FullscreenExitBubble temp UI for Mac.

chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm

+// 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 <Cocoa/Cocoa.h>
+
+#include "base/logging.h"  // for NOTREACHED()
+#include "base/mac/mac_util.h"
+#include "base/sys_string_conversions.h"
+#include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#import "chrome/browser/ui/cocoa/animatable_view.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#include "chrome/browser/ui/cocoa/event_utils.h"
+#import "chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.h"
+#include "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
+#import "third_party/GTM/AppKit/GTMNSAnimation+Duration.h"
+#include "ui/base/models/accelerator_cocoa.h"
+#include "ui/base/l10n/l10n_util_mac.h"
+#include "chrome/app/chrome_command_ids.h"
+#include "grit/generated_resources.h"
+
+namespace {
+// Durations set to match the default SlideAnimation duration.
+const float kAnimateOpenDuration = 0.12;
+const float kAnimateCloseDuration = 0.12;
+
+// The baseline shift for text in the NSTextView.
+const float kTextBaselineShift = -1.0;
+}
+
+// This simple subclass of |NSTextView| just doesn't show the (text) cursor
+// (|NSTextView| displays the cursor with full keyboard accessibility enabled).
+/*@interface InfoBarTextView : NSTextView
+- (void)fixupCursor;
+@end
+
+@implementation InfoBarTextView
+
+// Never draw the insertion point (otherwise, it shows up without any user
+// action if full keyboard accessibility is enabled).
+- (BOOL)shouldDrawInsertionPoint {
+  return NO;
+}
+
+- (NSRange)selectionRangeForProposedRange:(NSRange)proposedSelRange
+                              granularity:(NSSelectionGranularity)granularity {
+  // Do not allow selections.
+  return NSMakeRange(0, 0);
+}
+
+// Convince NSTextView to not show an I-Beam cursor when the cursor is over the
+// text view but not over actual text.
+//
+// http://www.mail-archive.com/cocoa-dev@lists.apple.com/msg10791.html
+// "NSTextView sets the cursor over itself dynamically, based on considerations
+// including the text under the cursor. It does so in -mouseEntered:,
+// -mouseMoved:, and -cursorUpdate:, so those would be points to consider
+// overriding."
+- (void)mouseMoved:(NSEvent*)e {
+  [super mouseMoved:e];
+  [self fixupCursor];
+}
+
+- (void)mouseEntered:(NSEvent*)e {
+  [super mouseEntered:e];
+  [self fixupCursor];
+}
+
+- (void)cursorUpdate:(NSEvent*)e {
+  [super cursorUpdate:e];
+  [self fixupCursor];
+}
+
+- (void)fixupCursor {
+  if ([[NSCursor currentCursor] isEqual:[NSCursor IBeamCursor]])
+    [[NSCursor arrowCursor] set];
+}
+
+@end*/
+
+@interface FullscreenExitBubbleController (PrivateMethods)
+// Sets |exitLabel_| based on |exitLabelPlaceholder_|, sets |exitLabelPlaceholder_| to nil.
+- (void)initializeLabel;
+
+// Sets the info bar message to the specified |message|, with a hypertext
+// style link. |link| will be inserted into message at |linkOffset|.
+- (void)setLabelToMessage:(NSString*)message
+                 withLink:(NSString*)link
+                 atOffset:(NSUInteger)linkOffset;
+
+- (void)showButtons:(BOOL)shown;
+- (void)hideSoon;
+
+// Returns the Accelerator for the Toggle Fullscreen menu item.
++ (ui::AcceleratorCocoa)toggleFullscreenAccelerator;
+
+// Returns a string representation fit for display of |+toggleFullscreenAccelerator|.
++ (NSString*)keyCommandString;
+
++ (NSString*)keyCombinationForAccelerator:(const ui::AcceleratorCocoa&)item;
+@end
+
+@implementation FullscreenExitBubbleController
+
+- (id)initWithOwner:(BrowserWindowController*)owner browser:(Browser*)browser {
+  if ((self = [super initWithNibName:@"FullscreenExitBubble"
+                              bundle:base::mac::MainAppBundle()])) {
+    browser_ = browser;
+    owner_ = owner;
+  }
+  return self;
+}
+
+// All infobars have an icon, so we set up the icon in the base class
+// awakeFromNib.
+- (void)awakeFromNib {
+  [self initializeLabel];
+  [self hideSoon];
+}
+
+// Called when someone clicks on the embedded link.
+- (BOOL) textView:(NSTextView*)textView
+    clickedOnLink:(id)link
+          atIndex:(NSUInteger)charIndex {
+  // TODO there's probably a better way to invoke this.
+  browser_->ExecuteCommand(IDC_FULLSCREEN);
+  return YES;
+}
+
+// Called when someone clicks on the ok button.
+- (void)allow:(id)sender {
+  [self showButtons:NO];
+  //browser_->OnAcceptFullscreenPermission(url_);
+  [self hideSoon];
+}
+
+- (void)hideTimerFire:(NSTimer*)timer {
+  // TODO why aren't we using animateClosed?
+  NSRect endFrame = [[self view] frame];
+  endFrame.origin.y += endFrame.size.height;
+  float duration = 0.3;
+  NSDictionary* dict = [NSDictionary dictionaryWithObjectsAndKeys:
+      [self view], NSViewAnimationTargetKey,
+      [NSValue valueWithRect:endFrame], NSViewAnimationEndFrameKey, nil];
+
+  NSViewAnimation* animation =
+      [[NSViewAnimation alloc]
+        initWithViewAnimations:[NSArray arrayWithObjects:dict, nil]];
+  [animation gtm_setDuration:duration
+                           eventMask:NSLeftMouseUpMask];
+  [animation setDelegate:self];
+  [animation startAnimation];
+  hideAnimation_ = animation;
+}
+
+- (void)animationDidEnd:(NSAnimation*)animation {
+  if (animation == hideAnimation_) {
+    [hideAnimation_ autorelease];
+    hideAnimation_ = nil;
+  }
+
+  [owner_ setShowFloatingChrome:YES];
+}
+
+// Called when someone clicks on the cancel button.
+- (void)deny:(id)sender {
+  //[owner_ setFullscreen:NO forURL:GURL() showButtons:NO];
+}
+
+- (AnimatableView*)animatableView {
+  return static_cast<AnimatableView*>([self view]);
+}
+
+- (void)open {
+  // Simply reset the frame size to its opened size, forcing a relayout.
+  CGFloat finalHeight = [[self view] frame].size.height;
+  [[self animatableView] setHeight:finalHeight];
+}
+
+- (void)animateOpen {
+  // Force the frame size to be 0 and then start an animation.
+  NSRect frame = [[self view] frame];
+  CGFloat finalHeight = frame.size.height;
+  frame.size.height = 0;
+  [[self view] setFrame:frame];
+  [[self animatableView] animateToNewHeight:finalHeight
+                                   duration:kAnimateOpenDuration];
+}
+
+- (void)close {
+  // Stop any running animations.
+  [[self animatableView] stopAnimation];
+}
+
+- (void)animateClosed {
+  // Start animating closed.  We will receive a notification when the animation
+  // is done, at which point we can remove our view from the hierarchy and
+  // notify the delegate that the infobar was closed.
+  [[self animatableView] animateToNewHeight:0 duration:kAnimateCloseDuration];
+
+  // The owner called this method to close the infobar, so there will
+  // be no need to forward future remove events to the owner.
+  owner_ = NULL;
+}
+
+- (void)setLabelToMessage:(NSString*)message {
+  NSMutableDictionary* attributes = [NSMutableDictionary dictionary];
+  NSFont* font = [NSFont labelFontOfSize:
+      [NSFont systemFontSizeForControlSize:NSRegularControlSize]];
+  [attributes setObject:font
+                 forKey:NSFontAttributeName];
+  [attributes setObject:[NSCursor arrowCursor]
+                 forKey:NSCursorAttributeName];
+  [attributes setObject:[NSNumber numberWithFloat:kTextBaselineShift]
+                 forKey:NSBaselineOffsetAttributeName];
+  scoped_nsobject<NSAttributedString> attributedString(
+      [[NSAttributedString alloc] initWithString:message
+                                      attributes:attributes]);
+  [[exitLabel_.get() textStorage] setAttributedString:attributedString];
+}
+
+- (void)dealloc {
+  // TODO one or more of these things may be unnecessary.
+  [[self animatableView] stopAnimation];
+  [hideAnimation_ stopAnimation];
+  [hideTimer_ invalidate];
+  [super dealloc];
+}
+
+@end
+
+@implementation FullscreenExitBubbleController (PrivateMethods)
+
+- (void)initializeLabel {
+  // Replace the label placeholder NSTextField with the real label NSTextView.
+  // The former doesn't show links in a nice way, but the latter can't be added
+  // in IB without a containing scroll view, so create the NSTextView
+  // programmatically.
+  NSRect frame = [exitLabelPlaceholder_ frame];
+  frame.size.width = frame.size.height = 0;
+  exitLabel_.reset([[NSTextView alloc]
+      initWithFrame:[exitLabelPlaceholder_ frame]]);
+  //[exitLabel_.get() setAutoresizingMask:[exitLabelPlaceholder_ autoresizingMask]];
+  [[exitLabelPlaceholder_ superview]
+      replaceSubview:exitLabelPlaceholder_ with:exitLabel_.get()];
+  exitLabelPlaceholder_ = nil;  // Now released.
+  [exitLabel_.get() setDelegate:self];
+  [exitLabel_.get() setEditable:NO];
+  [exitLabel_.get() setDrawsBackground:NO];
+  //[exitLabel_.get() setHorizontallyResizable:NO];
+  [exitLabel_.get() setVerticallyResizable:NO];
+
+  NSMutableDictionary* linkAttributes = [NSMutableDictionary dictionary];
+  [linkAttributes setObject:[NSCursor arrowCursor]
+                     forKey:NSCursorAttributeName];
+  NSFont* font = [NSFont labelFontOfSize:
+      [NSFont systemFontSizeForControlSize:NSRegularControlSize]];
+  [linkAttributes setObject:font
+                     forKey:NSFontAttributeName];
+  [linkAttributes setObject:[NSColor whiteColor]
+                     forKey:NSForegroundColorAttributeName];
+  [linkAttributes setObject:[NSCursor pointingHandCursor]
+                     forKey:NSCursorAttributeName];
+  [linkAttributes setObject:[NSNumber numberWithInt:NSSingleUnderlineStyle]
+                     forKey:NSUnderlineStyleAttributeName];
+  [linkAttributes setObject:[NSString string]  // dummy value
+                     forKey:NSLinkAttributeName];
+
+  [exitLabel_.get() setLinkTextAttributes:linkAttributes];
+  NSString *message = l10n_util::GetNSStringF(IDS_EXIT_FULLSCREEN_MODE,
+      base::SysNSStringToUTF16([[self class] keyCommandString]));
+  [self setLabelToMessage:@"" withLink:message atOffset:0];
+  //[self view].frame = [exitLabel_ frame];
+}
+
+// This looks at the Main Menu and determines what the user has set as the
+// key combination for quit. It then gets the modifiers and builds an object
+// to hold the data.
++ (ui::AcceleratorCocoa)toggleFullscreenAccelerator {
+  NSMenu* mainMenu = [NSApp mainMenu];
+  // Get the application menu (i.e. Chromium).
+  for (NSMenuItem* menu in [mainMenu itemArray]) {
+    for (NSMenuItem* item in [[menu submenu] itemArray]) {
+      // Find the toggle presentation mode item.
+      if ([item tag] == IDC_PRESENTATION_MODE) {
+        return ui::AcceleratorCocoa([item keyEquivalent],
+                                    [item keyEquivalentModifierMask]);
+      }
+    }
+  }
+  // Default to Cmd+Shift+F.
+  return ui::AcceleratorCocoa(@"f", NSCommandKeyMask|NSShiftKeyMask);
+}
+
+// This looks at the Main Menu and determines what the user has set as the
+// key combination for quit. It then gets the modifiers and builds a string
+// to display them.
++ (NSString*)keyCommandString {
+  ui::AcceleratorCocoa accelerator = [[self class] toggleFullscreenAccelerator];
+  return [[self class] keyCombinationForAccelerator:accelerator];
+}
+
++ (NSString*)keyCombinationForAccelerator:(const ui::AcceleratorCocoa&)item {
+  NSMutableString* string = [NSMutableString string];
+  NSUInteger modifiers = item.modifiers();
+
+  if (modifiers & NSCommandKeyMask)
+    [string appendString:@"\u2318"];
+  if (modifiers & NSControlKeyMask)
+    [string appendString:@"\u2303"];
+  if (modifiers & NSAlternateKeyMask)
+    [string appendString:@"\u2325"];
+  BOOL isUpperCase = [[NSCharacterSet uppercaseLetterCharacterSet]
+      characterIsMember:[item.characters() characterAtIndex:0]];
+  if (modifiers & NSShiftKeyMask || isUpperCase)
+    [string appendString:@"\u21E7"];
+
+  [string appendString:[item.characters() uppercaseString]];
+  return string;
+}
+
+- (void)showButtons:(BOOL)show_buttons {
+  [exitLabel_ setHidden:show_buttons];
+  [allowButton_ setHidden:!show_buttons];
+  [denyButton_ setHidden:!show_buttons];
+}
+
+- (void)hideSoon {
+  // TODO probably don't need to retain?
+  hideTimer_.reset(
+      [[NSTimer scheduledTimerWithTimeInterval:2.3
+                                        target:self
+                                      selector:@selector(hideTimerFire:)
+                                      userInfo:nil
+                                       repeats:NO] retain]);
+}
+
+// TODO(joth): This method factors out some common functionality between the
+// various derived infobar classes, however the class hierarchy itself could
+// use refactoring to reduce this duplication. http://crbug.com/38924
+- (void)setLabelToMessage:(NSString*)message
+                 withLink:(NSString*)link
+                 atOffset:(NSUInteger)linkOffset {
+  if (linkOffset == std::wstring::npos) {
+    // linkOffset == std::wstring::npos means the link should be right-aligned,
+    // which is not supported on Mac (http://crbug.com/47728).
+    NOTIMPLEMENTED();
+    linkOffset = [message length];
+  }
+  // Create an attributes dictionary for the entire message.  We have
+  // to explicitly set the control's font.  We also override the cursor to give
+  // us the normal cursor rather than the text insertion cursor.
+  NSMutableDictionary* linkAttributes = [NSMutableDictionary dictionary];
+  [linkAttributes setObject:[NSCursor arrowCursor]
+                     forKey:NSCursorAttributeName];
+  NSFont* font = [NSFont labelFontOfSize:
+      [NSFont systemFontSizeForControlSize:NSRegularControlSize]];
+  [linkAttributes setObject:font
+                     forKey:NSFontAttributeName];
+
+  // Create the attributed string for the main message text.
+  scoped_nsobject<NSMutableAttributedString> infoText(
+      [[NSMutableAttributedString alloc] initWithString:message]);
+  [infoText.get() addAttributes:linkAttributes
+                    range:NSMakeRange(0, [infoText.get() length])];
+  // Add additional attributes to style the link text appropriately as
+  // well as linkify it.
+  [linkAttributes setObject:[NSColor whiteColor]
+                     forKey:NSForegroundColorAttributeName];
+  [linkAttributes setObject:[NSNumber numberWithBool:YES]
+                     forKey:NSUnderlineStyleAttributeName];
+  [linkAttributes setObject:[NSCursor pointingHandCursor]
+                     forKey:NSCursorAttributeName];
+  [linkAttributes setObject:[NSNumber numberWithInt:NSSingleUnderlineStyle]
+                     forKey:NSUnderlineStyleAttributeName];
+  [linkAttributes setObject:[NSString string]  // dummy value
+                     forKey:NSLinkAttributeName];
+
+  // Insert the link text into the string at the appropriate offset.
+  scoped_nsobject<NSAttributedString> attributedString(
+      [[NSAttributedString alloc] initWithString:link
+                                      attributes:linkAttributes]);
+  [infoText.get() insertAttributedString:attributedString.get()
+                                 atIndex:linkOffset];
+  // The entire text needs a baseline shift.
+  [infoText addAttribute:NSBaselineOffsetAttributeName
+                   value:[NSNumber numberWithDouble:kTextBaselineShift]
+                   range:NSMakeRange(0, [infoText length])];
+
+  // Update the label view with the new text.
+  [[exitLabel_.get() textStorage] setAttributedString:infoText];
+  
+  [exitLabel_.get() sizeToFit];
+  NSRect frame = [[self view] frame];
+  NSLog(@"%f", frame.size.width);
+  frame.size.width = [link widthForHeight:0 attributes:linkAttributes];
+  //frame.size.width = [exitLabel_ frame].size.width;
+  NSLog(@"%f", [exitLabel_ frame].size.width);
+  [[self view] setFrame:frame];
+  NSLog(@"%f", [[self view] frame].size.width);

[jeremya, 2011/09/14 22:56:48]

here

+}
+
+@end