blob: a6ad8fece7d1928f0866f139e32d407a116f5951 [file] [log] [blame]
// Copyright 2017 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 <memory>
#include "base/macros.h"
#include "base/unguessable_token.h"
#include "components/viz/common/surfaces/local_surface_id.h"
#include "services/ws/common/types.h"
#include "ui/gfx/geometry/rect.h"
namespace ws {
namespace mojom {
class WindowTree;
} // namespace ui
namespace content {
class MusEmbeddedFrameDelegate;
class RendererWindowTreeClient;
// MusEmbeddedFrame represents an embedding of an OOPIF frame. Internally this
// creates a window in the window server and calls Embed().
class MusEmbeddedFrame {
// Sets the bounds (in pixels) of the embedded frame.
void SetWindowBounds(const viz::LocalSurfaceId& local_surface_id,
const gfx::Rect& bounds);
friend class RendererWindowTreeClient;
// Stores state that needs to pushed to the server once the connection has
// been established (OnEmbed() is called).
struct PendingState {
base::UnguessableToken token;
viz::LocalSurfaceId local_surface_id;
gfx::Rect bounds;
// True if SetWindowBounds() was called.
bool was_set_window_bounds_called = false;
MusEmbeddedFrame(RendererWindowTreeClient* renderer_window_tree_client,
MusEmbeddedFrameDelegate* delegate,
ws::ClientSpecificId window_id,
const base::UnguessableToken& token);
// Called once the WindowTree has been obtained. This is only called if
// the MusEmbeddedFrame is created before the WindowTree has been obtained.
void OnTreeAvailable();
// Called when the WindowTree held by |renderer_window_tree_client_| is about
// to change. This means the renderer was reembeded.
void OnTreeWillChange();
// Does the actual embedding.
void CreateChildWindowAndEmbed(const base::UnguessableToken& token);
uint32_t GetAndAdvanceNextChangeId();
ws::mojom::WindowTree* window_tree();
RendererWindowTreeClient* renderer_window_tree_client_;
MusEmbeddedFrameDelegate* delegate_;
const ws::ClientSpecificId window_id_;
std::unique_ptr<PendingState> pending_state_;
// If set, the WindowTree that state was created on has changed.
bool tree_changed_ = false;
} // namespace content