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// 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.
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
#include "ui/display/fake/fake_display_export.h"
#include "ui/display/types/display_constants.h"
#include "ui/display/types/display_mode.h"
#include "ui/display/types/display_snapshot.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
namespace display {
// A display snapshot that doesn't correspond to a physical display, used when
// running off device.
class FAKE_DISPLAY_EXPORT FakeDisplaySnapshot : public DisplaySnapshot {
class Builder {
// Builds new FakeDisplaySnapshot. At the very minimum you must set id and
// native display mode before building or it will fail.
std::unique_ptr<FakeDisplaySnapshot> Build();
Builder& SetId(int64_t id);
// Adds display mode with |size| and set as native mode. If a display mode
// with |size| already exists then it will be reused.
Builder& SetNativeMode(const gfx::Size& size);
// Adds display mode and set as native mode. If an existing display mode is
// equivalent to |mode| it will be set as native mode instead.
Builder& SetNativeMode(std::unique_ptr<DisplayMode> mode);
// Adds display mode with |size| and set as current mode. If a display mode
// with |size| already exists then it will be reused.
Builder& SetCurrentMode(const gfx::Size& size);
// Adds display mode and set as current mode. If an existing display mode is
// equivalent to |mode| it will be set as current mode instead.
Builder& SetCurrentMode(std::unique_ptr<DisplayMode> mode);
// Adds display mode with |size| if necessary. If a display mode with |size|
// already exists then it will be reused.
Builder& AddMode(const gfx::Size& size);
// Adds |mode| if necessary. If an existing display mode is equivalent to
// |mode| it will not be added.
Builder& AddMode(std::unique_ptr<DisplayMode> mode);
Builder& SetOrigin(const gfx::Point& origin);
Builder& SetType(DisplayConnectionType type);
Builder& SetIsAspectPerservingScaling(bool is_aspect_preserving_scaling);
Builder& SetHasOverscan(bool has_overscan);
Builder& SetHasColorCorrectionMatrix(bool val);
Builder& SetColorCorrectionInLinearSpace(bool val);
Builder& SetName(const std::string& name);
Builder& SetProductCode(int64_t product_code);
Builder& SetMaximumCursorSize(const gfx::Size& maximum_cursor_size);
// Sets physical_size so that the screen has the specified DPI using the
// native resolution.
Builder& SetDPI(int dpi);
// Sets physical_size for low DPI display.
Builder& SetLowDPI();
// Sets physical_size for high DPI display.
Builder& SetHighDPI();
// Returns a display mode with |size|. If there is no existing mode, insert
// a display mode with |size| first.
const DisplayMode* AddOrFindDisplayMode(const gfx::Size& size);
// Returns a display mode equivalent to |mode|. If there is no equivalent
// display mode, insert |mode| first.
const DisplayMode* AddOrFindDisplayMode(std::unique_ptr<DisplayMode> mode);
int64_t id_ = kInvalidDisplayId;
gfx::Point origin_;
float dpi_ = 96.0;
DisplayConnectionType type_ = DISPLAY_CONNECTION_TYPE_UNKNOWN;
bool is_aspect_preserving_scaling_ = false;
bool has_overscan_ = false;
bool has_color_correction_matrix_ = false;
bool color_correction_in_linear_space_ = false;
std::string name_;
int64_t product_code_ = DisplaySnapshot::kInvalidProductCode;
gfx::Size maximum_cursor_size_ = gfx::Size(64, 64);
DisplayModeList modes_;
const DisplayMode* current_mode_ = nullptr;
const DisplayMode* native_mode_ = nullptr;
FakeDisplaySnapshot(int64_t display_id,
const gfx::Point& origin,
const gfx::Size& physical_size,
DisplayConnectionType type,
bool is_aspect_preserving_scaling,
bool has_overscan,
bool has_color_correction_matrix,
bool color_correction_in_linear_space,
std::string display_name,
DisplayModeList modes,
const DisplayMode* current_mode,
const DisplayMode* native_mode,
int64_t product_code,
const gfx::Size& maximum_cursor_size);
~FakeDisplaySnapshot() override;
// Creates a display snapshot from the provided |spec| string. Returns null if
// |spec| is invalid. See fake_display_delegate.h for |spec| format
// description.
static std::unique_ptr<DisplaySnapshot> CreateFromSpec(
int64_t id,
const std::string& spec);
} // namespace display