Views Bubble API adjustments and cleanup

views/bubble/bubble_view.cc

 // 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 "views/bubble/bubble_view.h"
 
 #include "ui/base/animation/slide_animation.h"
 #include "views/bubble/bubble_border.h"
-#include "views/controls/label.h"
-#include "views/layout/box_layout.h"
-#include "views/layout/layout_constants.h"
-#include "views/views_delegate.h"
-#include "views/window/client_view.h"
 #include "views/widget/widget.h"
 
-// How long the fade should last for.
+// The duration of the fade animation in milliseconds.
 static const int kHideFadeDurationMS = 1000;
 
 namespace views {
 
 BubbleView::BubbleView(Widget* owner, View* contents_view)
     : ClientView(owner, contents_view),
-      animation_delegate_(NULL),
-      registered_accelerator_(false),
-      should_fade_(false) {
-  ResetLayoutManager();
-  InitAnimation();
+      close_on_esc_(true) {
+  AddAccelerator(Accelerator(ui::VKEY_ESCAPE, 0));
 }
 
-void BubbleView::InitAnimation() {
-  fade_animation_.reset(new ui::SlideAnimation(this));
-  fade_animation_->SetSlideDuration(kHideFadeDurationMS);
-  fade_animation_->Reset(1.0);
-}
-
-BubbleView* BubbleView::AsBubbleView() { return this; }
-const BubbleView* BubbleView::AsBubbleView() const { return this; }
-
 BubbleView::~BubbleView() {}
 
-void BubbleView::Show() {
-  if (!registered_accelerator_)
-    registered_accelerator_ = true;
-  GetWidget()->Show();
-  GetWidget()->Activate();
-  SchedulePaint();
-}
-
-void BubbleView::StartFade() {
-  should_fade_ = true;
-  fade_animation_->Hide();
-}
-
-void BubbleView::ResetLayoutManager() {
-  SetLayoutManager(new views::BoxLayout(
-      views::BoxLayout::kHorizontal, 0, 0, 1));
-}
-
-void BubbleView::set_animation_delegate(ui::AnimationDelegate* delegate) {
-  animation_delegate_ = delegate;
-}
-
-void BubbleView::ViewHierarchyChanged(bool is_add,
-                                      views::View* parent,
-                                      views::View* child) {
-  if (is_add && parent == this)
-    child->SetBoundsRect(bounds());
-}
-
-void BubbleView::Layout() {
-  gfx::Rect lb = GetContentsBounds();
-  contents_view()->SetBoundsRect(lb);
-  contents_view()->Layout();
-}
-
-gfx::Size BubbleView::GetPreferredSize() {
-  return bounds().size();
+void BubbleView::StartFade(bool fade_in) {
+  fade_animation_.reset(new ui::SlideAnimation(this));
+  fade_animation_->SetSlideDuration(kHideFadeDurationMS);
+  fade_animation_->Reset(fade_in ? 0.0 : 1.0);
+  if (fade_in) {
+    GetWidget()->SetOpacity(0);
+    GetWidget()->Show();
+    fade_animation_->Show();
+  } else {
+    fade_animation_->Hide();
+  }
 }
 
 bool BubbleView::AcceleratorPressed(const Accelerator& accelerator) {
-  if (registered_accelerator_) {
-    GetWidget()->GetFocusManager()->UnregisterAccelerator(
-        views::Accelerator(ui::VKEY_ESCAPE, false, false, false), this);
-    registered_accelerator_ = false;
-  }
-  // Turn off animation, if any.
-  if (should_fade_ && fade_animation_->is_animating()) {
-    fade_animation_->Reset(1.0);
-    fade_animation_->Show();
-  }
+  if (!close_on_esc_ || accelerator.key_code() != ui::VKEY_ESCAPE)
+    return false;
+  if (fade_animation_.get())
+    fade_animation_->Reset();
   GetWidget()->Close();
   return true;
 }
 
 void BubbleView::AnimationEnded(const ui::Animation* animation) {
-  if (animation_delegate_)
-    animation_delegate_->AnimationEnded(animation);
-
-  fade_animation_->Reset(0.0);
-  // Close the widget.
-  registered_accelerator_ = false;
-  GetWidget()->Close();
+  DCHECK_EQ(animation, fade_animation_.get());
+  bool closed = fade_animation_->GetCurrentValue() == 0;
+  fade_animation_->Reset();
+  if (closed)
+    GetWidget()->Close();
 }
 
 void BubbleView::AnimationProgressed(const ui::Animation* animation) {
-  if (fade_animation_->is_animating()) {
-    if (animation_delegate_)
-      animation_delegate_->AnimationProgressed(animation);
-
-    GetWidget()->SetOpacity(animation->GetCurrentValue() * 255);
-    SchedulePaint();
-  }
+  DCHECK_EQ(animation, fade_animation_.get());
+  DCHECK(fade_animation_->is_animating());
+  GetWidget()->SetOpacity(fade_animation_->GetCurrentValue() * 255);
+  SchedulePaint();
 }
 
 }  // namespace views