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// Copyright 2014 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.
#ifndef MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_
#define MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_
#include <string>
#include <vector>
#include "mojo/public/cpp/bindings/array.h"
#include "mojo/services/public/cpp/view_manager/types.h"
#include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
#include "ui/gfx/rect.h"
namespace mojo {
namespace view_manager {
namespace service {
enum ChangeType {
CHANGE_TYPE_CONNECTION_ESTABLISHED,
CHANGE_TYPE_ROOTS_ADDED,
CHANGE_TYPE_NODE_BOUNDS_CHANGED,
CHANGE_TYPE_NODE_HIERARCHY_CHANGED,
CHANGE_TYPE_NODE_REORDERED,
CHANGE_TYPE_NODE_DELETED,
CHANGE_TYPE_VIEW_DELETED,
CHANGE_TYPE_VIEW_REPLACED,
CHANGE_TYPE_INPUT_EVENT,
};
// TODO(sky): consider nuking and converting directly to NodeData.
struct TestNode {
// Returns a string description of this.
std::string ToString() const;
Id parent_id;
Id node_id;
Id view_id;
};
// Tracks a call to ViewManagerClient. See the individual functions for the
// fields that are used.
struct Change {
Change();
~Change();
ChangeType type;
ConnectionSpecificId connection_id;
std::vector<TestNode> nodes;
Id node_id;
Id node_id2;
Id node_id3;
Id view_id;
Id view_id2;
gfx::Rect bounds;
gfx::Rect bounds2;
int32 event_action;
String creator_url;
OrderDirection direction;
};
// Converts Changes to string descriptions.
std::vector<std::string> ChangesToDescription1(
const std::vector<Change>& changes);
// Returns a string description of |changes[0].nodes|. Returns an empty string
// if change.size() != 1.
std::string ChangeNodeDescription(const std::vector<Change>& changes);
// Converts NodeDatas to TestNodes.
void NodeDatasToTestNodes(const Array<NodeDataPtr>& data,
std::vector<TestNode>* test_nodes);
// TestChangeTracker is used to record ViewManagerClient functions. It notifies
// a delegate any time a change is added.
class TestChangeTracker {
public:
// Used to notify the delegate when a change is added. A change corresponds to
// a single ViewManagerClient function.
class Delegate {
public:
virtual void OnChangeAdded() = 0;
protected:
virtual ~Delegate() {}
};
TestChangeTracker();
~TestChangeTracker();
void set_delegate(Delegate* delegate) { delegate_ = delegate; }
std::vector<Change>* changes() { return &changes_; }
// Each of these functions generate a Change. There is one per
// ViewManagerClient function.
void OnViewManagerConnectionEstablished(ConnectionSpecificId connection_id,
const String& creator_url,
Array<NodeDataPtr> nodes);
void OnRootAdded(Array<NodeDataPtr> nodes);
void OnNodeBoundsChanged(Id node_id, RectPtr old_bounds, RectPtr new_bounds);
void OnNodeHierarchyChanged(Id node_id,
Id new_parent_id,
Id old_parent_id,
Array<NodeDataPtr> nodes);
void OnNodeReordered(Id node_id,
Id relative_node_id,
OrderDirection direction);
void OnNodeDeleted(Id node_id);
void OnViewDeleted(Id view_id);
void OnNodeViewReplaced(Id node_id, Id new_view_id, Id old_view_id);
void OnViewInputEvent(Id view_id, EventPtr event);
private:
void AddChange(const Change& change);
Delegate* delegate_;
std::vector<Change> changes_;
DISALLOW_COPY_AND_ASSIGN(TestChangeTracker);
};
} // namespace service
} // namespace view_manager
} // namespace mojo
#endif // MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_
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