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// Copyright (c) 2009 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 <Cocoa/Cocoa.h>
#import "chrome/browser/cocoa/theme_install_bubble_view.h"
#include "app/l10n_util_mac.h"
#include "base/scoped_nsobject.h"
#include "grit/generated_resources.h"
namespace {
// The alpha of the bubble.
static const float kBubbleAlpha = 0.75;
// The roundedness of the edges of our bubble.
static const int kBubbleCornerRadius = 4;
// Padding around text in popup box.
static const int kTextHorizPadding = 90;
static const int kTextVertPadding = 45;
// Point size of the text in the box.
static const int kLoadingTextSize = 24;
}
// static
ThemeInstallBubbleView* ThemeInstallBubbleView::view_ = NULL;
// The Cocoa view to draw a gray rounded rect with "Loading..." in it.
@interface ThemeInstallBubbleViewCocoa : NSView {
@private
scoped_nsobject<NSAttributedString> message_;
NSRect grayRect_;
NSRect textRect_;
}
- (id)init;
// The size of the gray rect that will be drawn.
- (NSSize)preferredSize;
// Forces size calculations of where everything will be drawn.
- (void)layout;
@end
ThemeInstallBubbleView::ThemeInstallBubbleView(NSWindow* window)
: cocoa_view_([[ThemeInstallBubbleViewCocoa alloc] init]),
num_loads_extant_(1) {
DCHECK(window);
NSView* parent_view = [window contentView];
NSRect parent_bounds = [parent_view bounds];
if (parent_bounds.size.height < [cocoa_view_ preferredSize].height)
Close();
// Close when theme has been installed.
registrar_.Add(
this,
NotificationType::BROWSER_THEME_CHANGED,
NotificationService::AllSources());
// Close when we are installing an extension, not a theme.
registrar_.Add(
this,
NotificationType::NO_THEME_DETECTED,
NotificationService::AllSources());
registrar_.Add(
this,
NotificationType::EXTENSION_INSTALLED,
NotificationService::AllSources());
registrar_.Add(
this,
NotificationType::EXTENSION_INSTALL_ERROR,
NotificationService::AllSources());
// Don't let the bubble overlap the confirm dialog.
registrar_.Add(
this,
NotificationType::EXTENSION_WILL_SHOW_CONFIRM_DIALOG,
NotificationService::AllSources());
// Add the view.
[cocoa_view_ setFrame:parent_bounds];
[cocoa_view_ setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[parent_view addSubview:cocoa_view_
positioned:NSWindowAbove
relativeTo:nil];
[cocoa_view_ layout];
}
ThemeInstallBubbleView::~ThemeInstallBubbleView() {
// Need to delete self; the real work happens in Close().
}
void ThemeInstallBubbleView::Close() {
--num_loads_extant_;
if (num_loads_extant_ < 1) {
registrar_.RemoveAll();
if (cocoa_view_ && [cocoa_view_ superview]) {
[cocoa_view_ removeFromSuperview];
[cocoa_view_ release];
}
view_ = NULL;
delete this;
// this is deleted; nothing more!
}
}
void ThemeInstallBubbleView::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
Close();
}
// static
void ThemeInstallBubbleView::Show(NSWindow* window) {
if (view_)
++view_->num_loads_extant_;
else
view_ = new ThemeInstallBubbleView(window);
}
@implementation ThemeInstallBubbleViewCocoa
- (id)init {
self = [super initWithFrame:NSZeroRect];
if (self) {
NSString* loadingString =
l10n_util::GetNSStringWithFixup(IDS_THEME_LOADING_TITLE);
NSFont* loadingFont = [NSFont systemFontOfSize:kLoadingTextSize];
NSColor* textColor = [NSColor whiteColor];
NSDictionary* loadingAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
loadingFont, NSFontAttributeName,
textColor, NSForegroundColorAttributeName,
nil];
message_.reset([[NSAttributedString alloc] initWithString:loadingString
attributes:loadingAttrs]);
// TODO(avi): find a white-on-black spinner
}
return self;
}
- (NSSize)preferredSize {
NSSize size = [message_.get() size];
size.width += kTextHorizPadding;
size.height += kTextVertPadding;
return size;
}
// Update the layout to keep the view centered when the window is resized.
- (void)resizeWithOldSuperviewSize:(NSSize)oldBoundsSize {
[super resizeWithOldSuperviewSize:oldBoundsSize];
[self layout];
}
- (void)layout {
NSRect bounds = [self bounds];
grayRect_.size = [self preferredSize];
grayRect_.origin.x = (bounds.size.width - grayRect_.size.width) / 2;
grayRect_.origin.y = bounds.size.height / 2;
textRect_.size = [message_.get() size];
textRect_.origin.x = (bounds.size.width - [message_.get() size].width) / 2;
textRect_.origin.y = (bounds.size.height + kTextVertPadding) / 2;
}
- (void)drawRect:(NSRect)dirtyRect {
[[NSColor clearColor] set];
NSRectFillUsingOperation([self bounds], NSCompositeSourceOver);
[[[NSColor blackColor] colorWithAlphaComponent:kBubbleAlpha] set];
[[NSBezierPath bezierPathWithRoundedRect:grayRect_
xRadius:kBubbleCornerRadius
yRadius:kBubbleCornerRadius] fill];
[message_.get() drawInRect:textRect_];
}
@end
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