Added more events, added menu filtering.

This commit is contained in:
beard%netscape.com 1999-03-20 04:08:52 +00:00
Родитель 9df395c2d0
Коммит a36f89ab8d
1 изменённых файлов: 166 добавлений и 22 удалений

Просмотреть файл

@ -36,7 +36,8 @@
#include "nsDebug.h"
#ifdef XP_MAC
#include "jGNE.h"
#include "EventFilter.h"
#include <MacWindows.h>
#endif
////////////////////////////////////////////////////////////////////////////////
@ -284,10 +285,7 @@ public:
* @result - NS_OK if this operation was successful
*/
NS_IMETHOD
AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result);
/**
* Deallocates a menu ID (for the Mac).
@ -425,11 +423,16 @@ private:
};
static RegisteredWindow* theRegisteredWindows;
static RegisteredWindow* theActiveWindow;
static RegisteredWindow** GetRegisteredWindow(nsPluginPlatformWindowRef window);
static RegisteredWindow* FindRegisteredWindow(nsPluginPlatformWindowRef window);
#ifdef XP_MAC
Boolean mEventFilterInstalled;
Boolean mEventFiltersInstalled;
static Boolean EventFilter(EventRecord* event);
static Boolean MenuFilter(long menuSelection);
#endif
};
@ -1328,7 +1331,7 @@ CPluginManager::CPluginManager(void)
mLiveconnect = NULL;
#ifdef XP_MAC
mEventFilterInstalled = false;
mEventFiltersInstalled = false;
#endif
}
@ -1337,8 +1340,8 @@ CPluginManager::~CPluginManager(void)
NS_IF_RELEASE(mLiveconnect);
#ifdef XP_MAC
if (mEventFilterInstalled)
RemoveEventFilter();
if (mEventFiltersInstalled)
RemoveEventFilters();
#endif
}
@ -1494,6 +1497,7 @@ CPluginManager::GetValue(nsPluginManagerVariable variable, void *value)
//////////////////////////////
CPluginManager::RegisteredWindow* CPluginManager::theRegisteredWindows = NULL;
CPluginManager::RegisteredWindow* CPluginManager::theActiveWindow = NULL;
CPluginManager::RegisteredWindow** CPluginManager::GetRegisteredWindow(nsPluginPlatformWindowRef window)
{
@ -1508,6 +1512,12 @@ CPluginManager::RegisteredWindow** CPluginManager::GetRegisteredWindow(nsPluginP
return NULL;
}
CPluginManager::RegisteredWindow* CPluginManager::FindRegisteredWindow(nsPluginPlatformWindowRef window)
{
RegisteredWindow** link = GetRegisteredWindow(window);
return (link != NULL ? *link : NULL);
}
NS_METHOD
CPluginManager::RegisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowRef window)
{
@ -1515,8 +1525,10 @@ CPluginManager::RegisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowR
#ifdef XP_MAC
// use jGNE to obtain events for registered windows.
if (!mEventFilterInstalled)
::InstallEventFilter(&EventFilter);
if (!mEventFiltersInstalled) {
::InstallEventFilters(&EventFilter, &MenuFilter);
mEventFiltersInstalled = true;
}
// plugin expect the window to be shown and selected at this point.
::ShowWindow(window);
@ -1532,6 +1544,8 @@ CPluginManager::UnregisterWindow(nsIEventHandler* handler, nsPluginPlatformWindo
RegisteredWindow** link = GetRegisteredWindow(window);
if (link != NULL) {
RegisteredWindow* registeredWindow = *link;
if (registeredWindow == theActiveWindow)
theActiveWindow = NULL;
*link = registeredWindow->mNext;
delete registeredWindow;
}
@ -1541,8 +1555,8 @@ CPluginManager::UnregisterWindow(nsIEventHandler* handler, nsPluginPlatformWindo
// if no windows registered, remove the filter.
if (theRegisteredWindows == NULL) {
::RemoveEventFilter();
mEventFilterInstalled = false;
::RemoveEventFilters();
mEventFiltersInstalled = false;
}
#endif
@ -1551,32 +1565,162 @@ CPluginManager::UnregisterWindow(nsIEventHandler* handler, nsPluginPlatformWindo
#ifdef XP_MAC
static EventRecord* makeActivateEvent(EventRecord* event, WindowRef window, Boolean active)
{
::OSEventAvail(0, event);
event->what = activateEvt;
event->message = UInt32(window);
if (active)
event->modifiers |= activeFlag;
else
event->modifiers &= ~activeFlag;
return event;
}
/**
* This method filters events using a very low-level mechanism known as a jGNE filter.
* This filter gets first crack at all events before they are returned by WaitNextEvent
* or EventAvail. One trickiness is that the filter runs in all processes, so care
* must be taken not to act on events if the browser's process isn't current.
* So far, with activates, updates, and mouse clicks, it works quite well.
*/
Boolean CPluginManager::EventFilter(EventRecord* event)
{
Boolean filteredEvent = false;
nsPluginEvent pluginEvent = { event, NULL };
WindowRef window = WindowRef(event->message);
nsPluginEvent pluginEvent = { event, window };
EventRecord simulatedEvent;
RegisteredWindow* registeredWindow;
PRBool handled = PR_FALSE;
// see if this event is for one of our registered windows.
switch (event->what) {
case updateEvt:
WindowRef window = WindowRef(event->message);
RegisteredWindow** link = GetRegisteredWindow(window);
if (link != NULL) {
RegisteredWindow* registeredWindow = *link;
nsIEventHandler* handler = registeredWindow->mHandler;
case keyDown:
case keyUp:
case autoKey:
// See if the frontmost window is one of our registered windows.
window = ::FrontWindow();
registeredWindow = FindRegisteredWindow(window);
if (registeredWindow != NULL) {
pluginEvent.window = window;
PRBool handled = PR_FALSE;
registeredWindow->mHandler->HandleEvent(&pluginEvent, &handled);
filteredEvent = true;
}
break;
case mouseDown:
// use FindWindow to see if the click was in one our registered windows.
short partCode = FindWindow(event->where, &window);
switch (partCode) {
case inContent:
case inDrag:
case inGrow:
case inGoAway:
case inZoomIn:
case inZoomOut:
case inCollapseBox:
case inProxyIcon:
registeredWindow = FindRegisteredWindow(window);
if (registeredWindow != NULL) {
pluginEvent.window = window;
registeredWindow->mHandler->HandleEvent(&pluginEvent, &handled);
filteredEvent = true;
} else if (theActiveWindow != NULL) {
// a click is going into an unregistered window, if we are active,
// the browser doesn't seem to be generating a deactivate event.
// I think this is because PowerPlant is managing the windows, dang it.
window = theActiveWindow->mWindow;
pluginEvent.event = makeActivateEvent(&simulatedEvent, window, false);
pluginEvent.window = window;
::HiliteWindow(window, false);
theActiveWindow->mHandler->HandleEvent(&pluginEvent, &handled);
theActiveWindow = NULL;
}
break;
}
break;
case activateEvt:
registeredWindow = FindRegisteredWindow(window);
if (registeredWindow != NULL) {
registeredWindow->mHandler->HandleEvent(&pluginEvent, &handled);
filteredEvent = true;
theActiveWindow = registeredWindow;
}
break;
case updateEvt:
registeredWindow = FindRegisteredWindow(window);
if (registeredWindow != NULL) {
GrafPtr port; GetPort(&port); SetPort(window); BeginUpdate(window);
handler->HandleEvent(&pluginEvent, &handled);
registeredWindow->mHandler->HandleEvent(&pluginEvent, &handled);
EndUpdate(window); SetPort(port);
filteredEvent = true;
}
break;
case osEvt:
if ((event->message & osEvtMessageMask) == (suspendResumeMessage << 24)) {
registeredWindow = theActiveWindow;
if (registeredWindow != NULL) {
window = registeredWindow->mWindow;
Boolean active = (event->message & resumeFlag) != 0;
pluginEvent.event = makeActivateEvent(&simulatedEvent, window, active);
pluginEvent.window = window;
registeredWindow->mHandler->HandleEvent(&pluginEvent, &handled);
::HiliteWindow(window, active);
}
}
break;
}
return filteredEvent;
}
// TODO: find out what range of menus Communicator et. al. uses.
enum {
kBaseMenuID = 20000,
kBaseSubMenuID = 200
};
static PRInt16 nextMenuID = kBaseMenuID;
static PRInt16 nextSubMenuID = kBaseSubMenuID;
Boolean CPluginManager::MenuFilter(long menuSelection)
{
if (theActiveWindow != NULL) {
UInt16 menuID = (menuSelection >> 16);
if ((menuID >= kBaseMenuID && menuID < nextMenuID) || (menuID >= kBaseSubMenuID && menuID < nextSubMenuID)) {
EventRecord menuEvent;
::OSEventAvail(0, &menuEvent);
menuEvent.what = nsPluginEventType_MenuCommandEvent;
menuEvent.message = menuSelection;
WindowRef window = theActiveWindow->mWindow;
nsPluginEvent pluginEvent = { &menuEvent, window };
PRBool handled = PR_FALSE;
theActiveWindow->mHandler->HandleEvent(&pluginEvent, &handled);
return handled;
}
}
return false;
}
NS_METHOD
CPluginManager::AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result)
{
*result = (isSubmenu ? nextSubMenuID++ : nextMenuID++);
return NS_OK;
}
#else /* !XP_MAC */
NS_METHOD
CPluginManager::AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif /* XP_MAC */
//////////////////////////////