Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_manager.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_manager.h"
+
+#include "components/bubble/bubble_delegate.h"
+
+BubbleManager::BubbleManager() {}
+
+BubbleManager::~BubbleManager() {
+  // The delegate should NOT outlive the manager. When a delegate is destroyed
+  // it should hide itself. This means that when the bubble manager is being
+  // destroyed there should be no visible bubbles.
+  DCHECK_EQ(controllers_.size(), 0);
+}
+
+BubbleReference BubbleManager::ShowBubble(scoped_ptr<BubbleDelegate> bubble) {
+  DCHECK(bubble);
+  DCHECK(bubble->GetContext());
+
+  BubbleReference bubble_ref = bubble->AsWeakPtr();
+  scoped_ptr<BubbleController> controller(
+      new BubbleController(this, bubble.Pass()));
+
+  controller->Show();
+  controllers_.push_back(controller.Pass());
+
+  // TODO(hcarmona): log that bubble was shown.
+  return bubble_ref;
+}
+
+void BubbleManager::HideBubble(BubbleReference delegate) {
+  for (auto iter = controllers_.begin(); iter != controllers_.end(); ++iter) {
+    if ((*iter)->IsOwnerOf(delegate.get())) {
+      // TODO(hcarmona): log that bubble was hidden.
+      (*iter)->Hide(BUBBLE_CLOSE_IGNORE);
+      controllers_.erase(iter);
+      return;
+    }
+  }
+
+  // Hidden/unmanaged bubbles should not be hidden: this could indicate a bug.
+  NOTREACHED();
+}
+
+bool BubbleManager::IsBubbleVisible(BubbleReference bubble) {
+  // TODO(hcarmona): Fix this or remove it, if clients don't need to know.
+  return false;
+}
+
+void BubbleManager::ShowMatchingBubbles(void* context) {
+  if (!context)
+    return;
+
+  for (auto iter = controllers_.begin(); iter != controllers_.end(); ++iter) {
+    if ((*iter)->MatchesContext(context)) {
+      // TODO(hcarmona): log that bubble was hidden.
+      (*iter)->Show();
+    }
+  }
+}
+
+void BubbleManager::HideMatchingBubbles(void* context,
+                                        BubbleCloseReason reason) {
+  if (!context)
+    return;
+
+  for (auto iter = controllers_.begin(); iter != controllers_.end();) {
+    if ((*iter)->MatchesContext(context)) {
+      // TODO(hcarmona): log that bubble was hidden.
+      (*iter)->Hide(reason);
+      iter = controllers_.erase(iter);
+    } else {
+      ++iter;
+    }
+  }
+}
+
+void BubbleManager::UpdateMatchingBubbles(void* context) {
+  if (!context)
+    return;
+
+  for (auto iter = controllers_.begin(); iter != controllers_.end(); ++iter) {
+    if ((*iter)->MatchesContext(context))
+      (*iter)->UpdateAnchorPosition();
+  }
+}