105 lines
3.8 KiB
Text
105 lines
3.8 KiB
Text
// Copyright (c) 2018 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/api/electron_api_browser_window.h"
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#include <memory>
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#include <vector>
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#import <Cocoa/Cocoa.h>
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#include "base/mac/scoped_nsobject.h"
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#include "shell/browser/native_browser_view.h"
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#include "shell/browser/native_window_mac.h"
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#include "shell/browser/ui/cocoa/electron_inspectable_web_contents_view.h"
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#include "shell/browser/ui/inspectable_web_contents_view.h"
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namespace electron {
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namespace api {
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void BrowserWindow::OverrideNSWindowContentView(
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InspectableWebContentsView* view) {
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// Make NativeWindow use a NSView as content view.
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static_cast<NativeWindowMac*>(window())->OverrideNSWindowContentView();
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// Add webview to contentView.
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NSView* webView = view->GetNativeView().GetNativeNSView();
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NSView* contentView =
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[window()->GetNativeWindow().GetNativeNSWindow() contentView];
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[webView setFrame:[contentView bounds]];
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// ensure that buttons view is floated to top of view hierarchy
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NSArray* subviews = [contentView subviews];
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NSView* last = subviews.lastObject;
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[contentView addSubview:webView positioned:NSWindowBelow relativeTo:last];
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[contentView viewDidMoveToWindow];
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}
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void BrowserWindow::UpdateDraggableRegions(
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const std::vector<mojom::DraggableRegionPtr>& regions) {
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if (window_->has_frame())
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return;
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if (!web_contents())
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return;
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// All ControlRegionViews should be added as children of the WebContentsView,
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// because WebContentsView will be removed and re-added when entering and
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// leaving fullscreen mode.
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NSView* webView = web_contents()->GetNativeView().GetNativeNSView();
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NSInteger webViewWidth = NSWidth([webView bounds]);
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NSInteger webViewHeight = NSHeight([webView bounds]);
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if ([webView respondsToSelector:@selector(setMouseDownCanMoveWindow:)]) {
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[webView setMouseDownCanMoveWindow:YES];
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}
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// Remove all ControlRegionViews that are added last time.
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// Note that [webView subviews] returns the view's mutable internal array and
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// it should be copied to avoid mutating the original array while enumerating
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// it.
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base::scoped_nsobject<NSArray> subviews([[webView subviews] copy]);
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for (NSView* subview in subviews.get())
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if ([subview isKindOfClass:[ControlRegionView class]])
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[subview removeFromSuperview];
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// Draggable regions are implemented by having the whole web view draggable
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// and overlaying regions that are not draggable.
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if (&draggable_regions_ != ®ions)
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draggable_regions_ = mojo::Clone(regions);
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std::vector<gfx::Rect> drag_exclude_rects;
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if (regions.empty()) {
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drag_exclude_rects.emplace_back(0, 0, webViewWidth, webViewHeight);
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} else {
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drag_exclude_rects = CalculateNonDraggableRegions(
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DraggableRegionsToSkRegion(regions), webViewWidth, webViewHeight);
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}
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for (NativeBrowserView* view : window_->browser_views()) {
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view->UpdateDraggableRegions(drag_exclude_rects);
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}
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// Create and add a ControlRegionView for each region that needs to be
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// excluded from the dragging.
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for (const auto& rect : drag_exclude_rects) {
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base::scoped_nsobject<NSView> controlRegion(
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[[ControlRegionView alloc] initWithFrame:NSZeroRect]);
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[controlRegion setFrame:NSMakeRect(rect.x(), webViewHeight - rect.bottom(),
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rect.width(), rect.height())];
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[webView addSubview:controlRegion];
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}
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// AppKit will not update its cache of mouseDownCanMoveWindow unless something
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// changes. Previously we tried adding an NSView and removing it, but for some
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// reason it required reposting the mouse-down event, and didn't always work.
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// Calling the below seems to be an effective solution.
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[[webView window] setMovableByWindowBackground:NO];
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[[webView window] setMovableByWindowBackground:YES];
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}
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} // namespace api
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} // namespace electron
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