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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_
      6 #define CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 #import <Quartz/Quartz.h>
     10 
     11 #include "base/callback.h"
     12 #import "base/mac/scoped_nsobject.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "base/strings/string16.h"
     15 #include "chrome/browser/media/desktop_media_list.h"
     16 #include "chrome/browser/media/desktop_media_picker.h"
     17 #import "chrome/browser/ui/cocoa/media_picker/desktop_media_picker_bridge.h"
     18 
     19 // A controller for the Desktop Media Picker. Presents the user with a list of
     20 // media sources for screen-capturing, and reports the result.
     21 @interface DesktopMediaPickerController
     22     : NSWindowController<NSWindowDelegate, DesktopMediaPickerObserver> {
     23  @private
     24   // The image browser view to present sources to the user (thumbnails and
     25   // names).
     26   base::scoped_nsobject<IKImageBrowserView> sourceBrowser_;
     27 
     28   // The button used to confirm the selection.
     29   NSButton* shareButton_;  // weak; owned by contentView
     30 
     31   // The button used to cancel and close the dialog.
     32   NSButton* cancelButton_;  // weak; owned by contentView
     33 
     34   // Provides source information (including thumbnails) to fill up |items_| and
     35   // to render in |sourceBrowser_|.
     36   scoped_ptr<DesktopMediaList> media_list_;
     37 
     38   // To be called with the user selection.
     39   DesktopMediaPicker::DoneCallback doneCallback_;
     40 
     41   // Array of |DesktopMediaPickerItem| used as data for |sourceBrowser_|.
     42   base::scoped_nsobject<NSMutableArray> items_;
     43 
     44   // C++ bridge to use as an observer to |media_list_|, that forwards obj-c
     45   // notifications to this object.
     46   scoped_ptr<DesktopMediaPickerBridge> bridge_;
     47 
     48   // Used to create |DesktopMediaPickerItem|s with unique IDs.
     49   int lastImageUID_;
     50 }
     51 
     52 // Designated initializer.
     53 // To show the dialog, use |NSWindowController|'s |showWindow:|.
     54 // |callback| will be called to report the user's selection.
     55 // |appName| will be used to format the dialog's title and the label, where it
     56 // appears as the initiator of the request.
     57 // |targetName| will be used to format the dialog's label and appear as the
     58 // consumer of the requested stream.
     59 - (id)initWithMediaList:(scoped_ptr<DesktopMediaList>)media_list
     60                  parent:(NSWindow*)parent
     61                callback:(const DesktopMediaPicker::DoneCallback&)callback
     62                 appName:(const base::string16&)appName
     63              targetName:(const base::string16&)targetName;
     64 
     65 @end
     66 
     67 #endif  // CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_
     68