michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsWindowBase.h"
michael@0: 
michael@0: #include "mozilla/MiscEvents.h"
michael@0: #include "nsGkAtoms.h"
michael@0: #include "WinUtils.h"
michael@0: #include "npapi.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::widget;
michael@0: 
michael@0: static const wchar_t kUser32LibName[] =  L"user32.dll";
michael@0: bool nsWindowBase::sTouchInjectInitialized = false;
michael@0: InjectTouchInputPtr nsWindowBase::sInjectTouchFuncPtr;
michael@0: 
michael@0: bool
michael@0: nsWindowBase::DispatchPluginEvent(const MSG& aMsg)
michael@0: {
michael@0:   if (!PluginHasFocus()) {
michael@0:     return false;
michael@0:   }
michael@0:   WidgetPluginEvent pluginEvent(true, NS_PLUGIN_INPUT_EVENT, this);
michael@0:   nsIntPoint point(0, 0);
michael@0:   InitEvent(pluginEvent, &point);
michael@0:   NPEvent npEvent;
michael@0:   npEvent.event = aMsg.message;
michael@0:   npEvent.wParam = aMsg.wParam;
michael@0:   npEvent.lParam = aMsg.lParam;
michael@0:   pluginEvent.pluginEvent = &npEvent;
michael@0:   pluginEvent.retargetToFocusedDocument = true;
michael@0:   return DispatchWindowEvent(&pluginEvent);
michael@0: }
michael@0: 
michael@0: // static
michael@0: bool
michael@0: nsWindowBase::InitTouchInjection()
michael@0: {
michael@0:   if (!sTouchInjectInitialized) {
michael@0:     // Initialize touch injection on the first call
michael@0:     HMODULE hMod = LoadLibraryW(kUser32LibName);
michael@0:     if (!hMod) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     InitializeTouchInjectionPtr func =
michael@0:       (InitializeTouchInjectionPtr)GetProcAddress(hMod, "InitializeTouchInjection");
michael@0:     if (!func) {
michael@0:       WinUtils::Log("InitializeTouchInjection not available.");
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     if (!func(TOUCH_INJECT_MAX_POINTS, TOUCH_FEEDBACK_DEFAULT)) {
michael@0:       WinUtils::Log("InitializeTouchInjection failure. GetLastError=%d", GetLastError());
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     sInjectTouchFuncPtr =
michael@0:       (InjectTouchInputPtr)GetProcAddress(hMod, "InjectTouchInput");
michael@0:     if (!sInjectTouchFuncPtr) {
michael@0:       WinUtils::Log("InjectTouchInput not available.");
michael@0:       return false;
michael@0:     }
michael@0:     sTouchInjectInitialized = true;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsWindowBase::InjectTouchPoint(uint32_t aId, nsIntPoint& aPointerScreenPoint,
michael@0:                                POINTER_FLAGS aFlags, uint32_t aPressure,
michael@0:                                uint32_t aOrientation)
michael@0: {
michael@0:   if (aId > TOUCH_INJECT_MAX_POINTS) {
michael@0:     WinUtils::Log("Pointer ID exceeds maximum. See TOUCH_INJECT_MAX_POINTS.");
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   POINTER_TOUCH_INFO info;
michael@0:   memset(&info, 0, sizeof(POINTER_TOUCH_INFO));
michael@0: 
michael@0:   info.touchFlags = TOUCH_FLAG_NONE;
michael@0:   info.touchMask = TOUCH_MASK_CONTACTAREA|TOUCH_MASK_ORIENTATION|TOUCH_MASK_PRESSURE;
michael@0:   info.pressure = aPressure;
michael@0:   info.orientation = aOrientation;
michael@0:   
michael@0:   info.pointerInfo.pointerFlags = aFlags;
michael@0:   info.pointerInfo.pointerType =  PT_TOUCH;
michael@0:   info.pointerInfo.pointerId = aId;
michael@0:   info.pointerInfo.ptPixelLocation.x = WinUtils::LogToPhys(aPointerScreenPoint.x);
michael@0:   info.pointerInfo.ptPixelLocation.y = WinUtils::LogToPhys(aPointerScreenPoint.y);
michael@0: 
michael@0:   info.rcContact.top = info.pointerInfo.ptPixelLocation.y - 2;
michael@0:   info.rcContact.bottom = info.pointerInfo.ptPixelLocation.y + 2;
michael@0:   info.rcContact.left = info.pointerInfo.ptPixelLocation.x - 2;
michael@0:   info.rcContact.right = info.pointerInfo.ptPixelLocation.x + 2;
michael@0:   
michael@0:   if (!sInjectTouchFuncPtr(1, &info)) {
michael@0:     WinUtils::Log("InjectTouchInput failure. GetLastError=%d", GetLastError());
michael@0:     return false;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsWindowBase::SynthesizeNativeTouchPoint(uint32_t aPointerId,
michael@0:                                          nsIWidget::TouchPointerState aPointerState,
michael@0:                                          nsIntPoint aPointerScreenPoint,
michael@0:                                          double aPointerPressure,
michael@0:                                          uint32_t aPointerOrientation)
michael@0: {
michael@0:   if (!InitTouchInjection()) {
michael@0:     return NS_ERROR_NOT_IMPLEMENTED;
michael@0:   }
michael@0: 
michael@0:   bool hover = aPointerState & TOUCH_HOVER;
michael@0:   bool contact = aPointerState & TOUCH_CONTACT;
michael@0:   bool remove = aPointerState & TOUCH_REMOVE;
michael@0:   bool cancel = aPointerState & TOUCH_CANCEL;
michael@0: 
michael@0:   // win api expects a value from 0 to 1024. aPointerPressure is a value
michael@0:   // from 0.0 to 1.0.
michael@0:   uint32_t pressure = (uint32_t)ceil(aPointerPressure * 1024);
michael@0: 
michael@0:   // If we already know about this pointer id get it's record
michael@0:   PointerInfo* info = mActivePointers.Get(aPointerId);
michael@0: 
michael@0:   // We know about this pointer, send an update
michael@0:   if (info) {
michael@0:     POINTER_FLAGS flags = POINTER_FLAG_UPDATE;
michael@0:     if (hover) {
michael@0:       flags |= POINTER_FLAG_INRANGE;
michael@0:     } else if (contact) {
michael@0:       flags |= POINTER_FLAG_INCONTACT|POINTER_FLAG_INRANGE;
michael@0:     } else if (remove) {
michael@0:       flags = POINTER_FLAG_UP;
michael@0:       // Remove the pointer from our tracking list. This is nsAutPtr wrapped,
michael@0:       // so shouldn't leak.
michael@0:       mActivePointers.Remove(aPointerId);
michael@0:     }
michael@0: 
michael@0:     if (cancel) {
michael@0:       flags |= POINTER_FLAG_CANCELED;
michael@0:     }
michael@0: 
michael@0:     return !InjectTouchPoint(aPointerId, aPointerScreenPoint, flags,
michael@0:                              pressure, aPointerOrientation) ?
michael@0:       NS_ERROR_UNEXPECTED : NS_OK;
michael@0:   }
michael@0: 
michael@0:   // Missing init state, error out
michael@0:   if (remove || cancel) {
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0:   }
michael@0: 
michael@0:   // Create a new pointer
michael@0:   info = new PointerInfo(aPointerId, aPointerScreenPoint);
michael@0: 
michael@0:   POINTER_FLAGS flags = POINTER_FLAG_INRANGE;
michael@0:   if (contact) {
michael@0:     flags |= POINTER_FLAG_INCONTACT|POINTER_FLAG_DOWN;
michael@0:   }
michael@0: 
michael@0:   mActivePointers.Put(aPointerId, info);
michael@0:   return !InjectTouchPoint(aPointerId, aPointerScreenPoint, flags,
michael@0:                            pressure, aPointerOrientation) ?
michael@0:     NS_ERROR_UNEXPECTED : NS_OK;
michael@0: }
michael@0: 
michael@0: // static
michael@0: PLDHashOperator
michael@0: nsWindowBase::CancelTouchPoints(const unsigned int& aPointerId, nsAutoPtr<PointerInfo>& aInfo, void* aUserArg)
michael@0: {
michael@0:   nsWindowBase* self = static_cast<nsWindowBase*>(aUserArg);
michael@0:   self->InjectTouchPoint(aInfo.get()->mPointerId, aInfo.get()->mPosition, POINTER_FLAG_CANCELED);
michael@0:   return (PLDHashOperator)(PL_DHASH_NEXT|PL_DHASH_REMOVE);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsWindowBase::ClearNativeTouchSequence()
michael@0: {
michael@0:   if (!sTouchInjectInitialized) {
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   // cancel all input points
michael@0:   mActivePointers.Enumerate(CancelTouchPoints, (void*)this);
michael@0: 
michael@0:   nsBaseWidget::ClearNativeTouchSequence();
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsWindowBase::DispatchCommandEvent(uint32_t aEventCommand)
michael@0: {
michael@0:   nsCOMPtr<nsIAtom> command;
michael@0:   switch (aEventCommand) {
michael@0:     case APPCOMMAND_BROWSER_BACKWARD:
michael@0:       command = nsGkAtoms::Back;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_FORWARD:
michael@0:       command = nsGkAtoms::Forward;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_REFRESH:
michael@0:       command = nsGkAtoms::Reload;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_STOP:
michael@0:       command = nsGkAtoms::Stop;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_SEARCH:
michael@0:       command = nsGkAtoms::Search;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_FAVORITES:
michael@0:       command = nsGkAtoms::Bookmarks;
michael@0:       break;
michael@0:     case APPCOMMAND_BROWSER_HOME:
michael@0:       command = nsGkAtoms::Home;
michael@0:       break;
michael@0:     case APPCOMMAND_CLOSE:
michael@0:       command = nsGkAtoms::Close;
michael@0:       break;
michael@0:     case APPCOMMAND_FIND:
michael@0:       command = nsGkAtoms::Find;
michael@0:       break;
michael@0:     case APPCOMMAND_HELP:
michael@0:       command = nsGkAtoms::Help;
michael@0:       break;
michael@0:     case APPCOMMAND_NEW:
michael@0:       command = nsGkAtoms::New;
michael@0:       break;
michael@0:     case APPCOMMAND_OPEN:
michael@0:       command = nsGkAtoms::Open;
michael@0:       break;
michael@0:     case APPCOMMAND_PRINT:
michael@0:       command = nsGkAtoms::Print;
michael@0:       break;
michael@0:     case APPCOMMAND_SAVE:
michael@0:       command = nsGkAtoms::Save;
michael@0:       break;
michael@0:     case APPCOMMAND_FORWARD_MAIL:
michael@0:       command = nsGkAtoms::ForwardMail;
michael@0:       break;
michael@0:     case APPCOMMAND_REPLY_TO_MAIL:
michael@0:       command = nsGkAtoms::ReplyToMail;
michael@0:       break;
michael@0:     case APPCOMMAND_SEND_MAIL:
michael@0:       command = nsGkAtoms::SendMail;
michael@0:       break;
michael@0:     default:
michael@0:       return false;
michael@0:   }
michael@0:   WidgetCommandEvent event(true, nsGkAtoms::onAppCommand, command, this);
michael@0: 
michael@0:   InitEvent(event);
michael@0:   return DispatchWindowEvent(&event);
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsWindowBase::HandleAppCommandMsg(WPARAM aWParam,
michael@0:                                   LPARAM aLParam,
michael@0:                                   LRESULT *aRetValue)
michael@0: {
michael@0:   uint32_t appCommand = GET_APPCOMMAND_LPARAM(aLParam);
michael@0:   uint32_t contentCommandMessage = NS_EVENT_NULL;
michael@0:   // XXX After we implement KeyboardEvent.key, we should dispatch the
michael@0:   //     key event if (GET_DEVICE_LPARAM(lParam) == FAPPCOMMAND_KEY) is.
michael@0:   switch (appCommand)
michael@0:   {
michael@0:     case APPCOMMAND_BROWSER_BACKWARD:
michael@0:     case APPCOMMAND_BROWSER_FORWARD:
michael@0:     case APPCOMMAND_BROWSER_REFRESH:
michael@0:     case APPCOMMAND_BROWSER_STOP:
michael@0:     case APPCOMMAND_BROWSER_SEARCH:
michael@0:     case APPCOMMAND_BROWSER_FAVORITES:
michael@0:     case APPCOMMAND_BROWSER_HOME:
michael@0:     case APPCOMMAND_CLOSE:
michael@0:     case APPCOMMAND_FIND:
michael@0:     case APPCOMMAND_HELP:
michael@0:     case APPCOMMAND_NEW:
michael@0:     case APPCOMMAND_OPEN:
michael@0:     case APPCOMMAND_PRINT:
michael@0:     case APPCOMMAND_SAVE:
michael@0:     case APPCOMMAND_FORWARD_MAIL:
michael@0:     case APPCOMMAND_REPLY_TO_MAIL:
michael@0:     case APPCOMMAND_SEND_MAIL:
michael@0:       // We shouldn't consume the message always because if we don't handle
michael@0:       // the message, the sender (typically, utility of keyboard or mouse)
michael@0:       // may send other key messages which indicate well known shortcut key.
michael@0:       if (DispatchCommandEvent(appCommand)) {
michael@0:         // tell the driver that we handled the event
michael@0:         *aRetValue = 1;
michael@0:         return true;
michael@0:       }
michael@0:       break;
michael@0: 
michael@0:     // Use content command for following commands:
michael@0:     case APPCOMMAND_COPY:
michael@0:       contentCommandMessage = NS_CONTENT_COMMAND_COPY;
michael@0:       break;
michael@0:     case APPCOMMAND_CUT:
michael@0:       contentCommandMessage = NS_CONTENT_COMMAND_CUT;
michael@0:       break;
michael@0:     case APPCOMMAND_PASTE:
michael@0:       contentCommandMessage = NS_CONTENT_COMMAND_PASTE;
michael@0:       break;
michael@0:     case APPCOMMAND_REDO:
michael@0:       contentCommandMessage = NS_CONTENT_COMMAND_REDO;
michael@0:       break;
michael@0:     case APPCOMMAND_UNDO:
michael@0:       contentCommandMessage = NS_CONTENT_COMMAND_UNDO;
michael@0:       break;
michael@0:   }
michael@0: 
michael@0:   if (contentCommandMessage) {
michael@0:     WidgetContentCommandEvent contentCommand(true, contentCommandMessage,
michael@0:                                               this);
michael@0:     DispatchWindowEvent(&contentCommand);
michael@0:     // tell the driver that we handled the event
michael@0:     *aRetValue = 1;
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   // default = false - tell the driver that the event was not handled
michael@0:   return false;
michael@0: }