blob: 5be4fd0ba678170864cff0e95a5e5219c7a1c9a6 [file] [log] [blame]
// 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.
#include "extensions/shell/browser/shell_desktop_controller_aura.h"
#include <algorithm>
#include <string>
#include <vector>
#include "base/command_line.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/native_app_window.h"
#include "extensions/shell/browser/shell_app_delegate.h"
#include "extensions/shell/browser/shell_app_window_client.h"
#include "extensions/shell/browser/shell_screen.h"
#include "extensions/shell/common/switches.h"
#include "ui/aura/client/cursor_client.h"
#include "ui/aura/client/default_capture_client.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/cursor/image_cursors.h"
#include "ui/base/ime/input_method_initializer.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/display/screen.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/wm/core/base_focus_rules.h"
#include "ui/wm/core/compound_event_filter.h"
#include "ui/wm/core/cursor_manager.h"
#include "ui/wm/core/focus_controller.h"
#include "ui/wm/core/native_cursor_manager.h"
#include "ui/wm/core/native_cursor_manager_delegate.h"
#if defined(OS_CHROMEOS)
#include "chromeos/dbus/dbus_thread_manager.h"
#include "ui/chromeos/user_activity_power_manager_notifier.h"
#include "ui/display/types/display_mode.h"
#include "ui/display/types/display_snapshot.h"
#if defined(USE_X11)
#include "ui/display/chromeos/x11/native_display_delegate_x11.h"
#endif
#if defined(USE_OZONE)
#include "ui/display/types/native_display_delegate.h"
#include "ui/ozone/public/ozone_platform.h"
#endif
#endif // defined(OS_CHROMEOS)
namespace extensions {
namespace {
// A simple layout manager that makes each new window fill its parent.
class FillLayout : public aura::LayoutManager {
public:
FillLayout() {}
~FillLayout() override {}
private:
// aura::LayoutManager:
void OnWindowResized() override {}
void OnWindowAddedToLayout(aura::Window* child) override {
if (!child->parent())
return;
// Create a rect at 0,0 with the size of the parent.
gfx::Size parent_size = child->parent()->bounds().size();
child->SetBounds(gfx::Rect(parent_size));
}
void OnWillRemoveWindowFromLayout(aura::Window* child) override {}
void OnWindowRemovedFromLayout(aura::Window* child) override {}
void OnChildWindowVisibilityChanged(aura::Window* child,
bool visible) override {}
void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) override {
SetChildBoundsDirect(child, requested_bounds);
}
DISALLOW_COPY_AND_ASSIGN(FillLayout);
};
// A class that bridges the gap between CursorManager and Aura. It borrows
// heavily from AshNativeCursorManager.
class ShellNativeCursorManager : public wm::NativeCursorManager {
public:
explicit ShellNativeCursorManager(aura::WindowTreeHost* host)
: host_(host), image_cursors_(new ui::ImageCursors) {}
~ShellNativeCursorManager() override {}
// wm::NativeCursorManager overrides.
void SetDisplay(const display::Display& display,
wm::NativeCursorManagerDelegate* delegate) override {
if (image_cursors_->SetDisplay(display, display.device_scale_factor()))
SetCursor(delegate->GetCursor(), delegate);
}
void SetCursor(gfx::NativeCursor cursor,
wm::NativeCursorManagerDelegate* delegate) override {
image_cursors_->SetPlatformCursor(&cursor);
cursor.set_device_scale_factor(image_cursors_->GetScale());
delegate->CommitCursor(cursor);
if (delegate->IsCursorVisible())
ApplyCursor(cursor);
}
void SetVisibility(bool visible,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitVisibility(visible);
if (visible) {
SetCursor(delegate->GetCursor(), delegate);
} else {
gfx::NativeCursor invisible_cursor(ui::kCursorNone);
image_cursors_->SetPlatformCursor(&invisible_cursor);
ApplyCursor(invisible_cursor);
}
}
void SetCursorSet(ui::CursorSetType cursor_set,
wm::NativeCursorManagerDelegate* delegate) override {
image_cursors_->SetCursorSet(cursor_set);
delegate->CommitCursorSet(cursor_set);
if (delegate->IsCursorVisible())
SetCursor(delegate->GetCursor(), delegate);
}
void SetMouseEventsEnabled(
bool enabled,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitMouseEventsEnabled(enabled);
SetVisibility(delegate->IsCursorVisible(), delegate);
}
private:
// Sets |cursor| as the active cursor within Aura.
void ApplyCursor(gfx::NativeCursor cursor) { host_->SetCursor(cursor); }
aura::WindowTreeHost* host_; // Not owned.
std::unique_ptr<ui::ImageCursors> image_cursors_;
DISALLOW_COPY_AND_ASSIGN(ShellNativeCursorManager);
};
class AppsFocusRules : public wm::BaseFocusRules {
public:
AppsFocusRules() {}
~AppsFocusRules() override {}
bool SupportsChildActivation(aura::Window* window) const override {
return true;
}
private:
DISALLOW_COPY_AND_ASSIGN(AppsFocusRules);
};
} // namespace
ShellDesktopControllerAura::ShellDesktopControllerAura()
: app_window_client_(new ShellAppWindowClient) {
extensions::AppWindowClient::Set(app_window_client_.get());
#if defined(OS_CHROMEOS)
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
this);
display_configurator_.reset(new ui::DisplayConfigurator);
#if defined(USE_OZONE)
display_configurator_->Init(
ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate(), false);
#elif defined(USE_X11)
display_configurator_->Init(
base::WrapUnique(new ui::NativeDisplayDelegateX11()), false);
#endif
display_configurator_->ForceInitialConfigure(0);
display_configurator_->AddObserver(this);
#endif
CreateRootWindow();
}
ShellDesktopControllerAura::~ShellDesktopControllerAura() {
CloseAppWindows();
DestroyRootWindow();
#if defined(OS_CHROMEOS)
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
this);
#endif
extensions::AppWindowClient::Set(NULL);
}
gfx::Size ShellDesktopControllerAura::GetWindowSize() {
return host_->window()->bounds().size();
}
AppWindow* ShellDesktopControllerAura::CreateAppWindow(
content::BrowserContext* context,
const Extension* extension) {
app_windows_.push_back(
new AppWindow(context, new ShellAppDelegate, extension));
return app_windows_.back();
}
void ShellDesktopControllerAura::AddAppWindow(gfx::NativeWindow window) {
aura::Window* root_window = host_->window();
root_window->AddChild(window);
}
void ShellDesktopControllerAura::RemoveAppWindow(AppWindow* window) {
auto iter = std::find(app_windows_.begin(), app_windows_.end(), window);
DCHECK(iter != app_windows_.end());
app_windows_.erase(iter);
}
void ShellDesktopControllerAura::CloseAppWindows() {
// Create a copy of the window vector, because closing the windows will
// trigger RemoveAppWindow, which will invalidate the iterator.
// This vector should be small enough that this should not be an issue.
std::vector<AppWindow*> app_windows(app_windows_);
for (AppWindow* app_window : app_windows)
app_window->GetBaseWindow()->Close(); // Close() deletes |app_window|.
app_windows_.clear();
}
aura::Window* ShellDesktopControllerAura::GetDefaultParent(
aura::Window* context,
aura::Window* window,
const gfx::Rect& bounds) {
return host_->window();
}
#if defined(OS_CHROMEOS)
void ShellDesktopControllerAura::PowerButtonEventReceived(
bool down,
const base::TimeTicks& timestamp) {
if (down) {
chromeos::DBusThreadManager::Get()
->GetPowerManagerClient()
->RequestShutdown();
}
}
void ShellDesktopControllerAura::OnDisplayModeChanged(
const ui::DisplayConfigurator::DisplayStateList& displays) {
gfx::Size size = GetPrimaryDisplaySize();
if (!size.IsEmpty())
host_->UpdateRootWindowSize(size);
}
#endif
void ShellDesktopControllerAura::OnHostCloseRequested(
const aura::WindowTreeHost* host) {
DCHECK_EQ(host_.get(), host);
CloseAppWindows();
base::MessageLoop::current()->PostTask(
FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
}
void ShellDesktopControllerAura::InitWindowManager() {
wm::FocusController* focus_controller =
new wm::FocusController(new AppsFocusRules());
aura::client::SetFocusClient(host_->window(), focus_controller);
host_->window()->AddPreTargetHandler(focus_controller);
aura::client::SetActivationClient(host_->window(), focus_controller);
focus_client_.reset(focus_controller);
capture_client_.reset(
new aura::client::DefaultCaptureClient(host_->window()));
// Ensure new windows fill the display.
host_->window()->SetLayoutManager(new FillLayout);
cursor_manager_.reset(
new wm::CursorManager(std::unique_ptr<wm::NativeCursorManager>(
new ShellNativeCursorManager(host_.get()))));
cursor_manager_->SetDisplay(
display::Screen::GetScreen()->GetPrimaryDisplay());
cursor_manager_->SetCursor(ui::kCursorPointer);
aura::client::SetCursorClient(host_->window(), cursor_manager_.get());
user_activity_detector_.reset(new ui::UserActivityDetector);
#if defined(OS_CHROMEOS)
user_activity_notifier_.reset(
new ui::UserActivityPowerManagerNotifier(user_activity_detector_.get()));
#endif
}
void ShellDesktopControllerAura::CreateRootWindow() {
// Set up basic pieces of ui::wm.
gfx::Size size;
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kAppShellHostWindowSize)) {
const std::string size_str =
command_line->GetSwitchValueASCII(switches::kAppShellHostWindowSize);
int width, height;
CHECK_EQ(2, sscanf(size_str.c_str(), "%dx%d", &width, &height));
size = gfx::Size(width, height);
} else {
size = GetPrimaryDisplaySize();
}
if (size.IsEmpty())
size = gfx::Size(1920, 1080);
screen_.reset(new ShellScreen(size));
display::Screen::SetScreenInstance(screen_.get());
// TODO(mukai): Set up input method.
host_.reset(screen_->CreateHostForPrimaryDisplay());
aura::client::SetWindowTreeClient(host_->window(), this);
root_window_event_filter_.reset(new wm::CompoundEventFilter);
host_->window()->AddPreTargetHandler(root_window_event_filter_.get());
InitWindowManager();
host_->AddObserver(this);
// Ensure the X window gets mapped.
host_->Show();
}
void ShellDesktopControllerAura::DestroyRootWindow() {
host_->RemoveObserver(this);
wm::FocusController* focus_controller =
static_cast<wm::FocusController*>(focus_client_.get());
if (focus_controller) {
host_->window()->RemovePreTargetHandler(focus_controller);
aura::client::SetActivationClient(host_->window(), NULL);
}
root_window_event_filter_.reset();
capture_client_.reset();
focus_client_.reset();
cursor_manager_.reset();
#if defined(OS_CHROMEOS)
user_activity_notifier_.reset();
#endif
user_activity_detector_.reset();
host_.reset();
screen_.reset();
}
gfx::Size ShellDesktopControllerAura::GetPrimaryDisplaySize() {
#if defined(OS_CHROMEOS)
const ui::DisplayConfigurator::DisplayStateList& displays =
display_configurator_->cached_displays();
if (displays.empty())
return gfx::Size();
const ui::DisplayMode* mode = displays[0]->current_mode();
return mode ? mode->size() : gfx::Size();
#else
return gfx::Size();
#endif
}
} // namespace extensions