Panels: Adding 3-step animation on minimize on Linux

chrome/browser/ui/panels/panel_window_controller_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/panels/panel_window_controller_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 10 matching lines @@
 #import "chrome/browser/ui/cocoa/event_utils.h"
 #import "chrome/browser/ui/cocoa/find_bar/find_bar_bridge.h"
 #import "chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.h"
 #import "chrome/browser/ui/cocoa/menu_controller.h"
 #import "chrome/browser/ui/cocoa/tab_contents/favicon_util.h"
 #import "chrome/browser/ui/cocoa/tabs/throbber_view.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_browser_window_cocoa.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/browser/ui/panels/panel_settings_menu_model.h"
+#include "chrome/browser/ui/panels/panel_slide_animation.h"
 #import "chrome/browser/ui/panels/panel_titlebar_view_cocoa.h"
 #include "chrome/browser/ui/toolbar/encoding_menu_controller.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/ui_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/mac/nsimage_cache.h"
@@ skipping 427 matching lines @@
     }
   }
   [boundsAnimation_ setDuration: duration];
   [boundsAnimation_ setFrameRate:0.0];
   [boundsAnimation_ setAnimationBlockingMode: NSAnimationNonblocking];
   [boundsAnimation_ startAnimation];
 }
 
 - (float)animation:(NSAnimation*)animation
   valueForProgress:(NSAnimationProgress)progress {
-  if (!playingMinimizeAnimation_) {
-    // Cubic easing out.
-    float value = 1.0 - progress;
-    return 1.0 - value * value * value;
-  }
-
-  // Minimize animation:
-  // 1. Quickly (0 -> 0.15) make only titlebar visible.
-  // 2. Stay a little bit (0.15->0.6) in place, just showing titlebar.
-  // 3. Slowly minimize to thin strip (0.6->1.0)
-  const float kAnimationStopAfterQuickDecrease = 0.15;
-  const float kAnimationStopAfterShowingTitlebar = 0.6;
-  float value;
-  if (progress <= kAnimationStopAfterQuickDecrease) {
-      value = progress * animationStopToShowTitlebarOnly_ /
-              kAnimationStopAfterQuickDecrease;
-  } else if (progress <= kAnimationStopAfterShowingTitlebar) {
-      value = animationStopToShowTitlebarOnly_;
-  } else {
-      value = animationStopToShowTitlebarOnly_ +
-          (progress - kAnimationStopAfterShowingTitlebar) *
-          (1.0 - animationStopToShowTitlebarOnly_) /
-          (1.0 - kAnimationStopAfterShowingTitlebar);
-  }
-  return value;
+  return PanelSlideAnimation::ComputeAnimationValue(
+      progress, playingMinimizeAnimation_, animationStopToShowTitlebarOnly_);
 }
 
 - (void)animationDidEnd:(NSAnimation*)animation {
   playingMinimizeAnimation_ = NO;
   if (windowShim_->panel()->expansion_state() == Panel::EXPANDED)
     [self enableTabContentsViewAutosizing];
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_BOUNDS_ANIMATIONS_FINISHED,
       content::Source<Panel>(windowShim_->panel()),
@@ skipping 106 matching lines @@
 - (BOOL)canBecomeKeyWindow {
   // Panel can only gain focus if it is expanded. Minimized panels do not
   // participate in Cmd-~ rotation.
   // TODO(dimich): If it will be ever desired to expand/focus the Panel on
   // keyboard navigation or via main menu, the care should be taken to avoid
   // cases when minimized Panel is getting keyboard input, invisibly.
   return windowShim_->panel()->expansion_state() == Panel::EXPANDED;
 }
 
 @end