electron/brightray/browser/devtools_contents_resizing_strategy.cc
2014-07-09 10:24:10 +08:00

85 lines
3.1 KiB
C++

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "browser/devtools_contents_resizing_strategy.h"
#include <algorithm>
DevToolsContentsResizingStrategy::DevToolsContentsResizingStrategy() {
}
DevToolsContentsResizingStrategy::DevToolsContentsResizingStrategy(
const gfx::Insets& insets, const gfx::Size& min_size)
: insets_(insets),
min_size_(min_size) {
}
DevToolsContentsResizingStrategy::DevToolsContentsResizingStrategy(
const gfx::Rect& bounds)
: bounds_(bounds) {
}
void DevToolsContentsResizingStrategy::CopyFrom(
const DevToolsContentsResizingStrategy& strategy) {
insets_ = strategy.insets();
min_size_ = strategy.min_size();
bounds_ = strategy.bounds();
}
bool DevToolsContentsResizingStrategy::Equals(
const DevToolsContentsResizingStrategy& strategy) {
return insets_ == strategy.insets() && min_size_ == strategy.min_size() &&
bounds_ == strategy.bounds();
}
void ApplyDevToolsContentsResizingStrategy(
const DevToolsContentsResizingStrategy& strategy,
const gfx::Size& container_size,
const gfx::Rect& old_devtools_bounds,
const gfx::Rect& old_contents_bounds,
gfx::Rect* new_devtools_bounds,
gfx::Rect* new_contents_bounds) {
new_devtools_bounds->SetRect(
0, 0, container_size.width(), container_size.height());
const gfx::Insets& insets = strategy.insets();
const gfx::Size& min_size = strategy.min_size();
const gfx::Rect& bounds = strategy.bounds();
if (!bounds.size().IsEmpty()) {
int left = std::min(bounds.x(), container_size.width());
int top = std::min(bounds.y(), container_size.height());
int width = std::min(bounds.width(), container_size.width() - left);
int height = std::min(bounds.height(), container_size.height() - top);
new_contents_bounds->SetRect(left, top, width, height);
return;
}
int width = std::max(0, container_size.width() - insets.width());
int left = insets.left();
if (width < min_size.width() && insets.width() > 0) {
int min_width = std::min(min_size.width(), container_size.width());
int insets_width = container_size.width() - min_width;
int insets_decrease = insets.width() - insets_width;
// Decrease both left and right insets proportionally.
left -= insets_decrease * insets.left() / insets.width();
width = min_width;
}
left = std::max(0, std::min(container_size.width(), left));
int height = std::max(0, container_size.height() - insets.height());
int top = insets.top();
if (height < min_size.height() && insets.height() > 0) {
int min_height = std::min(min_size.height(), container_size.height());
int insets_height = container_size.height() - min_height;
int insets_decrease = insets.height() - insets_height;
// Decrease both top and bottom insets proportionally.
top -= insets_decrease * insets.top() / insets.height();
height = min_height;
}
top = std::max(0, std::min(container_size.height(), top));
new_contents_bounds->SetRect(left, top, width, height);
}