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Diffstat (limited to 'chrome/browser/cocoa/notifications/balloon_controller.mm')
| -rw-r--r-- | chrome/browser/cocoa/notifications/balloon_controller.mm | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/chrome/browser/cocoa/notifications/balloon_controller.mm b/chrome/browser/cocoa/notifications/balloon_controller.mm new file mode 100644 index 0000000..f452cb4 --- /dev/null +++ b/chrome/browser/cocoa/notifications/balloon_controller.mm @@ -0,0 +1,306 @@ +// Copyright (c) 2010 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. + +#include "chrome/browser/cocoa/notifications/balloon_controller.h" + +#include "app/l10n_util.h" +#import "base/cocoa_protocols_mac.h" +#import "base/scoped_nsobject.h" +#include "base/string_util.h" +#include "chrome/browser/browser_list.h" +#include "chrome/browser/browser_window.h" +#include "chrome/browser/cocoa/notifications/balloon_view_host_mac.h" +#include "chrome/browser/notifications/balloon.h" +#include "chrome/browser/notifications/desktop_notification_service.h" +#include "chrome/browser/profile.h" +#include "grit/generated_resources.h" + +namespace { + +// Margin, in pixels, between the notification frame and the contents +// of the notification. +const int kTopMargin = 2; +const int kBottomMargin = 2; +const int kLeftMargin = 2; +const int kRightMargin = 2; + +// How many pixels of overlap there is between the shelf top and the +// balloon bottom. +const int kShelfBorderTopOverlap = 6; + +// Properties of the dismiss button. +const int kDismissButtonWidth = 52; +const int kDismissButtonHeight = 18; + +// Properties of the options menu. +const int kOptionsMenuWidth = 52; +const int kOptionsMenuHeight = 18; + +// Properties of the origin label. +const int kLeftLabelMargin = 4; +const int kLabelHeight = 16; + +// TODO(johnnyg): http://crbug.com/34826 Add a shadow for the frame. +const int kLeftShadowWidth = 0; +const int kRightShadowWidth = 0; +const int kTopShadowWidth = 0; +const int kBottomShadowWidth = 0; + +// The shelf height for the system default font size. It is scaled +// with changes in the default font size. +const int kDefaultShelfHeight = 22; + +} // namespace + +@interface BalloonController (InternalLayout) +// The following are all internal methods to calculate the dimensions of +// subviews. +- (NSPoint)contentsOffset; +- (int)shelfHeight; +- (int)balloonFrameHeight; +- (NSRect)contentsRectangle; +- (NSRect)closeButtonBounds; +- (NSRect)optionsMenuBounds; +- (NSRect)labelBounds; +@end + +@implementation BalloonController + +- (id)initWithBalloon:(Balloon*)balloon { + NSString* sourceLabelText = l10n_util::GetNSStringF( + IDS_NOTIFICATION_BALLOON_SOURCE_LABEL, + WideToUTF16(balloon->notification().display_source())); + NSString* optionsText = + l10n_util::GetNSString(IDS_NOTIFICATION_OPTIONS_MENU_LABEL); + NSString* dismissText = + l10n_util::GetNSString(IDS_NOTIFICATION_BALLOON_DISMISS_LABEL); + NSString* revokeText = + l10n_util::GetNSStringF(IDS_NOTIFICATION_BALLOON_REVOKE_MESSAGE, + WideToUTF16(balloon->notification().display_source())); + + balloon_ = balloon; + + frameContainer_.reset([[NSWindow alloc] + initWithContentRect:NSZeroRect + styleMask:NSBorderlessWindowMask + backing:NSBackingStoreBuffered + defer:YES]); + [frameContainer_ setAlphaValue:1.0]; + [frameContainer_ setOpaque:NO]; + [frameContainer_ setLevel:NSFloatingWindowLevel]; + + if ((self = [self initWithWindow:frameContainer_.get()])) { + // Position of the balloon. + int x = balloon_->position().x(); + int y = balloon_->position().y(); + int w = [self desiredTotalWidth]; + int h = [self desiredTotalHeight]; + + NSView* contentView = [frameContainer_ contentView]; + + frameView_.reset([[BalloonViewCocoa alloc] + initWithFrame:NSMakeRect(0, + [self shelfHeight], + w, + [self balloonFrameHeight])]); + [contentView addSubview:frameView_.get()]; + + htmlContainer_.reset( + [[NSView alloc] initWithFrame:[self contentsRectangle]]); + [htmlContainer_ setNeedsDisplay:YES]; + [htmlContainer_ setFrame:[self contentsRectangle]]; + [frameView_ addSubview:htmlContainer_.get()]; + + htmlContents_.reset(new BalloonViewHost(balloon)); + [self initializeHost]; + + scoped_nsobject<NSView> shelfView([[BalloonShelfViewCocoa alloc] + initWithFrame:NSMakeRect(0, + 0, + w, + [self shelfHeight]+kShelfBorderTopOverlap)]); + [contentView addSubview:shelfView.get() + positioned:NSWindowBelow + relativeTo:htmlContainer_.get()]; + + optionsMenu_.reset([[NSMenu alloc] init]); + [optionsMenu_ addItemWithTitle:revokeText + action:@selector(permissionRevoked:) + keyEquivalent:@""]; + + + // Creating UI elements by hand for easier parity with other platforms. + // TODO(johnnyg): http://crbug.com/34627 + // Investigate converting this to a nib. + scoped_nsobject<BalloonButtonCell> closeButtonCell( + [[BalloonButtonCell alloc] initTextCell:dismissText]); + scoped_nsobject<NSButton> closeButton( + [[NSButton alloc] initWithFrame:[self closeButtonBounds]]); + [shelfView addSubview:closeButton.get()]; + [closeButton setCell:closeButtonCell.get()]; + [closeButton setTarget:self]; + [closeButton setAction:@selector(closeButtonPressed:)]; + [closeButtonCell setTextColor:[NSColor whiteColor]]; + + scoped_nsobject<BalloonButtonCell> optionsButtonCell( + [[BalloonButtonCell alloc] initTextCell:optionsText]); + scoped_nsobject<NSButton> optionsButton( + [[NSButton alloc] initWithFrame:[self optionsMenuBounds]]); + [shelfView addSubview:optionsButton.get()]; + [optionsButton setCell:optionsButtonCell.get()]; + [optionsButton setTarget:self]; + [optionsButton setAction:@selector(optionsButtonPressed:)]; + [optionsButtonCell setTextColor:[NSColor whiteColor]]; + + scoped_nsobject<NSTextField> originLabel([[NSTextField alloc] init]); + [shelfView addSubview:originLabel.get()]; + [originLabel setEditable:NO]; + [originLabel setBezeled:NO]; + [originLabel setSelectable:NO]; + [originLabel setDrawsBackground:NO]; + [[originLabel cell] setLineBreakMode:NSLineBreakByTruncatingTail]; + [[originLabel cell] setTextColor:[NSColor whiteColor]]; + [originLabel setStringValue:sourceLabelText]; + [originLabel setFrame:[self labelBounds]]; + [originLabel setFont: + [NSFont systemFontOfSize:[NSFont smallSystemFontSize]]]; + + [frameContainer_ setFrame:NSMakeRect(x, y, w, h) display:YES]; + [frameContainer_ setDelegate:self]; + } + return self; +} + +- (IBAction)closeButtonPressed:(id)sender { + [self closeBalloon:YES]; +} + +- (IBAction)optionsButtonPressed:(id)sender { + [NSMenu popUpContextMenu:optionsMenu_ + withEvent:[NSApp currentEvent] + forView:frameView_]; +} + +- (IBAction)permissionRevoked:(id)sender { + DesktopNotificationService* service = + balloon_->profile()->GetDesktopNotificationService(); + service->DenyPermission(balloon_->notification().origin_url()); +} + +- (void)closeBalloon:(bool)byUser { + DCHECK(balloon_); + [self close]; + htmlContents_->Shutdown(); + balloon_->OnClose(byUser); + balloon_ = NULL; +} + +- (void)repositionToBalloon { + DCHECK(balloon_); + int x = balloon_->position().x(); + int y = balloon_->position().y(); + int w = [self desiredTotalWidth]; + int h = [self desiredTotalHeight]; + + NSRect frame = NSMakeRect(x, y, w, h); + + htmlContents_->UpdateActualSize(balloon_->content_size()); + [htmlContainer_ setFrame:[self contentsRectangle]]; + [frameView_ setFrame:NSMakeRect(0, + [self shelfHeight], + w, + [self balloonFrameHeight])]; + + [animation_ stopAnimation]; + + NSDictionary* dict = + [NSDictionary dictionaryWithObjectsAndKeys: + frameContainer_.get(), NSViewAnimationTargetKey, + [NSValue valueWithRect:frame], NSViewAnimationEndFrameKey, nil]; + + animation_.reset([[NSViewAnimation alloc] + initWithViewAnimations:[NSArray arrayWithObjects:dict, nil]]); + [animation_ startAnimation]; +} + +// Returns the total width the view should be to accommodate the balloon. +- (int)desiredTotalWidth { + return (balloon_ ? balloon_->content_size().width() : 0) + + kLeftMargin + kRightMargin + kLeftShadowWidth + kRightShadowWidth; +} + +// Returns the total height the view should be to accommodate the balloon. +- (int)desiredTotalHeight { + return (balloon_ ? balloon_->content_size().height() : 0) + + kTopMargin + kBottomMargin + kTopShadowWidth + kBottomShadowWidth + + [self shelfHeight]; +} + +// Relative to the lower left of the frame, above the shelf. +- (NSPoint)contentsOffset { + return NSMakePoint(kLeftShadowWidth + kLeftMargin, + kBottomShadowWidth + kBottomMargin); +} + +// Returns the height of the shelf in pixels. +- (int)shelfHeight { + // TODO(johnnyg): add scaling here. + return kDefaultShelfHeight; +} + +// Returns the height of the balloon contents frame in pixels. +- (int)balloonFrameHeight { + return [self desiredTotalHeight] - [self shelfHeight]; +} + +// Relative to the lower-left of the frame. +- (NSRect)contentsRectangle { + gfx::Size contentSize = balloon_->content_size(); + NSPoint offset = [self contentsOffset]; + return NSMakeRect(offset.x, offset.y, + contentSize.width(), contentSize.height()); +} + +// Returns the bounds of the close button. +- (NSRect)closeButtonBounds { + return NSMakeRect( + [self desiredTotalWidth] - kDismissButtonWidth - kRightMargin, + kBottomMargin, + kDismissButtonWidth, + kDismissButtonHeight); +} + +// Returns the bounds of the button which opens the options menu. +- (NSRect)optionsMenuBounds { + return NSMakeRect( + [self desiredTotalWidth] - + kDismissButtonWidth - kOptionsMenuWidth - kRightMargin, + kBottomMargin, + kOptionsMenuWidth, + kOptionsMenuHeight); +} + +// Returns the bounds of the label showing the origin of the notification. +- (NSRect)labelBounds { + return NSMakeRect( + kLeftLabelMargin, + kBottomMargin, + [self desiredTotalWidth] - + kDismissButtonWidth - kOptionsMenuWidth - kRightMargin, + kLabelHeight); +} + +// Initializes the renderer host showing the HTML contents. +- (void)initializeHost { + htmlContents_->Init(); + gfx::NativeView contents = htmlContents_->native_view(); + [htmlContainer_ addSubview:contents]; +} + +// NSWindowDelegate notification. +- (void)windowWillClose:(NSNotification*)notif { + [self autorelease]; +} + +@end |