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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_cursor_control_proxy.h"
#include "ppapi/c/dev/pp_cursor_type_dev.h"
#include "ppapi/c/dev/ppb_cursor_control_dev.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_resource.h"
#include "ppapi/proxy/plugin_resource_tracker.h"
#include "ppapi/proxy/ppapi_messages.h"
namespace pp {
namespace proxy {
namespace {
PP_Bool SetCursor(PP_Instance instance_id,
PP_CursorType_Dev type,
PP_Resource custom_image_id,
const PP_Point* hot_spot) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
// It's legal for the image ID to be null if the type is not custom.
HostResource cursor_image_resource;
if (type == PP_CURSORTYPE_CUSTOM) {
PluginResource* cursor_image = PluginResourceTracker::GetInstance()->
GetResourceObject(custom_image_id);
if (!cursor_image || cursor_image->instance() != instance_id)
return PP_FALSE;
cursor_image_resource = cursor_image->host_resource();
} else {
if (custom_image_id)
return PP_FALSE; // Image specified for a predefined type.
}
PP_Bool result = PP_FALSE;
PP_Point empty_point = { 0, 0 };
dispatcher->Send(new PpapiHostMsg_PPBCursorControl_SetCursor(
INTERFACE_ID_PPB_CURSORCONTROL,
instance_id, static_cast<int32_t>(type), cursor_image_resource,
hot_spot ? *hot_spot : empty_point, &result));
return result;
}
PP_Bool LockCursor(PP_Instance instance_id) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBCursorControl_LockCursor(
INTERFACE_ID_PPB_CURSORCONTROL, instance_id, &result));
return result;
}
PP_Bool UnlockCursor(PP_Instance instance_id) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBCursorControl_UnlockCursor(
INTERFACE_ID_PPB_CURSORCONTROL, instance_id, &result));
return result;
}
PP_Bool HasCursorLock(PP_Instance instance_id) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBCursorControl_HasCursorLock(
INTERFACE_ID_PPB_CURSORCONTROL, instance_id, &result));
return result;
}
PP_Bool CanLockCursor(PP_Instance instance_id) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBCursorControl_CanLockCursor(
INTERFACE_ID_PPB_CURSORCONTROL, instance_id, &result));
return result;
}
const PPB_CursorControl_Dev cursor_control_interface = {
&SetCursor,
&LockCursor,
&UnlockCursor,
&HasCursorLock,
&CanLockCursor
};
} // namespace
PPB_CursorControl_Proxy::PPB_CursorControl_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface) {
}
PPB_CursorControl_Proxy::~PPB_CursorControl_Proxy() {
}
const void* PPB_CursorControl_Proxy::GetSourceInterface() const {
return &cursor_control_interface;
}
InterfaceID PPB_CursorControl_Proxy::GetInterfaceId() const {
return INTERFACE_ID_PPB_CURSORCONTROL;
}
bool PPB_CursorControl_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_CursorControl_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCursorControl_SetCursor,
OnMsgSetCursor)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCursorControl_LockCursor,
OnMsgLockCursor)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCursorControl_UnlockCursor,
OnMsgUnlockCursor)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCursorControl_HasCursorLock,
OnMsgHasCursorLock)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCursorControl_CanLockCursor,
OnMsgCanLockCursor)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
// TODO(brettw): handle bad messages!
return handled;
}
void PPB_CursorControl_Proxy::OnMsgSetCursor(PP_Instance instance,
int32_t type,
HostResource custom_image,
const PP_Point& hot_spot,
PP_Bool* result) {
*result = ppb_cursor_control_target()->SetCursor(
instance, static_cast<PP_CursorType_Dev>(type),
custom_image.host_resource(), &hot_spot);
}
void PPB_CursorControl_Proxy::OnMsgLockCursor(PP_Instance instance,
PP_Bool* result) {
*result = ppb_cursor_control_target()->LockCursor(instance);
}
void PPB_CursorControl_Proxy::OnMsgUnlockCursor(PP_Instance instance,
PP_Bool* result) {
*result = ppb_cursor_control_target()->UnlockCursor(instance);
}
void PPB_CursorControl_Proxy::OnMsgHasCursorLock(PP_Instance instance,
PP_Bool* result) {
*result = ppb_cursor_control_target()->HasCursorLock(instance);
}
void PPB_CursorControl_Proxy::OnMsgCanLockCursor(PP_Instance instance,
PP_Bool* result) {
*result = ppb_cursor_control_target()->CanLockCursor(instance);
}
} // namespace proxy
} // namespace pp
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