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Viewing changes to src/server/shell/default_window_manager.cpp

  • Committer: Package Import Robot
  • Author(s): CI Train Bot
  • Date: 2015-05-12 13:12:55 UTC
  • mto: This revision was merged to the branch mainline in revision 96.
  • Revision ID: package-import@ubuntu.com-20150512131255-y7z12i8n4pbvo70x
Tags: upstream-0.13.0+15.10.20150512
Import upstream version 0.13.0+15.10.20150512

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src/server/shell/default_window_manager.cpp
 
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/*
 
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 * Copyright © 2015 Canonical Ltd.
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify it
 
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 * under the terms of the GNU General Public License version 3,
 
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 * as published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 *
 
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 * Authored By: Alan Griffiths <alan@octopull.co.uk>
 
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 */
 
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#include "mir/shell/default_window_manager.h"
 
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#include "mir/scene/null_surface_observer.h"
 
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#include "mir/scene/placement_strategy.h"
 
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#include "mir/scene/session.h"
 
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#include "mir/scene/session_coordinator.h"
 
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#include "mir/scene/surface.h"
 
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#include "mir/scene/surface_creation_parameters.h"
 
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#include "mir/shell/focus_controller.h"
 
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#include "mir/shell/surface_specification.h"
 
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namespace mf = mir::frontend;
 
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namespace ms = mir::scene;
 
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namespace msh = mir::shell;
 
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msh::DefaultWindowManager::DefaultWindowManager(
 
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    FocusController* focus_controller,
 
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    std::shared_ptr<scene::PlacementStrategy> const& placement_strategy,
 
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    std::shared_ptr<scene::SessionCoordinator> const& session_coordinator) :
 
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    focus_controller{focus_controller},
 
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    placement_strategy{placement_strategy},
 
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    session_coordinator{session_coordinator}
 
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{
 
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}
 
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void msh::DefaultWindowManager::add_session(std::shared_ptr<scene::Session> const& session)
 
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{
 
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    focus_controller->set_focus_to(session, {});
 
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}
 
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void msh::DefaultWindowManager::remove_session(std::shared_ptr<scene::Session> const& /*session*/)
 
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{
 
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    auto const next_session = session_coordinator->successor_of({});
 
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    if (next_session)
 
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        focus_controller->set_focus_to(next_session, next_session->default_surface());
 
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    else
 
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        focus_controller->set_focus_to(next_session, {});
 
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}
 
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namespace
 
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{
 
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class SurfaceReadyObserver : public ms::NullSurfaceObserver,
 
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    public std::enable_shared_from_this<SurfaceReadyObserver>
 
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{
 
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public:
 
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    SurfaceReadyObserver(
 
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        msh::FocusController* const focus_controller,
 
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        std::shared_ptr<ms::Session> const& session,
 
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        std::shared_ptr<ms::Surface> const& surface) :
 
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        focus_controller{focus_controller},
 
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        session{session},
 
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        surface{surface}
 
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    {
 
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    }
 
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private:
 
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    void frame_posted(int) override
 
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    {
 
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        if (auto const s = surface.lock())
 
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        {
 
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            focus_controller->set_focus_to(session.lock(), s);
 
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            s->remove_observer(shared_from_this());
 
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        }
 
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    }
 
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    msh::FocusController* const focus_controller;
 
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    std::weak_ptr<ms::Session> const session;
 
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    std::weak_ptr<ms::Surface> const surface;
 
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};
 
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}
 
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auto msh::DefaultWindowManager::add_surface(
 
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    std::shared_ptr<scene::Session> const& session,
 
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    scene::SurfaceCreationParameters const& params,
 
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    std::function<frontend::SurfaceId(std::shared_ptr<scene::Session> const& session, scene::SurfaceCreationParameters const& params)> const& build)
 
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-> frontend::SurfaceId
 
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{
 
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    auto const result = build(session, placement_strategy->place(*session, params));
 
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    auto const surface = session->surface(result);
 
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    surface->add_observer(std::make_shared<SurfaceReadyObserver>(focus_controller, session, surface));
 
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    return result;
 
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}
 
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void msh::DefaultWindowManager::modify_surface(
 
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    std::shared_ptr<scene::Session> const& /*session*/,
 
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    std::shared_ptr<scene::Surface> const& surface,
 
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    SurfaceSpecification const& modifications)
 
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{
 
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    if (modifications.name.is_set())
 
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        surface->rename(modifications.name.value());
 
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}
 
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void msh::DefaultWindowManager::remove_surface(
 
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    std::shared_ptr<scene::Session> const& /*session*/,
 
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    std::weak_ptr<scene::Surface> const& /*surface*/)
 
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{
 
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}
 
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void msh::DefaultWindowManager::add_display(geometry::Rectangle const& /*area*/)
 
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{
 
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}
 
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void msh::DefaultWindowManager::remove_display(geometry::Rectangle const& /*area*/)
 
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{
 
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}
 
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bool msh::DefaultWindowManager::handle_keyboard_event(MirKeyboardEvent const* /*event*/)
 
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{
 
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    return false;
 
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}
 
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bool msh::DefaultWindowManager::handle_touch_event(MirTouchEvent const* /*event*/)
 
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{
 
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    return false;
 
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}
 
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bool msh::DefaultWindowManager::handle_pointer_event(MirPointerEvent const* /*event*/)
 
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{
 
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    return false;
 
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}
 
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int msh::DefaultWindowManager::set_surface_attribute(
 
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    std::shared_ptr<scene::Session> const& /*session*/,
 
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    std::shared_ptr<scene::Surface> const& surface,
 
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    MirSurfaceAttrib attrib,
 
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    int value)
 
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{
 
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    return surface->configure(attrib, value);
 
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}