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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 COMPONENTS_MUS_WS_TEST_CHANGE_TRACKER_H_
#define COMPONENTS_MUS_WS_TEST_CHANGE_TRACKER_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "base/macros.h"
#include "components/mus/common/types.h"
#include "components/mus/public/interfaces/window_tree.mojom.h"
#include "mojo/public/cpp/bindings/array.h"
#include "ui/mojo/geometry/geometry.mojom.h"
namespace mus {
namespace ws {
enum ChangeType {
CHANGE_TYPE_EMBED,
CHANGE_TYPE_EMBEDDED_APP_DISCONNECTED,
CHANGE_TYPE_UNEMBED,
CHANGE_TYPE_LOST_CAPTURE,
// TODO(sky): nuke NODE.
CHANGE_TYPE_NODE_ADD_TRANSIENT_WINDOW,
CHANGE_TYPE_NODE_BOUNDS_CHANGED,
CHANGE_TYPE_NODE_VIEWPORT_METRICS_CHANGED,
CHANGE_TYPE_NODE_HIERARCHY_CHANGED,
CHANGE_TYPE_NODE_REMOVE_TRANSIENT_WINDOW_FROM_PARENT,
CHANGE_TYPE_NODE_REORDERED,
CHANGE_TYPE_NODE_VISIBILITY_CHANGED,
CHANGE_TYPE_NODE_DRAWN_STATE_CHANGED,
CHANGE_TYPE_NODE_DELETED,
CHANGE_TYPE_INPUT_EVENT,
CHANGE_TYPE_PROPERTY_CHANGED,
CHANGE_TYPE_FOCUSED,
CHANGE_TYPE_CURSOR_CHANGED,
CHANGE_TYPE_ON_CHANGE_COMPLETED,
CHANGE_TYPE_ON_TOP_LEVEL_CREATED,
};
// TODO(sky): consider nuking and converting directly to WindowData.
struct TestWindow {
TestWindow();
TestWindow(const TestWindow& other);
~TestWindow();
// Returns a string description of this.
std::string ToString() const;
// Returns a string description that includes visible and drawn.
std::string ToString2() const;
Id parent_id;
Id window_id;
bool visible;
bool drawn;
std::map<std::string, std::vector<uint8_t>> properties;
};
// Tracks a call to WindowTreeClient. See the individual functions for the
// fields that are used.
struct Change {
Change();
Change(const Change& other);
~Change();
ChangeType type;
ConnectionSpecificId connection_id;
std::vector<TestWindow> windows;
Id window_id;
Id window_id2;
Id window_id3;
mojo::Rect bounds;
mojo::Rect bounds2;
int32_t event_action;
mojo::String embed_url;
mojom::OrderDirection direction;
bool bool_value;
std::string property_key;
std::string property_value;
int32_t cursor_id;
uint32_t change_id;
};
// Converts Changes to string descriptions.
std::vector<std::string> ChangesToDescription1(
const std::vector<Change>& changes);
// Convenience for returning the description of the first item in |changes|.
// Returns an empty string if |changes| has something other than one entry.
std::string SingleChangeToDescription(const std::vector<Change>& changes);
// Convenience for returning the description of the first item in |windows|.
// Returns an empty string if |windows| has something other than one entry.
std::string SingleWindowDescription(const std::vector<TestWindow>& windows);
// Returns a string description of |changes[0].windows|. Returns an empty string
// if change.size() != 1.
std::string ChangeWindowDescription(const std::vector<Change>& changes);
// Converts WindowDatas to TestWindows.
void WindowDatasToTestWindows(const mojo::Array<mojom::WindowDataPtr>& data,
std::vector<TestWindow>* test_windows);
// TestChangeTracker is used to record WindowTreeClient 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 WindowTreeClient 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
// WindowTreeClient function.
void OnEmbed(ConnectionSpecificId connection_id, mojom::WindowDataPtr root);
void OnEmbeddedAppDisconnected(Id window_id);
void OnUnembed(Id window_id);
void OnLostCapture(Id window_id);
void OnTransientWindowAdded(Id window_id, Id transient_window_id);
void OnTransientWindowRemoved(Id window_id, Id transient_window_id);
void OnWindowBoundsChanged(Id window_id,
mojo::RectPtr old_bounds,
mojo::RectPtr new_bounds);
void OnWindowViewportMetricsChanged(mojom::ViewportMetricsPtr old_bounds,
mojom::ViewportMetricsPtr new_bounds);
void OnWindowHierarchyChanged(Id window_id,
Id new_parent_id,
Id old_parent_id,
mojo::Array<mojom::WindowDataPtr> windows);
void OnWindowReordered(Id window_id,
Id relative_window_id,
mojom::OrderDirection direction);
void OnWindowDeleted(Id window_id);
void OnWindowVisibilityChanged(Id window_id, bool visible);
void OnWindowDrawnStateChanged(Id window_id, bool drawn);
void OnWindowInputEvent(Id window_id, mojom::EventPtr event);
void OnWindowSharedPropertyChanged(Id window_id,
mojo::String name,
mojo::Array<uint8_t> data);
void OnWindowFocused(Id window_id);
void OnWindowPredefinedCursorChanged(Id window_id, mojom::Cursor cursor_id);
void OnChangeCompleted(uint32_t change_id, bool success);
void OnTopLevelCreated(uint32_t change_id, mojom::WindowDataPtr window_data);
private:
void AddChange(const Change& change);
Delegate* delegate_;
std::vector<Change> changes_;
DISALLOW_COPY_AND_ASSIGN(TestChangeTracker);
};
} // namespace ws
} // namespace mus
#endif // COMPONENTS_MUS_WS_TEST_CHANGE_TRACKER_H_
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