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/* -*- 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
#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_BLOCK_RETURN;
static WindowDataMap* sWindowMap = nil;
if (!sWindowMap) sWindowMap = [[WindowDataMap alloc] init];
return sWindowMap;
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (id)init {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
if ((self = [super init])) {
mWindowMap = [[NSMutableDictionary alloc] initWithCapacity:10];
}
return self;
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (void)dealloc {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mWindowMap release];
[super dealloc];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
- (void)ensureDataForWindow:(NSWindow*)inWindow {
NS_OBJC_BEGIN_TRY_IGNORE_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_IGNORE_BLOCK;
}
- (id)dataForWindow:(NSWindow*)inWindow {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
return [mWindowMap objectForKey:[self keyForWindow:inWindow]];
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (void)setData:(id)inData forWindow:(NSWindow*)inWindow {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mWindowMap setObject:inData forKey:[self keyForWindow:inWindow]];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
- (void)removeDataForWindow:(NSWindow*)inWindow {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mWindowMap removeObjectForKey:[self keyForWindow:inWindow]];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
- (NSString*)keyForWindow:(NSWindow*)inWindow {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
return [NSString stringWithFormat:@"%p", inWindow];
NS_OBJC_END_TRY_BLOCK_RETURN(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_BLOCK_RETURN;
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_BLOCK_RETURN(nil);
}
- (void)dealloc {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[NSNotificationCenter.defaultCenter removeObserver:self];
[super dealloc];
NS_OBJC_END_TRY_IGNORE_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_IGNORE_BLOCK;
WindowDelegate* delegate = (WindowDelegate*)aWindow.delegate;
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) return;
if ([delegate toplevelActiveState]) return;
[delegate sendToplevelActivateEvents];
NS_OBJC_END_TRY_IGNORE_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_IGNORE_BLOCK;
WindowDelegate* delegate = (WindowDelegate*)aWindow.delegate;
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) return;
if (![delegate toplevelActiveState]) return;
[delegate sendToplevelDeactivateEvents];
NS_OBJC_END_TRY_IGNORE_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_IGNORE_BLOCK;
id firstResponder = aWindow.firstResponder;
if ([firstResponder isKindOfClass:[ChildView class]]) {
[firstResponder viewsWindowDidBecomeKey];
}
NS_OBJC_END_TRY_IGNORE_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_IGNORE_BLOCK;
id firstResponder = aWindow.firstResponder;
if ([firstResponder isKindOfClass:[ChildView class]]) {
[firstResponder viewsWindowDidResignKey];
}
NS_OBJC_END_TRY_IGNORE_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 = inNotification.object;
id delegate = window.delegate;
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) {
[TopLevelWindowData activateInWindowViews:window];
} else if (window.isSheet || NSApp.modalWindow) {
[TopLevelWindowData activateInWindow:window];
}
}
- (void)windowResignedKey:(NSNotification*)inNotification {
NSWindow* window = inNotification.object;
id delegate = window.delegate;
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) {
[TopLevelWindowData deactivateInWindowViews:window];
} else if (window.isSheet || NSApp.modalWindow) {
[TopLevelWindowData deactivateInWindow:window];
}
}
// 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 = inNotification.object;
id delegate = window.delegate;
// Don't send events to a top-level window that has a sheet/modal-window open
// above it -- as far as Gecko is concerned, it's inactive, and stays so until
// the sheet/modal-window closes.
if (delegate && [delegate isKindOfClass:[WindowDelegate class]] &&
!window.attachedSheet && !NSApp.modalWindow) {
[TopLevelWindowData activateInWindow:window];
}
}
- (void)windowResignedMain:(NSNotification*)inNotification {
NSWindow* window = inNotification.object;
id delegate = window.delegate;
if (delegate && [delegate isKindOfClass:[WindowDelegate class]] &&
![window attachedSheet] && ![NSApp modalWindow]) {
[TopLevelWindowData deactivateInWindow:window];
}
}
- (void)windowWillClose:(NSNotification*)inNotification {
NS_OBJC_BEGIN_TRY_IGNORE_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_IGNORE_BLOCK;
}
@end