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// Copyright (c) 2010 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 "webkit/glue/plugins/pepper_event_conversion.h"
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "third_party/ppapi/c/pp_event.h"
#include "third_party/WebKit/WebKit/chromium/public/WebInputEvent.h"
using WebKit::WebInputEvent;
using WebKit::WebKeyboardEvent;
using WebKit::WebMouseEvent;
using WebKit::WebMouseWheelEvent;
namespace {
// Anonymous namespace for functions converting WebInputEvent to PP_Event and
// back.
PP_Event_Type ConvertEventTypes(WebInputEvent::Type wetype) {
switch (wetype) {
case WebInputEvent::MouseDown:
return PP_Event_Type_MouseDown;
case WebInputEvent::MouseUp:
return PP_Event_Type_MouseUp;
case WebInputEvent::MouseMove:
return PP_Event_Type_MouseMove;
case WebInputEvent::MouseEnter:
return PP_Event_Type_MouseEnter;
case WebInputEvent::MouseLeave:
return PP_Event_Type_MouseLeave;
case WebInputEvent::MouseWheel:
return PP_Event_Type_MouseWheel;
case WebInputEvent::RawKeyDown:
return PP_Event_Type_RawKeyDown;
case WebInputEvent::KeyDown:
return PP_Event_Type_KeyDown;
case WebInputEvent::KeyUp:
return PP_Event_Type_KeyUp;
case WebInputEvent::Char:
return PP_Event_Type_Char;
case WebInputEvent::Undefined:
default:
return PP_Event_Type_Undefined;
}
}
void BuildKeyEvent(const WebInputEvent* event, PP_Event* pp_event) {
const WebKeyboardEvent* key_event =
reinterpret_cast<const WebKeyboardEvent*>(event);
pp_event->u.key.modifier = key_event->modifiers;
pp_event->u.key.normalizedKeyCode = key_event->windowsKeyCode;
}
void BuildCharEvent(const WebInputEvent* event, PP_Event* pp_event) {
const WebKeyboardEvent* key_event =
reinterpret_cast<const WebKeyboardEvent*>(event);
pp_event->u.character.modifier = key_event->modifiers;
// For consistency, check that the sizes of the texts agree.
DCHECK(sizeof(pp_event->u.character.text) == sizeof(key_event->text));
DCHECK(sizeof(pp_event->u.character.unmodifiedText) ==
sizeof(key_event->unmodifiedText));
for (size_t i = 0; i < WebKeyboardEvent::textLengthCap; ++i) {
pp_event->u.character.text[i] = key_event->text[i];
pp_event->u.character.unmodifiedText[i] = key_event->unmodifiedText[i];
}
}
void BuildMouseEvent(const WebInputEvent* event, PP_Event* pp_event) {
const WebMouseEvent* mouse_event =
reinterpret_cast<const WebMouseEvent*>(event);
pp_event->u.mouse.modifier = mouse_event->modifiers;
pp_event->u.mouse.button = mouse_event->button;
pp_event->u.mouse.x = mouse_event->x;
pp_event->u.mouse.y = mouse_event->y;
pp_event->u.mouse.clickCount = mouse_event->clickCount;
}
void BuildMouseWheelEvent(const WebInputEvent* event, PP_Event* pp_event) {
const WebMouseWheelEvent* mouse_wheel_event =
reinterpret_cast<const WebMouseWheelEvent*>(event);
pp_event->u.wheel.modifier = mouse_wheel_event->modifiers;
pp_event->u.wheel.deltaX = mouse_wheel_event->deltaX;
pp_event->u.wheel.deltaY = mouse_wheel_event->deltaY;
pp_event->u.wheel.wheelTicksX = mouse_wheel_event->wheelTicksX;
pp_event->u.wheel.wheelTicksY = mouse_wheel_event->wheelTicksY;
pp_event->u.wheel.scrollByPage = mouse_wheel_event->scrollByPage;
}
WebKeyboardEvent* BuildKeyEvent(const PP_Event& event) {
WebKeyboardEvent* key_event = new WebKeyboardEvent();
switch (event.type) {
case PP_Event_Type_RawKeyDown:
key_event->type = WebInputEvent::RawKeyDown;
break;
case PP_Event_Type_KeyDown:
key_event->type = WebInputEvent::KeyDown;
break;
case PP_Event_Type_KeyUp:
key_event->type = WebInputEvent::KeyUp;
break;
}
key_event->timeStampSeconds = event.time_stamp_seconds;
key_event->modifiers = event.u.key.modifier;
key_event->windowsKeyCode = event.u.key.normalizedKeyCode;
return key_event;
}
WebKeyboardEvent* BuildCharEvent(const PP_Event& event) {
WebKeyboardEvent* key_event = new WebKeyboardEvent();
key_event->type = WebInputEvent::Char;
key_event->timeStampSeconds = event.time_stamp_seconds;
key_event->modifiers = event.u.character.modifier;
// For consistency, check that the sizes of the texts agree.
DCHECK(sizeof(event.u.character.text) == sizeof(key_event->text));
DCHECK(sizeof(event.u.character.unmodifiedText) ==
sizeof(key_event->unmodifiedText));
for (size_t i = 0; i < WebKeyboardEvent::textLengthCap; ++i) {
key_event->text[i] = event.u.character.text[i];
key_event->unmodifiedText[i] = event.u.character.unmodifiedText[i];
}
return key_event;
}
WebMouseEvent* BuildMouseEvent(const PP_Event& event) {
WebMouseEvent* mouse_event = new WebMouseEvent();
switch (event.type) {
case PP_Event_Type_MouseDown:
mouse_event->type = WebInputEvent::MouseDown;
break;
case PP_Event_Type_MouseUp:
mouse_event->type = WebInputEvent::MouseUp;
break;
case PP_Event_Type_MouseMove:
mouse_event->type = WebInputEvent::MouseMove;
break;
case PP_Event_Type_MouseEnter:
mouse_event->type = WebInputEvent::MouseEnter;
break;
case PP_Event_Type_MouseLeave:
mouse_event->type = WebInputEvent::MouseLeave;
break;
}
mouse_event->timeStampSeconds = event.time_stamp_seconds;
mouse_event->modifiers = event.u.mouse.modifier;
mouse_event->button =
static_cast<WebMouseEvent::Button>(event.u.mouse.button);
mouse_event->x = event.u.mouse.x;
mouse_event->y = event.u.mouse.y;
mouse_event->clickCount = event.u.mouse.clickCount;
return mouse_event;
}
WebMouseWheelEvent* BuildMouseWheelEvent(const PP_Event& event) {
WebMouseWheelEvent* mouse_wheel_event = new WebMouseWheelEvent();
mouse_wheel_event->type = WebInputEvent::MouseWheel;
mouse_wheel_event->timeStampSeconds = event.time_stamp_seconds;
mouse_wheel_event->modifiers = event.u.wheel.modifier;
mouse_wheel_event->deltaX = event.u.wheel.deltaX;
mouse_wheel_event->deltaY = event.u.wheel.deltaY;
mouse_wheel_event->wheelTicksX = event.u.wheel.wheelTicksX;
mouse_wheel_event->wheelTicksY = event.u.wheel.wheelTicksY;
mouse_wheel_event->scrollByPage = event.u.wheel.scrollByPage;
return mouse_wheel_event;
}
} // namespace
namespace pepper {
PP_Event* CreatePP_Event(const WebInputEvent& event) {
scoped_ptr<PP_Event> pp_event(new PP_Event);
pp_event->type = ConvertEventTypes(event.type);
pp_event->size = sizeof(pp_event);
pp_event->time_stamp_seconds = event.timeStampSeconds;
switch (pp_event->type) {
case PP_Event_Type_Undefined:
return NULL;
case PP_Event_Type_MouseDown:
case PP_Event_Type_MouseUp:
case PP_Event_Type_MouseMove:
case PP_Event_Type_MouseEnter:
case PP_Event_Type_MouseLeave:
BuildMouseEvent(&event, pp_event.get());
break;
case PP_Event_Type_MouseWheel:
BuildMouseWheelEvent(&event, pp_event.get());
break;
case PP_Event_Type_RawKeyDown:
case PP_Event_Type_KeyDown:
case PP_Event_Type_KeyUp:
BuildKeyEvent(&event, pp_event.get());
break;
case PP_Event_Type_Char:
BuildCharEvent(&event, pp_event.get());
break;
}
return pp_event.release();
}
WebInputEvent* CreateWebInputEvent(const PP_Event& event) {
scoped_ptr<WebInputEvent> web_input_event;
switch (event.type) {
case PP_Event_Type_Undefined:
return NULL;
case PP_Event_Type_MouseDown:
case PP_Event_Type_MouseUp:
case PP_Event_Type_MouseMove:
case PP_Event_Type_MouseEnter:
case PP_Event_Type_MouseLeave:
web_input_event.reset(BuildMouseEvent(event));
break;
case PP_Event_Type_MouseWheel:
web_input_event.reset(BuildMouseWheelEvent(event));
break;
case PP_Event_Type_RawKeyDown:
case PP_Event_Type_KeyDown:
case PP_Event_Type_KeyUp:
web_input_event.reset(BuildKeyEvent(event));
break;
case PP_Event_Type_Char:
web_input_event.reset(BuildCharEvent(event));
break;
case PP_Event_Type_Focus:
// NOTIMPLEMENTED();
return NULL;
}
return web_input_event.release();
}
} // namespace pepper
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