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Unified Diff: ui/aura/mus/window_mus.h

Issue 2445163002: Make aura work with mus (Closed)
Patch Set: NON_EXPORTED_BASE_CLASS Created 4 years, 2 months ago
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Index: ui/aura/mus/window_mus.h
diff --git a/ui/aura/mus/window_mus.h b/ui/aura/mus/window_mus.h
new file mode 100644
index 0000000000000000000000000000000000000000..d9657966e64f4bcdf55f5ddd7b7fb66f5a1ed53c
--- /dev/null
+++ b/ui/aura/mus/window_mus.h
@@ -0,0 +1,88 @@
+// Copyright 2016 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 UI_AURA_MUS_WINDOW_MUS_H_
+#define UI_AURA_MUS_WINDOW_MUS_H_
+
+#include <stdint.h>
+
+#include <string>
+#include <vector>
+
+#include "services/ui/public/interfaces/cursor.mojom.h"
+#include "ui/aura/aura_export.h"
+#include "ui/aura/mus/mus_types.h"
+
+namespace gfx {
+class Rect;
+}
+
+namespace ui {
+namespace mojom {
+enum class OrderDirection;
+}
+}
+
+namespace aura {
+
+struct SurfaceInfo;
+class Window;
+class WindowTreeClient;
+
+// WindowMus defines the interface used by WindowTreeClient to modify
+// the underlying Window. It's defined as a separate interface to make it clear
+// that any changes that WindowTreeClient makes must be propagated through
+// this interface so that they don't result in bouncing back to
+// WindowTreeClient. For example, if the server change the bounds care must be
+// taken that when the change is applied to the Window the server isn't asked to
+// change the bounds too. See WindowPortMus for details.
+class AURA_EXPORT WindowMus {
+ public:
+ virtual ~WindowMus() {}
+
+ // Returns the WindowMus associated with |window|.
+ static WindowMus* Get(Window* window);
+
+ Id server_id() const { return server_id_; }
+
+ // Top level windows may have a root window with no associated server window.
+ // This happens because the client creates the top level window first, and
+ // then the WindowTreeHost. Each WindowTreeHost has a Window, so the
+ // WindowTreeHost for top-levels has no server window.
+ bool has_server_window() const { return server_id() != kInvalidServerId; }
+
+ virtual Window* GetWindow() = 0;
+
+ // These functions are called in response to a change from the server. The
+ // expectation is that in calling these WindowTreeClient is not called
+ // back. For example, SetBoundsFromServer() should not result in calling back
+ // to WindowTreeClient::OnWindowMusBoundsChanged().
+ virtual void AddChildFromServer(WindowMus* window) = 0;
+ virtual void RemoveChildFromServer(WindowMus* child) = 0;
+ virtual void ReorderFromServer(WindowMus* child,
+ WindowMus* relative,
+ ui::mojom::OrderDirection) = 0;
+ virtual void SetBoundsFromServer(const gfx::Rect& bounds) = 0;
+ virtual void SetVisibleFromServer(bool visible) = 0;
+ virtual void SetOpacityFromServer(float opacity) = 0;
+ virtual void SetPredefinedCursorFromServer(ui::mojom::Cursor cursor) = 0;
+ virtual void SetPropertyFromServer(const std::string& property_name,
+ const std::vector<uint8_t>* data) = 0;
+ virtual void SetSurfaceIdFromServer(
+ std::unique_ptr<SurfaceInfo> surface_info) = 0;
+
+ virtual void NotifyEmbeddedAppDisconnected() = 0;
+
+ private:
+ // Just for set_server_id(), which other places should not call.
+ friend class WindowTreeClient;
+
+ void set_server_id(Id id) { server_id_ = id; }
+
+ Id server_id_ = kInvalidServerId;
+};
+
+} // namespace aura
+
+#endif // UI_AURA_MUS_WINDOW_MUS_H_
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