Copy remoting notification bar to chrome and use it for screen capture API.

chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.mm

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 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>
 
-#import "remoting/host/disconnect_window_mac.h"
+#include "chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h"
 
 #include "base/compiler_specific.h"
+#include "base/i18n/rtl.h"
+#include "base/mac/bundle_locations.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
-#include "remoting/host/disconnect_window.h"
-#include "remoting/host/ui_strings.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
 
-@interface DisconnectWindowController()
-- (BOOL)isRToL;
+@interface ScreenCaptureNotificationController()
 - (void)Hide;
 @end
 
-namespace remoting {
+class ScreenCaptureNotificationUICocoa : public ScreenCaptureNotificationUI {
+ public:
+  ScreenCaptureNotificationUICocoa();
+  virtual ~ScreenCaptureNotificationUICocoa();
 
-class DisconnectWindowMac : public remoting::DisconnectWindow {
- public:
-  explicit DisconnectWindowMac(const UiStrings* ui_strings);
-  virtual ~DisconnectWindowMac();
-
-  virtual bool Show(const base::Closure& disconnect_callback,
-                    const std::string& username) OVERRIDE;
-  virtual void Hide() OVERRIDE;
+  // ScreenCaptureNotificationUI interface.
+  virtual bool Show(const base::Closure& stop_callback,
+                    const string16& title) OVERRIDE;
 
  private:
-  DisconnectWindowController* window_controller_;
+  ScreenCaptureNotificationController* window_controller_;
 
-  // Points to the localized strings.
-  const UiStrings* ui_strings_;
-
-  DISALLOW_COPY_AND_ASSIGN(DisconnectWindowMac);
+  DISALLOW_COPY_AND_ASSIGN(ScreenCaptureNotificationUICocoa);
 };
 
-DisconnectWindowMac::DisconnectWindowMac(const UiStrings* ui_strings)
-    : window_controller_(nil),
-      ui_strings_(ui_strings) {
+ScreenCaptureNotificationUICocoa::ScreenCaptureNotificationUICocoa()
+    : window_controller_(nil) {
 }
 
-DisconnectWindowMac::~DisconnectWindowMac() {
-  Hide();
+ScreenCaptureNotificationUICocoa::~ScreenCaptureNotificationUICocoa() {
+  // ScreenCaptureNotificationController is responsible for releasing itself in
+  // its windowWillClose: method.
+  [window_controller_ Hide];
+  window_controller_ = nil;
 }
 
-bool DisconnectWindowMac::Show(const base::Closure& disconnect_callback,
-                               const std::string& username) {
-  DCHECK(!disconnect_callback.is_null());
+bool ScreenCaptureNotificationUICocoa::Show(const base::Closure& stop_callback,
+                                            const string16& title) {
+  DCHECK(!stop_callback.is_null());
   DCHECK(window_controller_ == nil);
 
   window_controller_ =
-      [[DisconnectWindowController alloc] initWithUiStrings:ui_strings_
-                                                   callback:disconnect_callback
-                                                   username:username];
+      [[ScreenCaptureNotificationController alloc]
+          initWithCallback:stop_callback
+                     title:title];
   [window_controller_ showWindow:nil];
   return true;
 }
 
-void DisconnectWindowMac::Hide() {
-  // DisconnectWindowController is responsible for releasing itself in its
-  // windowWillClose: method.
-  [window_controller_ Hide];
-  window_controller_ = nil;
+scoped_ptr<ScreenCaptureNotificationUI> ScreenCaptureNotificationUI::Create() {
+  return scoped_ptr<ScreenCaptureNotificationUI>(
+      new ScreenCaptureNotificationUICocoa());
 }
 
-scoped_ptr<DisconnectWindow> DisconnectWindow::Create(
-    const UiStrings* ui_strings) {
-  return scoped_ptr<DisconnectWindow>(new DisconnectWindowMac(ui_strings));
-}
-
-}  // namespace remoting
-
-@implementation DisconnectWindowController
-- (id)initWithUiStrings:(const remoting::UiStrings*)ui_strings
-               callback:(const base::Closure&)disconnect_callback
-               username:(const std::string&)username {
-  self = [super initWithWindowNibName:@"disconnect_window"];
+@implementation ScreenCaptureNotificationController
+- (id)initWithCallback:(const base::Closure&)stop_callback
+                 title:(const string16&)title {
+  NSString* nibpath =
+      [base::mac::FrameworkBundle() pathForResource:@"ScreenCaptureNotification"
+                                             ofType:@"nib"];
+  self = [super initWithWindowNibPath:nibpath owner:self];
   if (self) {
-    ui_strings_ = ui_strings;
-    disconnect_callback_ = disconnect_callback;
-    username_ = UTF8ToUTF16(username);
+    stop_callback_ = stop_callback;
+    title_ = title;
   }
   return self;
 }
 
 - (void)dealloc {
   [super dealloc];
 }
 
 - (IBAction)stopSharing:(id)sender {
-  if (!disconnect_callback_.is_null()) {
-    disconnect_callback_.Run();
+  if (!stop_callback_.is_null()) {
+    stop_callback_.Run();
   }
 }
 
-- (BOOL)isRToL {
-  return ui_strings_->direction == remoting::UiStrings::RTL;
-}
-
 - (void)Hide {
-  disconnect_callback_.Reset();
+  stop_callback_.Reset();
   [self close];
 }
 
 - (void)windowDidLoad {
-  string16 text = ReplaceStringPlaceholders(ui_strings_->disconnect_message,
-                                            username_, NULL);
-  [connectedToField_ setStringValue:base::SysUTF16ToNSString(text)];
+  string16 text = l10n_util::GetStringFUTF16(
+      IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_TEXT, title_);
+  [statusField_ setStringValue:base::SysUTF16ToNSString(text)];
 
-  [disconnectButton_ setTitle:base::SysUTF16ToNSString(
-      ui_strings_->disconnect_button_text)];
+  string16 button_label =
+      l10n_util::GetStringUTF16(IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_STOP);
+  [stopButton_ setTitle:base::SysUTF16ToNSString(button_label)];
 
   // Resize the window dynamically based on the content.
-  CGFloat oldConnectedWidth = NSWidth([connectedToField_ bounds]);
-  [connectedToField_ sizeToFit];
-  NSRect connectedToFrame = [connectedToField_ frame];
-  CGFloat newConnectedWidth = NSWidth(connectedToFrame);
+  CGFloat oldConnectedWidth = NSWidth([statusField_ bounds]);
+  [statusField_ sizeToFit];
+  NSRect statusFrame = [statusField_ frame];
+  CGFloat newConnectedWidth = NSWidth(statusFrame);
 
   // Set a max width for the connected to text field.
-  if (newConnectedWidth >
-      remoting::DisconnectWindow::kMaximumConnectedNameWidthInPixels) {
-    newConnectedWidth
-        = remoting::DisconnectWindow::kMaximumConnectedNameWidthInPixels;
-    connectedToFrame.size.width = newConnectedWidth;
-    [connectedToField_ setFrame:connectedToFrame];
+  const int kMaximumStatusWidth = 400;
+  if (newConnectedWidth > kMaximumStatusWidth) {
+    newConnectedWidth = kMaximumStatusWidth;
+    statusFrame.size.width = newConnectedWidth;
+    [statusField_ setFrame:statusFrame];
   }
 
-  CGFloat oldDisconnectWidth = NSWidth([disconnectButton_ bounds]);
-  [disconnectButton_ sizeToFit];
-  NSRect disconnectFrame = [disconnectButton_ frame];
-  CGFloat newDisconnectWidth = NSWidth(disconnectFrame);
+  CGFloat oldstopWidth = NSWidth([stopButton_ bounds]);
+  [stopButton_ sizeToFit];
+  NSRect stopFrame = [stopButton_ frame];
+  CGFloat newStopWidth = NSWidth(stopFrame);
 
-  // Move the disconnect button appropriately.
-  disconnectFrame.origin.x += newConnectedWidth - oldConnectedWidth;
-  [disconnectButton_ setFrame:disconnectFrame];
+  // Move the stop button appropriately.
+  stopFrame.origin.x += newConnectedWidth - oldConnectedWidth;
+  [stopButton_ setFrame:stopFrame];
 
-  // Then resize the window appropriately
+  // Then resize the window appropriately.
   NSWindow *window = [self window];
   NSRect windowFrame = [window frame];
   windowFrame.size.width += (newConnectedWidth - oldConnectedWidth +
-                             newDisconnectWidth - oldDisconnectWidth);
+                             newStopWidth - oldstopWidth);
   [window setFrame:windowFrame display:NO];
 
-  if ([self isRToL]) {
+  if (base::i18n::IsRTL()) {
     // Handle right to left case
-    CGFloat buttonInset = NSWidth(windowFrame) - NSMaxX(disconnectFrame);
+    CGFloat buttonInset = NSWidth(windowFrame) - NSMaxX(stopFrame);
     CGFloat buttonTextSpacing
-        = NSMinX(disconnectFrame) - NSMaxX(connectedToFrame);
-    disconnectFrame.origin.x = buttonInset;
-    connectedToFrame.origin.x = NSMaxX(disconnectFrame) + buttonTextSpacing;
-    [connectedToField_ setFrame:connectedToFrame];
-    [disconnectButton_ setFrame:disconnectFrame];
+        = NSMinX(stopFrame) - NSMaxX(statusFrame);
+    stopFrame.origin.x = buttonInset;
+    statusFrame.origin.x = NSMaxX(stopFrame) + buttonTextSpacing;
+    [statusField_ setFrame:statusFrame];
+    [stopButton_ setFrame:stopFrame];
   }
 
   // Center the window at the bottom of the screen, above the dock (if present).
   NSRect desktopRect = [[NSScreen mainScreen] visibleFrame];
   NSRect windowRect = [[self window] frame];
   CGFloat x = (NSWidth(desktopRect) - NSWidth(windowRect)) / 2;
   CGFloat y = NSMinY(desktopRect);
   [[self window] setFrameOrigin:NSMakePoint(x, y)];
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
   [self stopSharing:self];
   [self autorelease];
 }
 
 @end
 
 
-@interface DisconnectWindow()
-- (BOOL)isRToL;
-@end
-
-@implementation DisconnectWindow
-
+@implementation ScreenCaptureNotificationWindow
 - (id)initWithContentRect:(NSRect)contentRect
                 styleMask:(NSUInteger)aStyle
                   backing:(NSBackingStoreType)bufferingType
-                  defer:(BOOL)flag {
+                    defer:(BOOL)flag {
   // Pass NSBorderlessWindowMask for the styleMask to remove the title bar.
   self = [super initWithContentRect:contentRect
                           styleMask:NSBorderlessWindowMask
                             backing:bufferingType
                               defer:flag];
 
   if (self) {
     // Set window to be clear and non-opaque so we can see through it.
     [self setBackgroundColor:[NSColor clearColor]];
     [self setOpaque:NO];
     [self setMovableByWindowBackground:YES];
 
     // Pull the window up to Status Level so that it always displays.
     [self setLevel:NSStatusWindowLevel];
   }
   return self;
 }
-
-- (BOOL)isRToL {
-  DCHECK([[self windowController] respondsToSelector:@selector(isRToL)]);
-  return [[self windowController] isRToL];
-}
-
 @end
 
-
-@interface DisconnectView()
-- (BOOL)isRToL;
-@end
-
-@implementation DisconnectView
-
-- (BOOL)isRToL {
-  DCHECK([[self window] isKindOfClass:[DisconnectWindow class]]);
-  return [static_cast<DisconnectWindow*>([self window]) isRToL];
-}
-
+@implementation ScreenCaptureNotificationView
 - (void)drawRect:(NSRect)rect {
   // All magic numbers taken from screen shots provided by UX.
   NSRect bounds = NSInsetRect([self bounds], 1, 1);
 
   NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:bounds
                                                        xRadius:5
                                                        yRadius:5];
   NSColor *gray = [NSColor colorWithCalibratedWhite:0.91 alpha:1.0];
   [gray setFill];
   [path fill];
@@ skipping 13 matching lines @@
 
   NSColor *dark = [NSColor colorWithCalibratedWhite:0.70 alpha:1.0];
   NSColor *light = [NSColor colorWithCalibratedWhite:0.97 alpha:1.0];
 
   // Turn off aliasing so it's nice and crisp.
   NSGraphicsContext *context = [NSGraphicsContext currentContext];
   BOOL alias = [context shouldAntialias];
   [context setShouldAntialias:NO];
 
   // Handle bidirectional locales properly.
-  CGFloat inset = [self isRToL] ? NSMaxX(bounds) - kBaseInset - kDragHandleWidth
-                                : kBaseInset;
+  CGFloat inset = base::i18n::IsRTL() ?
+      NSMaxX(bounds) - kBaseInset - kDragHandleWidth : kBaseInset;
 
   NSPoint top = NSMakePoint(inset, NSMidY(bounds) - kHeight / 2.0);
   NSPoint bottom = NSMakePoint(inset, top.y + kHeight);
 
   path = [NSBezierPath bezierPath];
   [path moveToPoint:top];
   [path lineToPoint:bottom];
   [dark setStroke];
   [path stroke];
 
@@ skipping 18 matching lines @@
   path = [NSBezierPath bezierPath];
   [path moveToPoint:top];
   [path lineToPoint:bottom];
   [light setStroke];
   [path stroke];
 
   [context setShouldAntialias:alias];
 }
 
 @end