mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-12 01:26:03 +01:00
66648c2343
- Remove CefRequestContextHandler::OnBeforePluginLoad and CefRequestContext::PurgePluginListCache (fixes issue #3047). These methods stopped being relevant after the removal of Flash support in January 2021. The last remaining PPAPI plugin (PDF viewer) will switch to a non-plugin implementation in the near future (see https://crbug.com/702993#c58) and functionality related to plugin filtering has already been removed in https://crrev.com/343ae351c9.
76 lines
2.9 KiB
Diff
76 lines
2.9 KiB
Diff
diff --git base/message_loop/message_pump_win.cc base/message_loop/message_pump_win.cc
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index 2c8d83d2424d9..ae9f7229a51cf 100644
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--- base/message_loop/message_pump_win.cc
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+++ base/message_loop/message_pump_win.cc
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@@ -2,6 +2,7 @@
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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+#include "base/task/current_thread.h"
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#include "base/message_loop/message_pump_win.h"
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#include <algorithm>
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@@ -497,7 +498,17 @@ bool MessagePumpForUI::ProcessNextWindowsMessage() {
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ctx.event()->set_chrome_message_pump();
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msg_pump_data->set_sent_messages_in_queue(more_work_is_plausible);
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});
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- has_msg = ::PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE) != FALSE;
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+
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+ // We should not process all window messages if we are in the context of an
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+ // OS modal loop, i.e. in the context of a windows API call like MessageBox.
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+ // This is to ensure that these messages are peeked out by the OS modal loop.
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+ if (CurrentThread::Get()->os_modal_loop()) {
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+ // We only peek out WM_PAINT and WM_TIMER here for reasons mentioned above.
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+ has_msg = PeekMessage(&msg, NULL, WM_PAINT, WM_PAINT, PM_REMOVE) ||
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+ PeekMessage(&msg, NULL, WM_TIMER, WM_TIMER, PM_REMOVE);
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+ } else {
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+ has_msg = PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) != FALSE;
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+ }
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}
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}
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if (has_msg)
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diff --git base/task/current_thread.cc base/task/current_thread.cc
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index 9641285fde742..51cc852fcc165 100644
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--- base/task/current_thread.cc
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+++ base/task/current_thread.cc
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@@ -48,6 +48,8 @@ void CurrentThread::AddDestructionObserver(
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void CurrentThread::RemoveDestructionObserver(
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DestructionObserver* destruction_observer) {
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+ if (!current_)
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+ return;
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DCHECK(current_->IsBoundToCurrentThread());
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current_->RemoveDestructionObserver(destruction_observer);
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}
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diff --git base/task/current_thread.h base/task/current_thread.h
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index b69284cd85576..111185c0ab9a8 100644
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--- base/task/current_thread.h
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+++ base/task/current_thread.h
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@@ -127,6 +127,12 @@ class BASE_EXPORT CurrentThread {
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// posted tasks.
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void SetAddQueueTimeToTasks(bool enable);
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+#if defined(OS_WIN)
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+ void set_os_modal_loop(bool os_modal_loop) { os_modal_loop_ = os_modal_loop; }
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+
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+ bool os_modal_loop() const { return os_modal_loop_; }
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+#endif // OS_WIN
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+
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// Enables nested task processing in scope of an upcoming native message loop.
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// Some unwanted message loops may occur when using common controls or printer
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// functions. Hence, nested task processing is disabled by default to avoid
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@@ -192,6 +198,13 @@ class BASE_EXPORT CurrentThread {
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friend class web::WebTaskEnvironment;
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sequence_manager::internal::SequenceManagerImpl* current_;
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+
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+#if defined(OS_WIN)
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+ private:
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+ // Should be set to true before calling Windows APIs like TrackPopupMenu, etc.
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+ // which enter a modal message loop.
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+ bool os_modal_loop_ = false;
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+#endif
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};
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#if !defined(OS_NACL)
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