| // 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_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_ |
| #define UI_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_ |
| |
| #include <set> |
| |
| #include "ui/display/display.h" |
| #include "ui/display/display_layout.h" |
| #include "ui/display/manager/display_manager_export.h" |
| #include "ui/display/manager/managed_display_info.h" |
| |
| namespace gfx { |
| class Rect; |
| class Size; |
| } |
| |
| namespace display { |
| class ManagedDisplayInfo; |
| class ManagedDisplayMode; |
| |
| // Creates the display mode list for internal display |
| // based on |native_mode|. |
| DISPLAY_MANAGER_EXPORT ManagedDisplayInfo::ManagedDisplayModeList |
| CreateInternalManagedDisplayModeList( |
| const scoped_refptr<ManagedDisplayMode>& native_mode); |
| |
| // Creates the display mode list for unified display |
| // based on |native_mode| and |scales|. |
| DISPLAY_MANAGER_EXPORT ManagedDisplayInfo::ManagedDisplayModeList |
| CreateUnifiedManagedDisplayModeList( |
| const scoped_refptr<ManagedDisplayMode>& native_mode, |
| const std::set<std::pair<float, float>>& dsf_scale_list); |
| |
| // Gets the display mode for |resolution|. Returns false if no display |
| // mode matches the resolution, or the display is an internal display. |
| DISPLAY_MANAGER_EXPORT scoped_refptr<ManagedDisplayMode> |
| GetDisplayModeForResolution(const ManagedDisplayInfo& info, |
| const gfx::Size& resolution); |
| |
| // Gets the display mode for the next valid UI scale. Returns false |
| // if the display is not an internal display. |
| DISPLAY_MANAGER_EXPORT scoped_refptr<ManagedDisplayMode> |
| GetDisplayModeForNextUIScale(const ManagedDisplayInfo& info, bool up); |
| |
| // Gets the display mode for the next valid resolution. Returns false |
| // if the display is an internal display. |
| DISPLAY_MANAGER_EXPORT scoped_refptr<ManagedDisplayMode> |
| GetDisplayModeForNextResolution(const ManagedDisplayInfo& info, bool up); |
| |
| // Tests if the |info| has display mode that matches |ui_scale|. |
| bool HasDisplayModeForUIScale(const ManagedDisplayInfo& info, float ui_scale); |
| |
| // Computes the bounds that defines the bounds between two displays. |
| // Returns false if two displays do not intersect. |
| DISPLAY_MANAGER_EXPORT bool ComputeBoundary( |
| const Display& primary_display, |
| const Display& secondary_display, |
| gfx::Rect* primary_edge_in_screen, |
| gfx::Rect* secondary_edge_in_screen); |
| |
| // Sorts id list using |CompareDisplayIds| below. |
| DISPLAY_MANAGER_EXPORT void SortDisplayIdList(DisplayIdList* list); |
| |
| // Default id generator. |
| class DefaultDisplayIdGenerator { |
| public: |
| int64_t operator()(int64_t id) { return id; } |
| }; |
| |
| // Generate sorted DisplayIdList from iterators. |
| template <class ForwardIterator, class Generator = DefaultDisplayIdGenerator> |
| DisplayIdList GenerateDisplayIdList(ForwardIterator first, |
| ForwardIterator last, |
| Generator generator = Generator()) { |
| DisplayIdList list; |
| while (first != last) { |
| list.push_back(generator(*first)); |
| ++first; |
| } |
| SortDisplayIdList(&list); |
| return list; |
| } |
| |
| // Creates sorted DisplayIdList. |
| DISPLAY_MANAGER_EXPORT DisplayIdList CreateDisplayIdList(const Displays& list); |
| |
| DISPLAY_MANAGER_EXPORT std::string DisplayIdListToString( |
| const DisplayIdList& list); |
| |
| // Returns true if one of following conditions is met. |
| // 1) id1 is internal. |
| // 2) output index of id1 < output index of id2 and id2 isn't internal. |
| DISPLAY_MANAGER_EXPORT bool CompareDisplayIds(int64_t id1, int64_t id2); |
| |
| } // namespace display |
| |
| #endif // UI_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_ |