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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/remote_cocoa/app_shim/application_bridge.h"
#include <tuple>
#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "components/remote_cocoa/app_shim/alert.h"
#include "components/remote_cocoa/app_shim/native_widget_ns_window_bridge.h"
#include "components/remote_cocoa/app_shim/native_widget_ns_window_host_helper.h"
#include "components/system_media_controls/mac/remote_cocoa/system_media_controls_bridge.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "ui/accelerated_widget_mac/window_resize_helper_mac.h"
#include "ui/base/cocoa/remote_accessibility_api.h"
namespace remote_cocoa {
namespace {
class NativeWidgetBridgeOwner : public NativeWidgetNSWindowHostHelper {
public:
NativeWidgetBridgeOwner(
uint64_t bridge_id,
mojo::PendingAssociatedReceiver<mojom::NativeWidgetNSWindow>
bridge_receiver,
mojo::PendingAssociatedRemote<mojom::NativeWidgetNSWindowHost>
host_remote,
mojo::PendingAssociatedRemote<mojom::TextInputHost>
text_input_host_remote) {
host_remote_.Bind(std::move(host_remote),
ui::WindowResizeHelperMac::Get()->task_runner());
text_input_host_remote_.Bind(
std::move(text_input_host_remote),
ui::WindowResizeHelperMac::Get()->task_runner());
bridge_ = std::make_unique<NativeWidgetNSWindowBridge>(
bridge_id, host_remote_.get(), this, text_input_host_remote_.get());
bridge_->BindReceiver(
std::move(bridge_receiver),
base::BindOnce(&NativeWidgetBridgeOwner::OnMojoDisconnect,
base::Unretained(this)));
}
private:
~NativeWidgetBridgeOwner() override = default;
void OnMojoDisconnect() { delete this; }
// NativeWidgetNSWindowHostHelper:
id GetNativeViewAccessible() override {
if (!remote_accessibility_element_) {
base::ProcessId browser_pid = base::kNullProcessId;
std::vector<uint8_t> element_token;
host_remote_->GetRootViewAccessibilityToken(&browser_pid, &element_token);
[NSAccessibilityRemoteUIElement
registerRemoteUIProcessIdentifier:browser_pid];
remote_accessibility_element_ =
ui::RemoteAccessibility::GetRemoteElementFromToken(element_token);
}
return remote_accessibility_element_;
}
void DispatchKeyEvent(ui::KeyEvent* event) override {
bool event_handled = false;
host_remote_->DispatchKeyEventRemote(std::make_unique<ui::KeyEvent>(*event),
&event_handled);
if (event_handled)
event->SetHandled();
}
bool DispatchKeyEventToMenuController(ui::KeyEvent* event) override {
bool event_swallowed = false;
bool event_handled = false;
host_remote_->DispatchKeyEventToMenuControllerRemote(
std::make_unique<ui::KeyEvent>(*event), &event_swallowed,
&event_handled);
if (event_handled)
event->SetHandled();
return event_swallowed;
}
void GetWordAt(const gfx::Point& location_in_content,
bool* found_word,
gfx::DecoratedText* decorated_word,
gfx::Point* baseline_point) override {
*found_word = false;
}
remote_cocoa::DragDropClient* GetDragDropClient() override {
// Drag-drop only doesn't work across mojo yet.
return nullptr;
}
ui::TextInputClient* GetTextInputClient() override {
// Text input doesn't work across mojo yet.
return nullptr;
}
bool MustPostTaskToRunModalSheetAnimation() const override { return true; }
mojo::AssociatedRemote<mojom::NativeWidgetNSWindowHost> host_remote_;
mojo::AssociatedRemote<mojom::TextInputHost> text_input_host_remote_;
std::unique_ptr<NativeWidgetNSWindowBridge> bridge_;
NSAccessibilityRemoteUIElement* __strong remote_accessibility_element_;
};
} // namespace
// static
ApplicationBridge* ApplicationBridge::Get() {
static base::NoDestructor<ApplicationBridge> application_bridge;
return application_bridge.get();
}
void ApplicationBridge::BindReceiver(
mojo::PendingAssociatedReceiver<mojom::Application> receiver) {
receiver_.Bind(std::move(receiver),
ui::WindowResizeHelperMac::Get()->task_runner());
}
void ApplicationBridge::SetContentNSViewCreateCallbacks(
RenderWidgetHostNSViewCreateCallback render_widget_host_create_callback,
WebContentsNSViewCreateCallback web_contents_create_callback) {
render_widget_host_create_callback_ = render_widget_host_create_callback;
web_contents_create_callback_ = web_contents_create_callback;
}
void ApplicationBridge::CreateAlert(
mojo::PendingReceiver<mojom::AlertBridge> bridge_receiver) {
// The resulting object manages its own lifetime.
std::ignore = new AlertBridge(std::move(bridge_receiver));
}
void ApplicationBridge::CreateNativeWidgetNSWindow(
uint64_t bridge_id,
mojo::PendingAssociatedReceiver<mojom::NativeWidgetNSWindow>
bridge_receiver,
mojo::PendingAssociatedRemote<mojom::NativeWidgetNSWindowHost> host,
mojo::PendingAssociatedRemote<mojom::TextInputHost> text_input_host) {
// The resulting object will be destroyed when its message pipe is closed.
std::ignore =
new NativeWidgetBridgeOwner(bridge_id, std::move(bridge_receiver),
std::move(host), std::move(text_input_host));
}
void ApplicationBridge::CreateRenderWidgetHostNSView(
uint64_t view_id,
mojo::PendingAssociatedRemote<mojom::StubInterface> host,
mojo::PendingAssociatedReceiver<mojom::StubInterface> view_receiver) {
if (!render_widget_host_create_callback_)
return;
render_widget_host_create_callback_.Run(view_id, host.PassHandle(),
view_receiver.PassHandle());
}
void ApplicationBridge::CreateSystemMediaControlsBridge(
mojo::PendingReceiver<system_media_controls::mojom::SystemMediaControls>
receiver,
mojo::PendingRemote<
system_media_controls::mojom::SystemMediaControlsObserver> host) {
if (!system_media_controls_bridge_) {
system_media_controls_bridge_ =
std::make_unique<system_media_controls::SystemMediaControlsBridge>(
std::move(receiver), std::move(host));
} else {
// It's possible that ApplicationBridge is asked to make an SMCBridge for an
// App when one has already been made. This is the case for duplicate PWAs,
// ie. when a user has 2 of the same PWA open, and plays audio in both.
// In that case, we just need to rebind the mojo connections.
system_media_controls_bridge_->BindMojoConnections(std::move(receiver),
std::move(host));
}
}
void ApplicationBridge::CreateWebContentsNSView(
uint64_t view_id,
mojo::PendingAssociatedRemote<mojom::StubInterface> host,
mojo::PendingAssociatedReceiver<mojom::StubInterface> view_receiver) {
if (!web_contents_create_callback_) {
return;
}
web_contents_create_callback_.Run(view_id, host.PassHandle(),
view_receiver.PassHandle());
}
void ApplicationBridge::ForwardCutCopyPaste(
mojom::CutCopyPasteCommand command) {
ForwardCutCopyPasteToNSApp(command);
}
// static
void ApplicationBridge::ForwardCutCopyPasteToNSApp(
mojom::CutCopyPasteCommand command) {
switch (command) {
case mojom::CutCopyPasteCommand::kCut:
[NSApp sendAction:@selector(cut:) to:nil from:nil];
break;
case mojom::CutCopyPasteCommand::kCopy:
[NSApp sendAction:@selector(copy:) to:nil from:nil];
break;
case mojom::CutCopyPasteCommand::kPaste:
[NSApp sendAction:@selector(paste:) to:nil from:nil];
break;
}
}
ApplicationBridge::ApplicationBridge() = default;
ApplicationBridge::~ApplicationBridge() = default;
} // namespace remote_cocoa
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