Allow live tabs to be dragged out of a window. Change TabStripModel such that

the caller must now explicitly show the newly created browser rather than it
happening automatically. 

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12550 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 2 deletions

diff --git a/chrome/browser/cocoa/tab_window_controller.h b/chrome/browser/cocoa/tab_window_controller.h
index fee790a..f0fcb524 100644
--- a/chrome/browser/cocoa/tab_window_controller.h
+++ b/chrome/browser/cocoa/tab_window_controller.h
@@ -19,9 +19,14 @@
 
 @interface TabWindowController : NSWindowController {
  @private
-  IBOutlet NSBox* contentBox_;
+  IBOutlet NSBox* contentBox_;  // Only valid at window creation time, used
+                                // to position the tab strip. nil afterwards.
+                                // TODO(pinkerton): get rid of this.
   IBOutlet TabStripView* tabStripView_;
-  NSWindow* overlayWindow_;  // used during dragging
+  NSWindow* overlayWindow_;  // Used during dragging for window opacity tricks
+  NSView* cachedContentView_;  // Used during dragging for identifying which
+                               // view is the proper content area in the overlay
+                               // (weak)
 }
 @property(readonly, nonatomic) TabStripView* tabStripView;
 
@@ -30,6 +35,7 @@
 - (void)showOverlay;
 - (void)removeOverlay;
 - (void)removeOverlayAfterDelay:(NSTimeInterval)delay;
+- (NSWindow*)overlayWindow;
 
 // A collection of methods, stubbed out in this base class, that provide
 // the implementation of tab dragging based on whatever model is most
@@ -50,6 +56,10 @@
 // Removes the placeholder installed by |-insertPlaceholderForTab:atLocation:|.
 - (void)removePlaceholder;
 
+// Number of tabs in the tab strip. Useful, for example, to know if we're
+// dragging the only tab in the window.
+- (NSInteger)numberOfTabs;
+
 @end
 
 #endif  // CHROME_BROWSER_TAB_WINDOW_CONTROLLER_H_