryMessageFilter() override;
// InstanceMessageFilter:
bool OnInstanceMessageReceived(const IPC::Message& msg) override;
bool Send(IPC::Message* msg);
private:
// Message handlers.
void OnHostMsgCreateSharedMemory(
PP_Instance instance,
uint32_t size,
int* host_shm_handle_id,
ppapi::proxy::SerializedHandle* plugin_shm_handle);
content::RendererPpapiHost* host_;
DISALLOW_COPY_AND_ASSIGN(PepperSharedMemoryMessageFilter);
};
#endif // CHROME_RENDERER_PEPPER_PEPPER_SHARED_MEMORY_MESSAGE_FILTER_H_