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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_plugin_instance.h"
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "gfx/rect.h"
#include "third_party/ppapi/c/pp_instance.h"
#include "third_party/ppapi/c/pp_event.h"
#include "third_party/ppapi/c/pp_rect.h"
#include "third_party/ppapi/c/pp_resource.h"
#include "third_party/ppapi/c/ppb_instance.h"
#include "third_party/ppapi/c/ppp_instance.h"
#include "third_party/WebKit/WebKit/chromium/public/WebInputEvent.h"
#include "webkit/glue/plugins/pepper_device_context_2d.h"
#include "webkit/glue/plugins/pepper_plugin_module.h"
#include "webkit/glue/plugins/pepper_resource_tracker.h"
using WebKit::WebInputEvent;
namespace pepper {
namespace {
void RectToPPRect(const gfx::Rect& input, PP_Rect* output) {
output->left = input.x();
output->top = input.y();
output->right = input.right();
output->bottom = input.bottom();
}
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 WebKit::WebKeyboardEvent* key_event =
reinterpret_cast<const WebKit::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 WebKit::WebKeyboardEvent* key_event =
reinterpret_cast<const WebKit::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 < WebKit::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 WebKit::WebMouseEvent* mouse_event =
reinterpret_cast<const WebKit::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 WebKit::WebMouseWheelEvent* mouse_wheel_event =
reinterpret_cast<const WebKit::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;
}
bool BindGraphicsDeviceContext(PP_Instance instance_id, PP_Resource device_id) {
PluginInstance* instance = PluginInstance::FromPPInstance(instance_id);
if (!instance)
return false;
return instance->BindGraphicsDeviceContext(device_id);
}
const PPB_Instance ppb_instance = {
&BindGraphicsDeviceContext,
};
} // namespace
PluginInstance::PluginInstance(PluginDelegate* delegate,
PluginModule* module,
const PPP_Instance* instance_interface)
: delegate_(delegate),
module_(module),
instance_interface_(instance_interface) {
DCHECK(delegate);
module_->InstanceCreated(this);
}
PluginInstance::~PluginInstance() {
module_->InstanceDeleted(this);
}
// static
const PPB_Instance* PluginInstance::GetInterface() {
return &ppb_instance;
}
// static
PluginInstance* PluginInstance::FromPPInstance(PP_Instance instance) {
return reinterpret_cast<PluginInstance*>(instance.id);
}
PP_Instance PluginInstance::GetPPInstance() {
PP_Instance ret;
ret.id = reinterpret_cast<intptr_t>(this);
return ret;
}
void PluginInstance::Paint(WebKit::WebCanvas* canvas,
const gfx::Rect& plugin_rect,
const gfx::Rect& paint_rect) {
if (device_context_2d_)
device_context_2d_->Paint(canvas, plugin_rect, paint_rect);
}
bool PluginInstance::BindGraphicsDeviceContext(PP_Resource device_id) {
scoped_refptr<Resource> device_resource =
ResourceTracker::Get()->GetResource(device_id);
if (!device_resource.get())
return false;
DeviceContext2D* device_2d = device_resource->AsDeviceContext2D();
if (device_2d) {
device_context_2d_ = device_2d;
// TODO(brettw) repaint the plugin.
}
return true;
}
void PluginInstance::Delete() {
instance_interface_->Delete(GetPPInstance());
}
bool PluginInstance::Initialize(const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values) {
if (!instance_interface_->New(GetPPInstance()))
return false;
size_t argc = 0;
scoped_array<const char*> argn(new const char*[arg_names.size()]);
scoped_array<const char*> argv(new const char*[arg_names.size()]);
for (size_t i = 0; i < arg_names.size(); ++i) {
argn[argc] = arg_names[i].c_str();
argv[argc] = arg_values[i].c_str();
argc++;
}
return instance_interface_->Initialize(GetPPInstance(),
argc, argn.get(), argv.get());
}
bool PluginInstance::HandleInputEvent(const WebKit::WebInputEvent& event,
WebKit::WebCursorInfo* cursor_info) {
PP_Event 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 false;
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);
break;
case PP_Event_Type_MouseWheel:
BuildMouseWheelEvent(&event, &pp_event);
break;
case PP_Event_Type_RawKeyDown:
case PP_Event_Type_KeyDown:
case PP_Event_Type_KeyUp:
BuildKeyEvent(&event, &pp_event);
break;
case PP_Event_Type_Char:
BuildCharEvent(&event, &pp_event);
break;
}
return instance_interface_->HandleEvent(GetPPInstance(), &pp_event);
}
void PluginInstance::ViewChanged(const gfx::Rect& position,
const gfx::Rect& clip) {
PP_Rect pp_position, pp_clip;
RectToPPRect(position, &pp_position);
RectToPPRect(clip, &pp_clip);
instance_interface_->ViewChanged(GetPPInstance(), &pp_position, &pp_clip);
}
} // namespace pepper
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