| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "core/inspector/InspectorInputAgent.h" |
| |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/input/EventHandler.h" |
| #include "core/inspector/InspectedFrames.h" |
| #include "core/page/ChromeClient.h" |
| #include "core/page/Page.h" |
| #include "platform/JSONValues.h" |
| #include "platform/PlatformEvent.h" |
| #include "platform/PlatformTouchEvent.h" |
| #include "platform/PlatformTouchPoint.h" |
| #include "platform/geometry/FloatSize.h" |
| #include "platform/geometry/IntPoint.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/geometry/IntSize.h" |
| #include "wtf/CurrentTime.h" |
| |
| namespace { |
| |
| enum Modifiers { |
| AltKey = 1 << 0, |
| CtrlKey = 1 << 1, |
| MetaKey = 1 << 2, |
| ShiftKey = 1 << 3 |
| }; |
| |
| unsigned GetEventModifiers(const int* modifiers) |
| { |
| if (!modifiers) |
| return 0; |
| unsigned platformModifiers = 0; |
| if (*modifiers & AltKey) |
| platformModifiers |= blink::PlatformEvent::AltKey; |
| if (*modifiers & CtrlKey) |
| platformModifiers |= blink::PlatformEvent::CtrlKey; |
| if (*modifiers & MetaKey) |
| platformModifiers |= blink::PlatformEvent::MetaKey; |
| if (*modifiers & ShiftKey) |
| platformModifiers |= blink::PlatformEvent::ShiftKey; |
| return platformModifiers; |
| } |
| |
| class SyntheticInspectorTouchPoint : public blink::PlatformTouchPoint { |
| public: |
| SyntheticInspectorTouchPoint(int id, State state, const blink::IntPoint& screenPos, const blink::IntPoint& pos, int radiusX, int radiusY, double rotationAngle, double force) |
| { |
| m_pointerProperties.id = id; |
| m_screenPos = screenPos; |
| m_pos = pos; |
| m_state = state; |
| m_radius = blink::FloatSize(radiusX, radiusY); |
| m_rotationAngle = rotationAngle; |
| m_pointerProperties.force = force; |
| } |
| }; |
| |
| class SyntheticInspectorTouchEvent : public blink::PlatformTouchEvent { |
| public: |
| SyntheticInspectorTouchEvent(const blink::PlatformEvent::Type type, unsigned modifiers, double timestamp) |
| { |
| m_type = type; |
| m_modifiers = modifiers; |
| m_timestamp = timestamp; |
| } |
| |
| void append(const blink::PlatformTouchPoint& point) |
| { |
| m_touchPoints.append(point); |
| } |
| }; |
| |
| void ConvertInspectorPoint(blink::LocalFrame* frame, const blink::IntPoint& pointInFrame, blink::IntPoint* convertedPoint, blink::IntPoint* globalPoint) |
| { |
| *convertedPoint = frame->view()->convertToRootFrame(pointInFrame); |
| *globalPoint = frame->page()->chromeClient().viewportToScreen(blink::IntRect(pointInFrame, blink::IntSize(0, 0))).location(); |
| } |
| |
| } // namespace |
| |
| namespace blink { |
| |
| InspectorInputAgent::InspectorInputAgent(InspectedFrames* inspectedFrames) |
| : InspectorBaseAgent<InspectorInputAgent, protocol::Frontend::Input>("Input") |
| , m_inspectedFrames(inspectedFrames) |
| { |
| } |
| |
| InspectorInputAgent::~InspectorInputAgent() |
| { |
| } |
| |
| void InspectorInputAgent::dispatchTouchEvent(ErrorString* error, const String& type, const RefPtr<JSONArray>& touchPoints, const int* modifiers, const double* timestamp) |
| { |
| PlatformEvent::Type convertedType; |
| if (type == "touchStart") { |
| convertedType = PlatformEvent::TouchStart; |
| } else if (type == "touchEnd") { |
| convertedType = PlatformEvent::TouchEnd; |
| } else if (type == "touchMove") { |
| convertedType = PlatformEvent::TouchMove; |
| } else { |
| *error = "Unrecognized type: " + type; |
| return; |
| } |
| |
| unsigned convertedModifiers = GetEventModifiers(modifiers); |
| |
| SyntheticInspectorTouchEvent event(convertedType, convertedModifiers, timestamp ? *timestamp : currentTime()); |
| |
| int autoId = 0; |
| for (auto& touchPoint : *touchPoints) { |
| RefPtr<JSONObject> pointObj; |
| String state; |
| int x, y, radiusX, radiusY, id; |
| double rotationAngle, force; |
| touchPoint->asObject(&pointObj); |
| if (!pointObj->getString("state", &state)) { |
| *error = "TouchPoint missing 'state'"; |
| return; |
| } |
| if (!pointObj->getNumber("x", &x)) { |
| *error = "TouchPoint missing 'x' coordinate"; |
| return; |
| } |
| if (!pointObj->getNumber("y", &y)) { |
| *error = "TouchPoint missing 'y' coordinate"; |
| return; |
| } |
| if (!pointObj->getNumber("radiusX", &radiusX)) |
| radiusX = 1; |
| if (!pointObj->getNumber("radiusY", &radiusY)) |
| radiusY = 1; |
| if (!pointObj->getNumber("rotationAngle", &rotationAngle)) |
| rotationAngle = 0.0f; |
| if (!pointObj->getNumber("force", &force)) |
| force = 1.0f; |
| if (pointObj->getNumber("id", &id)) { |
| if (autoId > 0) |
| id = -1; |
| autoId = -1; |
| } else { |
| id = autoId++; |
| } |
| if (id < 0) { |
| *error = "All or none of the provided TouchPoints must supply positive integer ids."; |
| return; |
| } |
| |
| PlatformTouchPoint::State convertedState; |
| if (state == "touchPressed") { |
| convertedState = PlatformTouchPoint::TouchPressed; |
| } else if (state == "touchReleased") { |
| convertedState = PlatformTouchPoint::TouchReleased; |
| } else if (state == "touchMoved") { |
| convertedState = PlatformTouchPoint::TouchMoved; |
| } else if (state == "touchStationary") { |
| convertedState = PlatformTouchPoint::TouchStationary; |
| } else if (state == "touchCancelled") { |
| convertedState = PlatformTouchPoint::TouchCancelled; |
| } else { |
| *error = "Unrecognized state: " + state; |
| return; |
| } |
| |
| // Some platforms may have flipped coordinate systems, but the given coordinates |
| // assume the origin is in the top-left of the window. Convert. |
| IntPoint convertedPoint, globalPoint; |
| ConvertInspectorPoint(m_inspectedFrames->root(), IntPoint(x, y), &convertedPoint, &globalPoint); |
| |
| SyntheticInspectorTouchPoint point(id++, convertedState, globalPoint, convertedPoint, radiusX, radiusY, rotationAngle, force); |
| event.append(point); |
| } |
| |
| m_inspectedFrames->root()->eventHandler().handleTouchEvent(event); |
| } |
| |
| DEFINE_TRACE(InspectorInputAgent) |
| { |
| visitor->trace(m_inspectedFrames); |
| InspectorBaseAgent::trace(visitor); |
| } |
| |
| } // namespace blink |
