115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
// Copyright (c) 2014 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 "atom/browser/ui/views/frameless_view.h"
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#include "atom/browser/native_window_views.h"
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#include "ui/aura/window.h"
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#include "ui/base/hit_test.h"
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#include "ui/views/widget/widget.h"
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#include "ui/views/widget/widget_delegate.h"
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namespace atom {
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namespace {
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const int kResizeInsideBoundsSize = 5;
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const int kResizeAreaCornerSize = 16;
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const char kViewClassName[] = "FramelessView";
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} // namespace
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FramelessView::FramelessView() : window_(NULL), frame_(NULL) {
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}
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FramelessView::~FramelessView() {
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}
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void FramelessView::Init(NativeWindowViews* window, views::Widget* frame) {
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window_ = window;
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frame_ = frame;
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}
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int FramelessView::ResizingBorderHitTest(const gfx::Point& point) {
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// Check the frame first, as we allow a small area overlapping the contents
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// to be used for resize handles.
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bool can_ever_resize = frame_->widget_delegate() ?
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frame_->widget_delegate()->CanResize() :
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false;
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// Don't allow overlapping resize handles when the window is maximized or
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// fullscreen, as it can't be resized in those states.
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int resize_border =
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frame_->IsMaximized() || frame_->IsFullscreen() ? 0 :
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kResizeInsideBoundsSize;
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return GetHTComponentForFrame(point, resize_border, resize_border,
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kResizeAreaCornerSize, kResizeAreaCornerSize, can_ever_resize);
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}
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gfx::Rect FramelessView::GetBoundsForClientView() const {
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return bounds();
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}
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gfx::Rect FramelessView::GetWindowBoundsForClientBounds(
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const gfx::Rect& client_bounds) const {
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gfx::Rect window_bounds = client_bounds;
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// Enforce minimum size (1, 1) in case that client_bounds is passed with
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// empty size. This could occur when the frameless window is being
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// initialized.
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if (window_bounds.IsEmpty()) {
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window_bounds.set_width(1);
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window_bounds.set_height(1);
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}
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return window_bounds;
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}
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int FramelessView::NonClientHitTest(const gfx::Point& cursor) {
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if (frame_->IsFullscreen())
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return HTCLIENT;
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// Check for possible draggable region in the client area for the frameless
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// window.
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SkRegion* draggable_region = window_->draggable_region();
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if (draggable_region && draggable_region->contains(cursor.x(), cursor.y()))
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return HTCAPTION;
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// Support resizing frameless window by dragging the border.
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int frame_component = ResizingBorderHitTest(cursor);
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if (frame_component != HTNOWHERE)
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return frame_component;
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return HTCLIENT;
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}
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void FramelessView::GetWindowMask(const gfx::Size& size,
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gfx::Path* window_mask) {
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}
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void FramelessView::ResetWindowControls() {
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}
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void FramelessView::UpdateWindowIcon() {
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}
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void FramelessView::UpdateWindowTitle() {
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}
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gfx::Size FramelessView::GetPreferredSize() const {
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return frame_->non_client_view()->GetWindowBoundsForClientBounds(
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gfx::Rect(frame_->client_view()->GetPreferredSize())).size();
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}
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gfx::Size FramelessView::GetMinimumSize() const {
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return window_->GetMinimumSize();
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}
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gfx::Size FramelessView::GetMaximumSize() const {
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return window_->GetMaximumSize();
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}
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const char* FramelessView::GetClassName() const {
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return kViewClassName;
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}
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} // namespace atom
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