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// Copyright 2014 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 "content/browser/devtools/protocol/input_handler.h"
#include "base/strings/stringprintf.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
namespace content {
namespace devtools {
namespace input {
typedef DevToolsProtocolClient::Response Response;
InputHandler::InputHandler()
: host_(NULL) {
}
InputHandler::~InputHandler() {
}
void InputHandler::SetRenderViewHost(RenderViewHostImpl* host) {
host_ = host;
}
Response InputHandler::EmulateTouchFromMouseEvent(const std::string& type,
int x,
int y,
double timestamp,
const std::string& button,
double* delta_x,
double* delta_y,
int* modifiers,
int* click_count) {
blink::WebMouseWheelEvent wheel_event;
blink::WebMouseEvent mouse_event;
blink::WebMouseEvent* event = &mouse_event;
if (type == emulate_touch_from_mouse_event::kTypeMousePressed) {
event->type = blink::WebInputEvent::MouseDown;
} else if (type == emulate_touch_from_mouse_event::kTypeMouseReleased) {
event->type = blink::WebInputEvent::MouseUp;
} else if (type == emulate_touch_from_mouse_event::kTypeMouseMoved) {
event->type = blink::WebInputEvent::MouseMove;
} else if (type == emulate_touch_from_mouse_event::kTypeMouseWheel) {
if (!delta_x || !delta_y) {
return Response::InvalidParams(
"'deltaX' and 'deltaY' are expected for mouseWheel event");
}
wheel_event.deltaX = static_cast<float>(*delta_x);
wheel_event.deltaY = static_cast<float>(*delta_y);
event = &wheel_event;
event->type = blink::WebInputEvent::MouseWheel;
} else {
return Response::InvalidParams(
base::StringPrintf("Unexpected event type '%s'", type.c_str()));
}
if (modifiers) {
if (*modifiers & 1)
event->modifiers |= blink::WebInputEvent::AltKey;
if (*modifiers & 2)
event->modifiers |= blink::WebInputEvent::ControlKey;
if (*modifiers & 4)
event->modifiers |= blink::WebInputEvent::MetaKey;
if (*modifiers & 8)
event->modifiers |= blink::WebInputEvent::ShiftKey;
}
event->timeStampSeconds = timestamp;
event->x = x;
event->y = y;
event->windowX = x;
event->windowY = y;
event->globalX = x;
event->globalY = y;
if (click_count)
event->clickCount = *click_count;
if (button == emulate_touch_from_mouse_event::kButtonNone) {
event->button = blink::WebMouseEvent::ButtonNone;
} else if (button == emulate_touch_from_mouse_event::kButtonLeft) {
event->button = blink::WebMouseEvent::ButtonLeft;
event->modifiers |= blink::WebInputEvent::LeftButtonDown;
} else if (button == emulate_touch_from_mouse_event::kButtonMiddle) {
event->button = blink::WebMouseEvent::ButtonMiddle;
event->modifiers |= blink::WebInputEvent::MiddleButtonDown;
} else if (button == emulate_touch_from_mouse_event::kButtonRight) {
event->button = blink::WebMouseEvent::ButtonRight;
event->modifiers |= blink::WebInputEvent::RightButtonDown;
} else {
return Response::InvalidParams(
base::StringPrintf("Unexpected mouse button '%s'", button.c_str()));
}
if (!host_)
return Response::ServerError("Could not connect to view");
if (event->type == blink::WebInputEvent::MouseWheel)
host_->ForwardWheelEvent(wheel_event);
else
host_->ForwardMouseEvent(mouse_event);
return Response::OK();
}
} // namespace input
} // namespace devtools
} // namespace content
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