92 lines
3.6 KiB
Plaintext
92 lines
3.6 KiB
Plaintext
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "libcef/browser/native/menu_runner_mac.h"
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#include "libcef/browser/browser_host_impl.h"
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#include "base/compiler_specific.h"
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#import "base/mac/scoped_sending_event.h"
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#include "base/message_loop/message_loop.h"
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#include "base/message_loop/message_loop_current.h"
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#import "ui/base/cocoa/menu_controller.h"
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#include "ui/gfx/geometry/point.h"
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CefMenuRunnerMac::CefMenuRunnerMac() {}
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CefMenuRunnerMac::~CefMenuRunnerMac() {}
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bool CefMenuRunnerMac::RunContextMenu(
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CefBrowserHostImpl* browser,
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CefMenuModelImpl* model,
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const content::ContextMenuParams& params) {
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// Create a menu controller based on the model.
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menu_controller_.reset([[MenuControllerCocoa alloc]
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initWithModel:model->model()
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useWithPopUpButtonCell:NO]);
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// Keep the menu controller alive (by adding an additional retain) until after
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// the menu has been dismissed. Otherwise it will crash if the browser is
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// destroyed (and consequently the menu controller is destroyed) while the
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// menu is still pending.
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base::scoped_nsobject<MenuControllerCocoa> menu_controller_ref(
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menu_controller_);
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// Make sure events can be pumped while the menu is up.
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base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
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// One of the events that could be pumped is |window.close()|.
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// User-initiated event-tracking loops protect against this by
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// setting flags in -[CrApplication sendEvent:], but since
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// web-content menus are initiated by IPC message the setup has to
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// be done manually.
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base::mac::ScopedSendingEvent sendingEventScoper;
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// Show the menu. Blocks until the menu is dismissed.
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if (browser->IsWindowless()) {
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// Don't show the menu unless a native window handle exists.
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if (!browser->GetWindowHandle())
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return false;
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const gfx::Point& screen_point =
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browser->GetScreenPoint(gfx::Point(params.x, params.y));
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NSPoint screen_position = NSPointFromCGPoint(screen_point.ToCGPoint());
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[[menu_controller_ menu] popUpMenuPositioningItem:nil
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atLocation:screen_position
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inView:nil];
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} else {
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NSView* parent_view =
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browser->web_contents()->GetContentNativeView().GetNativeNSView();
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// Synthesize an event for the click, as there is no certainty that
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// [NSApp currentEvent] will return a valid event.
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NSEvent* currentEvent = [NSApp currentEvent];
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NSWindow* window = [parent_view window];
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NSPoint position = [window mouseLocationOutsideOfEventStream];
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NSTimeInterval eventTime = [currentEvent timestamp];
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NSEvent* clickEvent = [NSEvent mouseEventWithType:NSRightMouseDown
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location:position
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modifierFlags:NSRightMouseDownMask
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timestamp:eventTime
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windowNumber:[window windowNumber]
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context:nil
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eventNumber:0
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clickCount:1
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pressure:1.0];
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[NSMenu popUpContextMenu:[menu_controller_ menu]
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withEvent:clickEvent
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forView:parent_view];
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}
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return true;
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}
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void CefMenuRunnerMac::CancelContextMenu() {
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if (menu_controller_.get())
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[menu_controller_ cancel];
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}
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