127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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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 "libcef/webwidget_host.h"
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#include "libcef/cef_thread.h"
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#include "base/bind.h"
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#include "base/message_loop.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSize.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
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using webkit::npapi::WebPluginGeometry;
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using WebKit::WebSize;
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void WebWidgetHost::ScheduleComposite() {
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if (has_invalidate_task_)
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return;
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has_invalidate_task_ = true;
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// Try to paint at 60fps.
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static int64 kDesiredRate = 16;
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base::TimeDelta delta = base::TimeTicks::Now() - paint_last_call_;
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int64 actualRate = delta.InMilliseconds();
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if (actualRate >= kDesiredRate) {
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// Can't keep up so run as fast as possible.
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MessageLoop::current()->PostTask(FROM_HERE,
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base::Bind(&WebWidgetHost::Invalidate, weak_factory_.GetWeakPtr()));
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} else {
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// Maintain the desired rate.
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MessageLoop::current()->PostDelayedTask(FROM_HERE,
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base::Bind(&WebWidgetHost::Invalidate, weak_factory_.GetWeakPtr()),
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kDesiredRate - actualRate);
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}
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}
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void WebWidgetHost::ScheduleAnimation() {
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ScheduleComposite();
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}
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void WebWidgetHost::UpdatePaintRect(const gfx::Rect& rect) {
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#if defined(OS_WIN) || defined(OS_MACOSX)
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paint_rgn_.op(rect.x(), rect.y(), rect.right(), rect.bottom(),
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SkRegion::kUnion_Op);
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#else
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// TODO(cef): Update all ports to use regions instead of rectangles.
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paint_rect_ = paint_rect_.Union(rect);
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#endif
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}
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void WebWidgetHost::UpdateRedrawRect(const gfx::Rect& rect) {
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if (!view_)
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redraw_rect_ = redraw_rect_.Union(rect);
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}
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void WebWidgetHost::SetSize(int width, int height) {
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webwidget_->resize(WebSize(width, height));
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DidInvalidateRect(gfx::Rect(0, 0, width, height));
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EnsureTooltip();
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}
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void WebWidgetHost::GetSize(int& width, int& height) {
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const WebSize& size = webwidget_->size();
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width = size.width;
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height = size.height;
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}
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void WebWidgetHost::AddWindowedPlugin(gfx::PluginWindowHandle handle) {
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WebPluginGeometry geometry;
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plugin_map_.insert(std::make_pair(handle, geometry));
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}
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void WebWidgetHost::RemoveWindowedPlugin(gfx::PluginWindowHandle handle) {
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PluginMap::iterator it = plugin_map_.find(handle);
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DCHECK(it != plugin_map_.end());
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plugin_map_.erase(it);
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}
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void WebWidgetHost::MoveWindowedPlugin(const WebPluginGeometry& move) {
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PluginMap::iterator it = plugin_map_.find(move.window);
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DCHECK(it != plugin_map_.end());
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it->second.window = move.window;
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if (move.rects_valid) {
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it->second.window_rect = move.window_rect;
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it->second.clip_rect = move.clip_rect;
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it->second.cutout_rects = move.cutout_rects;
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it->second.rects_valid = true;
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}
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it->second.visible = move.visible;
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}
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gfx::PluginWindowHandle WebWidgetHost::GetWindowedPluginAt(int x, int y) {
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if (!plugin_map_.empty()) {
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PluginMap::const_iterator it = plugin_map_.begin();
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for (; it != plugin_map_.end(); ++it) {
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if (it->second.visible && it->second.window_rect.Contains(x, y))
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return it->second.window;
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}
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}
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return gfx::kNullPluginWindow;
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}
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void WebWidgetHost::DoPaint() {
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// TODO(cef): The below code is cross-platform but the IsIdle() method
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// currently requires patches to Chromium. Since this code is only executed
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// on Windows it's been stuck behind an #ifdef for now to avoid having to
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// patch Chromium code on other platforms.
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#if defined(OS_WIN)
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if (MessageLoop::current()->IsIdle()) {
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has_update_task_ = false;
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// Paint to the delegate.
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Paint();
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} else {
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// Try again later.
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CefThread::PostTask(CefThread::UI, FROM_HERE,
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base::Bind(&WebWidgetHost::DoPaint, weak_factory_.GetWeakPtr()));
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}
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#else
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NOTIMPLEMENTED();
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#endif
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}
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