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fix: menu should not be garbage-collected when popuping (7-1-x) (#21225)

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* fix: retain menu when popuping

* test: menu should not be garbage-collected when popuping
This commit is contained in:
Cheng Zhao
2019-11-21 07:14:24 +09:00
committed by GitHub
parent 5ac12c9e44
commit fbe36e2365
10 changed files with 91 additions and 36 deletions
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14
shell/browser/api/atom_api_menu.cc
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@@ -4,13 +4,15 @@
#include "shell/browser/api/atom_api_menu.h"
#include <utility>
#include "native_mate/constructor.h"
#include "native_mate/dictionary.h"
#include "native_mate/object_template_builder.h"
#include "shell/browser/native_window.h"
#include "shell/common/native_mate_converters/accelerator_converter.h"
#include "shell/common/native_mate_converters/callback.h"
#include "shell/common/native_mate_converters/image_converter.h"
#include "shell/common/native_mate_converters/once_callback.h"
#include "shell/common/native_mate_converters/string16_converter.h"
#include "shell/common/node_includes.h"
@@ -207,6 +209,16 @@ void Menu::OnMenuWillShow() {
Emit("menu-will-show");
}
base::OnceClosure Menu::BindSelfToClosure(base::OnceClosure callback) {
// return ((callback, ref) => { callback() }).bind(null, callback, this)
v8::Global<v8::Value> ref(isolate(), GetWrapper());
return base::BindOnce(
[](base::OnceClosure callback, v8::Global<v8::Value> ref) {
std::move(callback).Run();
},
std::move(callback), std::move(ref));
}
// static
void Menu::BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype) {

8
shell/browser/api/atom_api_menu.h
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@@ -12,7 +12,6 @@
#include "shell/browser/api/atom_api_top_level_window.h"
#include "shell/browser/api/trackable_object.h"
#include "shell/browser/ui/atom_menu_model.h"
#include "shell/common/api/locker.h"
namespace electron {
@@ -61,7 +60,7 @@ class Menu : public mate::TrackableObject<Menu>,
int x,
int y,
int positioning_item,
const base::Closure& callback) = 0;
base::OnceClosure callback) = 0;
virtual void ClosePopupAt(int32_t window_id) = 0;
std::unique_ptr<AtomMenuModel> model_;
@@ -71,6 +70,11 @@ class Menu : public mate::TrackableObject<Menu>,
void OnMenuWillClose() override;
void OnMenuWillShow() override;
protected:
// Returns a new callback which keeps references of the JS wrapper until the
// passed |callback| is called.
base::OnceClosure BindSelfToClosure(base::OnceClosure callback);
private:
void InsertItemAt(int index, int command_id, const base::string16& label);
void InsertSeparatorAt(int index);

6
shell/browser/api/atom_api_menu_mac.h
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@@ -27,19 +27,19 @@ class MenuMac : public Menu {
int x,
int y,
int positioning_item,
const base::Closure& callback) override;
base::OnceClosure callback) override;
void PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
int32_t window_id,
int x,
int y,
int positioning_item,
base::Closure callback);
base::OnceClosure callback);
void ClosePopupAt(int32_t window_id) override;
private:
friend class Menu;
void OnClosed(int32_t window_id, base::Closure callback);
void OnClosed(int32_t window_id, base::OnceClosure callback);
scoped_nsobject<AtomMenuController> menu_controller_;

24
shell/browser/api/atom_api_menu_mac.mm
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@@ -39,15 +39,19 @@ void MenuMac::PopupAt(TopLevelWindow* window,
int x,
int y,
int positioning_item,
const base::Closure& callback) {
base::OnceClosure callback) {
NativeWindow* native_window = window->window();
if (!native_window)
return;
// Make sure the Menu object would not be garbage-collected until the callback
// has run.
base::OnceClosure callback_with_ref = BindSelfToClosure(std::move(callback));
auto popup =
base::BindOnce(&MenuMac::PopupOnUI, weak_factory_.GetWeakPtr(),
native_window->GetWeakPtr(), window->weak_map_id(), x, y,
positioning_item, callback);
positioning_item, std::move(callback_with_ref));
base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI}, std::move(popup));
}
@@ -56,16 +60,14 @@ void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
int x,
int y,
int positioning_item,
base::Closure callback) {
mate::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
base::OnceClosure callback) {
if (!native_window)
return;
NSWindow* nswindow = native_window->GetNativeWindow().GetNativeNSWindow();
auto close_callback = base::BindRepeating(
&MenuMac::OnClosed, weak_factory_.GetWeakPtr(), window_id, callback);
base::OnceClosure close_callback =
base::BindOnce(&MenuMac::OnClosed, weak_factory_.GetWeakPtr(), window_id,
std::move(callback));
popup_controllers_[window_id] = base::scoped_nsobject<AtomMenuController>(
[[AtomMenuController alloc] initWithModel:model()
useDefaultAccelerator:NO]);
@@ -103,7 +105,7 @@ void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
if (rightmostMenuPoint > screenRight)
position.x = position.x - [menu size].width;
[popup_controllers_[window_id] setCloseCallback:close_callback];
[popup_controllers_[window_id] setCloseCallback:std::move(close_callback)];
// Make sure events can be pumped while the menu is up.
base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
@@ -134,9 +136,9 @@ void MenuMac::ClosePopupAt(int32_t window_id) {
}
}
void MenuMac::OnClosed(int32_t window_id, base::Closure callback) {
void MenuMac::OnClosed(int32_t window_id, base::OnceClosure callback) {
popup_controllers_.erase(window_id);
callback.Run();
std::move(callback).Run();
}
// static

25
shell/browser/api/atom_api_menu_views.cc
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@@ -5,6 +5,7 @@
#include "shell/browser/api/atom_api_menu_views.h"
#include <memory>
#include <utility>
#include "shell/browser/native_window_views.h"
#include "shell/browser/unresponsive_suppressor.h"
@@ -25,10 +26,7 @@ void MenuViews::PopupAt(TopLevelWindow* window,
int x,
int y,
int positioning_item,
const base::Closure& callback) {
mate::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
base::OnceClosure callback) {
auto* native_window = static_cast<NativeWindowViews*>(window->window());
if (!native_window)
return;
@@ -47,12 +45,21 @@ void MenuViews::PopupAt(TopLevelWindow* window,
// Don't emit unresponsive event when showing menu.
electron::UnresponsiveSuppressor suppressor;
// Make sure the Menu object would not be garbage-collected until the callback
// has run.
base::OnceClosure callback_with_ref = BindSelfToClosure(std::move(callback));
// Show the menu.
//
// Note that while views::MenuRunner accepts RepeatingCallback as close
// callback, it is fine passing OnceCallback to it because we reset the
// menu runner immediately when the menu is closed.
int32_t window_id = window->weak_map_id();
auto close_callback = base::BindRepeating(
&MenuViews::OnClosed, weak_factory_.GetWeakPtr(), window_id, callback);
auto close_callback = base::AdaptCallbackForRepeating(
base::BindOnce(&MenuViews::OnClosed, weak_factory_.GetWeakPtr(),
window_id, std::move(callback_with_ref)));
menu_runners_[window_id] =
std::make_unique<MenuRunner>(model(), flags, close_callback);
std::make_unique<MenuRunner>(model(), flags, std::move(close_callback));
menu_runners_[window_id]->RunMenuAt(
native_window->widget(), NULL, gfx::Rect(location, gfx::Size()),
views::MenuAnchorPosition::kTopLeft, ui::MENU_SOURCE_MOUSE);
@@ -72,9 +79,9 @@ void MenuViews::ClosePopupAt(int32_t window_id) {
}
}
void MenuViews::OnClosed(int32_t window_id, base::Closure callback) {
void MenuViews::OnClosed(int32_t window_id, base::OnceClosure callback) {
menu_runners_.erase(window_id);
callback.Run();
std::move(callback).Run();
}
// static

4
shell/browser/api/atom_api_menu_views.h
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@@ -27,11 +27,11 @@ class MenuViews : public Menu {
int x,
int y,
int positioning_item,
const base::Closure& callback) override;
base::OnceClosure callback) override;
void ClosePopupAt(int32_t window_id) override;
private:
void OnClosed(int32_t window_id, base::Closure callback);
void OnClosed(int32_t window_id, base::OnceClosure callback);
// window ID -> open context menu
std::map<int32_t, std::unique_ptr<views::MenuRunner>> menu_runners_;