1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef ASH_DISPLAY_DISPLAY_LAYOUT_STORE_H_ 6 #define ASH_DISPLAY_DISPLAY_LAYOUT_STORE_H_ 7 8 #include <map> 9 10 #include "ash/ash_export.h" 11 #include "ash/display/display_layout.h" 12 13 namespace ash { 14 namespace internal { 15 16 class ASH_EXPORT DisplayLayoutStore { 17 public: 18 DisplayLayoutStore(); 19 ~DisplayLayoutStore(); 20 default_display_layout()21 const DisplayLayout& default_display_layout() const { 22 return default_display_layout_; 23 } 24 void SetDefaultDisplayLayout(const DisplayLayout& layout); 25 26 // Registeres the display layout info for the specified display(s). 27 void RegisterLayoutForDisplayIdPair(int64 id1, 28 int64 id2, 29 const DisplayLayout& layout); 30 31 // If no layout is registered, it creatas new layout using 32 // |default_display_layout_|. 33 DisplayLayout GetRegisteredDisplayLayout(const DisplayIdPair& pair); 34 35 // Returns the display layout for the display id pair 36 // with display swapping applied. That is, this returns 37 // flipped layout if the displays are swapped. 38 DisplayLayout ComputeDisplayLayoutForDisplayIdPair( 39 const DisplayIdPair& display_pair); 40 41 // Update the mirrored flag in the display layout for 42 // |display_pair|. This creates new display layout if no layout is 43 // registered for |display_pair|. 44 void UpdateMirrorStatus(const DisplayIdPair& display_pair, 45 bool mirrored); 46 47 // Update the |primary_id| in the display layout for 48 // |display_pair|. This creates new display layout if no layout is 49 // registered for |display_pair|. 50 void UpdatePrimaryDisplayId(const DisplayIdPair& display_pair, 51 int64 display_id); 52 53 private: 54 // Creates new layout for display pair from |default_display_layout_|. 55 DisplayLayout CreateDisplayLayout(const DisplayIdPair& display_pair); 56 57 // The default display layout. 58 DisplayLayout default_display_layout_; 59 60 // Display layout per pair of devices. 61 std::map<DisplayIdPair, DisplayLayout> paired_layouts_; 62 63 DISALLOW_COPY_AND_ASSIGN(DisplayLayoutStore); 64 }; 65 66 } // namespace internal 67 } // namespace ash 68 69 #endif // ASH_DISPLAY_DISPLAY_LAYOUT_STORE_H_ 70