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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 "mash/wm/window_manager_impl.h"
#include "components/mus/common/types.h"
#include "components/mus/public/cpp/property_type_converters.h"
#include "components/mus/public/cpp/window.h"
#include "components/mus/public/cpp/window_property.h"
#include "components/mus/public/cpp/window_tree_connection.h"
#include "components/mus/public/interfaces/input_events.mojom.h"
#include "mash/wm/non_client_frame_controller.h"
#include "mash/wm/property_util.h"
#include "mash/wm/public/interfaces/container.mojom.h"
#include "mash/wm/window_manager_application.h"
#include "mojo/application/public/cpp/application_impl.h"
#include "mojo/converters/geometry/geometry_type_converters.h"
namespace mojo {
template <>
struct TypeConverter<const std::vector<uint8_t>, Array<uint8_t>> {
static const std::vector<uint8_t> Convert(const Array<uint8_t>& input) {
return input.storage();
}
};
} // namespace mojo
namespace mash {
namespace wm {
WindowManagerImpl::WindowManagerImpl()
: state_(nullptr) {}
WindowManagerImpl::~WindowManagerImpl() {
if (!state_)
return;
mus::Window* parent =
state_->GetWindowForContainer(mojom::CONTAINER_USER_WINDOWS);
if (!parent)
return;
for (mus::Window* child : parent->children())
child->RemoveObserver(this);
}
void WindowManagerImpl::Initialize(WindowManagerApplication* state) {
DCHECK(state);
DCHECK(!state_);
state_ = state;
state_->GetWindowForContainer(mojom::CONTAINER_USER_WINDOWS)
->AddObserver(this);
}
gfx::Rect WindowManagerImpl::CalculateDefaultBounds(mus::Window* window) const {
DCHECK(state_);
int width, height;
const gfx::Size pref = GetWindowPreferredSize(window);
const mus::Window* root = state_->root();
if (pref.IsEmpty()) {
width = root->bounds().width() - 240;
height = root->bounds().height() - 240;
} else {
// TODO(sky): likely want to constrain more than root size.
const gfx::Size max_size = GetMaximizedWindowBounds().size();
width = std::max(0, std::min(max_size.width(), pref.width()));
height = std::max(0, std::min(max_size.height(), pref.height()));
}
return gfx::Rect(40 + (state_->window_count() % 4) * 40,
40 + (state_->window_count() % 4) * 40, width, height);
}
gfx::Rect WindowManagerImpl::GetMaximizedWindowBounds() const {
DCHECK(state_);
return gfx::Rect(state_->root()->bounds().size());
}
void WindowManagerImpl::OnTreeChanging(const TreeChangeParams& params) {
DCHECK(state_);
mus::Window* user_window_container =
state_->GetWindowForContainer(mojom::CONTAINER_USER_WINDOWS);
if (params.receiver != user_window_container)
return;
if (params.old_parent == user_window_container)
params.target->RemoveObserver(this);
else if (params.new_parent == user_window_container)
params.target->AddObserver(this);
}
void WindowManagerImpl::OnWindowEmbeddedAppDisconnected(mus::Window* window) {
window->Destroy();
}
void WindowManagerImpl::OpenWindow(
mus::mojom::WindowTreeClientPtr client,
mojo::Map<mojo::String, mojo::Array<uint8_t>> transport_properties) {
DCHECK(state_);
mus::Window* root = state_->root();
DCHECK(root);
mus::Window::SharedProperties properties =
transport_properties.To<mus::Window::SharedProperties>();
// TODO(sky): constrain to valid properties here.
mus::Window* child_window = root->connection()->NewWindow(&properties);
child_window->SetBounds(CalculateDefaultBounds(child_window));
mojom::Container container = GetRequestedContainer(child_window);
state_->GetWindowForContainer(container)->AddChild(child_window);
child_window->Embed(client.Pass());
// NonClientFrameController deletes itself when |child_window| is destroyed.
new NonClientFrameController(state_->app()->shell(), child_window,
state_->window_tree_host());
state_->IncrementWindowCount();
}
void WindowManagerImpl::GetConfig(const GetConfigCallback& callback) {
DCHECK(state_);
mus::mojom::WindowManagerConfigPtr config(
mus::mojom::WindowManagerConfig::New());
config->displays = mojo::Array<mus::mojom::DisplayPtr>::New(1);
config->displays[0] = mus::mojom::Display::New();
config->displays[0]->id = 2001;
config->displays[0]->bounds = mojo::Rect::New();
config->displays[0]->bounds->y = 0;
config->displays[0]->bounds->width = state_->root()->bounds().width();
config->displays[0]->bounds->height = state_->root()->bounds().width();
config->displays[0]->work_area = config->displays[0]->bounds.Clone();
config->displays[0]->device_pixel_ratio =
state_->root()->viewport_metrics().device_pixel_ratio;
// The insets are roughly what is needed by CustomFrameView. The expectation
// is at some point we'll write our own NonClientFrameView and get the insets
// from it.
const gfx::Insets client_area_insets =
NonClientFrameController::GetPreferredClientAreaInsets();
config->normal_client_area_insets = mojo::Insets::From(client_area_insets);
config->maximized_client_area_insets = mojo::Insets::From(client_area_insets);
callback.Run(config.Pass());
}
bool WindowManagerImpl::OnWmSetBounds(mus::Window* window, gfx::Rect* bounds) {
// By returning true the bounds of |window| is updated.
return true;
}
bool WindowManagerImpl::OnWmSetProperty(
mus::Window* window,
const std::string& name,
scoped_ptr<std::vector<uint8_t>>* new_data) {
// TODO(sky): constrain this to set of keys we know about, and allowed
// values.
return name == mus::mojom::WindowManager::kShowState_Property ||
name == mus::mojom::WindowManager::kPreferredSize_Property ||
name == mus::mojom::WindowManager::kResizeBehavior_Property;
}
} // namespace wm
} // namespace mash
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