Fullscreen support for Lion.

chrome/browser/ui/cocoa/browser_window_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #pragma once
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
@@ skipping 17 matching lines @@
 #include "ui/gfx/rect.h"
 
 @class AvatarButton;
 class Browser;
 class BrowserWindow;
 class BrowserWindowCocoa;
 class ConstrainedWindowMac;
 @class DevToolsController;
 @class DownloadShelfController;
 @class FindBarCocoaController;
-@class FullscreenController;
+@class FullscreenWindow;
 @class GTMWindowSheetController;
 @class InfoBarContainerController;
 class LocationBarViewMac;
+@class PresentationModeController;
 @class PreviewableContentsController;
 @class SidebarController;
 class StatusBubbleMac;
 class TabContents;
 @class TabStripController;
 @class TabStripView;
 @class ToolbarController;
 
 @interface BrowserWindowController :
   TabWindowController<NSUserInterfaceValidations,
@@ skipping 12 matching lines @@
   scoped_ptr<BrowserWindowCocoa> windowShim_;
   scoped_nsobject<ToolbarController> toolbarController_;
   scoped_nsobject<TabStripController> tabStripController_;
   scoped_nsobject<FindBarCocoaController> findBarCocoaController_;
   scoped_nsobject<InfoBarContainerController> infoBarContainerController_;
   scoped_nsobject<DownloadShelfController> downloadShelfController_;
   scoped_nsobject<BookmarkBarController> bookmarkBarController_;
   scoped_nsobject<DevToolsController> devToolsController_;
   scoped_nsobject<SidebarController> sidebarController_;
   scoped_nsobject<PreviewableContentsController> previewableContentsController_;
-  scoped_nsobject<FullscreenController> fullscreenController_;
+  scoped_nsobject<PresentationModeController> presentationModeController_;
 
   // Strong. StatusBubble is a special case of a strong reference that
   // we don't wrap in a scoped_ptr because it is acting the same
   // as an NSWindowController in that it wraps a window that must
   // be shut down before our destructors are called.
   StatusBubbleMac* statusBubble_;
 
   BookmarkBubbleController* bookmarkBubbleController_;  // Weak.
   BOOL initializing_;  // YES while we are currently in initWithBrowser:
   BOOL ownsBrowser_;  // Only ever NO when testing
@@ skipping 19 matching lines @@
   // The raw accumulated zoom value and the actual zoom increments made for an
   // an in-progress pinch gesture.
   CGFloat totalMagnifyGestureAmount_;
   NSInteger currentZoomStepDelta_;
 
   // The view that shows the incognito badge or the multi-profile avatar icon.
   // Nil if neither is present. Needed to access the view to move it to/from the
   // fullscreen window.
   scoped_nsobject<AvatarButton> avatarButton_;
 
+  // The view that shows the presentation mode toggle when in Lion fullscreen
+  // mode.  Nil if not in fullscreen mode or not on Lion.
+  scoped_nsobject<NSButton> presentationModeToggleButton_;
+
   // Lazily created view which draws the background for the floating set of bars
-  // in fullscreen mode (for window types having a floating bar; it remains nil
-  // for those which don't).
+  // in presentation mode (for window types having a floating bar; it remains
+  // nil for those which don't).
   scoped_nsobject<NSView> floatingBarBackingView_;
 
   // Tracks whether the floating bar is above or below the bookmark bar, in
   // terms of z-order.
   BOOL floatingBarAboveBookmarkBar_;
 
-  // The proportion of the floating bar which is shown (in fullscreen mode).
+  // The borderless window used in fullscreen mode.  Lion reuses the original
+  // window in fullscreen mode, so this is always nil on Lion.
+  scoped_nsobject<NSWindow> fullscreenWindow_;
+
+  // Tracks whether presentation mode was entered from fullscreen mode or
+  // directly from normal windowed mode.  Used to determine what to do when
+  // exiting presentation mode.
+  BOOL enteredPresentationModeFromFullscreen_;
+
+  // The size of the original (non-fullscreen) window.  This is saved just
+  // before entering fullscreen mode and is only valid when |-isFullscreen|
+  // returns YES.
+  NSRect savedRegularWindowFrame_;
+
+  // The proportion of the floating bar which is shown (in presentation mode).
   CGFloat floatingBarShownFraction_;
 
   // Various UI elements/events may want to ensure that the floating bar is
-  // visible (in fullscreen mode), e.g., because of where the mouse is or where
-  // keyboard focus is. Whenever an object requires bar visibility, it has
+  // visible (in presentation mode), e.g., because of where the mouse is or
+  // where keyboard focus is. Whenever an object requires bar visibility, it has
   // itself added to |barVisibilityLocks_|. When it no longer requires bar
   // visibility, it has itself removed.
   scoped_nsobject<NSMutableSet> barVisibilityLocks_;
 
   // Bar visibility locks and releases only result (when appropriate) in changes
   // in visible state when the following is |YES|.
   BOOL barVisibilityUpdatesEnabled_;
 }
 
 // A convenience class method which gets the |BrowserWindowController| for a
@@ skipping 153 matching lines @@
 
 // Called when the Add Search Engine dialog is closed.
 - (void)sheetDidEnd:(NSWindow*)sheet
          returnCode:(NSInteger)code
             context:(void*)context;
 
 @end  // @interface BrowserWindowController
 
 
 // Methods having to do with the window type (normal/popup/app, and whether the
-// window has various features; fullscreen methods are separate).
+// window has various features; fullscreen and presentation mode methods are
+// separate).
 @interface BrowserWindowController(WindowType)
 
 // Determines whether this controller's window supports a given feature (i.e.,
 // whether a given feature is or can be shown in the window).
 // TODO(viettrungluu): |feature| is really should be |Browser::Feature|, but I
 // don't want to include browser.h (and you can't forward declare enums).
 - (BOOL)supportsWindowFeature:(int)feature;
 
 // Called to check whether or not this window has a normal title bar (YES if it
 // does, NO otherwise). (E.g., normal browser windows do not, pop-ups do.)
@@ skipping 14 matching lines @@
 
 // Called to check if this controller's window is a tabbed window (e.g., not a
 // pop-up window). Returns YES if it is, NO otherwise.
 // Note: The |-has...| methods are usually preferred, so this method is largely
 // deprecated.
 - (BOOL)isTabbedWindow;
 
 @end  // @interface BrowserWindowController(WindowType)
 
 
-// Methods having to do with fullscreen mode.
+// Methods having to do with fullscreen and presentation mode.
 @interface BrowserWindowController(Fullscreen)
 
-// Enters fullscreen mode.
-- (IBAction)enterFullscreen:(id)sender;
+// Toggles fullscreen mode.  Meant to be called by Lion windows when they enter
+// or exit Lion fullscreen mode.  Must not be called on Snow Leopard or earlier.
+- (void)handleLionToggleFullscreen;
 
-// Enters (or exits) fullscreen mode.
+// Enters (or exits) fullscreen mode.  This method is safe to call on all OS
+// versions.
 - (void)setFullscreen:(BOOL)fullscreen;
 
-// Returns fullscreen state.
+// Returns fullscreen state.  This method is safe to call on all OS versions.
 - (BOOL)isFullscreen;
 
+// Toggles presentation mode without exiting fullscreen mode.  Should only be
+// called by the presentation mode toggle button.  This method should not be
+// called on Snow Leopard or earlier.
+- (void)togglePresentationModeForLionOrLater:(id)sender;
+
+// Enters (or exits) presentation mode.  Also enters fullscreen mode if this
+// window is not already fullscreen.  This method is safe to call on all OS
+// versions.
+- (void)setPresentationMode:(BOOL)presentationMode;
+
+// Returns presentation mode state.  This method is safe to call on all OS
+// versions.
+- (BOOL)inPresentationMode;
+
 // Resizes the fullscreen window to fit the screen it's currently on.  Called by
-// the FullscreenController when there is a change in monitor placement or
+// the PresentationModeController when there is a change in monitor placement or
 // resolution.
 - (void)resizeFullscreenWindow;
 
-// Gets or sets the fraction of the floating bar (fullscreen overlay) that is
-// shown.  0 is completely hidden, 1 is fully shown.
+// Gets or sets the fraction of the floating bar (presentation mode overlay)
+// that is shown.  0 is completely hidden, 1 is fully shown.
 - (CGFloat)floatingBarShownFraction;
 - (void)setFloatingBarShownFraction:(CGFloat)fraction;
 
 // Query/lock/release the requirement that the tab strip/toolbar/attached
 // bookmark bar bar cluster is visible (e.g., when one of its elements has
-// focus). This is required for the floating bar in fullscreen mode, but should
-// also be called when not in fullscreen mode; see the comments for
+// focus). This is required for the floating bar in presentation mode, but
+// should also be called when not in presentation mode; see the comments for
 // |barVisibilityLocks_| for more details. Double locks/releases by the same
 // owner are ignored. If |animate:| is YES, then an animation may be performed,
 // possibly after a small delay if |delay:| is YES. If |animate:| is NO,
 // |delay:| will be ignored. In the case of multiple calls, later calls have
 // precedence with the rule that |animate:NO| has precedence over |animate:YES|,
 // and |delay:NO| has precedence over |delay:YES|.
 - (BOOL)isBarVisibilityLockedForOwner:(id)owner;
 - (void)lockBarVisibilityForOwner:(id)owner
                     withAnimation:(BOOL)animate
                             delay:(BOOL)delay;
@@ skipping 38 matching lines @@
 - (void)resetWindowGrowthState;
 
 // Computes by how far in each direction, horizontal and vertical, the
 // |source| rect doesn't fit into |target|.
 - (NSSize)overflowFrom:(NSRect)source
                     to:(NSRect)target;
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_