| /* |
| * Copyright (C) 2011 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: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "config.h" |
| #include "TestWebPlugin.h" |
| |
| #include "WebFrame.h" |
| #include "WebInputEvent.h" |
| #include "platform/WebGraphicsContext3D.h" |
| #include "WebKit.h" |
| #include "platform/WebKitPlatformSupport.h" |
| #include "WebPluginContainer.h" |
| #include "WebPluginParams.h" |
| #include "WebTouchPoint.h" |
| #include <wtf/Assertions.h> |
| #include <wtf/text/CString.h> |
| |
| using namespace WebKit; |
| |
| // GLenum values copied from gl2.h. |
| #define GL_FALSE 0 |
| #define GL_TRUE 1 |
| #define GL_ONE 1 |
| #define GL_TRIANGLES 0x0004 |
| #define GL_ONE_MINUS_SRC_ALPHA 0x0303 |
| #define GL_DEPTH_TEST 0x0B71 |
| #define GL_BLEND 0x0BE2 |
| #define GL_SCISSOR_TEST 0x0B90 |
| #define GL_TEXTURE_2D 0x0DE1 |
| #define GL_FLOAT 0x1406 |
| #define GL_RGBA 0x1908 |
| #define GL_UNSIGNED_BYTE 0x1401 |
| #define GL_TEXTURE_MAG_FILTER 0x2800 |
| #define GL_TEXTURE_MIN_FILTER 0x2801 |
| #define GL_TEXTURE_WRAP_S 0x2802 |
| #define GL_TEXTURE_WRAP_T 0x2803 |
| #define GL_NEAREST 0x2600 |
| #define GL_COLOR_BUFFER_BIT 0x4000 |
| #define GL_CLAMP_TO_EDGE 0x812F |
| #define GL_ARRAY_BUFFER 0x8892 |
| #define GL_STATIC_DRAW 0x88E4 |
| #define GL_FRAGMENT_SHADER 0x8B30 |
| #define GL_VERTEX_SHADER 0x8B31 |
| #define GL_COMPILE_STATUS 0x8B81 |
| #define GL_LINK_STATUS 0x8B82 |
| #define GL_COLOR_ATTACHMENT0 0x8CE0 |
| #define GL_FRAMEBUFFER_COMPLETE 0x8CD5 |
| #define GL_FRAMEBUFFER 0x8D40 |
| |
| static void premultiplyAlpha(const unsigned colorIn[3], float alpha, float colorOut[4]) |
| { |
| for (int i = 0; i < 3; ++i) |
| colorOut[i] = (colorIn[i] / 255.0f) * alpha; |
| |
| colorOut[3] = alpha; |
| } |
| |
| static const char* pointState(WebKit::WebTouchPoint::State state) |
| { |
| switch (state) { |
| case WebKit::WebTouchPoint::StateReleased: |
| return "Released"; |
| case WebKit::WebTouchPoint::StatePressed: |
| return "Pressed"; |
| case WebKit::WebTouchPoint::StateMoved: |
| return "Moved"; |
| case WebKit::WebTouchPoint::StateCancelled: |
| return "Cancelled"; |
| default: |
| return "Unknown"; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| |
| static void printTouchList(const WebKit::WebTouchPoint* points, int length) |
| { |
| for (int i = 0; i < length; ++i) |
| printf("* %d, %d: %s\n", points[i].position.x, points[i].position.y, pointState(points[i].state)); |
| } |
| |
| static void printEventDetails(const WebKit::WebInputEvent& event) |
| { |
| if (WebKit::WebInputEvent::isTouchEventType(event.type)) { |
| const WebKit::WebTouchEvent& touch = static_cast<const WebKit::WebTouchEvent&>(event); |
| printTouchList(touch.touches, touch.touchesLength); |
| printTouchList(touch.changedTouches, touch.changedTouchesLength); |
| printTouchList(touch.targetTouches, touch.targetTouchesLength); |
| } else if (WebKit::WebInputEvent::isMouseEventType(event.type) || event.type == WebKit::WebInputEvent::MouseWheel) { |
| const WebKit::WebMouseEvent& mouse = static_cast<const WebKit::WebMouseEvent&>(event); |
| printf("* %d, %d\n", mouse.x, mouse.y); |
| } else if (WebKit::WebInputEvent::isGestureEventType(event.type)) { |
| const WebKit::WebGestureEvent& gesture = static_cast<const WebKit::WebGestureEvent&>(event); |
| printf("* %d, %d\n", gesture.x, gesture.y); |
| } |
| } |
| |
| TestWebPlugin::TestWebPlugin(WebKit::WebFrame* frame, |
| const WebKit::WebPluginParams& params) |
| : m_frame(frame) |
| , m_container(0) |
| , m_context(0) |
| , m_acceptsTouchEvent(false) |
| , m_printEventDetails(false) |
| , m_canProcessDrag(false) |
| { |
| static const WebString kAttributePrimitive = WebString::fromUTF8("primitive"); |
| static const WebString kAttributeBackgroundColor = WebString::fromUTF8("background-color"); |
| static const WebString kAttributePrimitiveColor = WebString::fromUTF8("primitive-color"); |
| static const WebString kAttributeOpacity = WebString::fromUTF8("opacity"); |
| static const WebString kAttributeAcceptsTouch = WebString::fromUTF8("accepts-touch"); |
| static const WebString kAttributePrintEventDetails = WebString::fromUTF8("print-event-details"); |
| static const WebString kAttributeCanProcessDrag = WebString::fromUTF8("can-process-drag"); |
| |
| ASSERT(params.attributeNames.size() == params.attributeValues.size()); |
| size_t size = params.attributeNames.size(); |
| for (size_t i = 0; i < size; ++i) { |
| const WebString& attributeName = params.attributeNames[i]; |
| const WebString& attributeValue = params.attributeValues[i]; |
| |
| if (attributeName == kAttributePrimitive) |
| m_scene.primitive = parsePrimitive(attributeValue); |
| else if (attributeName == kAttributeBackgroundColor) |
| parseColor(attributeValue, m_scene.backgroundColor); |
| else if (attributeName == kAttributePrimitiveColor) |
| parseColor(attributeValue, m_scene.primitiveColor); |
| else if (attributeName == kAttributeOpacity) |
| m_scene.opacity = parseOpacity(attributeValue); |
| else if (attributeName == kAttributeAcceptsTouch) |
| m_acceptsTouchEvent = parseBoolean(attributeValue); |
| else if (attributeName == kAttributePrintEventDetails) |
| m_printEventDetails = parseBoolean(attributeValue); |
| else if (attributeName == kAttributeCanProcessDrag) |
| m_canProcessDrag = parseBoolean(attributeValue); |
| } |
| } |
| |
| TestWebPlugin::~TestWebPlugin() |
| { |
| } |
| |
| const WebString& TestWebPlugin::mimeType() |
| { |
| static const WebString kMimeType = WebString::fromUTF8("application/x-webkit-test-webplugin"); |
| return kMimeType; |
| } |
| |
| bool TestWebPlugin::initialize(WebPluginContainer* container) |
| { |
| WebGraphicsContext3D::Attributes attrs; |
| m_context = webKitPlatformSupport()->createOffscreenGraphicsContext3D(attrs); |
| if (!m_context) |
| return false; |
| |
| if (!m_context->makeContextCurrent()) |
| return false; |
| |
| if (!initScene()) |
| return false; |
| |
| m_container = container; |
| m_container->setBackingTextureId(m_colorTexture); |
| m_container->setIsAcceptingTouchEvents(m_acceptsTouchEvent); |
| return true; |
| } |
| |
| void TestWebPlugin::destroy() |
| { |
| destroyScene(); |
| |
| delete m_context; |
| m_context = 0; |
| |
| m_container = 0; |
| m_frame = 0; |
| } |
| |
| void TestWebPlugin::updateGeometry(const WebRect& frameRect, |
| const WebRect& clipRect, |
| const WebVector<WebRect>& cutOutsRects, |
| bool isVisible) |
| { |
| if (clipRect == m_rect) |
| return; |
| m_rect = clipRect; |
| if (m_rect.isEmpty()) |
| return; |
| |
| m_context->reshape(m_rect.width, m_rect.height); |
| m_context->viewport(0, 0, m_rect.width, m_rect.height); |
| |
| m_context->bindTexture(GL_TEXTURE_2D, m_colorTexture); |
| m_context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| m_context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| m_context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| m_context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| m_context->texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_rect.width, m_rect.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); |
| m_context->bindFramebuffer(GL_FRAMEBUFFER, m_framebuffer); |
| m_context->framebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_colorTexture, 0); |
| |
| drawScene(); |
| |
| m_context->flush(); |
| m_container->commitBackingTexture(); |
| } |
| |
| TestWebPlugin::Primitive TestWebPlugin::parsePrimitive(const WebString& string) |
| { |
| static const WebString kPrimitiveNone = WebString::fromUTF8("none"); |
| static const WebString kPrimitiveTriangle = WebString::fromUTF8("triangle"); |
| |
| Primitive primitive = PrimitiveNone; |
| if (string == kPrimitiveNone) |
| primitive = PrimitiveNone; |
| else if (string == kPrimitiveTriangle) |
| primitive = PrimitiveTriangle; |
| else |
| ASSERT_NOT_REACHED(); |
| return primitive; |
| } |
| |
| // FIXME: This method should already exist. Use it. |
| // For now just parse primary colors. |
| void TestWebPlugin::parseColor(const WebString& string, unsigned color[3]) |
| { |
| color[0] = color[1] = color[2] = 0; |
| if (string == "black") |
| return; |
| |
| if (string == "red") |
| color[0] = 255; |
| else if (string == "green") |
| color[1] = 255; |
| else if (string == "blue") |
| color[2] = 255; |
| else |
| ASSERT_NOT_REACHED(); |
| } |
| |
| float TestWebPlugin::parseOpacity(const WebString& string) |
| { |
| return static_cast<float>(atof(string.utf8().data())); |
| } |
| |
| bool TestWebPlugin::parseBoolean(const WebString& string) |
| { |
| static const WebString kPrimitiveTrue = WebString::fromUTF8("true"); |
| return string == kPrimitiveTrue; |
| } |
| |
| bool TestWebPlugin::initScene() |
| { |
| float color[4]; |
| premultiplyAlpha(m_scene.backgroundColor, m_scene.opacity, color); |
| |
| m_colorTexture = m_context->createTexture(); |
| m_framebuffer = m_context->createFramebuffer(); |
| |
| m_context->viewport(0, 0, m_rect.width, m_rect.height); |
| m_context->disable(GL_DEPTH_TEST); |
| m_context->disable(GL_SCISSOR_TEST); |
| |
| m_context->clearColor(color[0], color[1], color[2], color[3]); |
| |
| m_context->enable(GL_BLEND); |
| m_context->blendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
| |
| return m_scene.primitive != PrimitiveNone ? initProgram() && initPrimitive() : true; |
| } |
| |
| void TestWebPlugin::drawScene() |
| { |
| m_context->viewport(0, 0, m_rect.width, m_rect.height); |
| m_context->clear(GL_COLOR_BUFFER_BIT); |
| |
| if (m_scene.primitive != PrimitiveNone) |
| drawPrimitive(); |
| } |
| |
| void TestWebPlugin::destroyScene() |
| { |
| if (m_scene.program) { |
| m_context->deleteProgram(m_scene.program); |
| m_scene.program = 0; |
| } |
| if (m_scene.vbo) { |
| m_context->deleteBuffer(m_scene.vbo); |
| m_scene.vbo = 0; |
| } |
| |
| if (m_framebuffer) { |
| m_context->deleteFramebuffer(m_framebuffer); |
| m_framebuffer = 0; |
| } |
| |
| if (m_colorTexture) { |
| m_context->deleteTexture(m_colorTexture); |
| m_colorTexture = 0; |
| } |
| } |
| |
| bool TestWebPlugin::initProgram() |
| { |
| const CString vertexSource( |
| "attribute vec4 position; \n" |
| "void main() { \n" |
| " gl_Position = position; \n" |
| "} \n" |
| ); |
| |
| const CString fragmentSource( |
| "precision mediump float; \n" |
| "uniform vec4 color; \n" |
| "void main() { \n" |
| " gl_FragColor = color; \n" |
| "} \n" |
| ); |
| |
| m_scene.program = loadProgram(vertexSource, fragmentSource); |
| if (!m_scene.program) |
| return false; |
| |
| m_scene.colorLocation = m_context->getUniformLocation(m_scene.program, "color"); |
| m_scene.positionLocation = m_context->getAttribLocation(m_scene.program, "position"); |
| return true; |
| } |
| |
| bool TestWebPlugin::initPrimitive() |
| { |
| ASSERT(m_scene.primitive == PrimitiveTriangle); |
| |
| m_scene.vbo = m_context->createBuffer(); |
| if (!m_scene.vbo) |
| return false; |
| |
| const float vertices[] = { 0.0f, 0.8f, 0.0f, |
| -0.8f, -0.8f, 0.0f, |
| 0.8f, -0.8f, 0.0f }; |
| m_context->bindBuffer(GL_ARRAY_BUFFER, m_scene.vbo); |
| m_context->bufferData(GL_ARRAY_BUFFER, sizeof(vertices), 0, GL_STATIC_DRAW); |
| m_context->bufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices); |
| return true; |
| } |
| |
| void TestWebPlugin::drawPrimitive() |
| { |
| ASSERT(m_scene.primitive == PrimitiveTriangle); |
| ASSERT(m_scene.vbo); |
| ASSERT(m_scene.program); |
| |
| m_context->useProgram(m_scene.program); |
| |
| // Bind primitive color. |
| float color[4]; |
| premultiplyAlpha(m_scene.primitiveColor, m_scene.opacity, color); |
| m_context->uniform4f(m_scene.colorLocation, color[0], color[1], color[2], color[3]); |
| |
| // Bind primitive vertices. |
| m_context->bindBuffer(GL_ARRAY_BUFFER, m_scene.vbo); |
| m_context->enableVertexAttribArray(m_scene.positionLocation); |
| m_context->vertexAttribPointer(m_scene.positionLocation, 3, GL_FLOAT, GL_FALSE, 0, 0); |
| m_context->drawArrays(GL_TRIANGLES, 0, 3); |
| } |
| |
| unsigned TestWebPlugin::loadShader(unsigned type, const CString& source) |
| { |
| unsigned shader = m_context->createShader(type); |
| if (shader) { |
| m_context->shaderSource(shader, source.data()); |
| m_context->compileShader(shader); |
| |
| int compiled = 0; |
| m_context->getShaderiv(shader, GL_COMPILE_STATUS, &compiled); |
| if (!compiled) { |
| m_context->deleteShader(shader); |
| shader = 0; |
| } |
| } |
| return shader; |
| } |
| |
| unsigned TestWebPlugin::loadProgram(const CString& vertexSource, |
| const CString& fragmentSource) |
| { |
| unsigned vertexShader = loadShader(GL_VERTEX_SHADER, vertexSource); |
| unsigned fragmentShader = loadShader(GL_FRAGMENT_SHADER, fragmentSource); |
| unsigned program = m_context->createProgram(); |
| if (vertexShader && fragmentShader && program) { |
| m_context->attachShader(program, vertexShader); |
| m_context->attachShader(program, fragmentShader); |
| m_context->linkProgram(program); |
| |
| int linked = 0; |
| m_context->getProgramiv(program, GL_LINK_STATUS, &linked); |
| if (!linked) { |
| m_context->deleteProgram(program); |
| program = 0; |
| } |
| } |
| if (vertexShader) |
| m_context->deleteShader(vertexShader); |
| if (fragmentShader) |
| m_context->deleteShader(fragmentShader); |
| |
| return program; |
| } |
| |
| bool TestWebPlugin::handleInputEvent(const WebKit::WebInputEvent& event, WebKit::WebCursorInfo& info) |
| { |
| const char* eventName = 0; |
| switch (event.type) { |
| case WebKit::WebInputEvent::Undefined: eventName = "unknown"; break; |
| |
| case WebKit::WebInputEvent::MouseDown: eventName = "MouseDown"; break; |
| case WebKit::WebInputEvent::MouseUp: eventName = "MouseUp"; break; |
| case WebKit::WebInputEvent::MouseMove: eventName = "MouseMove"; break; |
| case WebKit::WebInputEvent::MouseEnter: eventName = "MouseEnter"; break; |
| case WebKit::WebInputEvent::MouseLeave: eventName = "MouseLeave"; break; |
| case WebKit::WebInputEvent::ContextMenu: eventName = "ContextMenu"; break; |
| |
| case WebKit::WebInputEvent::MouseWheel: eventName = "MouseWheel"; break; |
| |
| case WebKit::WebInputEvent::RawKeyDown: eventName = "RawKeyDown"; break; |
| case WebKit::WebInputEvent::KeyDown: eventName = "KeyDown"; break; |
| case WebKit::WebInputEvent::KeyUp: eventName = "KeyUp"; break; |
| case WebKit::WebInputEvent::Char: eventName = "Char"; break; |
| |
| case WebKit::WebInputEvent::GestureScrollBegin: eventName = "GestureScrollBegin"; break; |
| case WebKit::WebInputEvent::GestureScrollEnd: eventName = "GestureScrollEnd"; break; |
| case WebKit::WebInputEvent::GestureScrollUpdate: eventName = "GestureScrollUpdate"; break; |
| case WebKit::WebInputEvent::GestureFlingStart: eventName = "GestureFlingStart"; break; |
| case WebKit::WebInputEvent::GestureFlingCancel: eventName = "GestureFlingCancel"; break; |
| case WebKit::WebInputEvent::GestureTap: eventName = "GestureTap"; break; |
| case WebKit::WebInputEvent::GestureTapDown: eventName = "GestureTapDown"; break; |
| case WebKit::WebInputEvent::GestureTapCancel: eventName = "GestureTapCancel"; break; |
| case WebKit::WebInputEvent::GestureDoubleTap: eventName = "GestureDoubleTap"; break; |
| case WebKit::WebInputEvent::GestureTwoFingerTap: eventName = "GestureTwoFingerTap"; break; |
| case WebKit::WebInputEvent::GestureLongPress: eventName = "GestureLongPress"; break; |
| case WebKit::WebInputEvent::GestureLongTap: eventName = "GestureLongTap"; break; |
| case WebKit::WebInputEvent::GesturePinchBegin: eventName = "GesturePinchBegin"; break; |
| case WebKit::WebInputEvent::GesturePinchEnd: eventName = "GesturePinchEnd"; break; |
| case WebKit::WebInputEvent::GesturePinchUpdate: eventName = "GesturePinchUpdate"; break; |
| |
| case WebKit::WebInputEvent::TouchStart: eventName = "TouchStart"; break; |
| case WebKit::WebInputEvent::TouchMove: eventName = "TouchMove"; break; |
| case WebKit::WebInputEvent::TouchEnd: eventName = "TouchEnd"; break; |
| case WebKit::WebInputEvent::TouchCancel: eventName = "TouchCancel"; break; |
| } |
| |
| printf("Plugin received event: %s\n", eventName ? eventName : "unknown"); |
| if (m_printEventDetails) |
| printEventDetails(event); |
| return false; |
| } |
| |
| bool TestWebPlugin::handleDragStatusUpdate(WebKit::WebDragStatus dragStatus, const WebKit::WebDragData&, WebKit::WebDragOperationsMask, const WebKit::WebPoint& position, const WebKit::WebPoint& screenPosition) |
| { |
| const char* dragStatusName = 0; |
| switch (dragStatus) { |
| case WebKit::WebDragStatusEnter: |
| dragStatusName = "DragEnter"; |
| break; |
| case WebKit::WebDragStatusOver: |
| dragStatusName = "DragOver"; |
| break; |
| case WebKit::WebDragStatusLeave: |
| dragStatusName = "DragLeave"; |
| break; |
| case WebKit::WebDragStatusDrop: |
| dragStatusName = "DragDrop"; |
| break; |
| case WebKit::WebDragStatusUnknown: |
| ASSERT_NOT_REACHED(); |
| } |
| printf("Plugin received event: %s\n", dragStatusName); |
| return false; |
| } |
| |
