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Unified Diff: ui/base/x/selection_owner.h

Issue 851853002: It is time. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Trying to reup because the last upload failed. Created 5 years, 11 months ago
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Index: ui/base/x/selection_owner.h
diff --git a/ui/base/x/selection_owner.h b/ui/base/x/selection_owner.h
deleted file mode 100644
index 6e3ac7f5a9d1439f7354ae77d1e73b2e811a7c2c..0000000000000000000000000000000000000000
--- a/ui/base/x/selection_owner.h
+++ /dev/null
@@ -1,137 +0,0 @@
-// Copyright (c) 2013 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_BASE_X_SELECTION_OWNER_H_
-#define UI_BASE_X_SELECTION_OWNER_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "ui/base/ui_base_export.h"
-#include "ui/base/x/selection_utils.h"
-#include "ui/gfx/x/x11_atom_cache.h"
-#include "ui/gfx/x/x11_types.h"
-
-namespace ui {
-
-// Owns a specific X11 selection on an X window.
-//
-// The selection owner object keeps track of which xwindow is the current
-// owner, and when its |xwindow_|, offers different data types to other
-// processes.
-class UI_BASE_EXPORT SelectionOwner {
- public:
- SelectionOwner(XDisplay* xdisplay,
- XID xwindow,
- XAtom selection_name);
- ~SelectionOwner();
-
- // Returns the current selection data. Useful for fast paths.
- const SelectionFormatMap& selection_format_map() { return format_map_; }
-
- // Appends a list of types we're offering to |targets|.
- void RetrieveTargets(std::vector<XAtom>* targets);
-
- // Attempts to take ownership of the selection. If we're successful, present
- // |data| to other windows.
- void TakeOwnershipOfSelection(const SelectionFormatMap& data);
-
- // Clears our internal format map and clears the selection owner, whether we
- // own the selection or not.
- void ClearSelectionOwner();
-
- // It is our owner's responsibility to plumb X11 events on |xwindow_| to us.
- void OnSelectionRequest(const XEvent& event);
- void OnSelectionClear(const XEvent& event);
-
- // Returns true if SelectionOwner can process the XPropertyEvent event,
- // |event|.
- bool CanDispatchPropertyEvent(const XEvent& event);
-
- void OnPropertyEvent(const XEvent& event);
-
- private:
- // Holds state related to an incremental data transfer.
- struct IncrementalTransfer {
- IncrementalTransfer(XID window,
- XAtom target,
- XAtom property,
- const scoped_refptr<base::RefCountedMemory>& data,
- int offset,
- base::TimeTicks timeout,
- int foreign_window_manager_id);
- ~IncrementalTransfer();
-
- // Parameters from the XSelectionRequest. The data is transferred over
- // |property| on |window|.
- XID window;
- XAtom target;
- XAtom property;
-
- // The data to be transferred.
- scoped_refptr<base::RefCountedMemory> data;
-
- // The offset from the beginning of |data| of the first byte to be
- // transferred in the next chunk.
- size_t offset;
-
- // Time when the transfer should be aborted because the selection requestor
- // is taking too long to notify us that we can send the next chunk.
- base::TimeTicks timeout;
-
- // Used to unselect PropertyChangeMask on |window| when we are done with
- // the data transfer.
- int foreign_window_manager_id;
- };
-
- // Attempts to convert the selection to |target|. If the conversion is
- // successful, true is returned and the result is stored in the |property|
- // of |requestor|.
- bool ProcessTarget(XAtom target, XID requestor, XAtom property);
-
- // Sends the next chunk of data for given the incremental data transfer.
- void ProcessIncrementalTransfer(IncrementalTransfer* transfer);
-
- // Aborts any incremental data transfers which have timed out.
- void AbortStaleIncrementalTransfers();
-
- // Called when the transfer at |it| has completed to do cleanup.
- void CompleteIncrementalTransfer(
- std::vector<IncrementalTransfer>::iterator it);
-
- // Returns the incremental data transfer, if any, which was waiting for
- // |event|.
- std::vector<IncrementalTransfer>::iterator FindIncrementalTransferForEvent(
- const XEvent& event);
-
- // Our X11 state.
- XDisplay* x_display_;
- XID x_window_;
-
- // The X11 selection that this instance communicates on.
- XAtom selection_name_;
-
- // The maximum size of data we can put in XChangeProperty().
- size_t max_request_size_;
-
- // The data we are currently serving.
- SelectionFormatMap format_map_;
-
- std::vector<IncrementalTransfer> incremental_transfers_;
-
- // Used to abort stale incremental data transfers.
- base::RepeatingTimer<SelectionOwner> incremental_transfer_abort_timer_;
-
- X11AtomCache atom_cache_;
-
- DISALLOW_COPY_AND_ASSIGN(SelectionOwner);
-};
-
-} // namespace ui
-
-#endif // UI_BASE_X_SELECTION_OWNER_H_
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