webengine/osswebengine/WebKitTools/DumpRenderTree/win/EventSender.cpp
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKitTools/DumpRenderTree/win/EventSender.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,369 @@
+/*
+ * Copyright (C) 2007 Apple 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 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 "DumpRenderTree.h"
+#include "EventSender.h"
+
+#include "DraggingInfo.h"
+
+#include <WebCore/COMPtr.h>
+#include <wtf/Platform.h>
+#include <JavaScriptCore/JavaScriptCore.h>
+#include <JavaScriptCore/Assertions.h>
+#include <WebKit/IWebFrame.h>
+#include <WebKit/IWebFramePrivate.h>
+#include <windows.h>
+
+static bool down;
+static bool dragMode = true;
+static bool replayingSavedEvents;
+static int timeOffset;
+static POINT lastMousePosition;
+
+static MSG msgQueue[1024];
+static unsigned endOfQueue;
+static unsigned startOfQueue;
+
+static bool didDragEnter;
+DraggingInfo* draggingInfo = 0;
+
+static JSValueRef getDragModeCallback(JSContextRef context, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
+{
+    return JSValueMakeBoolean(context, dragMode);
+}
+
+static bool setDragModeCallback(JSContextRef context, JSObjectRef object, JSStringRef propertyName, JSValueRef value, JSValueRef* exception)
+{
+    dragMode = JSValueToBoolean(context, value);
+    return true;
+}
+
+static JSValueRef leapForwardCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    if (argumentCount > 0) {
+        timeOffset += JSValueToNumber(context, arguments[0], exception);
+        ASSERT(!exception || !*exception);
+    }
+
+    return JSValueMakeUndefined(context);
+}
+
+static DWORD currentEventTime()
+{
+    return ::GetTickCount() + timeOffset;
+}
+
+static MSG makeMsg(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+    MSG result = {0};
+    result.hwnd = hwnd;
+    result.message = message;
+    result.wParam = wParam;
+    result.lParam = lParam;
+    result.time = currentEventTime();
+    result.pt = lastMousePosition;
+
+    return result;
+}
+
+static LRESULT dispatchMessage(const MSG* msg)
+{
+    ASSERT(msg);
+
+    ::TranslateMessage(msg);
+    return ::DispatchMessage(msg);
+}
+
+static JSValueRef mouseDownCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    COMPtr<IWebFramePrivate> framePrivate;
+    if (SUCCEEDED(frame->QueryInterface(&framePrivate)))
+        framePrivate->layout();
+
+    down = true;
+    MSG msg = makeMsg(webViewWindow, WM_LBUTTONDOWN, 0, MAKELPARAM(lastMousePosition.x, lastMousePosition.y));
+    dispatchMessage(&msg);
+
+    return JSValueMakeUndefined(context);
+}
+
+static inline POINTL pointl(const POINT& point)
+{
+    POINTL result;
+    result.x = point.x;
+    result.y = point.y;
+    return result;
+}
+
+static void doMouseUp(MSG msg)
+{
+    COMPtr<IWebFramePrivate> framePrivate;
+    if (SUCCEEDED(frame->QueryInterface(&framePrivate)))
+        framePrivate->layout();
+
+    dispatchMessage(&msg);
+    down = false;
+
+    if (draggingInfo) {
+        COMPtr<IWebView> webView;
+        COMPtr<IDropTarget> webViewDropTarget;
+        if (SUCCEEDED(frame->webView(&webView)) && SUCCEEDED(webView->QueryInterface(IID_IDropTarget, (void**)&webViewDropTarget))) {
+            POINT screenPoint = msg.pt;
+            ::ClientToScreen(webViewWindow, &screenPoint);
+            HRESULT hr = draggingInfo->dropSource()->QueryContinueDrag(0, 0);
+            DWORD effect = 0;
+            webViewDropTarget->DragOver(0, pointl(screenPoint), &effect);
+            if (hr == DRAGDROP_S_DROP && effect != DROPEFFECT_NONE) {
+                DWORD effect = 0;
+                webViewDropTarget->Drop(draggingInfo->dataObject(), 0, pointl(screenPoint), &effect);
+            } else
+                webViewDropTarget->DragLeave();
+
+            delete draggingInfo;
+            draggingInfo = 0;
+        }
+    }
+}
+
+static JSValueRef mouseUpCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    MSG msg = makeMsg(webViewWindow, WM_LBUTTONUP, 0, MAKELPARAM(lastMousePosition.x, lastMousePosition.y));
+
+    if (dragMode && !replayingSavedEvents) {
+        msgQueue[endOfQueue++] = msg;
+        replaySavedEvents();
+    } else
+        doMouseUp(msg);
+
+    return JSValueMakeUndefined(context);
+}
+
+static void doMouseMove(MSG msg)
+{
+    COMPtr<IWebFramePrivate> framePrivate;
+    if (SUCCEEDED(frame->QueryInterface(&framePrivate)))
+        framePrivate->layout();
+
+    dispatchMessage(&msg);
+
+    if (down && draggingInfo) {
+        POINT screenPoint = msg.pt;
+        ::ClientToScreen(webViewWindow, &screenPoint);
+
+        IWebView* webView;
+        COMPtr<IDropTarget> webViewDropTarget;
+        if (SUCCEEDED(frame->webView(&webView)) && SUCCEEDED(webView->QueryInterface(IID_IDropTarget, (void**)&webViewDropTarget))) {
+            DWORD effect = 0;
+            if (didDragEnter)
+                webViewDropTarget->DragOver(MK_LBUTTON, pointl(screenPoint), &effect);
+            else {
+                webViewDropTarget->DragEnter(draggingInfo->dataObject(), MK_LBUTTON, pointl(screenPoint), &effect);
+                didDragEnter = true;
+            }
+            draggingInfo->dropSource()->GiveFeedback(effect);
+        }
+    }
+}
+
+static JSValueRef mouseMoveToCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    if (argumentCount < 2)
+        return JSValueMakeUndefined(context);
+
+    lastMousePosition.x = (int)JSValueToNumber(context, arguments[0], exception);
+    ASSERT(!exception || !*exception);
+    lastMousePosition.y = (int)JSValueToNumber(context, arguments[1], exception);
+    ASSERT(!exception || !*exception);
+
+    MSG msg = makeMsg(webViewWindow, WM_MOUSEMOVE, down ? MK_LBUTTON : 0, MAKELPARAM(lastMousePosition.x, lastMousePosition.y));
+
+    if (dragMode && down && !replayingSavedEvents) {
+        msgQueue[endOfQueue++] = msg;
+        return JSValueMakeUndefined(context);
+    }
+
+    doMouseMove(msg);
+
+    return JSValueMakeUndefined(context);
+}
+
+void replaySavedEvents()
+{
+    replayingSavedEvents = true;
+
+    MSG emptyMsg = {0};
+    while (startOfQueue < endOfQueue) {
+        MSG msg = msgQueue[startOfQueue++];
+        switch (msg.message) {
+            case WM_LBUTTONUP:
+                doMouseUp(msg);
+                break;
+            case WM_MOUSEMOVE:
+                doMouseMove(msg);
+                break;
+            default:
+                // Not reached
+                break;
+        }
+    }
+    startOfQueue = 0;
+    endOfQueue = 0;
+
+    replayingSavedEvents = false;
+}
+
+static JSValueRef keyDownCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    if (argumentCount < 1)
+        return JSValueMakeUndefined(context);
+
+    static JSStringRef ctrlKey = JSStringCreateWithUTF8CString("ctrlKey");
+    static JSStringRef shiftKey = JSStringCreateWithUTF8CString("shiftKey");
+    static JSStringRef altKey = JSStringCreateWithUTF8CString("altKey");
+    static JSStringRef metaKey = JSStringCreateWithUTF8CString("metaKey");
+    static JSStringRef lengthProperty = JSStringCreateWithUTF8CString("length");
+
+    COMPtr<IWebFramePrivate> framePrivate;
+    if (SUCCEEDED(frame->QueryInterface(&framePrivate)))
+        framePrivate->layout();
+    
+    JSStringRef character = JSValueToStringCopy(context, arguments[0], exception);
+    ASSERT(!exception || !*exception);
+    int charCode = JSStringGetCharactersPtr(character)[0];
+    int virtualKeyCode = toupper(LOBYTE(VkKeyScan(charCode)));
+    JSStringRelease(character);
+
+    // Hack to map option-delete to ctrl-delete
+    // Remove this when we fix <rdar://problem/5102974> layout tests need a way to decide how to choose the appropriate modifier keys
+    bool convertOptionToCtrl = false;
+    if (virtualKeyCode == VK_DELETE || virtualKeyCode == VK_BACK)
+        convertOptionToCtrl = true;
+    
+    BYTE keyState[256];
+    if (argumentCount > 1) {
+        ::GetKeyboardState(keyState);
+
+        BYTE newKeyState[256];
+        memcpy(newKeyState, keyState, sizeof(keyState));
+
+        JSObjectRef modifiersArray = JSValueToObject(context, arguments[1], exception);
+        if (modifiersArray) {
+            int modifiersCount = JSValueToNumber(context, JSObjectGetProperty(context, modifiersArray, lengthProperty, 0), 0);
+            for (int i = 0; i < modifiersCount; ++i) {
+                JSValueRef value = JSObjectGetPropertyAtIndex(context, modifiersArray, i, 0);
+                JSStringRef string = JSValueToStringCopy(context, value, 0);
+                if (JSStringIsEqual(string, ctrlKey))
+                    newKeyState[VK_CONTROL] = 0x80;
+                else if (JSStringIsEqual(string, shiftKey))
+                    newKeyState[VK_SHIFT] = 0x80;
+                else if (JSStringIsEqual(string, altKey)) {
+                    if (convertOptionToCtrl)
+                        newKeyState[VK_CONTROL] = 0x80;
+                    else
+                        newKeyState[VK_MENU] = 0x80;
+                } else if (JSStringIsEqual(string, metaKey))
+                    newKeyState[VK_MENU] = 0x80;
+
+                JSStringRelease(string);
+            }
+        }
+
+        ::SetKeyboardState(newKeyState);
+    }
+
+    MSG msg = makeMsg(webViewWindow, WM_KEYDOWN, virtualKeyCode, 0);
+    dispatchMessage(&msg);
+    
+    if (argumentCount > 1)
+        ::SetKeyboardState(keyState);
+
+    return JSValueMakeUndefined(context);
+}
+
+static JSValueRef textZoomInCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    COMPtr<IWebView> webView;
+    if (FAILED(frame->webView(&webView)))
+        return JSValueMakeUndefined(context);
+
+    COMPtr<IWebIBActions> webIBActions;
+    if (FAILED(webView->QueryInterface(IID_IWebIBActions, (void**)&webIBActions)))
+        return JSValueMakeUndefined(context);
+
+    webIBActions->makeTextLarger(0);
+    return JSValueMakeUndefined(context);
+}
+
+static JSValueRef textZoomOutCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    COMPtr<IWebView> webView;
+    if (FAILED(frame->webView(&webView)))
+        return JSValueMakeUndefined(context);
+
+    COMPtr<IWebIBActions> webIBActions;
+    if (FAILED(webView->QueryInterface(IID_IWebIBActions, (void**)&webIBActions)))
+        return JSValueMakeUndefined(context);
+
+    webIBActions->makeTextSmaller(0);
+    return JSValueMakeUndefined(context);
+}
+
+static JSStaticFunction staticFunctions[] = {
+    { "mouseDown", mouseDownCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "mouseUp", mouseUpCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "mouseMoveTo", mouseMoveToCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "leapForward", leapForwardCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "keyDown", keyDownCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "textZoomIn", textZoomInCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { "textZoomOut", textZoomOutCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+    { 0, 0, 0 }
+};
+
+static JSStaticValue staticValues[] = {
+    { "dragMode", getDragModeCallback, setDragModeCallback, kJSPropertyAttributeNone },
+    { 0, 0, 0, 0 }
+};
+
+static JSClassRef getClass(JSContextRef context) {
+    static JSClassRef eventSenderClass = 0;
+
+    if (!eventSenderClass) {
+        JSClassDefinition classDefinition = {0};
+        classDefinition.staticFunctions = staticFunctions;
+        classDefinition.staticValues = staticValues;
+
+        eventSenderClass = JSClassCreate(&classDefinition);
+    }
+
+    return eventSenderClass;
+}
+
+JSObjectRef makeEventSender(JSContextRef context)
+{
+    return JSObjectMake(context, getClass(context), 0);
+}