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