/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsWindowMap.h" #include "nsObjCExceptions.h" #include "nsChildView.h" #include "nsCocoaWindow.h" @interface WindowDataMap (Private) - (NSString*)keyForWindow:(NSWindow*)inWindow; @end @interface TopLevelWindowData (Private) - (void)windowResignedKey:(NSNotification*)inNotification; - (void)windowBecameKey:(NSNotification*)inNotification; - (void)windowWillClose:(NSNotification*)inNotification; @end #pragma mark - @implementation WindowDataMap + (WindowDataMap*)sharedWindowDataMap { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL; static WindowDataMap* sWindowMap = nil; if (!sWindowMap) sWindowMap = [[WindowDataMap alloc] init]; return sWindowMap; NS_OBJC_END_TRY_ABORT_BLOCK_NIL; } - (id)init { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL; if ((self = [super init])) { mWindowMap = [[NSMutableDictionary alloc] initWithCapacity:10]; } return self; NS_OBJC_END_TRY_ABORT_BLOCK_NIL; } - (void)dealloc { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; [mWindowMap release]; [super dealloc]; NS_OBJC_END_TRY_ABORT_BLOCK; } - (void)ensureDataForWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; if (!inWindow || [self dataForWindow:inWindow]) return; TopLevelWindowData* windowData = [[TopLevelWindowData alloc] initWithWindow:inWindow]; [self setData:windowData forWindow:inWindow]; // takes ownership [windowData release]; NS_OBJC_END_TRY_ABORT_BLOCK; } - (id)dataForWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL; return [mWindowMap objectForKey:[self keyForWindow:inWindow]]; NS_OBJC_END_TRY_ABORT_BLOCK_NIL; } - (void)setData:(id)inData forWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; [mWindowMap setObject:inData forKey:[self keyForWindow:inWindow]]; NS_OBJC_END_TRY_ABORT_BLOCK; } - (void)removeDataForWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; [mWindowMap removeObjectForKey:[self keyForWindow:inWindow]]; NS_OBJC_END_TRY_ABORT_BLOCK; } - (NSString*)keyForWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL; return [NSString stringWithFormat:@"%p", inWindow]; NS_OBJC_END_TRY_ABORT_BLOCK_NIL; } @end // TopLevelWindowData // // This class holds data about top-level windows. We can't use a window // delegate, because an embedder may already have one. @implementation TopLevelWindowData - (id)initWithWindow:(NSWindow*)inWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL; if ((self = [super init])) { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowBecameKey:) name:NSWindowDidBecomeKeyNotification object:inWindow]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowResignedKey:) name:NSWindowDidResignKeyNotification object:inWindow]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowBecameMain:) name:NSWindowDidBecomeMainNotification object:inWindow]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowResignedMain:) name:NSWindowDidResignMainNotification object:inWindow]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowWillClose:) name:NSWindowWillCloseNotification object:inWindow]; } return self; NS_OBJC_END_TRY_ABORT_BLOCK_NIL; } - (void)dealloc { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; [[NSNotificationCenter defaultCenter] removeObserver:self]; [super dealloc]; NS_OBJC_END_TRY_ABORT_BLOCK; } // As best I can tell, if the notification's object has a corresponding // top-level widget (an nsCocoaWindow object), it has a delegate (set in // nsCocoaWindow::StandardCreate()) of class WindowDelegate, and otherwise // not (Camino didn't use top-level widgets (nsCocoaWindow objects) -- // only child widgets (nsChildView objects)). (The notification is sent // to windowBecameKey: or windowBecameMain: below.) // // For use with clients that (like Firefox) do use top-level widgets (and // have NSWindow delegates of class WindowDelegate). + (void)activateInWindow:(NSWindow*)aWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; WindowDelegate* delegate = (WindowDelegate*)[aWindow delegate]; if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) return; if ([delegate toplevelActiveState]) return; [delegate sendToplevelActivateEvents]; NS_OBJC_END_TRY_ABORT_BLOCK; } // See comments above activateInWindow: // // If we're using top-level widgets (nsCocoaWindow objects), we send them // NS_DEACTIVATE events (which propagate to child widgets (nsChildView // objects) via nsWebShellWindow::HandleEvent()). // // For use with clients that (like Firefox) do use top-level widgets (and // have NSWindow delegates of class WindowDelegate). + (void)deactivateInWindow:(NSWindow*)aWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; WindowDelegate* delegate = (WindowDelegate*)[aWindow delegate]; if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) return; if (![delegate toplevelActiveState]) return; [delegate sendToplevelDeactivateEvents]; NS_OBJC_END_TRY_ABORT_BLOCK; } // For use with clients that (like Camino) don't use top-level widgets (and // don't have NSWindow delegates of class WindowDelegate). + (void)activateInWindowViews:(NSWindow*)aWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; id firstResponder = [aWindow firstResponder]; if ([firstResponder isKindOfClass:[ChildView class]]) [firstResponder viewsWindowDidBecomeKey]; NS_OBJC_END_TRY_ABORT_BLOCK; } // For use with clients that (like Camino) don't use top-level widgets (and // don't have NSWindow delegates of class WindowDelegate). + (void)deactivateInWindowViews:(NSWindow*)aWindow { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; id firstResponder = [aWindow firstResponder]; if ([firstResponder isKindOfClass:[ChildView class]]) [firstResponder viewsWindowDidResignKey]; NS_OBJC_END_TRY_ABORT_BLOCK; } // We make certain exceptions for top-level windows in non-embedders (see // comment above windowBecameMain below). And we need (elsewhere) to guard // against sending duplicate events. But in general the NS_ACTIVATE event // should be sent when a native window becomes key, and the NS_DEACTIVATE // event should be sent when it resignes key. - (void)windowBecameKey:(NSNotification*)inNotification { NSWindow* window = (NSWindow*)[inNotification object]; id delegate = [window delegate]; if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) { [TopLevelWindowData activateInWindowViews:window]; } else if ([window isSheet]) { [TopLevelWindowData activateInWindow:window]; } [[window contentView] setNeedsDisplay:YES]; } - (void)windowResignedKey:(NSNotification*)inNotification { NSWindow* window = (NSWindow*)[inNotification object]; id delegate = [window delegate]; if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) { [TopLevelWindowData deactivateInWindowViews:window]; } else if ([window isSheet]) { [TopLevelWindowData deactivateInWindow:window]; } [[window contentView] setNeedsDisplay:YES]; } // The appearance of a top-level window depends on its main state (not its key // state). So (for non-embedders) we need to ensure that a top-level window // is main when an NS_ACTIVATE event is sent to Gecko for it. - (void)windowBecameMain:(NSNotification*)inNotification { NSWindow* window = (NSWindow*)[inNotification object]; id delegate = [window delegate]; // Don't send events to a top-level window that has a sheet open above it -- // as far as Gecko is concerned, it's inactive, and stays so until the sheet // closes. if (delegate && [delegate isKindOfClass:[WindowDelegate class]] && ![window attachedSheet]) [TopLevelWindowData activateInWindow:window]; } - (void)windowResignedMain:(NSNotification*)inNotification { NSWindow* window = (NSWindow*)[inNotification object]; id delegate = [window delegate]; if (delegate && [delegate isKindOfClass:[WindowDelegate class]] && ![window attachedSheet]) [TopLevelWindowData deactivateInWindow:window]; } - (void)windowWillClose:(NSNotification*)inNotification { NS_OBJC_BEGIN_TRY_ABORT_BLOCK; // postpone our destruction [[self retain] autorelease]; // remove ourselves from the window map (which owns us) [[WindowDataMap sharedWindowDataMap] removeDataForWindow:[inNotification object]]; NS_OBJC_END_TRY_ABORT_BLOCK; } @end