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| 1 // Copyright 2016 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 SERVICES_UI_DISPLAY_PLATFORM_SCREEN_IMPL_OZONE_H_ | |
| 6 #define SERVICES_UI_DISPLAY_PLATFORM_SCREEN_IMPL_OZONE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <set> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "base/callback.h" | |
| 14 #include "base/macros.h" | |
| 15 #include "services/ui/display/platform_screen.h" | |
| 16 #include "ui/display/chromeos/display_configurator.h" | |
| 17 #include "ui/display/display.h" | |
| 18 | |
| 19 namespace display { | |
| 20 | |
| 21 // PlatformScreenImplOzone provides the necessary functionality to configure all | |
| 22 // attached physical displays on the ozone platform. | |
| 23 class PlatformScreenImplOzone : public PlatformScreen, | |
| 24 public ui::DisplayConfigurator::Observer { | |
| 25 public: | |
| 26 PlatformScreenImplOzone(); | |
| 27 ~PlatformScreenImplOzone() override; | |
| 28 | |
| 29 // PlatformScreen: | |
| 30 void Init(PlatformScreenDelegate* delegate) override; | |
| 31 int64_t GetPrimaryDisplayId() const override; | |
| 32 | |
| 33 private: | |
| 34 // TODO(kylechar): This struct is just temporary until we migrate | |
| 35 // DisplayManager code out of ash so it can be used here. | |
| 36 struct DisplayInfo { | |
| 37 DisplayInfo(int64_t new_id, const gfx::Rect& new_bounds) | |
| 38 : id(new_id), bounds(new_bounds) {} | |
| 39 | |
| 40 int64_t id; | |
| 41 // The display bounds. | |
| 42 gfx::Rect bounds; | |
| 43 // The display bounds have been modified and delegate should be updated. | |
| 44 bool modified = false; | |
| 45 // The display has been removed and delegate should be updated. | |
| 46 bool removed = false; | |
| 47 }; | |
| 48 using CachedDisplayIterator = std::vector<DisplayInfo>::iterator; | |
| 49 | |
| 50 // Processes list of display snapshots and sets |removed| on any displays that | |
| 51 // have been removed. Updates |primary_display_id_| if the primary display was | |
| 52 // removed. Does not remove displays from |cached_displays_| or send updates | |
| 53 // to delegate. | |
| 54 void ProcessRemovedDisplays( | |
| 55 const ui::DisplayConfigurator::DisplayStateList& snapshots); | |
| 56 | |
| 57 // Processes list of display snapshots and updates the bounds of any displays | |
| 58 // in |cached_displays_| that have changed size. Does not send updates to | |
| 59 // delegate. | |
| 60 void ProcessModifiedDisplays( | |
| 61 const ui::DisplayConfigurator::DisplayStateList& snapshots); | |
| 62 | |
| 63 // Looks at |cached_displays_| for modified or removed displays. Also updates | |
| 64 // display bounds in response to modified or removed displays. Sends updates | |
| 65 // to the delegate when appropriate by calling OnDisplayModified() or | |
| 66 // OnDisplayRemoved(). Makes at most one call to delegate per display. | |
| 67 // | |
| 68 // Usually used after ProcessRemovedDisplays() and ProcessModifiedDisplays(). | |
| 69 void UpdateCachedDisplays(); | |
| 70 | |
| 71 // Processes list of display snapshots and adds any new displays to | |
| 72 // |cached_displays_|. Updates delegate by calling OnDisplayAdded(). | |
| 73 void AddNewDisplays( | |
| 74 const ui::DisplayConfigurator::DisplayStateList& snapshots); | |
| 75 | |
| 76 // Returns an iterator to the cached display with |display_id| or an end | |
| 77 // iterator if there is no display with that id. | |
| 78 CachedDisplayIterator GetCachedDisplayIterator(int64_t display_id); | |
| 79 | |
| 80 // ui::DisplayConfigurator::Observer: | |
| 81 void OnDisplayModeChanged( | |
| 82 const ui::DisplayConfigurator::DisplayStateList& displays) override; | |
| 83 void OnDisplayModeChangeFailed( | |
| 84 const ui::DisplayConfigurator::DisplayStateList& displays, | |
| 85 ui::MultipleDisplayState failed_new_state) override; | |
| 86 | |
| 87 PlatformScreenDelegate* delegate_ = nullptr; | |
| 88 ui::DisplayConfigurator display_configurator_; | |
| 89 | |
| 90 // TODO(kylechar): These values can/should be replaced by DisplayLayout. | |
| 91 int64_t primary_display_id_ = display::Display::kInvalidDisplayID; | |
| 92 std::vector<DisplayInfo> cached_displays_; | |
| 93 gfx::Point next_display_origin_; | |
| 94 | |
| 95 DISALLOW_COPY_AND_ASSIGN(PlatformScreenImplOzone); | |
| 96 }; | |
| 97 | |
| 98 } // namespace display | |
| 99 | |
| 100 #endif // SERVICES_UI_DISPLAY_PLATFORM_SCREEN_IMPL_OZONE_H_ | |
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Chromium Code Reviews
Issue 2317073003:
Rename PlatformScreen implementations. (Closed)
