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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/base_bubble_controller.h"
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/memory/scoped_nsobject.h"
#include "base/string_util.h"
#import "chrome/browser/ui/cocoa/info_bubble_view.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
#include "content/common/notification_service.h"
#include "content/common/notification_type.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
@interface BaseBubbleController (Private)
- (void)updateOriginFromAnchor;
@end
namespace BaseBubbleControllerInternal {
// This bridge listens for notifications so that the bubble closes when a user
// switches tabs (including by opening a new one).
class Bridge : public NotificationObserver {
public:
explicit Bridge(BaseBubbleController* controller) : controller_(controller) {
registrar_.Add(this, NotificationType::TAB_CONTENTS_HIDDEN,
NotificationService::AllSources());
}
// NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
[controller_ close];
}
private:
BaseBubbleController* controller_; // Weak, owns this.
NotificationRegistrar registrar_;
};
} // namespace BaseBubbleControllerInternal
@implementation BaseBubbleController
@synthesize parentWindow = parentWindow_;
@synthesize anchorPoint = anchor_;
@synthesize bubble = bubble_;
- (id)initWithWindowNibPath:(NSString*)nibPath
parentWindow:(NSWindow*)parentWindow
anchoredAt:(NSPoint)anchoredAt {
nibPath = [base::mac::MainAppBundle() pathForResource:nibPath
ofType:@"nib"];
if ((self = [super initWithWindowNibPath:nibPath owner:self])) {
parentWindow_ = parentWindow;
anchor_ = anchoredAt;
// Watch to see if the parent window closes, and if so, close this one.
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
[center addObserver:self
selector:@selector(parentWindowWillClose:)
name:NSWindowWillCloseNotification
object:parentWindow_];
}
return self;
}
- (id)initWithWindowNibPath:(NSString*)nibPath
relativeToView:(NSView*)view
offset:(NSPoint)offset {
DCHECK([view window]);
NSWindow* window = [view window];
NSRect bounds = [view convertRect:[view bounds] toView:nil];
NSPoint anchor = NSMakePoint(NSMinX(bounds) + offset.x,
NSMinY(bounds) + offset.y);
anchor = [window convertBaseToScreen:anchor];
return [self initWithWindowNibPath:nibPath
parentWindow:window
anchoredAt:anchor];
}
- (id)initWithWindow:(NSWindow*)theWindow
parentWindow:(NSWindow*)parentWindow
anchoredAt:(NSPoint)anchoredAt {
DCHECK(theWindow);
if ((self = [super initWithWindow:theWindow])) {
parentWindow_ = parentWindow;
anchor_ = anchoredAt;
DCHECK(![[self window] delegate]);
[theWindow setDelegate:self];
scoped_nsobject<InfoBubbleView> contentView(
[[InfoBubbleView alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);
[theWindow setContentView:contentView.get()];
bubble_ = contentView.get();
// Watch to see if the parent window closes, and if so, close this one.
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
[center addObserver:self
selector:@selector(parentWindowWillClose:)
name:NSWindowWillCloseNotification
object:parentWindow_];
[self awakeFromNib];
}
return self;
}
- (void)awakeFromNib {
// Check all connections have been made in Interface Builder.
DCHECK([self window]);
DCHECK(bubble_);
DCHECK_EQ(self, [[self window] delegate]);
base_bridge_.reset(new BaseBubbleControllerInternal::Bridge(self));
[bubble_ setArrowLocation:info_bubble::kTopRight];
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (void)setAnchorPoint:(NSPoint)anchor {
anchor_ = anchor;
[self updateOriginFromAnchor];
}
- (void)parentWindowWillClose:(NSNotification*)notification {
[self close];
}
- (void)windowWillClose:(NSNotification*)notification {
// We caught a close so we don't need to watch for the parent closing.
[[NSNotificationCenter defaultCenter] removeObserver:self];
[self autorelease];
}
// We want this to be a child of a browser window. addChildWindow:
// (called from this function) will bring the window on-screen;
// unfortunately, [NSWindowController showWindow:] will also bring it
// on-screen (but will cause unexpected changes to the window's
// position). We cannot have an addChildWindow: and a subsequent
// showWindow:. Thus, we have our own version.
- (void)showWindow:(id)sender {
NSWindow* window = [self window]; // completes nib load
[self updateOriginFromAnchor];
[parentWindow_ addChildWindow:window ordered:NSWindowAbove];
[window makeKeyAndOrderFront:self];
}
- (void)close {
[parentWindow_ removeChildWindow:[self window]];
[super close];
}
// The controller is the delegate of the window so it receives did resign key
// notifications. When key is resigned mirror Windows behavior and close the
// window.
- (void)windowDidResignKey:(NSNotification*)notification {
NSWindow* window = [self window];
DCHECK_EQ([notification object], window);
if ([window isVisible]) {
// If the window isn't visible, it is already closed, and this notification
// has been sent as part of the closing operation, so no need to close.
[self close];
}
}
// By implementing this, ESC causes the window to go away.
- (IBAction)cancel:(id)sender {
// This is not a "real" cancel as potential changes to the radio group are not
// undone. That's ok.
[self close];
}
// Takes the |anchor_| point and adjusts the window's origin accordingly.
- (void)updateOriginFromAnchor {
NSWindow* window = [self window];
NSPoint origin = anchor_;
NSSize offsets = NSMakeSize(info_bubble::kBubbleArrowXOffset +
info_bubble::kBubbleArrowWidth / 2.0, 0);
offsets = [[parentWindow_ contentView] convertSize:offsets toView:nil];
if ([bubble_ arrowLocation] == info_bubble::kTopRight) {
origin.x -= NSWidth([window frame]) - offsets.width;
} else {
origin.x -= offsets.width;
}
origin.y -= NSHeight([window frame]);
[window setFrameOrigin:origin];
}
@end // BaseBubbleController
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