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// Copyright 2016 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 "components/exo/notification_surface.h"
#include "components/exo/notification_surface_manager.h"
#include "components/exo/surface.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/hit_test.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/widget/widget.h"
namespace exo {
namespace {
class CustomWindowDelegate : public aura::WindowDelegate {
public:
explicit CustomWindowDelegate(Surface* surface) : surface_(surface) {}
~CustomWindowDelegate() override {}
// Overridden from aura::WindowDelegate:
gfx::Size GetMinimumSize() const override { return gfx::Size(); }
gfx::Size GetMaximumSize() const override { return gfx::Size(); }
void OnBoundsChanged(const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override {}
gfx::NativeCursor GetCursor(const gfx::Point& point) override {
return surface_->GetCursor();
}
int GetNonClientComponent(const gfx::Point& point) const override {
return HTNOWHERE;
}
bool ShouldDescendIntoChildForEventHandling(
aura::Window* child,
const gfx::Point& location) override {
return true;
}
bool CanFocus() override { return true; }
void OnCaptureLost() override {}
void OnPaint(const ui::PaintContext& context) override {}
void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
void OnWindowDestroying(aura::Window* window) override {}
void OnWindowDestroyed(aura::Window* window) override { delete this; }
void OnWindowTargetVisibilityChanged(bool visible) override {}
bool HasHitTestMask() const override { return surface_->HasHitTestMask(); }
void GetHitTestMask(gfx::Path* mask) const override {
surface_->GetHitTestMask(mask);
}
void OnKeyEvent(ui::KeyEvent* event) override {
// Propagates the key event upto the top-level views Widget so that we can
// trigger proper events in the views/ash level there. Event handling for
// Surfaces is done in a post event handler in keyboard.cc.
views::Widget* widget =
views::Widget::GetTopLevelWidgetForNativeView(surface_->window());
if (widget)
widget->OnKeyEvent(event);
}
private:
Surface* const surface_;
DISALLOW_COPY_AND_ASSIGN(CustomWindowDelegate);
};
} // namespace
NotificationSurface::NotificationSurface(NotificationSurfaceManager* manager,
Surface* surface,
const std::string& notification_id)
: manager_(manager),
surface_(surface),
notification_id_(notification_id),
window_(new aura::Window(new CustomWindowDelegate(surface))) {
surface_->SetSurfaceDelegate(this);
surface_->AddSurfaceObserver(this);
window_->SetType(aura::client::WINDOW_TYPE_CONTROL);
window_->SetName("ExoNotificationSurface");
window_->Init(ui::LAYER_NOT_DRAWN);
window_->set_owned_by_parent(false);
// TODO(xiyuan): Fix after Surface no longer has an aura::Window.
window_->AddChild(surface_->window());
surface_->window()->Show();
}
NotificationSurface::~NotificationSurface() {
if (surface_) {
surface_->SetSurfaceDelegate(nullptr);
surface_->RemoveSurfaceObserver(this);
}
if (added_to_manager_)
manager_->RemoveSurface(this);
}
gfx::Size NotificationSurface::GetSize() const {
return surface_->content_size();
}
void NotificationSurface::OnSurfaceCommit() {
surface_->CheckIfSurfaceHierarchyNeedsCommitToNewSurfaces();
surface_->CommitSurfaceHierarchy();
gfx::Rect bounds = window_->bounds();
if (bounds.size() != surface_->content_size()) {
bounds.set_size(surface_->content_size());
window_->SetBounds(bounds);
}
// Defer AddSurface until there are contents to show.
if (!added_to_manager_ && !surface_->content_size().IsEmpty()) {
added_to_manager_ = true;
manager_->AddSurface(this);
}
}
bool NotificationSurface::IsSurfaceSynchronized() const {
return false;
}
void NotificationSurface::OnSurfaceDestroying(Surface* surface) {
window_.reset();
surface->RemoveSurfaceObserver(this);
surface_ = nullptr;
}
} // namespace exo
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