Implement mac version of AppRTCDemo.

- Refactored and moved AppRTCDemo to support sharing AppRTC connection code between iOS and mac counterparts.
- Refactored OpenGL rendering code to be shared between iOS and mac counterparts.
- iOS AppRTCDemo now respects video aspect ratio.

BUG=2168
R=fischman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17589004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6291 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/examples/objc/AppRTCDemo/mac/APPRTCAppDelegate.m

@@ -0,0 +1,77 @@
+/*
+ * libjingle
+ * Copyright 2014, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+#import "APPRTCAppDelegate.h"
+
+#import "APPRTCViewController.h"
+#import "RTCPeerConnectionFactory.h"
+
+@interface APPRTCAppDelegate () <NSWindowDelegate>
+@end
+
+@implementation APPRTCAppDelegate {
+  APPRTCViewController* _viewController;
+  NSWindow* _window;
+}
+
+#pragma mark - NSApplicationDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification*)notification {
+  [RTCPeerConnectionFactory initializeSSL];
+  NSScreen* screen = [NSScreen mainScreen];
+  NSRect visibleRect = [screen visibleFrame];
+  NSRect windowRect = NSMakeRect(NSMidX(visibleRect),
+                                 NSMidY(visibleRect),
+                                 1320,
+                                 1140);
+  NSUInteger styleMask = NSTitledWindowMask | NSClosableWindowMask;
+  _window = [[NSWindow alloc] initWithContentRect:windowRect
+                                        styleMask:styleMask
+                                          backing:NSBackingStoreBuffered
+                                            defer:NO];
+  _window.delegate = self;
+  [_window makeKeyAndOrderFront:self];
+  [_window makeMainWindow];
+  _viewController = [[APPRTCViewController alloc] initWithNibName:nil
+                                                           bundle:nil];
+  [_window setContentView:[_viewController view]];
+}
+
+#pragma mark - NSWindow
+
+- (void)windowWillClose:(NSNotification*)notification {
+  [_viewController windowWillClose:notification];
+  [RTCPeerConnectionFactory deinitializeSSL];
+  [NSApp terminate:self];
+}
+
+@end
+