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 <vector>
+
+#include "components/bubble/bubble_controller.h"
+
+BubbleManager::~BubbleManager() {}
+
+BubbleReference BubbleManager::ShowBubble(scoped_ptr<BubbleDelegate> bubble) {
+  DCHECK(bubble);
+  scoped_ptr<BubbleController> controller(new BubbleController(bubble.Pass()));
+
+  BubbleReference bubble_ref = controller->AsWeakPtr();
+  ShowBubbleUI(bubble_ref);
+
+  controllers_.push_back(controller.Pass());
+  return bubble_ref;
+}
+
+bool BubbleManager::CloseBubble(BubbleReference bubble,
+                                BubbleCloseReason reason) {
+  for (auto iter = controllers_.begin(); iter != controllers_.end(); ++iter) {
+    if (*iter == bubble.get()) {
+      if (ShouldClose((*iter)->AsWeakPtr(), reason)) {
+        // Remove the controller before attempting to delete because some
+        // delegates may chain showing more bubbles.
+        BubbleController* controller = *iter;
+        controllers_.weak_erase(iter);
+        delete controller;
+        return true;
+      }
+      return false;
+    }
+  }
+
+  // Attempting to close a bubble that is already closed or that this manager
+  // doesn't own is a bug.
+  NOTREACHED();
+  return false;
+}
+
+void BubbleManager::UpdateAllBubbleAnchors() {
+  for (auto controller : controllers_) {
+    UpdateAnchorPosition(controller->AsWeakPtr());
+  }
+}
+
+BubbleManager::BubbleManager() {}
+
+void BubbleManager::CloseAllBubbles(BubbleCloseReason reason) {
+  std::vector<BubbleController*> closing;
+
+  for (auto iter = controllers_.begin(); iter != controllers_.end();) {
+    if (ShouldClose((*iter)->AsWeakPtr(), reason)) {
+      // Remove the controllers before attempting to delete because some
+      // delegates may chain showing more bubbles.
+      closing.push_back(*iter);
+      iter = controllers_.weak_erase(iter);
+      continue;
+    }
+    ++iter;
+  }
+
+  for (auto iter : closing) {
+    delete iter;
+    // No need to remove from the vector after deleting.
+  }
+}
+
+void BubbleManager::ShowBubbleUI(base::WeakPtr<BubbleController> controller) {
+  controller->Show();
+}
+
+bool BubbleManager::ShouldClose(base::WeakPtr<BubbleController> controller,
+                                BubbleCloseReason reason) {
+  return controller->ShouldClose(reason);
+}
+
+void BubbleManager::UpdateAnchorPosition(
+    base::WeakPtr<BubbleController> controller) {
+  controller->UpdateAnchorPosition();
+}