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// Copyright 2015 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 "ui/views/mus/platform_window_mus.h"
#include "build/build_config.h"
#include "components/bitmap_uploader/bitmap_uploader.h"
#include "components/mus/public/cpp/property_type_converters.h"
#include "components/mus/public/cpp/window_property.h"
#include "components/mus/public/interfaces/window_manager.mojom.h"
#include "mojo/converters/input_events/input_events_type_converters.h"
#include "ui/base/view_prop.h"
#include "ui/platform_window/platform_window_delegate.h"
#include "ui/views/mus/window_manager_connection.h"
namespace views {
namespace {
static uint32_t accelerated_widget_count = 1;
} // namespace
PlatformWindowMus::PlatformWindowMus(ui::PlatformWindowDelegate* delegate,
mojo::Connector* connector,
mus::Window* mus_window)
: delegate_(delegate),
mus_window_(mus_window),
show_state_(mus::mojom::ShowState::RESTORED),
last_cursor_(mus::mojom::Cursor::CURSOR_NULL),
mus_window_destroyed_(false) {
DCHECK(delegate_);
DCHECK(mus_window_);
mus_window_->AddObserver(this);
mus_window_->set_input_event_handler(this);
// We need accelerated widget numbers to be different for each
// window and fit in the smallest sizeof(AcceleratedWidget) uint32_t
// has this property.
#if defined(OS_WIN) || defined(OS_ANDROID)
gfx::AcceleratedWidget accelerated_widget =
reinterpret_cast<gfx::AcceleratedWidget>(accelerated_widget_count++);
#else
gfx::AcceleratedWidget accelerated_widget =
static_cast<gfx::AcceleratedWidget>(accelerated_widget_count++);
#endif
delegate_->OnAcceleratedWidgetAvailable(
accelerated_widget, mus_window_->viewport_metrics().device_pixel_ratio);
bitmap_uploader_.reset(new bitmap_uploader::BitmapUploader(mus_window_));
bitmap_uploader_->Init(connector);
prop_.reset(new ui::ViewProp(
accelerated_widget, bitmap_uploader::kBitmapUploaderForAcceleratedWidget,
bitmap_uploader_.get()));
}
PlatformWindowMus::~PlatformWindowMus() {
if (!mus_window_)
return;
mus_window_->RemoveObserver(this);
mus_window_->set_input_event_handler(nullptr);
if (!mus_window_destroyed_)
mus_window_->Destroy();
}
void PlatformWindowMus::Activate() {
mus_window_->SetFocus();
}
void PlatformWindowMus::SetCursorById(mus::mojom::Cursor cursor) {
if (last_cursor_ != cursor) {
// The ui::PlatformWindow interface uses ui::PlatformCursor at this level,
// instead of ui::Cursor. All of the cursor abstractions in ui right now are
// sort of leaky; despite being nominally cross platform, they all drop down
// to platform types almost immediately, which makes them unusable as
// transport types.
mus_window_->SetPredefinedCursor(cursor);
}
}
void PlatformWindowMus::Show() {
mus_window_->SetVisible(true);
}
void PlatformWindowMus::Hide() {
mus_window_->SetVisible(false);
}
void PlatformWindowMus::Close() {
NOTIMPLEMENTED();
}
void PlatformWindowMus::SetBounds(const gfx::Rect& bounds) {
mus_window_->SetBounds(bounds);
}
gfx::Rect PlatformWindowMus::GetBounds() {
return mus_window_->bounds();
}
void PlatformWindowMus::SetTitle(const base::string16& title) {
NOTIMPLEMENTED();
}
void PlatformWindowMus::SetCapture() {
mus_window_->SetCapture();
}
void PlatformWindowMus::ReleaseCapture() {
mus_window_->ReleaseCapture();
}
void PlatformWindowMus::ToggleFullscreen() {
NOTIMPLEMENTED();
}
void PlatformWindowMus::Maximize() {
SetShowState(mus::mojom::ShowState::MAXIMIZED);
}
void PlatformWindowMus::Minimize() {
SetShowState(mus::mojom::ShowState::MINIMIZED);
}
void PlatformWindowMus::Restore() {
SetShowState(mus::mojom::ShowState::RESTORED);
}
void PlatformWindowMus::SetCursor(ui::PlatformCursor cursor) {
NOTIMPLEMENTED();
}
void PlatformWindowMus::MoveCursorTo(const gfx::Point& location) {
NOTIMPLEMENTED();
}
void PlatformWindowMus::ConfineCursorToBounds(const gfx::Rect& bounds) {
NOTIMPLEMENTED();
}
ui::PlatformImeController* PlatformWindowMus::GetPlatformImeController() {
return nullptr;
}
void PlatformWindowMus::SetShowState(mus::mojom::ShowState show_state) {
mus_window_->SetSharedProperty<int32_t>(
mus::mojom::WindowManager::kShowState_Property,
static_cast<int32_t>(show_state));
}
void PlatformWindowMus::OnWindowDestroyed(mus::Window* window) {
DCHECK_EQ(mus_window_, window);
mus_window_destroyed_ = true;
#ifndef NDEBUG
weak_factory_.reset(new base::WeakPtrFactory<PlatformWindowMus>(this));
base::WeakPtr<PlatformWindowMus> weak_ptr = weak_factory_->GetWeakPtr();
#endif
delegate_->OnClosed();
// |this| has been destroyed at this point.
#ifndef NDEBUG
DCHECK(!weak_ptr);
#endif
}
void PlatformWindowMus::OnWindowBoundsChanged(mus::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) {
delegate_->OnBoundsChanged(new_bounds);
}
void PlatformWindowMus::OnWindowFocusChanged(mus::Window* gained_focus,
mus::Window* lost_focus) {
if (gained_focus == mus_window_)
delegate_->OnActivationChanged(true);
else if (lost_focus == mus_window_)
delegate_->OnActivationChanged(false);
}
void PlatformWindowMus::OnWindowPredefinedCursorChanged(
mus::Window* window,
mus::mojom::Cursor cursor) {
DCHECK_EQ(window, mus_window_);
last_cursor_ = cursor;
}
void PlatformWindowMus::OnWindowSharedPropertyChanged(
mus::Window* window,
const std::string& name,
const std::vector<uint8_t>* old_data,
const std::vector<uint8_t>* new_data) {
if (name != mus::mojom::WindowManager::kShowState_Property)
return;
mus::mojom::ShowState show_state =
static_cast<mus::mojom::ShowState>(window->GetSharedProperty<int32_t>(
mus::mojom::WindowManager::kShowState_Property));
if (show_state == show_state_)
return;
show_state_ = show_state;
ui::PlatformWindowState state = ui::PLATFORM_WINDOW_STATE_UNKNOWN;
switch (show_state_) {
case mus::mojom::ShowState::MINIMIZED:
state = ui::PLATFORM_WINDOW_STATE_MINIMIZED;
break;
case mus::mojom::ShowState::MAXIMIZED:
state = ui::PLATFORM_WINDOW_STATE_MAXIMIZED;
break;
case mus::mojom::ShowState::RESTORED:
state = ui::PLATFORM_WINDOW_STATE_NORMAL;
break;
case mus::mojom::ShowState::IMMERSIVE:
case mus::mojom::ShowState::PRESENTATION:
// This may not be sufficient.
state = ui::PLATFORM_WINDOW_STATE_FULLSCREEN;
break;
}
delegate_->OnWindowStateChanged(state);
}
void PlatformWindowMus::OnRequestClose(mus::Window* window) {
delegate_->OnCloseRequest();
}
void PlatformWindowMus::OnWindowInputEvent(
mus::Window* view,
const ui::Event& event,
scoped_ptr<base::Callback<void(bool)>>* ack_callback) {
// It's possible dispatching the event will spin a nested message loop. Ack
// the callback now, otherwise we appear unresponsive for the life of the
// nested message loop.
(*ack_callback)->Run(true);
ack_callback->reset();
// TODO(moshayedi): Avoid cloning after updating PlatformWindowDelegate to
// accept constant pointers.
delegate_->DispatchEvent(ui::Event::Clone(event).get());
}
} // namespace views
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