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// Copyright 2014 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 SERVICES_UI_WS_PLATFORM_DISPLAY_H_
#define SERVICES_UI_WS_PLATFORM_DISPLAY_H_
#include <stdint.h>
#include <map>
#include <memory>
#include <utility>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "build/build_config.h"
#include "services/ui/display/platform_screen.h"
#include "services/ui/public/interfaces/window_manager.mojom.h"
#include "services/ui/public/interfaces/window_manager_constants.mojom.h"
#include "services/ui/public/interfaces/window_tree.mojom.h"
#include "services/ui/ws/frame_generator.h"
#include "services/ui/ws/frame_generator_delegate.h"
#include "services/ui/ws/platform_display_delegate.h"
#include "ui/display/display.h"
#include "ui/platform_window/platform_window_delegate.h"
namespace cc {
class CopyOutputRequest;
} // namespace cc
namespace gfx {
class Rect;
}
namespace gpu {
class GpuChannelHost;
}
namespace ui {
class CursorLoader;
class PlatformWindow;
struct TextInputState;
} // namespace ui
namespace ui {
class FrameGenerator;
namespace ws {
class EventDispatcher;
class PlatformDisplayFactory;
struct PlatformDisplayInitParams;
class ServerWindow;
// PlatformDisplay is used to connect the root ServerWindow to a display.
class PlatformDisplay {
public:
virtual ~PlatformDisplay() {}
static PlatformDisplay* Create(const PlatformDisplayInitParams& init_params);
virtual int64_t GetId() const = 0;
virtual void Init(PlatformDisplayDelegate* delegate) = 0;
// Schedules a paint for the specified region in the coordinates of |window|.
virtual void SchedulePaint(const ServerWindow* window,
const gfx::Rect& bounds) = 0;
virtual void SetViewportSize(const gfx::Size& size) = 0;
virtual void SetTitle(const base::string16& title) = 0;
virtual void SetCapture() = 0;
virtual void ReleaseCapture() = 0;
virtual void SetCursorById(int32_t cursor) = 0;
virtual display::Display::Rotation GetRotation() = 0;
virtual float GetDeviceScaleFactor() = 0;
virtual void UpdateTextInputState(const ui::TextInputState& state) = 0;
virtual void SetImeVisibility(bool visible) = 0;
// Returns true if a compositor frame has been submitted but not drawn yet.
virtual bool IsFramePending() const = 0;
virtual void RequestCopyOfOutput(
std::unique_ptr<cc::CopyOutputRequest> output_request) = 0;
virtual gfx::Rect GetBounds() const = 0;
virtual bool IsPrimaryDisplay() const = 0;
// Notifies the PlatformDisplay that a connection to the gpu has been
// established.
virtual void OnGpuChannelEstablished(
scoped_refptr<gpu::GpuChannelHost> gpu_channel) = 0;
// Overrides factory for testing. Default (NULL) value indicates regular
// (non-test) environment.
static void set_factory_for_testing(PlatformDisplayFactory* factory) {
PlatformDisplay::factory_ = factory;
}
private:
// Static factory instance (always NULL for non-test).
static PlatformDisplayFactory* factory_;
};
// PlatformDisplay implementation that connects to the services necessary to
// actually display.
class DefaultPlatformDisplay : public PlatformDisplay,
public ui::PlatformWindowDelegate,
private FrameGeneratorDelegate {
public:
explicit DefaultPlatformDisplay(const PlatformDisplayInitParams& init_params);
~DefaultPlatformDisplay() override;
// PlatformDisplay:
void Init(PlatformDisplayDelegate* delegate) override;
int64_t GetId() const override;
void SchedulePaint(const ServerWindow* window,
const gfx::Rect& bounds) override;
void SetViewportSize(const gfx::Size& size) override;
void SetTitle(const base::string16& title) override;
void SetCapture() override;
void ReleaseCapture() override;
void SetCursorById(int32_t cursor) override;
float GetDeviceScaleFactor() override;
display::Display::Rotation GetRotation() override;
void UpdateTextInputState(const ui::TextInputState& state) override;
void SetImeVisibility(bool visible) override;
bool IsFramePending() const override;
void RequestCopyOfOutput(
std::unique_ptr<cc::CopyOutputRequest> output_request) override;
gfx::Rect GetBounds() const override;
bool IsPrimaryDisplay() const override;
void OnGpuChannelEstablished(
scoped_refptr<gpu::GpuChannelHost> gpu_channel) override;
private:
void UpdateMetrics(const gfx::Rect& bounds, float device_scale_factor);
// Update the root_location of located events to be relative to the origin
// of this display. For example, if the origin of this display is (1800, 0)
// and the location of the event is (100, 200) then the root_location will be
// updated to be (1900, 200).
void UpdateEventRootLocation(ui::LocatedEvent* event);
// ui::PlatformWindowDelegate:
void OnBoundsChanged(const gfx::Rect& new_bounds) override;
void OnDamageRect(const gfx::Rect& damaged_region) override;
void DispatchEvent(ui::Event* event) override;
void OnCloseRequest() override;
void OnClosed() override;
void OnWindowStateChanged(ui::PlatformWindowState new_state) override;
void OnLostCapture() override;
void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget,
float device_scale_factor) override;
void OnAcceleratedWidgetDestroyed() override;
void OnActivationChanged(bool active) override;
// FrameGeneratorDelegate:
ServerWindow* GetRootWindow() override;
void OnCompositorFrameDrawn() override;
bool IsInHighContrastMode() override;
const ViewportMetrics& GetViewportMetrics() override;
int64_t id_;
display::PlatformScreen* platform_screen_;
#if !defined(OS_ANDROID)
std::unique_ptr<ui::CursorLoader> cursor_loader_;
#endif
PlatformDisplayDelegate* delegate_ = nullptr;
std::unique_ptr<FrameGenerator> frame_generator_;
ViewportMetrics metrics_;
std::unique_ptr<ui::PlatformWindow> platform_window_;
DISALLOW_COPY_AND_ASSIGN(DefaultPlatformDisplay);
};
} // namespace ws
} // namespace ui
#endif // SERVICES_UI_WS_PLATFORM_DISPLAY_H_