Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_controller.cc

+// Copyright 2015 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 "components/bubble/bubble_controller.h"
+
+#include "components/bubble/bubble_delegate.h"
+#include "components/bubble/bubble_ui.h"
+
+BubbleController::BubbleController(scoped_ptr<BubbleDelegate> delegate)
+    : delegate_(delegate.Pass()), bubble_ui_(nullptr), weak_ptr_factory_(this) {

[msw, 2015/08/18 17:26:19]

nit: remove the bubble_ui_(nullptr) init, scoped_ptr does this for you.

[hcarmona, 2015/08/18 23:08:48]

Done.

+  DCHECK(delegate_);
+}
+
+BubbleController::~BubbleController() {
+  // Necessary so that any BubbleReferences are cleaned up in case a
+  // BubbleDelegate needs to chain showing bubbles when it's deleted.
+  weak_ptr_factory_.InvalidateWeakPtrs();
+
+  if (bubble_ui_)
+    ShouldClose(BUBBLE_CLOSE_FORCED);
+}
+
+void BubbleController::Show() {
+  DCHECK(!bubble_ui_);
+  bubble_ui_ = delegate_->BuildBubbleUI();
+  DCHECK(bubble_ui_);
+  bubble_ui_->Show();
+  // TODO(hcarmona): log that bubble was shown.
+}
+
+void BubbleController::UpdateAnchorPosition() {
+  DCHECK(bubble_ui_);
+  bubble_ui_->UpdateAnchorPosition();
+}
+
+bool BubbleController::ShouldClose(BubbleCloseReason reason) {
+  DCHECK(bubble_ui_);
+  if (delegate_->ShouldClose(reason) || reason == BUBBLE_CLOSE_FORCED) {
+    bubble_ui_->Close();
+    bubble_ui_.reset();
+    // TODO(hcarmona): log that bubble was hidden.
+    return true;
+  }
+  return false;
+}
+
+base::WeakPtr<BubbleController> BubbleController::AsWeakPtr() {
+  return weak_ptr_factory_.GetWeakPtr();
+}