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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 "ppapi/proxy/ppb_flash_menu_proxy.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/private/ppb_flash_menu.h"
#include "ppapi/proxy/ppapi_messages.h"
namespace pp {
namespace proxy {
class FlashMenu : public PluginResource {
public:
explicit FlashMenu(const HostResource& resource)
: PluginResource(resource),
callback_(PP_BlockUntilComplete()),
selected_id_ptr_(NULL) {
}
virtual ~FlashMenu() {}
// Resource overrides.
virtual FlashMenu* AsFlashMenu() { return this; }
int32_t* selected_id_ptr() const { return selected_id_ptr_; }
void set_selected_id_ptr(int32_t* ptr) { selected_id_ptr_ = ptr; }
PP_CompletionCallback callback() const { return callback_; }
void set_callback(PP_CompletionCallback cb) { callback_ = cb; }
private:
PP_CompletionCallback callback_;
int32_t* selected_id_ptr_;
DISALLOW_COPY_AND_ASSIGN(FlashMenu);
};
namespace {
PP_Resource Create(PP_Instance instance_id, const PP_Flash_Menu* menu_data) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return 0;
HostResource result;
pp::proxy::SerializedFlashMenu serialized_menu;
if (!serialized_menu.SetPPMenu(menu_data))
return 0;
dispatcher->Send(new PpapiHostMsg_PPBFlashMenu_Create(
INTERFACE_ID_PPB_FLASH_MENU, instance_id, serialized_menu, &result));
if (result.is_null())
return 0;
linked_ptr<FlashMenu> menu(new FlashMenu(result));
return PluginResourceTracker::GetInstance()->AddResource(menu);
}
PP_Bool IsFlashMenu(PP_Resource resource) {
return BoolToPPBool(!!PluginResource::GetAs<FlashMenu>(resource));
}
int32_t Show(PP_Resource menu_id,
const PP_Point* location,
int32_t* selected_id,
PP_CompletionCallback callback) {
FlashMenu* object = PluginResource::GetAs<FlashMenu>(menu_id);
if (!object)
return PP_ERROR_BADRESOURCE;
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
object->instance());
if (!dispatcher)
return PP_ERROR_FAILED;
if (object->callback().func)
return PP_ERROR_INPROGRESS;
object->set_selected_id_ptr(selected_id);
object->set_callback(callback);
dispatcher->Send(new PpapiHostMsg_PPBFlashMenu_Show(
INTERFACE_ID_PPB_FLASH_MENU, object->host_resource(), *location));
return PP_OK_COMPLETIONPENDING;
}
const PPB_Flash_Menu flash_menu_interface = {
&Create,
&IsFlashMenu,
&Show,
};
InterfaceProxy* CreateFlashMenuProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_Flash_Menu_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_Flash_Menu_Proxy::PPB_Flash_Menu_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface),
callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
}
PPB_Flash_Menu_Proxy::~PPB_Flash_Menu_Proxy() {
}
const InterfaceProxy::Info* PPB_Flash_Menu_Proxy::GetInfo() {
static const Info info = {
&flash_menu_interface,
PPB_FLASH_MENU_INTERFACE,
INTERFACE_ID_PPB_FLASH_MENU,
true,
&CreateFlashMenuProxy,
};
return &info;
}
bool PPB_Flash_Menu_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_Flash_Menu_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashMenu_Create,
OnMsgCreate)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashMenu_Show,
OnMsgShow)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBFlashMenu_ShowACK,
OnMsgShowACK)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
// FIXME(brettw) handle bad messages!
return handled;
}
void PPB_Flash_Menu_Proxy::OnMsgCreate(PP_Instance instance_id,
const SerializedFlashMenu& menu_data,
HostResource* result) {
PP_Resource resource = ppb_flash_menu_target()->Create(instance_id,
menu_data.pp_menu());
result->SetHostResource(instance_id, resource);
}
struct PPB_Flash_Menu_Proxy::ShowRequest {
HostResource menu;
int32_t selected_id;
};
void PPB_Flash_Menu_Proxy::OnMsgShow(const HostResource& menu,
const PP_Point& location) {
ShowRequest* request = new ShowRequest;
request->menu = menu;
CompletionCallback callback = callback_factory_.NewCallback(
&PPB_Flash_Menu_Proxy::SendShowACKToPlugin, request);
int32_t result = ppb_flash_menu_target()->Show(
menu.host_resource(),
&location,
&request->selected_id,
callback.pp_completion_callback());
if (result != PP_OK_COMPLETIONPENDING) {
// There was some error, so we won't get a callback. We need to now issue
// the ACK to the plugin so that it hears about the error. This will also
// clean up the data associated with the callback.
callback.Run(result);
}
}
void PPB_Flash_Menu_Proxy::OnMsgShowACK(const HostResource& menu,
int32_t selected_id,
int32_t result) {
PP_Resource plugin_resource =
PluginResourceTracker::GetInstance()->PluginResourceForHostResource(menu);
if (!plugin_resource)
return;
FlashMenu* object = PluginResource::GetAs<FlashMenu>(plugin_resource);
if (!object) {
// The plugin has released the FlashMenu object so don't issue the
// callback.
return;
}
// Be careful to make the callback NULL before issuing the callback since the
// plugin might want to show the menu again from within the callback.
PP_CompletionCallback callback = object->callback();
object->set_callback(PP_BlockUntilComplete());
*(object->selected_id_ptr()) = selected_id;
PP_RunCompletionCallback(&callback, result);
}
void PPB_Flash_Menu_Proxy::SendShowACKToPlugin(
int32_t result,
ShowRequest* request) {
dispatcher()->Send(new PpapiMsg_PPBFlashMenu_ShowACK(
INTERFACE_ID_PPB_FLASH_MENU,
request->menu,
request->selected_id,
result));
delete request;
}
} // namespace proxy
} // namespace pp
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