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