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Viewing changes to src/platforms/android/server/display_group.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/platforms/android/server/display_group.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 Lesser 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 Lesser General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Lesser 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: Kevin DuBois <kevin.dubois@canonical.com>
 
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 */
 
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#include "display_group.h"
 
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#include "configurable_display_buffer.h"
 
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#include <boost/throw_exception.hpp>
 
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#include <stdexcept>
 
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namespace mg = mir::graphics;
 
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namespace mga = mir::graphics::android;
 
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mga::DisplayGroup::DisplayGroup(
 
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    std::shared_ptr<mga::DisplayDevice> const& device,
 
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    std::unique_ptr<mga::ConfigurableDisplayBuffer> primary_buffer) :
 
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    device(device)
 
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{
 
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    dbs.emplace(std::make_pair(mga::DisplayName::primary, std::move(primary_buffer)));
 
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}
 
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void mga::DisplayGroup::for_each_display_buffer(std::function<void(mg::DisplayBuffer&)> const& f)
 
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{
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    for(auto const& db : dbs)
 
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        if (db.second->power_mode() != mir_power_mode_off)
 
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            f(*db.second);
 
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}
 
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void mga::DisplayGroup::add(DisplayName name, std::unique_ptr<ConfigurableDisplayBuffer> buffer)
 
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{
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    dbs.emplace(std::make_pair(name, std::move(buffer)));
 
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}
 
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void mga::DisplayGroup::remove(DisplayName name)
 
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{
 
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    if (name == mga::DisplayName::primary)
 
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        BOOST_THROW_EXCEPTION(std::logic_error("cannot remove primary display"));
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    auto it = dbs.find(name);
 
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    if (it != dbs.end())
 
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        dbs.erase(it);
 
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}
 
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bool mga::DisplayGroup::display_present(DisplayName name) const
 
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{
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    return (dbs.end() != dbs.find(name));
 
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}
 
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void mga::DisplayGroup::configure(DisplayName name, MirPowerMode mode, MirOrientation orientation)
 
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{
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    auto it = dbs.find(name);
 
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    if (it != dbs.end())
 
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        it->second->configure(mode, orientation);
 
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}
 
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void mga::DisplayGroup::post()
 
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{
 
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    std::list<DisplayContents> contents;
 
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    std::unique_lock<decltype(guard)> lk(guard);
 
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    for(auto const& db : dbs)
 
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        contents.emplace_back(db.second->contents());
 
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    device->commit(contents); 
 
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}