1 | /* |
2 | * Copyright (C) 2015 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | |
28 | #if ENABLE(RESOURCE_USAGE) |
29 | |
30 | #include "ResourceUsageOverlay.h" |
31 | |
32 | #include "Frame.h" |
33 | #include "FrameView.h" |
34 | #include "Page.h" |
35 | #include "PageOverlayController.h" |
36 | #include "PlatformMouseEvent.h" |
37 | |
38 | namespace WebCore { |
39 | |
40 | ResourceUsageOverlay::ResourceUsageOverlay(Page& page) |
41 | : m_page(page) |
42 | , m_overlay(PageOverlay::create(*this, PageOverlay::OverlayType::View)) |
43 | { |
44 | // Let the event loop cycle before continuing with initialization. |
45 | // This way we'll have access to the FrameView's dimensions. |
46 | callOnMainThread([this] { |
47 | initialize(); |
48 | }); |
49 | } |
50 | |
51 | ResourceUsageOverlay::~ResourceUsageOverlay() |
52 | { |
53 | platformDestroy(); |
54 | |
55 | // FIXME: This is a hack so we don't try to uninstall the PageOverlay during Page destruction. |
56 | if (m_page.mainFrame().page()) |
57 | m_page.pageOverlayController().uninstallPageOverlay(*m_overlay, PageOverlay::FadeMode::DoNotFade); |
58 | } |
59 | |
60 | void ResourceUsageOverlay::initialize() |
61 | { |
62 | if (!m_page.mainFrame().view()) |
63 | return; |
64 | |
65 | FrameView& frameView = *m_page.mainFrame().view(); |
66 | |
67 | IntRect initialRect(frameView.width() / 2 - normalWidth / 2, frameView.height() - normalHeight - 20, normalWidth, normalHeight); |
68 | |
69 | #if PLATFORM(IOS_FAMILY) |
70 | // FIXME: The overlay should be stuck to the viewport instead of moving along with the page. |
71 | initialRect.setY(20); |
72 | #endif |
73 | |
74 | m_overlay->setFrame(initialRect); |
75 | m_page.pageOverlayController().installPageOverlay(*m_overlay, PageOverlay::FadeMode::DoNotFade); |
76 | platformInitialize(); |
77 | } |
78 | |
79 | bool ResourceUsageOverlay::mouseEvent(PageOverlay&, const PlatformMouseEvent& event) |
80 | { |
81 | if (event.button() != LeftButton) |
82 | return false; |
83 | |
84 | switch (event.type()) { |
85 | case PlatformEvent::MousePressed: { |
86 | m_overlay->setShouldIgnoreMouseEventsOutsideBounds(false); |
87 | m_dragging = true; |
88 | IntPoint location = m_overlay->frame().location(); |
89 | m_dragPoint = event.position() + IntPoint(-location.x(), -location.y()); |
90 | return true; |
91 | } |
92 | case PlatformEvent::MouseReleased: |
93 | if (m_dragging) { |
94 | m_overlay->setShouldIgnoreMouseEventsOutsideBounds(true); |
95 | m_dragging = false; |
96 | return true; |
97 | } |
98 | break; |
99 | case PlatformEvent::MouseMoved: |
100 | if (m_dragging) { |
101 | IntRect newFrame = m_overlay->frame(); |
102 | |
103 | // Move the new frame relative to the point where the drag was initiated. |
104 | newFrame.setLocation(event.position()); |
105 | newFrame.moveBy(IntPoint(-m_dragPoint.x(), -m_dragPoint.y())); |
106 | |
107 | // Force the frame to stay inside the viewport entirely. |
108 | if (newFrame.x() < 0) |
109 | newFrame.setX(0); |
110 | if (newFrame.y() < m_page.topContentInset()) |
111 | newFrame.setY(m_page.topContentInset()); |
112 | FrameView& frameView = *m_page.mainFrame().view(); |
113 | if (newFrame.maxX() > frameView.width()) |
114 | newFrame.setX(frameView.width() - newFrame.width()); |
115 | if (newFrame.maxY() > frameView.height()) |
116 | newFrame.setY(frameView.height() - newFrame.height()); |
117 | |
118 | m_overlay->setFrame(newFrame); |
119 | m_overlay->setNeedsDisplay(); |
120 | return true; |
121 | } |
122 | break; |
123 | default: |
124 | break; |
125 | } |
126 | return false; |
127 | } |
128 | |
129 | } |
130 | |
131 | #endif |
132 | |